|| List of recent Degrees Of Freedom-related patents
|Sensor-based vehicle control methods|
The novelty of this invention is that the vehicle's two degrees of freedom in motion is controlled by a single action of a driver. With this method, a driver can control a vehicle easily and intuitively.
|Ossicle prosthesis comprising a built-up attaching element|
An ossicular prosthesis formed as a sound-conducting, elongated prosthesis body has a first coupling element designed as a tympanic membrane top plate or a clip or a connecting piece to an actuator end piece of an active hearing implant and a second coupling element provided with an access opening into a receiving space designed as a bell or a clip for a mechanical connection of the prosthesis to the head of the stapes. The second coupling element has a backing section on an inner surface of the receiving space as an axial extension of the prosthesis body.
|Positioning system for manipulating a channel within a medical device|
Embodiments of the invention include a medical device for accessing a patient's body portion and used for diagnosis and treatment of medical conditions. Embodiments of the invention may include a particular endoscopic positioning mechanism for placing an endoscope and an additional treatment device within desired body portions in order to assist in diagnosis and treatment of anatomical diseases and disorders.
|Motion simulation system controller and associated methods|
A motion simulation system includes actuators having a planetary gearbox engaged with and driven by a servomotor engaged with a crank. A connector rod is engaged with the crank of each actuator, and engaged with a platform configured to attach to a vehicle.
|Arrangement for actuating an element in a microlithographic projection exposure apparatus|
The invention relates to arrangements for actuating an element in a microlithographic projection exposure apparatus. In accordance with one aspect, an arrangement for actuating an element in a microlithographic projection exposure apparatus comprises a first number (nr) of degrees of freedom, wherein an adjustable force can be transmitted to the optical element in each of the-degrees of freedom, and a second number (na) of actuators, which are coupled to the optical element in each case via a mechanical coupling for the purpose of transmitting force to the optical element, wherein the second number (na) is greater than the first number (nr).
|Device for guiding a medical instrument inserted into a natural duct or an artifical duct of a patient|
The invention relates to a device for guiding a medical instrument (2) inserted into a natural duel (101) or an artificial duct of a patient in order to bring at least a distal end (1) of the instrument in proximity to an internal organ (100), the device comprising an articulated arm (3) with a plurality of degrees of freedom, for moving a proximal end (4) of the instrument, and controlled blocking means (7) for blocking the degrees of freedom of the articulated arm. According to the invention, the blocking means are designed in such a way that, for at mast one of the degrees of freedom, a blockage imposed on said degree of freedom can be enforced when an outer stress exerted on the instrument (2) exceeds a predetermined threshold..
|Methods and apparatus for rehabilitation and training|
A method of rehabilitation using an actuator type that includes a movement mechanism capable of applying a force that interacts with a motion of a patient's limb in a volume of at least 30 cm in diameter, in at least three degrees of freedom of motion of the actuator and capable of preventing substantial motion in any point in any direction in said volume, in which a same movement mechanism is used at two different places of rehabilitation.. .
|Haptic device with controlled traction forces|
A haptic device includes a substrate that is subjected to lateral motion such as lateral oscillation with one or more degrees of freedom together with modulation of a friction reducing oscillation in a manner that can create a shear force on the user's finger or on an object on the device.. .
|Four degrees of freedom motion apparatus|
The present invention relates to a four degrees of freedom motion apparatus, and more particularly, to a four degrees of freedom motion apparatus capable of implementing three degrees of freedom (pitch, roll, heave) motions by three actuators positioned at a lower plate and a center plate, and between the lower plate and the center plate, and a spline, and additionally implementing an one degree of freedom (sway) motion by a connecting means provided between the center plate and an upper plate.. .
|Robot system and method for the removal of bolts from haulage truck wheels|
The robotic system for the removal of bolts from haulage truck wheels is comprised mainly of an anthropomorphous robotic manipulator of at least 5 degrees of freedom (1), with a system for tightening and removal (2) which allows taking bolts from a drawer rack (3) located on a mobile equipment (4). The operator indicates the beginning of the operations as well as the key positions for the activity development.
|Robots and methods of controlling the same|
A robot may include: a multi-tool module having redundancy, the multi-tool module including a guide tube and a plurality of tools configured to operate while interacting with the guide tube and extended from the guide tube; and/or a controller configured to generate a control signal regarding motion of the multi-tool module in a joint space based on motion instruction information regarding distal ends of the plurality of tools in a task space. The redundancy may reflect that a number of degrees of freedom of the multi-tool module in the joint space is greater than a number of degrees of freedom of the task space.
|Systems and methods for facilitating access to edges of cartesian-coordinate space using the null space|
Devices, systems, and methods for providing increased range of movement of the end effector of a manipulator arm having a plurality of joints with redundant degrees of freedom. Methods include defining a position-based constraint within a joint space defined by the at least one joint, determining a movement of the joints along the constraint within a null-space and driving the joints according to a calculated movement to effect the commanded movement while providing an increased end effector range of movement, particularly as one or more joints approach a respective joint limit within the joint space..
|Systems and methods for tracking a path using the null-space|
Devices, systems, and methods for providing a desired movement of one or more joints of a manipulator arm having a plurality of joints with redundant degrees of freedom while effecting commanded movement of a distal end effector of the manipulator. Methods include defining a constraint, such as a network of paths, within a joint space defined by the one or more joints and determining a movement of the plurality of joints within a null-space to track the constraints with the one or more joints.
|Software configurable manipulator degrees of freedom|
Methods, apparatus, and systems for controlling a plurality of manipulator assemblies of a robotic system. In accordance with a method, a first plurality of sensor signals are received at a plurality of joint space interface elements from a plurality of connector input elements via a first mapping between the joint space interface elements and joints of the first manipulator assembly.
|System and method for ophthalmic laser surgery employing eye tracking without eye docking|
A system and method for performing ophthalmic surgery using an ultra-short pulsed laser is provided. The system includes a laser engine configured to provide an ultra-short pulsed laser beam, optics configured to direct the laser beam to an undocked eye of a patient, an eye tracker configured to measure five degrees of freedom of movement of the undocked eye, an optical coherence tomography module configured to measure depth of the undocked eye, and a controller configured to control laser beam position on the undocked eye toward a desired laser pattern based on depth and the five degrees of freedom of movement of the undocked eye.
|Motorized mount for seating system|
The present disclosure illustrates a motorized mount with a plurality of degrees of freedom coupled to a seating system.. .
|Support module and support device having multiple degrees of freedom|
A support device having multiple degrees of freedom includes a base unit, a first support unit, a second support unit and a hinge unit. The base unit includes a base body.
A system for capturing a surfing experience includes a camera mounted on a surfboard with a camera mount providing at least three degrees of freedom to position the camera to capture a preview picture or video; and a web server coupled to the camera to render pictures or videos during a surf session. The camera may be a low profile camera designed to be flush with surface of board with same shape as surface of board.
|In situ creation of planar natural feature targets|
Disclosed are a system, apparatus, and method for in-situ creation of planar natural feature targets. In one embodiment, a planar target is initialized from a single first reference image one or more subsequent images are processed.
|Generation and sharing coordinate system between users on mobile|
A multi-device system for mobile devices to acquire and share 3d maps of an environment. The mobile devices determine features of the environment and construct a local map and coordinate system for the features identified by the mobile device.
|Workpiece support structure with four degree of freedom air bearing for high vacuum systems|
A workpiece adjustment assembly is disclosed. The assembly can include a shaft, a spherical bearing, and a wafer support.
|Workpiece support structure with four degree of freedom air bearing for high vacuum systems|
A workpiece adjustment assembly is disclosed. The assembly can include a shaft, a spherical bearing, and a wafer support.
|Web insulation system, valve for a web insulation system, and a storage container using the web insulation system|
A storage system, including an outer casing having an evacuated inner volume; a vessel for storage located within the outer casing and having a plurality of protrusions distributed on an outer surface thereof; and a plurality of filamentary strands spanning the inner volume, wherein at least some of the plurality of protrusions are essentially tangentially contacted by a plurality of the filamentary strands to secure the vessel in six degrees of freedom relative to the outer casing.. .
The present invention is directed to a safety device for use in a single rope technique arrangement. The device includes a clamping mechanism including a plurality of clamping segments interconnected by a flexible spine arrangement.
|Quick-release gimbal hinges for face protectors and systems and methods relating thereto|
Multi-axis quick-release gimbal hinges that releasably attach a face protector to a helmet. The hinges allow the face protection to be easily and quickly released from the as-worn position to a position hanging from the other side of the helmet—even if the user has only a single hand free to release the face protector, and further to be fully detached from the helmet if desired.
|Endoscopic surgical instruments|
An endoscopic surgical instrument may include: two surgical instrument modules, each of which is provided with a surgical instrument portion; and/or an endoscopic module configured to form a triangular shape with the two surgical instrument modules and configured to capture operations of the surgical instrument modules at different angles using a plurality of joints. Wires connecting respective members coupled by the plurality of joints may be configured to amplify drive forces of a drive portion applied to the plurality of joints.
|Slider control of catheters and wires|
One exemplary user interface for a medical robotics system may include a control panel and one or more sliders that may be slidably carried by the control panel to actuate one or more motors for moving a surgical instrument of the medical robotics system. The sliders may be configured to actuate the motors to move the surgical instrument along a respective one of a plurality of degrees of freedom..
|Single port access system|
Embodiments of a surgical access system useful for single or limited port procedures comprise a trocar comprising a fixation cannula, a retractor, and a gel cap removably coupled to the retractor. The gel cap comprises a gel pad that acts as an artificial body wall, through which instruments may be inserted into a body cavity, either directly or through one or more trocars.
|Communications connector with improved contacts|
A network cable jack includes a printed circuit board (pcb) for balancing both inductive and capacitive coupling. Using a pcb allows compact trace paths to be formed without significantly increasing manufacturing costs.
|Tray gripper head|
This invention relates to gripper head for unstacking a stack of trays, each tray provided with a relief of pockets with edge portions and loaded with eggs, the gripper head provided with a holder frame,—having included therein a matrix of suction heads connected with an air suction system, the suction heads, during pickup, transfer and deposition of one tray, being placed on the eggs and engaging them with suction,—having connected therewith at least two oppositely arranged grippers for engaging, simultaneously with the eggs, the tray at corresponding sides during pickup, transfer and deposition of the tray, and—having at least a mast piece which extends perpendicularly with respect to the matrix and is connected with at least an arm for displacing the gripper head between a pickup location and a delivery location, wherein the gripper head furthermore comprises a carrier unit which is connected through at least one spacer with the holder frame in a carrying manner, movably in at least three degrees of freedom. Several of such tiers can be provided..
|Anchoring system for seat back|
A seating system adapted for use in stadium, auditorium, and/or theater-type settings. The system utilizes seat back pins, support beams, and anchors for installing seat backs in series and without requiring custom components to account for variability in dimensions.
|Architected materials for enhanced energy absorption|
A three-dimensional lattice architecture with a thickness hierarchy includes a first surface and a second surface separated from each other with a distance therebetween defining a thickness of the three-dimensional lattice architecture; a plurality of angled struts extending along a plurality of directions between the first surface and the second surface; a plurality of nodes connecting the plurality of angled struts with one another forming a plurality of unit cells. At least a portion of the plurality of angled struts are internally terminated along the thickness direction of the lattice structure and providing a plurality of internal degrees of freedom towards the first or second surface of the lattice architecture..
|Reflecting parabolic splice solar smelter|
A revolution-of-a-parabolic-curve is sliced by two planes to form a reflecting-parabolic-splice-solar-smelter so as to focus the sun's noon light to a crucible for smelting rocks, glass and metals and for processing of chemicals, using zero degrees of freedom. (50 words).
|Multiple degrees of translational adjustment pedals|
A pedal system for an aircraft comprising a pedal and a pedal mounting mechanism is provided. The pedal is configured for manipulation through at least one operational degree of freedom by a pilot to provide control inputs to the aircraft.
|Selection of objects in a three-dimensional virtual scene|
A representation device for representing and interacting with a three-dimensional virtual scenario includes an input unit and at least one representation region for representing the three-dimensional scenario. A marking element may be moved on a virtual surface area with two translational degrees of freedom such that each virtual object in the three-dimensional virtual scenario may be selected with the marking element..
|Immersive, flux-guided, micro-coil apparatus and method|
A pemf web using immersive, flux-guided, micro-coils to direct intense, deeply penetrating, magnetic flux into a subject from each micro-coil capable of pointing in an arbitrary direction. Micro-coils are spooled around iron cores, insulated properly, and soldered to connecting wires, all embedded in a polymeric resin, such as cold-cured silicone resin.
|Rotary powered surgical instruments with multiple degrees of freedom|
A surgical instrument may comprise a drive system that is configured to electrically generate a plurality of discrete rotary control motions. In at least one form, the surgical instrument may include an elongate shaft assembly that is operably couplable to the drive system for receiving a first rotary control motion therefrom for rotating the elongate shaft assembly about a shaft axis.
|Apparatus for monitoring one or more surgical parameters of the eye|
An apparatus for monitoring one or more surgical parameters of the eye over multiple sessions which are temporally spaced apart and between which the eye of the patient can have moved, said apparatus comprising: a camera for taking one or more images of the eye; a module for determining during a first session said at least one surgical parameter of the eye and its coordinates based on the image taken by said camera in a first coordinate system; a module for determining during a second session temporally spaced apart from said first session said at least one surgical parameter of the eye and its coordinates based on the image taken by said camera in a second coordinate system; a module for determining the eye motion in six degrees of freedom between said first and said second session and for determining a coordinate transformation based thereon; a module for transforming based on said determined eye motion said at least one surgical parameter of the eye and its coordinates from said first coordinate system into said second coordinate system; a module for quantifying and/or visualizing the change of said at least one surgical parameter of the eye and its coordinates between said first and said second session based on said surgical eye parameter and its coordinates measured during said second session and said transformed surgical eye parameter and its coordinates measured during said first session, wherein said surgical eye parameters are one or more of the following: implant-related parameters of the eye which are based on an implant which has been surgically placed in the eye of a patient; or the location and/or contour of corneal or limbal or scleral incisions.. .
|Swivel attachment and branch line restraint|
A swivel attachment and/or branch line restraint device with angular versatility and mobility for facilitating connection of installation components to support a pipe or other load relative to a support surface is provided. Advantageously, embodiments of the device provide a plurality of rotational or swivel degrees of freedom, which are substantially independently controllable, for its mating portions, which respectively engage corresponding mating portions of other installation components.
|Method to estimate real-time rotation and translation of a target with a single x-ray imager|
A method of real-time estimation of target rotation and translation for 6 degrees of freedom using a single planar 2-dimensional imager and an algorithm, such as the iterative closest point (icp) algorithm, that includes creating pairing, using a nearest neighbor algorithm, between a set of target points of at least three fiducial markers and a set of source points of the markers using k nearest neighbors, iteratively executing estimation of a rotation parameter r and a translation parameter t of the markers using a cost function such as root mean square error, terminating the estimation of r and t if the change in a mean distance between the set of target points of the markers and the set of source points of the markers is below a threshold or at a maximum iteration number, transforming the set of target points of the markers using estimated parameters, and re-associating a new set of the target points of the markers.. .
|Apparatus for monitoring one or more parameters of the eye|
An apparatus for monitoring one or more parameters of the eye of a patient over multiple sessions which are temporally spaced apart and between which the eye of the patient can have moved, said apparatus comprising: a camera for taking one or more images of the eye; an illumination unit for illuminating the eye by a ring-shaped light pattern to generate corneal reflections, said illumination unit being preferably located such that the center of the ring is coaxial with the optical axis of the camera; a module for determining during a first session the location of the corneal reflections in the image of the eye; a module for determining during said first session based on said determined location of the corneal reflections, at least one further parameter of the eye and its coordinates in a first coordinate system based on a geometrical model representing the eye as a spherical eyeball having a spherically shaped cornea mounted thereon; a module for determining during a second session temporally spaced apart from said first session said location of said corneal reflections of the eye and based thereon said further eye parameter and its coordinates in a second coordinate system; a module for determining the eye motion in six degrees of freedom between said first and said second session and for determining a coordinate transformation based thereon; a module for transforming based on said determined eye motion said further eye parameter and its coordinates from said first coordinate system into said second coordinate system; a module for quantifying and/or visualizing the change of said further eye parameter between said first and said second session based on said further parameter and its coordinates measured during said second session and said transformed parameter and its coordinates measured during said first session.. .
An aerial vehicle includes independently controlled horizontal thrusters and vertical lifters to provide design and operational simplicity while allowing precision flying with six degrees of freedom and use of mounted devices such as tools, sensors, and instruments. Each horizontal thruster and vertical lifter can be mounted as constant-pitch, fixed-axis rotors while still allowing for precise control of yaw, pitch, roll, horizontal movement, and vertical elevation.
|Trophy mount and skull clamp|
A trophy mount and a skull clamp are disclosed. The trophy mount can comprise a skull coupling feature configured to interface with and support a skull, and a positioning device configured to provide rotation of the skull coupling feature in at least two rotational degrees of freedom to facilitate positioning of the skull.
|Enhanced system and method for presenting a view of a virtual space to a user based on a position of a display|
An enhanced system and method presents a view of a virtual space on a display based on a position of the display in one or more degrees of freedom. For such a position of the display, a corresponding field of view in the virtual space may be determined.
|Cab suspension system for a machine adapted to surface excavate rock or like materials|
A system for providing suspension to a cab of an excavation machine such as a trencher or a surface mining machine. The system includes air cushions and elastomeric dampeners positioned between a platform and the cab.
|System, method and computer program for autonomously emulating robot manipulators of continuously-varying configurations|
The invention is a modular and autonomously reconfigurable manipulator system which introduces a new dimension to the versatility of robot manipulation for diverse tasks. The hardware component is a redundant mechanism which can lock any number of its joints at any relative position to form a particular configuration with a certain number of degrees of freedom and specific values for kinematic, dynamic and control parameters, optimum for a given task to be performed.
|High degree of freedom (dof) controller|
Disclosed is a high degree of freedom control apparatus that includes a base attached to a strain gauge assembly movable in three orthogonal directions to provide signals indicative of a position of the strain gauge assembly relative to the base. An actuator assembly is supported on the base and movable by an operator's arm, hand, digit, or wrist relative to the base structure.
|Methods and devices for forming holes in bone to stimulate bone growth|
Methods and devices are provided for forming holes in bone to stimulate bone growth. In one exemplary embodiment, a surgical instrument set can include a driver having a first mating element, and a bone pick have a second mating element configured to releasably mate with the first mating element at any of a plurality of angular orientations.
|Concentrating photovoltaic solar panel|
The present invention relates to photovoltaic power systems, photovoltaic concentrator modules, and related methods. In particular, the present invention features concentrator modules having interior points of attachment for an articulating mechanism and/or an articulating mechanism that has a unique arrangement of chassis members so as to isolate bending, etc.
|Convertible rocking toys|
A convertible toy includes a body portion and a base selectively coupled to the body portion. The body portion includes a seat portion, a first pair of leg portions extending from the seat portion, and a first axle extending between the first pair of leg portions.
|Sleeve for cutting bur for dental cutting guide|
A dental cutting system for cutting a patient's tooth comprises a cutting guide with a slot to guide a cutting tool. Opposing channels are formed in opposing walls of the slot.
|Systems, devices, and methods for tracking moving targets|
A system for tracking a moving target having up to six degrees of freedom and rapidly determining positions of the target, said system includes an easy to locate precision optical target fixed to the target. This system includes at least two cameras positioned so as to view the optical camera from different directions with each of the at least two cameras being adapted to record two dimensional images of the precision optical target defining precise target point.
|Arrangement for actuating an element in a microlithographic projection exposure apparatus|
The invention relates to arrangements for actuating an element in a microlithographic projection exposure apparatus. In accordance with one aspect, an arrangement for actuating an element in a microlithographic projection exposure apparatus comprises a first number (nr) of degrees of freedom, wherein an adjustable force can be transmitted to the optical element in each of the degrees of freedom, and a second number (na) of actuators, which are coupled to the optical element in each case via a mechanical coupling for the purpose of transmitting force to the optical element, wherein the second number (na) is greater than the first number (nr).
|Method for controlling a motion of optical elements in lithography systems|
A method for controlling a vibrating optical element of a lithographic system the optical element having a predetermined number of degrees of freedom comprises: detecting a number of displacements of the optical element, each displacement corresponding to a degree of freedom, wherein the number of detected displacements is larger than the number of degrees of freedom; for each displacement according to a degree of freedom, generating a sensor signal corresponding to a movement in a degree of freedom; wherein the optical element moves as a function of a rigid body transformation matrix, the optical element movement including a first type of movement and a second type of movement; and modifying the sensor signals as a function of a modified transformation matrix, wherein the modified transformation matrix at least partially reduces at least one eigen mode or resonance of one of the first type of movements or the second type of movements.. .
|Kinetic energy harvesting using cyber-physical systems|
The present invention provides a system for engaging a fluid flow. The system comprising one or more foil members operationally connected to a feedback control loop system.
|Method and apparatus for applying a stamp for micro-contact printing to a stamping roll|
An apparatus to facilitate the application of a micro-contact printing stamp to a roll. The apparatus preferentially constrains some of the stamp's six degrees of freedom, and then drives the stamp (or the assembly of the stamp and the master against which it was formed) into controlled contact with the printing roll so as to attach the stamp onto the outer surface of the roll..
|End effector module|
An end effector module includes a palm base and robotic fingers extended from the palm base. Each robotic finger is composed of four joint shafts pivotally coupled with one another, and one of the four joint shafts, namely a start joint shaft, has a driving mechanism for driving a corresponding robotic finger to rotate, and each joint shaft has a driving mechanism to drive a next corresponding joint shaft to turn pivotally and bend with respect to other corresponding joint shafts, so that each robotic finger is module with four degrees of freedom for fine-tuning the position of a suction device installed at an end joint shaft, and the suction device can move along the normal direction of a suction point selected on the surface of a clamped object to achieve the effect of clamping and sucking an object securely without the risk of being loosened easily..
|Stable device for intervertebral distraction and fusion|
Improved methods and apparatuses for vertebral body distraction and fusion in accordance with various embodiments employ mechanisms for stabilizing a device so that the device can stay in the body and stably support the disc space during vertebral fusion following distraction of the adjacent vertebra by operation of the device. The device is inserted into the disc space and distracted from a compressed configuration to an expanded configuration to distract the disc space.
|Active gripper for haptic devices|
An active gripper for a haptic device including a parallel kinematics structure providing at least three degrees of freedom including three translational degrees of freedom, wherein the gripper comprises a first contact surface being adapted for contact by a first portion of a hand of a user, a second contact surface being adapted for contact by a second portion of the user's hand, which hand's second portion being moveable in relation to the hand's first portion, and a moveable member arranged between the first contact surface and the second contact surface and being adapted to actively move the first contact surface and the second contact surface in relation to each other.. .
|Self-adaptive mechanical finger and method|
A mechanical finger comprises at least three phalanges, with a base phalanx pivotally connected at a proximal end to a base. At least one intermediate phalanx is pivotally connected at a proximal end to a distal end of the base phalanx.
A surgical tool for minimally invasive surgery. In one embodiment, the surgical tool includes a proximal joint and a distal joint at opposite ends of a tube that constrain pivoting of adjacent parts to be about two perpendicular, intersecting axes.
|Integrated exercise workspace|
An integrated exercise workspace (100) comprises an exercise device (110), a work surface (120), and elbow supports (130a, 130b). The exercise device (110) is operable by a lower extremity of a user.
|Device for determining surface defects|
A device for determining the existence or absence of surface defects includes a base, a movable platform, a support member, an image capturing unit, a light source unit, and a processing unit. The movable platform includes a main body for supporting the product, and a driving unit for moving the main body in six degrees of freedom, thereby orienting the product placed on the main body in different orientations.
|Optical position-measuring device|
An optical position-measuring device is adapted to detect the position of an object in several spatial degrees of freedom. The object is disposed in a manner allowing it to move at least along a first direction of movement and along a second direction of movement.
|Device for determining surface defects|
A device for determining the surface defects of a product includes a base, a support member, a platform, a lighting unit, an image capturing unit, and a processing unit. The lighting unit includes a driving unit, a frame and a number of light sources.
|Eye alignment assembly|
A bow sight with at least one sight pin mounted to a frame assembly. At least one optical fiber is attached to the sight pin.
|Fiber optic connectors having a rotatable ferrule holder and methods for making the same|
Fiber optic connectors and components for fiber optic connectors with improved side-loading performance are disclosed along with methods for making the same. The fiber optic connector includes a ferrule and a ferrule holder where the ferrule holder may be disposed within a housing.
|Interference exposure device and method|
An interference exposure device, including: a light source (100) for providing an exposure light beam; a light homogenizer-collimator (200) for homogenizing and collimating the exposure light beam; an interference unit (300) including at least two gratings (303) for converting the exposure light beam into at least two coherent light beams and making the coherent light beams converge on a substrate surface to form thereon an interference exposure pattern, the gratings (303) each having a period and being distributed in correspondence with a desired exposure pattern; a driving and supporting means (406) for supporting and carrying the substrate to move with at least three degrees of freedom; and a measuring element (500) for measuring an angle between coordinate systems of the interference unit (300) and the means (406) to adjust an exposure position of the means (406) based on a measurement result of the measuring element (500) before exposing the substrate.. .
|Epitaxial film on nanoscale structure|
An embodiment of the invention includes an epitaxial layer that directly contacts, for example, a nanowire, fin, or pillar in a manner that allows the layer to relax with two or three degrees of freedom. The epitaxial layer may be included in a channel region of a transistor.
|Docking station for tablet device|
A docking station for a tablet device includes a security frame that is releasably connected to a pedestal. An upper head portion of the pedestal is rotatable through three degrees of freedom to allow for angular adjustment of the frame as it retains a tablet device.
|Exposure apparatus, exposure method, and method of manufacturing device|
An exposure apparatus includes: an optical element positioned along an optical axis of a projection optical system and configured to include a surface having a rotationally asymmetric shape; a driving unit configured to drive the optical element with at least two degrees of freedom; and a control unit configured to control the drive with two degrees of freedom to correct an aberration having twofold symmetry in a direction represented by a linear sum of the aberration of components in two directions based on information showing a relationship between a driving amount with two degrees of freedom and the components of the aberration in the two directions, and an amount to be adjusted of each of the components of the aberration in the two directions.. .