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Refract patents



      
           
This page is updated frequently with new Refract-related patent applications. Subscribe to the Refract RSS feed to automatically get the update: related Refract RSS feeds. RSS updates for this page: Refract RSS RSS


Durable glass articles for use as writable erasable marker boards

Coated article with dark color

Date/App# patent app List of recent Refract-related patents
09/11/14
20140257478
 Accommodating fluidic intraocular lens with flexible interior membrane patent thumbnailAccommodating fluidic intraocular lens with flexible interior membrane
An accommodating (re-focusable) intraocular lens (iol), a body of which includes two optical portions sequentially disposed, in optical contact with one another, along an optical axis and separated by interior surface the curvature of which is changing in response to pressure applied to posterior surface of iol. The two optical portions may be formed with fluids having different refractive indices and housed in flexible cells that share an interior wall having such interior surface.
09/11/14
20140256693
 Pyrrolo [1,2-c] imidazole derivatives for use in the prophylaxis or treatment of cancer which is refractory to known cancer therapies patent thumbnailPyrrolo [1,2-c] imidazole derivatives for use in the prophylaxis or treatment of cancer which is refractory to known cancer therapies
Wherein n is an integer of 1 to 3, and ar is an aromatic ring optionally having substituent(s), or a salt thereof or a prodrug thereof.. .
09/11/14
20140255903
 Durable glass articles for use as writable erasable marker boards patent thumbnailDurable glass articles for use as writable erasable marker boards
The invention relates to glass articles suitable for use as writable erasable marker boards. More particularly, disclosed is a strengthened glass article suitable for use as a writable erasable marker boards, wherein the glass sheet exhibits an ion exchanged glass having a front surface and a back surface and exhibiting a thickness of less than 2.0 mm and having a depth of layer (dol) greater than 20 microns and a surface compressive strength of at least 300 mpa.
09/11/14
20140255673
 Coated article with dark color patent thumbnailCoated article with dark color
An article is coated with a coating having a dark color. In a preferred embodiment, the coating comprises a nickel or polymer basecoat layer, and a first color layer comprised of oxygen-rich refractory metal oxycarbides, a second color layer comprising oxygen-rich refractory metal oxycarbides and a top layer of refractory metal oxides..
09/11/14
20140255601
 Coating compositions for inorganic casting molds and cores and use thereof and method for sizing patent thumbnailCoating compositions for inorganic casting molds and cores and use thereof and method for sizing
The invention relates to coating compositions, comprising specific clays, an aqueous carrier fluid and refractory materials in powder form, and to the use thereof for casting molds and cores, in particular those that are produced using water glass as a binder. The invention further relates to a method for producing the sizing agents and for applying same to inorganically bound casting molds and cores..
09/11/14
20140255394
 Method of treating colorectal cancer patent thumbnailMethod of treating colorectal cancer
The present invention relates to the use of certain platinum compounds including [ptcl2(cis-1,4-diaminocyclohexane)], or combinations of these compounds with a variety of other agents for treating and/or preventing the progression of colorectal cancer in mammals. In particular, the invention provides methods of treating and/or preventing oxaliplatin-refractory colorectal cancer in mammals..
09/11/14
20140254990
 Optical connector and method of forming plug using the optical connector patent thumbnailOptical connector and method of forming plug using the optical connector
An optical fiber insertion unit includes a ferrule; a lens sleeve having a lens at a front end portion thereof and a ferrule insertion opening portion at a rear end portion thereof for inserting the ferrule; and a refractive index matching portion disposed between the ferrule and the lens sleeve. The refractive index matching portion is filled with a refractive index matching material so that the refractive index adjusting agent contacts with at least the lens..
09/11/14
20140254621
 Electric induction heating and stirring of an electrically conductive material in a containment vessel patent thumbnailElectric induction heating and stirring of an electrically conductive material in a containment vessel
Apparatus and method are provided for electric induction heating and/or stirring of a molten electrically conductive composition in a containment vessel with the apparatus being removably insertable in the molten composition. An induction coil embedded in refractory or a coating is submerged in the composition and used to heat and/or stir the molten composition either externally or internally to the refractory or coating..
09/11/14
20140254168
 Remote plasma lamp pole system and method for installing the same patent thumbnailRemote plasma lamp pole system and method for installing the same
A remote plasma lamp pole system includes a lamp pole, a remote plasma lamp mounted inside a lower portion of the lamp pole, and a reflector mounted inside an upper portion of the lamp pole above the plasma lamp for reflecting light emitting therefrom towards an area to be illuminated. A lens is mounted in front of the first reflector for refracting light therefrom.
09/11/14
20140254152
 Flexible substrate lighting fixtures patent thumbnailFlexible substrate lighting fixtures
A lighting fixture can comprise a flexible substrate and an array of light emitting diodes (leds) coupled to the flexible substrate. In various embodiments, the array of leds can be disposed at one region of the flexible substrate, with another area of the flexible substrate free from leds.
09/11/14
20140254031
Imaging lens assembly
An imaging lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element and a fourth lens element. The positive first lens element has a convex object-side surface at a paraxial region.
09/11/14
20140254030
Image capturing system
An image capturing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has a convex object-side surface at a paraxial region.
09/11/14
20140254029
Photographing lens assembly
A photographing lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The positive first lens element has a convex object-side surface.
09/11/14
20140253997
Islands-in-sea type photorefractive polymer composite, and photorefractive device and optical device including the same
Provided are an islands-in-sea type photorefractive polymer composite, and a photorefractive device and an optical device including the same. The islands-in-sea type photorefractive polymer composite includes at least a photoconductive polymer matrix, a nonlinear optical chromophore, and a plasticizer, as a sea component, and includes at least a photocharge generator as an island component..
09/11/14
20140253843
Display apparatus
A display apparatus includes at least a light source, a display element, and an isotropic diffusion layer. When θ0 is an emission angle at which light from the light source has a maximum luminous flux ratio, θ1 is an average traveling angle at which light incident on the display element at the angle θ0 travels to the isotropic diffusion layer, t is a distance from an image formation surface to an interface between a light diffusing member and the isotropic diffusion layer, n0 is a refractive index of air, n1 is an average refractive index in a region between the image formation surface and the isotropic diffusion layer, p is a pixel pitch, and p′ is a distance between a position at which a portion of light emitted from an end portion of one of the pixels reaches the isotropic diffusion layer in a direction perpendicular to the isotropic diffusion layer and a position at which another portion of the light emitted from the end portion of the one of the pixels reaches the isotropic diffusion layer at the traveling angle θ1, the following expressions (1), (2), and (3) are satisfied..
09/11/14
20140253833
Phase difference layer laminated body for three dimensional liquid crystal display device and manufacturing method thereof
A phase difference layer laminated body used in a three-dimensional liquid crystal display device, wherein unit cells are divided into groups for left and right eyes, which are given different degrees of polarization, thereby creating a three-dimensional image, further wherein the phase difference layer laminated body has a base material having orientability, and a phase difference layer made of a liquid crystal material that can form a nematic phase and formed in a pattern with two different portions, and the liquid crystal material in each of two different portions is oriented to have different refractive index anisotropy each other that conforms to the two different degrees of polarization and fixed as it is.. .
09/11/14
20140253797
Mobile device and optical imaging lens thereof
Present embodiments provide for a mobile device and an optical imaging lens thereof. The optical imaging lens comprises five lens elements positioned sequentially from an object side to an image side.
09/11/14
20140253782
Optical image capturing system
An optical image capturing system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element. The first lens element with positive refractive power has a convex object-side surface.
09/11/14
20140252398
Optoelectronic semiconductor chip and method for producing an optoelectronic semiconductor chip
An optoelectronic semiconductor chip includes a semiconductor layer sequence having an active layer that generates an electromagnetic radiation and a light exit side, and a light coupling-out layer applied to the light exit side, wherein the light coupling-out layer includes of radiation-inactive nanocrystals composed of a material transmissive to the radiation generated, and a refractive index of the radiation-transmissive material for the radiation is at least 1.9.. .
09/11/14
20140252343
Thin-film transistor active device and method for manufacturing same
The present invention provides a thin-film transistor active device and a method for manufacturing the device. The thin-film transistor active device includes a substrate and a plurality of thin-film transistors formed on the substrate.
09/11/14
20140252331
Film for improving color display and method of manufacturing the same
Provided are a color display film and a method for manufacturing the same, and a display apparatus. The color display film includes a base material layer, a high-refractive resin layer on which an optical pattern is formed, and a low-refractive light diffusion layer including a light diffuser in a stacked configuration.
09/11/14
20140252330
Film for improving color display and method for manufacturing the same, and display apparatus including improved color display film
Provided are a color display film, a method for manufacturing the same, and a display apparatus including the color display film. The color display film includes a base material layer, a high-refractive light diffusion layer including a light diffuser, a high-refractive resin layer, and a low-refractive resin layer on which an optical pattern is formed.
09/11/14
20140252233
Methods, devices and kits for peri-critical reflectance spectroscopy
Spectroscopy apparatuses oriented to the critical angle of the sample are described that detecting the spectral characteristics of a sample wherein the apparatus consists of an electromagnetic radiation source adapted to excite a sample with electromagnetic radiation introduced to the sample at an angle of incidence at or near a critical angle of the sample; a transmitting crystal in communication with the electromagnetic radiation source and the sample, the transmitting crystal having a high refractive index adapted to reflect the electromagnetic radiation internally; a reflector adapted to introduce the electromagnetic radiation to the sample at or near an angle of incidence near the critical angle between the transmitting crystal and sample; and a detector for detecting the electromagnetic radiation from the sample. Also, provided herein are methods, systems, and kits incorporating the peri-critical reflectance spectroscopy apparatus..
09/11/14
20140252210
Proximity sensor
A proximity sensor for detecting non-contact detection of a target using a fibre optic strain sensor and a system for operating multiple such proximity sensors is disclosed. The proximity sensor includes an optic fibre that has an optic fibre strain sensor that is coupled to a mass that moves in response to the target.
09/11/14
20140251873
Integrated desulfurization and denitrification process including mild hydrotreating and oxidation of aromatic-rich hydrotreated products
Reduction of sulfur-containing and nitrogen-containing compounds from hydrocarbon feeds is achieved by first contacting the entire feed with a hydrotreating catalyst in a hydrotreating reaction zone operating under mild conditions to convert the labile organosulfur and organonitrogen compounds. An extraction zone downstream of the hydrotreating reaction zone separates an aromatic-rich fraction that contains a substantial amount of the remaining refractory organosulfur and organonitrogen compounds.
09/11/14
20140251872
Integrated desulfurization and denitrification process including mild hydrotreating of aromatic-lean fraction and oxidation of aromatic-rich fraction
Deep desulfurization of hydrocarbon feeds containing undesired organosulfur and organonitrogen compounds to produce a hydrocarbon product having low levels of sulfur-containing and nitrogen-containing compounds, is achieved by first subjecting the entire feed to an extraction zone to separate an aromatic-rich fraction containing a substantial amount of the refractory organosulfur and organonitrogen compounds and an aromatic-lean fraction containing a substantial amount of the labile organosulfur and organonitrogen compounds. The aromatic-lean fraction is contacted with a hydrotreating catalyst in a hydrotreating reaction zone operating under mild conditions to convert the labile organosulfur and organonitrogen compounds.
09/11/14
20140251557
Retractable cord queue barrier system
A retractable cord queue barrier system uses a spring-biased pulley refraction mechanism acting on a stretchable cord. A constant-force coiled metal spring is used, such that the retraction force on the cord does not increase as the cord is extended—as it would for a helical spring governed by hooke's law.
09/11/14
20140251424
Solar cell
A solar cell is disclosed. The solar cell includes a semiconductor substrate, a conductive region formed at the semiconductor substrate and having a conductive type identical to or different from that of the semiconductor substrate, a passivation film formed on the semiconductor substrate so as to cover the conductive region, and an electrode electrically connected to at least one of the semiconductor substrate and the conductive region.
09/11/14
20140250692
Pressure activated clipper
An improved apparatus for use with nails or claws comprising an adjustable pressure activated clipper, which effectively closes upon successful capture and engagement of a nail or claw due to pressure realized on the surface of the clipper's articulating trigger by the nail or claw. In operation, as pressure is applied to the internal surface portion of the trigger by the user, the trigger automatically articulates and releases the refracted blade to cut the nail or claw at the desired length..
09/04/14
20140249624
Intraoperative estimation of intraocular lens power
Apparatus for performing intraocular implant surgery, including surgical apparatus for performing intraocular implant surgery, an autorefraction device associated with the surgical apparatus, wherein the autorefraction device is configured to perform autorefraction on the aphakic eye to provide one or more aphakic refraction measurements, and a processor connected to the autorefraction device, wherein the processor is configured to process the aphakic refraction measurements and provide the user of the apparatus with information regarding the power of the intraocular lens.. .
09/04/14
20140249516
Hydrophilicity alteration system and method
A system/method allowing hydrophilicity alteration of a polymeric material (pm) is disclosed. The pm hydrophilicity alteration changes the pm characteristics by decreasing the pm refractive index, increasing the pm electrical conductivity, and increasing the pm weight.
09/04/14
20140249246
Molding sand comprising biodegradable polymeric binder
Molding sand containing (i) 100 parts by weight of refractory quartz or olivine matrix and (ii) 1 to 5 parts by weight of organic binder. The organic binder contains a mixture of (a) 40-50% w/w aqueous solution of sodium poly(acrylate) in the amount of 30-70% by weight and (b) 40-50% w/w aqueous solution of dextrin in the amount of 30-70% by weight..
09/04/14
20140248507
Anti-reflective coating
Anti-reflective coating in various embodiments consists of two or three layers which include one metal layer of a thickness ranging in various embodiments from 2 to 12 nanometers and one or two nonmetallic layers possessing refractive indices and thicknesses in certain ranges wherein the metal layer is placed either between the nonmetallic layer and a substrate or between the nonmetallic layers.. .
09/04/14
20140248478
Transparent resin substrate
The transparent resin substrate has a light-transmitting thermoplastic resin underlying sheet 1 and a hard coating formed on one surface of the underlying sheet, wherein the hard coating includes a resin component obtained by curing an urethane acrylate that contains a tri-functional or less functional urethane acrylate and a tetra-functional or more functional urethane acrylate; a silane coupling agent or a hydrolyzed product thereof, a silica sol having a grain size of 5 to 500 nm and a refractive index in a range of 1.44 to 1.5; and a metal chelate compound. A low refractive index layer is formed on the hard coating, the low refractive index layer includes a low refractive index hollow silica sol having a grain size of 10 to 150 nm and a refractive index of not more than 1.44, the silane coupling agent or the hydrolyzed product thereof, and a metal chelate compound..
09/04/14
20140248026
Single mode optical fiber
A low attenuation single mode optical fiber includes a core layer and claddings. The core layer has the relative refractive index difference (rrid) Δ1 ranging from −0.1% to +0.1% and the radius r1 ranging from 4.0 μm to 6.0 μm.
09/04/14
20140247844
Wavelength tunable semiconductor laser having two difractive grating areas
A semiconductor laser has a first diffractive grating area. The first diffractive grating area has a plurality of segments.
09/04/14
20140247602
Cyc attachment for a light engine
A luminaire including a light engine having a light source and a housing and a light-diffusing attachment that includes a frame secured to the housing of the light engine, a refracting lens supported by the frame, and a diffuser supported by the frame.. .
09/04/14
20140247510
Imaging lens
The present invention relates to an imaging lens, the imaging lens including, in an ordered way from an object side, a first lens having positive (+) refractive power and convexly formed at an object side surface; a second lens having positive (+) refractive power and concavely formed at an object side surface; and a third lens having negative (−) refractive power, wherein the imaging lens meets a conditional expression of 1.6<nd3<1.7, where nd3 is a refractive index of the third lens.. .
09/04/14
20140247509
Five-piece optical lens system
A five-piece optical lens system comprises, in order from the object side to the image side: a first lens element with a negative refractive power having a convex object-side surface; a second lens element with a negative refractive power having a concave image-side surface; a third lens element with a positive refractive power having a convex object-side surface; a stop; a fourth lens element with a positive refractive power having a convex image-side surface; a fifth lens element with a negative refractive power having a concave object-side surface, each of the second, third, fourth and fifth lens elements has at least one aspheric surface. Thereby, such a system has a wide field of view and can improve the yield rate when being applied to biomedicine, car recorder, camera or other electronic products..
09/04/14
20140247508
Optical image lens system
An optical image lens system includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element. The first lens element has positive refractive power.
09/04/14
20140247507
Six-piece optical lens system
A six-piece optical lens system includes, in order from the object side to the image side: a first lens element with a negative refractive power having a concave image-side surface; a second lens element with a positive refractive power having a convex image-side surface; a third lens element with a positive refractive power having a convex object-side surface; a fourth lens element with a negative refractive power having a concave image-side surface; a fifth lens element with a positive refractive power having a convex object-side surface; a sixth lens element with a negative refractive power having a concave image-side surface, each of the first, second, fourth and sixth lens elements has at least one aspheric surface, one of the third and fifth lens elements being made of glass. Thereby, such a system can be applied to a high resolution mobile phone..
09/04/14
20140247506
Medium telephoto lens and imaging device
A first lens group having positive refractive power and a second lens group are arranged in this order from an object side, and only the first lens group moves in the optical axis direction while focusing. The first lens group substantially consists of a positive 1-1 lens, a positive 1-2 lens, a positive 1-3 lens, a negative 1-4 lens, an aperture stop, a negative 1-5 lens, a positive 1-6 lens, and a positive 1-7 lens.
09/04/14
20140247505
Zoom lens
An embodiment of this invention provides a zoom lens, which comprises a plurality of lens groups in order from an object side to an image-forming side with positive, negative, positive, and positive refractive power respectively. The lens groups comprise a plurality of aspheric lenses and/or free form lenses and a plurality of plastic lenses.
09/04/14
20140247504
Zoom lens for projection and projection-type display apparats
A zoom lens for projection substantially consists of a first lens-group having negative refractive-power, and which is arranged on a most magnification-side, and which is fixed during magnification change, a second lens-group having negative refractive-power, and which is arranged on a reduction-side of the first lens-group, and which is fixed during magnification change, a last lens-group having positive refractive-power, and which is arranged on a most reduction-side, and which is fixed during magnification change, and three lens-groups arranged between the last lens-group and the second lens-group, and which move during magnification change. The zoom lens is configured to be telecentric on a reduction-side, and focusing is performed by moving only the second lens-group.
09/04/14
20140247492
Diffraction optical element, optical system, and optical apparatus
Where nfd is a refractive index of the thin film with respect to a d line, ngd is a refractive index of a material of the diffractive grating with respect to the d line, wf is a thickness of the thin film, and λd is a wavelength of the d line.. .
09/04/14
20140247489
Touch screen saver
A stack of laminated transparent lenses consists of two alternating optically clear materials in intimate contact. The materials are a plastic lens and clear adhesive.
09/04/14
20140247485
Viewing apparatus with integrated polarized lens
The current invention is directed to a pair of binoculars having an eyepiece with one or more ocular lenses and a view port, a polarized lens orientated and positioned on a mounting frame, one or more prisms and an objective lens; wherein the polarized lens is fixed between the eyepiece and the one or more prisms and is shaped to provide an optically correct image and orientated in the vertical plane to substantially filter refracted horizontal light. The invention has application with hunting or sporting scopes and periscopes and other types of viewing apparatus..
09/04/14
20140247481
Optical component for the ir range with stress-compensated coating
A method for designing an optical component for the ir range in which its desired technical characteristics are determined, and the optical component is simulated. The simulated optical component has a layer sequence of layers which are stacked one upon the other and have at least one low-index layer whose refractive index lies in a range from 1.35 to 1.7 and a high-index layer whose refractive index lies in a range from 3 to 5.
09/04/14
20140247455
Optical coherence tomography assembly
An oct assembly comprising: (a) a light transmissive rod having a first end, a second end, and a central axis; and a refractive surface adjacent to the second end; (b) a housing surrounding the oct probe component; the housing having a tubular body with the window situated over the refractive surface, said tubular body having a surface wherein said surface of said tubular body has a coefficient of friction being less than 0.3; (c) an optical fiber connected to the oct probe component; (d) an annular structure surrounding said optical fiber and capable of translating and rotating the oct probe component.. .
09/04/14
20140247450
System and method for converting optical diameters of aerosol particles to mobility and aerodynamic diameters
A system and a method of measuring a particle's size in a select aerosol using the optical diameter of the particle to perform a mobility and/or aerodynamic diameter conversion without any knowledge about the particle's shape and its optical properties in the aerosol being characterized. In one example embodiment of the invention, the method includes generating a set of calibration data and finding the optimal refractive index and shape that best fits the calibration data.
09/04/14
20140247449
Athermal channeled spectropolarimeter
A temperature insensitive (athermal) channeled spectropolarimeter (csp) is described. The athermal csp includes a crystal retarder formed of a biaxial crystal.
09/04/14
20140247415
Reflective color filter and color display device
The invention is related to thin film optical filters, and can be used in liquid crystal displays (lcd) in order to increase their brightness, and provide savings in energy consumption. According to the invention, a reflective color filter for visible light substantially transmitting a light of the chosen spectral range entering into it and substantially reflecting a visible light of other spectral ranges, includes an odd total number of alternate nonmetallic and metal layers, and the first and last layers are nonmetallic ones, and each metal layer is placed between nonmetallic layers, each nonmetallic layer possesses a refractive index not less than 2.2 and thickness not less than 40 nanometers, and each metal layer possesses the thickness in a range from 10 to 40 nanometers..
09/04/14
20140247414
Optical layered body, polarizer, method for producing polarizer, image display device, method for producing image display device, and method for improving visibility of image display device
The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate.
09/04/14
20140247413
Optical layered body, polarizer, method for producing polarizer, image display device, method for producing image display device, and method for improving visibility of image display device
The present invention provides a method for improving visibility of an image display device which is capable of providing an image display device excellent in anti-reflection properties and bright-field contrast even using an optical layered body including a light-transmitting substrate having in-plane birefringence, such as a polyester film. The method of the present invention is a method for improving visibility of an image display device that has an optical layered body including a light-transmitting substrate having in-plane birefringence and an optical functional layer disposed on one surface of the substrate.
09/04/14
20140247211
Image display apparatus
An image display apparatus capable of ensuring a wide view range is provided. The image display apparatus includes: an image display panel; a backlight located on a back surface side of the image display panel; prisms located between the image display panel and the backlight and configured to deflect incident light; a liquid crystal layer located between the image display panel and the backlight and configured to change a deflection direction of emitted light by changing a refractive index thereof according to a voltage applied thereto; a position detection section configured to detect a position of a user; and a control section configured to control the voltage applied to the liquid crystal layer, on the basis of information of the position of the user detected by the position detection section..
09/04/14
20140246635
Cylinder-driven lifting mechanism of compaction machine and compaction machine
In one aspect of the disclosure, a cylinder-driven lifting mechanism of a compaction machine includes a cylinder having a first end and a second end, a fixed pulley set, a movable pulley set, a rope having a head end, and a tail end configured to connect a compaction hammer. The first end of the cylinder is connected to a vehicle body of the compaction machine and the second end of the cylinder is connected to the movable pulley set.
09/04/14
20140246569
Photoelectric conversion element, and photoelectric conversion apparatus and image sensing system
A member for light path to a photoelectric conversion portion includes a middle portion, and a peripheral portion having a refractive index different from the refractive index of the middle portion, and within some plane in parallel with the light receiving surface of a photoelectric conversion portion, and within other plane closer to the light receiving surface than the some plane in parallel with the light receiving surface, the peripheral portion is continuous with the middle portion and surrounds the middle portion, and also the refractive index of the peripheral portion is higher than the refractive index of an insulator film, and the thickness of the peripheral portion within the other plane is smaller than the thickness of the peripheral portion within the some plane.. .


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