Forming Or Treating Optical Article Patents (Class 216/24)
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Patent number: 8636911Abstract: Two methods of fabricating a MEMS scanning mirror having a tunable resonance frequency are described. The resonance frequency of the mirror is set to a particular value by mass removal from the backside of the mirror during fabrication.Type: GrantFiled: October 7, 2010Date of Patent: January 28, 2014Assignees: MagIC Technologies, Inc., Advanced Numicro Systems, Inc.Inventors: Jun Chen, Guomin Mao, Tom Zhong, Wei Cao, Yee-Chung Fu, Chyu-Jiuh Torng
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Publication number: 20140023320Abstract: Provided are a lightwave circuit and a method of manufacturing the same. The lightwave circuit includes a first substrate having an engraved core formation groove which is formed on an upper portion of the first substrate, a core layer which is formed inside the engraved core formation groove, a BPSG bonding layer which is formed on the first substrate including the core layer, and a second substrate which is formed on the BPSG bonding layer. Accordingly, light loss and branching uniformity of the lightwave circuit are effectively improved, and the lightwave circuit is manufactured simply and inexpensively while also further improving light loss and branching uniformity of the lightwave circuit.Type: ApplicationFiled: November 21, 2011Publication date: January 23, 2014Inventors: Seo Young Lee, Hyung Jong Lee
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Publication number: 20140023317Abstract: A light diffuser panel for coupling to an optical element, includes a substrate with a first surface that is diffusive to a plurality of wavelengths of light and a second surface, wherein the substrate comprises a material with a refractive index nin that is greater than a refractive index nd of a medium outside of the first surface, ?min is a minimum wavelength of the plurality of wavelengths of light, ?max is a maximum wavelength of the plurality of wavelengths of light, the first surface is a diffractive grating surface with a grating period P, the grating period P is greater than ?max/(nd+nin), and P is smaller than ?min.Type: ApplicationFiled: July 20, 2012Publication date: January 23, 2014Applicant: PANASONIC CORPORATIONInventor: Yosuke MIZUYAMA
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Publication number: 20140017145Abstract: A three-dimensional porous photonic structure, whose internal pore surfaces can be provided with desired surface properties in a spatially selective manner with arbitrary patterns, and methods for making the same are described. When exposed to a fluid (e.g., via immersion or wicking), the fluid can selectively penetrate the regions of the structure with compatible surface properties. Broad applications, for example in security, encryption and document authentication, as well as in areas such as simple microfluidics and diagnostics, are anticipated.Type: ApplicationFiled: November 21, 2011Publication date: January 16, 2014Applicant: PRESIDENT AND FELLOWS OF HARVARD COLLEGEInventors: Joanna Aizenberg, Ian B. Burgess, Lidiya Mishchenko, Benjamin Hatton, Marko Loncar
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Publication number: 20140016171Abstract: Disclosed herein is a dielectric microstructure with a substantially unit dielectric constant K for use in microelectromechanical systems.Type: ApplicationFiled: September 10, 2013Publication date: January 16, 2014Applicant: TEXAS INSTRUMENTS INCORPORATEDInventor: Larry J. Hornbeck
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Publication number: 20140016197Abstract: A wire grid polarizer can have a repeated pattern of groups of parallel elongated wires disposed over a substrate. Each group of wires can comprise at least three wires. At least one wire at an interior of each group can be taller than outermost wires of each group. The wires can be a byproduct of an etch reaction.Type: ApplicationFiled: September 24, 2013Publication date: January 16, 2014Applicant: Moxtek, Inc.Inventor: Mark Davis
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Patent number: 8628673Abstract: Disclosed are: a resin composition for pattern formation, which enables the stable formation of a pattern at a level of the wavelength of light; a method for forming a pattern having a sea-island structure using the composition; and a process for producing a light-emitting element that can achieve high luminous efficiency properties.Type: GrantFiled: May 12, 2010Date of Patent: January 14, 2014Assignees: Kabushiki Kaisha Toshiba, Asahi Kasei E-Materials CorporationInventors: Koji Asakawa, Ryota Kitagawa, Akira Fujimoto, Yoshiaki Shirae, Tomohiro Yorisue, Akihiko Ikeda
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Publication number: 20140008538Abstract: The invention concerns a radiation entry window (10) for a radiation detector (2), in particular for a semiconductor drift detector (2), with a flat window element (11), which is at least partially permeable for the radiation to be detected by the radiation detector (2), as well as with a window frame (12), which laterally frames the window element (11), wherein the window frame (12) consists of a semiconductor material and is considerably thicker than the window element (11).Type: ApplicationFiled: August 26, 2011Publication date: January 9, 2014Applicants: MAX-PLANCK-GESELLSCHAFT ZUR FOERDERUNG DER WISSENSCHAFTEN, E.V., PNSENSOR GMBHInventors: Heike Soltau, Bianca Schweinfest, Gerhard Lutz, Ladislav Andricek, Lothar Strueder
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Publication number: 20140010992Abstract: A chemical process for obtaining anti-reflective glass, comprising immersion in an acid solution, for the simultaneous and continuous production of one or more parts and/or sheets of glass having standard, special or variable dimensions, thicknesses, colours, uses and applications.Type: ApplicationFiled: April 10, 2013Publication date: January 9, 2014Inventor: Juan Luis Rendon Granados
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Publication number: 20140009823Abstract: Provided are a method of manufacturing a polarized light splitting element, a polarized light splitting element, a light radiating device, a method of radiating light, and a method of manufacturing an orientationally-ordered photoalignment layer. The method of manufacturing a polarized light splitting element has a simple manufacturing process and a low production cost, and may be used to easily manufacture a large-scale UV ray polarized light splitting element. In addition, the polarized light splitting element may have excellent durability to UV rays and heat, and a low pitch dependency on a polarization characteristic, thereby facilitating performance of the manufacturing process, and excellent polarity in a short wavelength region.Type: ApplicationFiled: August 20, 2013Publication date: January 9, 2014Applicant: LG CHEM, LTD.Inventors: Jeong Ho PARK, Tae Su KIM, Jae Jin KIM, Jong Byung LEE, Jin Mi JUNG, Bu Gon SHIN
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Publication number: 20140010506Abstract: An optical fuse device adapted to be placed in between ends of lead-in fibers of an optical fiber line. The optical fuse device has a destructible region having a core, the destructible region including a light absorbing material adapted to heat and destroy the core upon application of a light intensity greater than a predetermined threshold. Optical fiber lines including the optical fuse device and methods of manufacturing the optical fuse device are provided. Numerous other aspects are provided.Type: ApplicationFiled: September 9, 2013Publication date: January 9, 2014Applicant: University of MariborInventors: Denis Donlagic, Simon Pevec
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Publication number: 20140003777Abstract: Methods of fabricating light focusing elements for use in a fiber optic communications system are disclosed in which a plurality of light focusing elements are formed on or in a top surface of a substrate. The substrate is then diced to singulate the light focusing elements.Type: ApplicationFiled: August 29, 2012Publication date: January 2, 2014Applicant: CommScope, Inc. of North CarolinaInventor: Abhijit Sengupta
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Publication number: 20130341512Abstract: A porous scintillator crystal capable of suppressing scattering of light that represents a high spatial resolution is provided. The porous scintillator crystal comprises a porous structure including voids, wherein the porous structure is a phase-separated structure having voids formed therein and comprises materials constituting a eutectic composition of the phase-separated structure and at least one void in the porous structure extend in a direction perpendicular to a principal plane of the porous scintillator crystal.Type: ApplicationFiled: March 22, 2012Publication date: December 26, 2013Applicant: CANON KABUSHIKI KAISHAInventors: Yoshihiro Ohashi, Nobuhiro Yasui, Toru Den
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Publication number: 20130334169Abstract: A color filter substrate including a substrate, a black matrix layer and a color filter substrate layer is provided. The substrate has a plurality of grooves. The black matrix layer is disposed on the substrate between each two adjacent grooves, wherein the black matrix layer extends to the region above the groove from the edge of the groove and an undercut profile forms between the bottom of black matrix and the substrate. The color filter layer including a plurality of filter films separated is filled in the plurality of grooves and the plurality of filter films is separated from each other by the black matrix layer. In addition, a method of fabricating a color filter substrate is also provided. The above-mentioned color filter substrate and the fabricating method thereof can improve the quality and color uniformity of the color filter substrate.Type: ApplicationFiled: August 21, 2013Publication date: December 19, 2013Applicant: Au Optronics CorporationInventors: Chun-Chieh Tsao, Su-Chin Lee
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Patent number: 8608971Abstract: A method of manufacturing a display substrate includes forming a first metallic pattern including gate and storage conductors and a gate electrode of a switching device on a base substrate, forming a gate insulation layer, forming a second metallic pattern and a channel portion including a source line, source and drain electrodes of the switching device, forming a passivation layer and a photoresist film on the second metallic pattern, patterning the photoresist film to form a first pattern portion corresponding to the gate and source conductors and the switching device, and a second pattern portion formed on the storage line, etching the passivation layer and the gate insulation layer, and forming a pixel electrode using the first pattern portion.Type: GrantFiled: August 24, 2010Date of Patent: December 17, 2013Assignee: Samsung Display Co., Ltd.Inventors: Hong-Kee Chin, Sang-Gab Kim, Min-Seok Oh
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Publication number: 20130329281Abstract: Light-reflective structures comprising a binding material configured as an inverse opal having reflections of at least two wavelengths and methods of producing the light-reflective structures are described herein. The wavelengths reflected by the light-reflective structures may be tuned by external stimuli. In an example, silk-fibroin inverse opals have two reflection wavelengths that may be shifted based on changes in humidity.Type: ApplicationFiled: June 8, 2012Publication date: December 12, 2013Inventors: Xiangyang LIU, Yingying DIAO
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Publication number: 20130322816Abstract: In order to provide a spot size converter and a method for making the same which enable the optical connection with low loss and are able to reduce the excess loss for the position misalignment in mounting, a spot size converter according to an exemplary aspect of the present invention includes: a substrate on which an optical waveguide including a first core is laminated and which includes a notch; a core reducing part which is formed so that a cross-section area of the first core may gradually decrease toward an end part of the first core in the direction of light propagation; a second core which surrounds the core reducing part and is made of a material whose refractive index is smaller than that of the first core; a peripheral clad which surrounds the second core and is made of a material whose refractive index is smaller than that of the second core; and a lower clad which is formed in a lower part of the second core and includes the peripheral clad; wherein the lower clad is formed in the notch.Type: ApplicationFiled: February 1, 2012Publication date: December 5, 2013Applicant: NEC CORPORATIONInventors: Shigeki Takahashi, Shigeru Nakamura, Masashige Ishizaka, Nobuhide Fujioka
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Publication number: 20130322823Abstract: An optical waveguide directional coupler includes a base having a planar member and a ridge member and an optical waveguide in the base. The ridge member extends from the planar member and has an upper surface where the optical waveguide exposed. The optical waveguide includes a first flat side surface, a second flat side surface parallel to the first flat side surface, a third flat side surface, a fourth flat side surface parallel to the third flat side surface, and a first flat connection side surface. An included angle ?1 between the first and third flat side surfaces is an obtuse angle, an included acute angle ?1 is formed between the first flat connection side surface and the second flat side surface, and ?1 and ?1 satisfy ?1<(180°??1).Type: ApplicationFiled: November 28, 2012Publication date: December 5, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventor: HSIN-SHUN HUANG
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Publication number: 20130321902Abstract: Provided are a meta-material and a method of fabricating the same. the metal-material may include a substrate, a metal layer on the substrate, and an active gain medium layer on the metal layer. The active gain medium layer and the metal layer may be configured to define hole patterns that may be periodically arranged to have a space smaller than a wavelength of an ultraviolet light, such that the active gain medium layer and the metal layer exhibit a negative refractive index in a wavelength region of the ultraviolet light.Type: ApplicationFiled: March 14, 2013Publication date: December 5, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventor: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
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Publication number: 20130313417Abstract: A light emission detection device having a flow path from which light to be detected is emitted is provided. The device includes a detection-side substrate having a joining surface and a detection surface provided opposite the joining surface, the joining surface having a depression and a light-shielding film provided over an area excluding the depression, the depression forming the flow path, the detection surface transmitting the light emitted from the flow path; and a wiring-side substrate having a joining surface and a conductive pattern provided with a varying thickness on the joining surface, the joining surface of the wiring-side substrate joining the joining surface of the detection-side substrate. In the area over which the light-shielding film is provided, adhesive is provided with a thickness corresponding to the varying thickness of the conductive pattern and the detection-side substrate and the wiring-side substrate are closely joined to each other with the adhesive.Type: ApplicationFiled: January 25, 2012Publication date: November 28, 2013Applicant: CANON KABUSHIKI KAISHAInventor: Makoto Ogusu
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Publication number: 20130314707Abstract: An arrangement for providing passive alignment of optical components on a common substrate uses a set of reference cavities, where each optical device is positioned within a separate reference cavity. The reference cavities are formed to have a predetermined depth, with perimeters slightly larger than the footprint of their associated optical components. The reference cavity includes at least one right-angle corner that is used as a registration corner against which a right-angle corner of an associated optical component is positioned. The placement of each optical component in its own reference cavity allows for passive optical alignment to be achieved by placing each component against its predefined registration corner.Type: ApplicationFiled: November 12, 2012Publication date: November 28, 2013Inventors: Kalpendu Shastri, Ravinder Kachru, Kishor Desai
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Publication number: 20130308906Abstract: An optical system and method for coupling optical devices and an optical fiber array are provided. The optical system includes a substrate comprising a first side and a second side facing generally opposite to the first side. The optical system further includes at least one optical waveguide extending along at least a portion of the first side, at least one hole extending from the second side towards the first side, and at least one reflective element at the first side. The at least one reflective element is in optical communication with the at least one optical waveguide and with the at least one hole. The at least one reflective element is configured to deflect light between the at least one optical waveguide and the at least one hole.Type: ApplicationFiled: May 21, 2012Publication date: November 21, 2013Applicant: LaXense, Inc.Inventors: Dawei Zheng, Ningning Feng, Xiaochen Sun
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Publication number: 20130305513Abstract: An optical probe for emitting and/or receiving light within a body comprises an optical fiber that transmits and/or receives an optical signal, a silicon optical bench including a fiber groove running longitudinally that holds an optical fiber termination of the optical fiber and a reflecting surface that optically couples an endface of the optical fiber termination to a lateral side of the optical bench. The fiber groove is fabricated using silicon anisotropic etching techniques. Some examples use a housing around the optical bench that is fabricated using LIGA or other electroforming technology. A method for forming lens structure is also described that comprises forming a refractive lens in a first layer of a composite wafer material, such as SOI (silicon on insulator) wafers and forming an optical port through a backside of the composite wafer material along an optical axis of the refractive lens. The refractive lens is preferably formed using grey-scale lithography and dry etching the first layer.Type: ApplicationFiled: July 19, 2013Publication date: November 21, 2013Applicant: Axsun Technologies, Inc.Inventors: Dale C. Flanders, James W. Getz, Walid A. Atia, Peter S. Whitney, Mark E. Kuznetsov
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Publication number: 20130299792Abstract: A porous glass substrate for displays and a method of manufacturing the same, with which the optical characteristics of a display such as an organic light-emitting device (OLED) can be improved. The porous glass substrate includes a glass substrate and a porous layer formed in at least one portion of one surface of the glass substrate and extending into the glass substrate, the refractive index of the porous layer being smaller than the refractive index of the glass substrate. The porous layer has a plurality of pores which is formed in the glass substrate such that at least one component of the glass substrate except for silicon dioxide (SiO2) is eluted from the glass substrate.Type: ApplicationFiled: May 7, 2013Publication date: November 14, 2013Applicant: SAMSUNG CORNING PRECISION MATERIALS CO., LTD.Inventor: Samsung Corning Precision Materials Co., Ltd.
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Publication number: 20130299452Abstract: A glass etching medium and a method for etching the surface of a glass sheet to modify surface flaw characteristics without degrading the optical quality of the sheet surface, wherein the etching medium is a thickened aqueous acidic fluoride-containing paste comprising at least one dissolved, water-soluble, high-molecular-weight poly (ethylene oxide) polymer thickener.Type: ApplicationFiled: May 8, 2013Publication date: November 14, 2013Applicant: Corning IncorporatedInventors: Timothy Edward Myers, Shyamala Shanmugam, Alan Thomas Stephens, II, Matthew John Towner, Kevin William Uhlig, Lu Zhang
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Publication number: 20130299449Abstract: A method for manufacturing electrical and/or optical components, wherein a hot melt composition including an alkane based wax and an amorphous material as a masking material is used. The hot melt composition has a melting point of between 40° C. and 85° C. and a viscosity of between 5 and 20 mPa·s at not less than one temperature within the range of between 50° C. and 140° C. A hot melt composition includes between 40 weight % and 89.9 weight % of an alkane based wax; between 10 weight % and 50 weight % of an amorphous material; and between 0.1 weight % and 10 weight % of a phosphonium based ionic liquid. A system and a method for manufacturing electronic and/or optical components is provided, wherein after the etch processes and/or plating processes, the hot melt composition is removed from the substrate with the aid of hot water.Type: ApplicationFiled: April 26, 2013Publication date: November 14, 2013Applicant: OCE TECHNOLOGIES B.V.Inventors: Björn H.A.J.M. KETELAARS, Hylke VEENSTRA
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Publication number: 20130301137Abstract: A broadband optical beam splitter can comprise a non-metallic high contrast grating including a substrate and an array of posts attached to a surface of the substrate. The grating can have a subwavelength period with respect to a preselected optical energy wavelength, the preselected optical energy wavelength within the range of 400 nm to 1.6 ?m. Additionally, the broadband optical beam splitter can have a bandwidth of 80 nm to 120 nm and can have an optical energy loss of less than 5%.Type: ApplicationFiled: January 31, 2011Publication date: November 14, 2013Inventors: David A. Fattal, Michael Renne Ty Tan, Zhen Peng, Marco Fiorentino
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Patent number: 8574469Abstract: A processing method for a mold (1) to form a pattern of recessed portions (13) on a product forming surface (11) formed on the mold (1) includes a photoresist forming step in which a thermally deformable heat-mode photoresist layer (12) is formed on the product forming surface (11), a laser beam illumination step in which a laser beam is applied to the photoresist layer (12) by an exposure device incorporating a semiconductor laser to form a pattern of recessed portions (13), and an asperity forming step in which asperities are formed on the product forming surface (11) by making use of the pattern of recessed portions (13).Type: GrantFiled: March 4, 2009Date of Patent: November 5, 2013Assignee: FUJIFILM CorporationInventor: Yoshihisa Usami
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Publication number: 20130286389Abstract: Provided herein are Raman active particles and methods for their preparation and use. The particles can include a SERS-active material that is at least partially encased within a spherical porous hollow casing.Type: ApplicationFiled: September 22, 2011Publication date: October 31, 2013Applicant: EAST CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Yitao Long, Dawei Li, Lulu Qu, Wenlei Zhai, Jinqun Xue, Wei Song
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Publication number: 20130287340Abstract: An optical waveguide directional coupler includes a base and a Y-shaped optical waveguide formed in the base. The base includes a planar member and a ridge member extending from a side of the planar member. The planar member includes a top surface. The ridge member includes a recessed planar portion and a raised portion raised relative to the recessed planar portion and perpendicularly extending from the planar member. The raised portion has an upper surface coplanar with the top surface. The Y-shaped optical waveguide is exposed to the upper surface and the top surface. One end of the Y-shaped optical waveguide is exposed to an end of the ridge member, and the other two ends are exposed to an end of the planar member.Type: ApplicationFiled: October 25, 2012Publication date: October 31, 2013Inventor: HSIN-SHUN HUANG
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Patent number: 8570669Abstract: A multi-layered lens having a substrate with opposing first and second surfaces. The substrate is formed of a plurality of discrete polymer layers. A cavity is formed into the first surface and is defined by a non-planar cavity surface that acts as a lens surface. The cavity extends into and exposes each of the plurality of polymer layers. The compositions of the polymer layers can vary to provide optimized focal properties. Alignment marks in the form of cavities or protrusions can be formed at the first surface or the second surface, so that multiple lenses can be stacked together in an aligned manner to form a stacked lens assembly.Type: GrantFiled: January 23, 2012Date of Patent: October 29, 2013Assignee: Optiz, IncInventor: Vage Oganesian
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Patent number: 8568599Abstract: A touch panel fabricating method is disclosed. A first conductive layer, a second conductive layer and a first photo-resist layer are sequentially formed on a substrate. Next, the first photo-resist layer is patterned by using a gray-level mask. Then, the first conductive layer and the second conductive layer are etched according to the patterned first photo-resist layer to define a plurality of first sensing electrodes. Then, an insulation layer is formed on the substrate and the first sensing electrodes. The insulation layer is patterned by using a gray-level mask. Then, a third conductive layer is formed on the patterned insulation layer. A second photo-resist layer is formed on the third conductive layer. The second photo-resist layer is patterned to expose partial third conductive layer. Then, the exposed third conductive layer is etched to define a plurality of second sensing electrodes.Type: GrantFiled: October 19, 2012Date of Patent: October 29, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chia-Wei Yu, Chi-Ming Chiou, Ya-Ju Lu
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Patent number: 8568598Abstract: A manufacturing method of a tip type probe includes the steps of: forming on a substrate an etching mask of a shape similar to a shape of a top surface of a truncated pyramid; forming the truncated pyramid by subjecting the substrate to isotropic etching using the etching mask as a mask member; stopping the isotropic etching when an area of the top surface reaches an area capable of generating near-field light; and forming a metal film on at least some of the side surfaces of the truncated pyramid by allowing film forming particles to enter into a space between the etching mask and the side surfaces and adhere onto the truncated pyramid. The directivity of the film forming particles is controlled so that the metal film has a thickness that is reduced gradually from a bottom of the truncated pyramid toward the top surface.Type: GrantFiled: February 18, 2009Date of Patent: October 29, 2013Assignee: Seiko Instruments Inc.Inventors: Majung Park, Manabu Oumi
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Patent number: 8568603Abstract: A method of manufacturing a transparent conductive film has the steps of: preparing a laminated body in which a transparent conductive layer that is not patterned is formed on a flexible transparent base, removing a part of the transparent conductive layer to form the pattern forming part having the transparent conductive layer on the flexible transparent base and the pattern opening part not having the transparent conductive layer on the flexible transparent base, and heating the laminated body in which the transparent conductive layer is patterned. The absolute value of the difference H1-H2 of the dimensional change rate H1 of the pattern forming part and the dimensional change rate H2 of the pattern opening part in the heat treatment step is preferably less than 0.03%.Type: GrantFiled: August 24, 2012Date of Patent: October 29, 2013Assignee: Nitto Denko CorporationInventors: Mari Tanabe, Hidehiko Andou, Hideo Sugawara
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Publication number: 20130279004Abstract: Highly-compliant polymer-based resonant diffraction gratings, and methods of use thereof, are provided. In one illustrative embodiment, an amount of pressure applied to a grating surface may be determined by straining a grating, adapted to move into a plurality of pitches, to an applied pitch in the plurality of pitches in response to an application of strain onto a surface adjacent the grating. Electromagnetic radiation comprising a plurality of wavelengths may be applied to the grating, and a resonance wavelength, in the plurality of wavelengths, may be identified while the strain is applied to the grating. The amount of strain applied to the grating surface may then be determined based on the resonant wavelength.Type: ApplicationFiled: October 19, 2012Publication date: October 24, 2013Applicant: Board of Regents, The University of Texas SystemInventors: Steven John Foland, Jeong Bong Lee
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Publication number: 20130279651Abstract: According to a method for manufacturing a metal grating structure of the present invention, in filling a concave portion formed in a silicon substrate (30), for instance, a slit groove (SD) with metal by an electroforming method, an insulating layer (34) is formed in advance on an inner surface of the slit groove (SD) as an example of the concave portion by a thermal oxidation method. Accordingly, the metal grating structure manufacturing method is advantageous in finely forming metal parts of the grating structure. A metal grating structure of the present invention is manufactured by the above manufacturing method, and an X-ray imaging device of the present invention is incorporated with the metal grating structure.Type: ApplicationFiled: November 16, 2011Publication date: October 24, 2013Inventor: Mitsuru Yokoyama
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Publication number: 20130277331Abstract: A photonic integrated circuit (PIC) having a waveguide-grating coupler with two evanescently coupled waveguides. The first waveguide is fabricated using materials suitable for manufacturing active optical elements in the PIC. The second waveguide is fabricated using materials capable of providing a relatively high index-of-refraction contrast for the constituent waveguide grating. The waveguide-grating coupler is compatible with the III-V semiconductor technology while being relatively easy to fabricate on an industrial scale.Type: ApplicationFiled: June 17, 2013Publication date: October 24, 2013Inventors: Nicolas Dupuis, Christopher R. Doerr
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Publication number: 20130270223Abstract: A photoresist composition includes about 65% by weight to about 80% by weight of a mono-functional monomer, about 5% by weight to about 20% by weight of a di-functional monomer, about 1% by weight to about 10% by weight of a multi-functional monomer including three or more functional groups, about 1% by weight to about 5% by weight of a photoinitiator, and less than about 1% by weight of a surfactant, each based on a total weight of the photoresist composition.Type: ApplicationFiled: December 11, 2012Publication date: October 17, 2013Applicant: SAMSUNG DISPLAY CO., LTD.Inventors: Ki-Beom LEE, Dae-Hwan JANG, Atsushi TAKAKUWA
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Publication number: 20130271843Abstract: A process for producing a reflection-reducing interference layer system is provided, in which a stack of layers is formed by applying to a surface of a substrate several layers which have alternately a high refractive index and a low refractive index, and a nanoporous final layer is applied to the stack of layers by vapour deposition of the material of the final layer at an oblique angle relative to the normal of the top layer of the stack of layers such that the refractive index of the final layer is lower than the refractive index of the top layer of the stack of layers.Type: ApplicationFiled: April 10, 2013Publication date: October 17, 2013Inventors: Stephane Bruynooghe, Thomas Koch, Alexandre Gatto, Michael Helgert
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Publication number: 20130272337Abstract: A vertical cavity surface emitting laser (VCSEL) system and method of fabrication are included. The VCSEL system includes a first portion comprising a first mirror and a gain region to amplify an optical signal in response to a data signal, the first portion being fabricated on a first wafer. The system also includes a second portion comprising a second mirror that is partially-reflective to couple the optical signal to an optical fiber. The second portion can be fabricated on a second wafer. The system further includes a supporting structure to couple the first and second portions such that the first and second mirrors are arranged as a laser cavity having a predetermined length to resonate the optical signal.Type: ApplicationFiled: December 20, 2010Publication date: October 17, 2013Inventors: Michael Renne Ty Tan, David A. Fattal, Jingjing Li, Raymond G. Beausoleil
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Patent number: 8557129Abstract: Methods of manufacturing optical devices are disclosed. The method includes providing a structure-forming fiber bonded to at least one other optical component, the structure-forming fiber having a preferentially-etchable portion including at least one radial etching boundary and at least one axial etching boundary, and etching the preferentially-etchable portion to the radial and axial etching boundaries to produce a precise optical structure. The preferentially-etchable portion may be removed through one or more radial openings in the structure-forming fiber. Numerous other aspects are provided.Type: GrantFiled: March 11, 2011Date of Patent: October 15, 2013Assignee: University of MariborInventors: Denis Donlagic, Simon Pevec
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Publication number: 20130264391Abstract: A reflective surface has a digital code comprising specular reflective and diffuse reflective areas. The digital code can be a one or two dimensional code such as a bar code or a QR code. The digital code is created by beginning with a polished surface texture having a highly specular reflective quality and modifying the surface texture to create areas of more diffuse reflectivity. The areas of specular and diffuse reflectivity can be read as a digital code by code reading equipment while having a substantially uniform color thereby enhancing the application of digital codes to ornamental objects such as metallic jewelry.Type: ApplicationFiled: April 4, 2013Publication date: October 10, 2013Inventor: Miriam MERENFELD
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Publication number: 20130266263Abstract: Provided are a spot size converter and a method of manufacturing the spot size converter. The method includes stacking a lower clad layer, a core layer, and a first upper clad layer on a substrate, tapering the first upper clad layer and the core layer in a first direction on a side of the substrate, forming a waveguide layer on the first upper clad layer and the lower clad layer, and etching the waveguide layer, the first upper clad layer, the core layer, and the lower clad layer such that the waveguide layer is wider than a tapered portion of the core layer on the side of the substrate and has the same width as that of the core layer on another side of the substrate.Type: ApplicationFiled: September 14, 2012Publication date: October 10, 2013Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Oh Kee KWON, Chul-Wook LEE, Dong-Hun LEE, Young Ahn LEEM, Young-Tak HAN, Yongsoon BAEK, Yun C. CHUNG
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Publication number: 20130256259Abstract: A method of forming of MEMS nanostructures includes a portion of a substrate is recessed to form a plurality of mesas in the substrate. Each of the plurality of mesas has a top surface and a sidewall surface. A light reflecting layer is deposited over the substrate thereby covering the top surface and the sidewall surface of each mesa. A protection layer is formed over the light reflecting layer. An ARC layer is formed over the protection layer. An opening in a photo resist layer is formed over the ARC layer over each mesa. A portion of the ARC layer, the protection layer and the light reflecting layer are removed through the opening to expose the top surface of each mesa. The photo resist layer and the ARC layer over the top surface of each mesa are removed.Type: ApplicationFiled: May 7, 2012Publication date: October 3, 2013Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yi-Hsien CHANG, Chun-Ren CHENG, Yi-Shao LIU, Allen Timothy CHANG, Ching-Ray CHEN, Yeh-Tseng LI, Wen-Hsiang LIN
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Publication number: 20130258478Abstract: A method of fabrication of a micro-optics device included providing a layer of material; patterning the layer of material by one or more of: locally unzipping and desorbing molecules thereof, with a nano-scale dimensioned probe, to obtain a curved surface for the layer of material, the curved surface having a curved profile in a plane section; and completing a layer structure perpendicular to the plane section by providing one or more additional layers of material in contact with the curved surface to obtain the micro-optics device, wherein the micro-optics device has the layer structure, with a given layer thereof comprising a defect delimited by two surfaces, wherein one of the two surfaces is the curved surface.Type: ApplicationFiled: March 11, 2013Publication date: October 3, 2013Applicant: International Business Machines CorporationInventors: Fei Ding, Urs T. Duerig, Armin W. Knoll, Rainer F. Mahrt, Thilo H. Stoeferle
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Publication number: 20130260493Abstract: A method for making a LED comprises following steps. A substrate having a surface is provided. A first semiconductor layer, an active layer and a second semiconductor pre-layer is formed on the surface of the substrate. A first electrode and a second electrode are formed to electrically connect with the first semiconductor layer and the second semiconductor pre-layer respectively. A patterned mask layer is applied on a surface of the second semiconductor pre-layer. A number of three-dimensional nano-structures are formed on the second semiconductor pre-layer and the patterned mask layer is removed. A method for making an optical element is also provided.Type: ApplicationFiled: December 27, 2012Publication date: October 3, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., TSINGHUA UNIVERSITYInventors: YUAN-HAO JIN, QUN-QING LI, SHOU-SHAN FAN
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Publication number: 20130248756Abstract: An aqueous polishing composition comprising (A) abrasive ceria particles and (B) amphiphilic nonionic surfactants selected water-soluble and water-dispersible, linear and branched polyoxyalkylene blockcopolymers of the general formula I: R[(B1)m/(B2)nY]p (I), wherein the indices and the variables have the following meaning: m, n, and p integers>1; R hydrogen atom or monovalent or polyvalent organic residue, except C5-C20 alkyl groups; (B1) block of oxyethylene monomer units; (B2) block of substituted oxyalkylene monomer units wherein the substituents are selected from two methyl groups, alkyl groups of more than two carbon atoms and cycloalkyl, aryl, alkyl-cycloalkyl, alkyl-aryl, cycloalkyl-aryl and alkyl-cycloalkyl-aryl groups; and Y hydrogen atom or monovalent organic residue, except C5-C20 alkyl groups; with the proviso that when (B) contains more than one block (B1) or (B2) two blocks of the same type are separated by a block of the other type.Type: ApplicationFiled: December 7, 2011Publication date: September 26, 2013Applicant: BASF SEInventors: Shyam Sundar Venkataraman, Eason Yu-Shen Su, Arend Jouke Kingma, Bastian Marten Noller
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Publication number: 20130250412Abstract: A polarization element includes a plurality of metallic thin lines that extend in one direction on one surface of a substrate, a protecting layer that is provided on the plurality of metallic thin lines, and a cavity portion that is surrounded by two metallic thin lines which are adjacent to each other, the substrate, and the protecting layer. Each end portion of the plurality of metallic thin layers has a forward tapered shape in a cross-section parallel to the one direction, and the protecting layer extends from the upper portion of the plurality of metallic thin lines to the one surface of the substrate through each end portion.Type: ApplicationFiled: March 15, 2013Publication date: September 26, 2013Applicant: SEIKO EPSON CORPORATIONInventor: Masaaki AOTA
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Publication number: 20130247973Abstract: A vertical dipole array structure includes a substrate that supports a film, which is not comprised of a negative-index metamaterial. The film includes a plurality of tilt-oriented portions and apertures. At least two of the tilt-oriented portions are separated by an aperture, and the tilt-oriented portions are configured such that incident radiation is redirected into a negative or positive refraction direction.Type: ApplicationFiled: July 21, 2011Publication date: September 26, 2013Inventors: Hong Koo Kim, Yun-Suk Jung, Yonggang Xi
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Patent number: 8541735Abstract: An optical material is inlaid into a supporting substrate, with the top surface of the optical material flush with the top surface of the substrate, wherein the optical element is used to shape a beam of light travelling substantially parallel to the top surface of the substrate, but with the central axis of the beam below the top surface of the substrate. The optical elements serve to shape the beam of light for delivery to or from a microfabricated structure within the device.Type: GrantFiled: April 7, 2010Date of Patent: September 24, 2013Assignee: Innovative Micro TechnologyInventors: John S. Foster, John C. Harley, Ian R. Johnston, Jeffery F. Summers