Including Fiber Optics Patents (Class 355/1)
  • Patent number: 10361138
    Abstract: In various embodiments, an arrangement is provided. The arrangement may include a plurality of chips; a chip carrier carrying the plurality of chips, the chip carrier including a chip carrier notch; and encapsulation material encapsulating the chip carrier and filling the chip carrier notch; wherein the outer circumference of the encapsulation material is free from a recess.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: July 23, 2019
    Assignee: Infineon Technologies AG
    Inventors: Michael Ledutke, Edward Fuergut
  • Patent number: 10295707
    Abstract: A coated metal fluoride optic is provided. The coated metal fluoride optic includes an alkaline earth metal fluoride substrate and a coating disposed on at least one surface of the substrate. The coating includes an adhesion layer comprising a fluoride-containing material, a non-densified intermediate layer deposited on the adhesion layer, and a densified capping layer deposited on the intermediate layer.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: May 21, 2019
    Assignee: Corning Incorporated
    Inventors: Gerald Philip Cox, Michael Joseph D'lallo, Jean-Francois Oudard, Jue Wang
  • Patent number: 10284738
    Abstract: An image processing apparatus includes: a conveyance unit configured to convey a medium; a sensor configured to sense a medium being conveyed; and a controller configured to control the conveyance unit and acquire a result of the sensing performed by the sensor. The sensor includes a light emitter, a light receiver configured to perform output in accordance with the amount of the received light, and a shielding unit including a transmissive part through which the sensing light transmits. The transmissive part has a shape in which an opening width in a direction orthogonal to a conveyance direction of the medium changes in the conveyance direction. The controller determines skewing of the medium being conveyed based on change in the amount of light received by the light receiver as the medium passes along the transmissive part and temporal change in accordance with the conveyance of the medium.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: May 7, 2019
    Assignee: Konica Minolta, Inc.
    Inventor: Takayuki Suzuki
  • Patent number: 10211595
    Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.
    Type: Grant
    Filed: June 2, 2017
    Date of Patent: February 19, 2019
    Assignee: Aurrion, Inc.
    Inventors: Erik Johan Norberg, Brian Koch, Gregory Alan Fish, Hyundai Park, Jared Bauters
  • Patent number: 10197729
    Abstract: As a result of the size of the detector elements thereof, optoelectronic detectors such as photoelectron multipliers comprising a light-entry region sealed by a protective disc can only be used with much outlay for recording an image of a diffraction-limited focus volume in a two-dimensional spatially resolved manner, even if the image is significantly magnified in relation to the focus volume. The novel detector is intended to enable the spatially resolved detection of point spread functions with little outlay and high accuracy. 2.2 For this purpose, a body made of glass or glass ceramics comprising an opening, in which one end of an optical fiber is arranged, is cemented to the cover disc in such a way that the end of the optical fiber faces the cover disc and the optical axis thereof intersects the light-entry region. Thus, the relative position of optical fiber and entry region can be provided permanently with high accuracy.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: February 5, 2019
    Assignee: Carl Zeiss Microscopy GMBH
    Inventors: Joerg Steinert, Oliver Holub, Gunther Lorenz
  • Patent number: 10144034
    Abstract: A laser-induced dispensing system for material processing is disclosed. The laser-induced dispensing system includes a fiber bundle having optical fibers. The optical fibers have first ends arranged at the first interface and second ends arranged at the second interface. Additionally, optics that direct laser beams transmitted from the second interface by the optical fibers toward a material to be deposited a substrate is provided. The optics is configured to focus the laser beams on the material to be deposited, thereby causing the material to be deposited to be released onto the substrate. Each of the optical fibers having a first end that is adjacent to a first end of another of the optical fibers at the first interface have a second end that is non-adjacent to a second end of the another of the optical fibers at the second interface.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: December 4, 2018
    Assignee: IO TECH GROUP LTD.
    Inventor: Michael Zenou
  • Patent number: 10064968
    Abstract: Field balancing may be performed with an irradiation system including a plurality of adjustable radiant-energy emitters. The irradiation system powers the radiant-energy emitters from a power source and radiant energy is emitted from the radiant-energy emitters, where an amount of radiant energy emitted from each emitter is capable of being varied based on power received from the power source. A plurality of radiant-energy sensors detects an amount of radiant energy which includes radiant energy created directly by at least one of the radiant-energy emitters. The amount of radiant energy detected at at least two of the radiant-energy sensors is compared, and at least one of the radiant-energy emitters is adjusted by varying the power received from the power source so that the amount of radiant energy detected at each of the radiant-energy sensors tends towards becoming approximately equal.
    Type: Grant
    Filed: August 21, 2014
    Date of Patent: September 4, 2018
    Assignee: Skytron, LLC
    Inventors: Mark Statham, Eric Engler, Steve Fister, Robert L. Gilling, Thomas A. Kenny, Rory Sayers, Clinton Starrs
  • Patent number: 10012827
    Abstract: A device for combined-zoom interferometric imaging includes a number of first blades and second blades. Each of the first blades includes multiple first optical elements arranged in a first linear configuration for high-resolution interferometric imaging. Each of the second blades includes multiple second optical elements arranged in a second linear configuration for low-resolution interferometric imaging. Pairs of the first optical elements with different baseline lengths are coupled through a first array of optical waveguides to an optical processor. Pairs of the second optical elements with different baseline lengths are coupled through a second array of optical waveguides to the optical processor.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: July 3, 2018
    Assignee: LOCKHEED MARTIN CORPORATION
    Inventors: Alan L. Duncan, Richard Lee Kendrick
  • Patent number: 9971269
    Abstract: A discharging method used in an image forming apparatus includes discharging, with an exposure device, an exposure range of the latent image bearer, and discharging, with a discharger, an area of the latent image bearer outside the exposure range and inside a developing range in a main scanning direction. The exposure range is inside the developing range in the main scanning direction. The discharging with the exposure device and the discharging with the discharger are performed when a rotation of the latent image bearer is stopped after a toner image is transferred from the latent image bearer.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: May 15, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Ryouhei Ohi, Takafumi Miyazaki, Yuuji Meguro, Yasuhiro Fujiwara
  • Patent number: 9907636
    Abstract: A light irradiation device that emits a light patch of uniform intensity. The device may be a dental light wand. The device has a light source, a lenslet array and an optional relay lens. The light source may be a laser or a collimated LED. Each lenslet of the lenslet array has two convex surfaces, a front convex surface, and a rear convex surface that is opposite to the front convex surface. The front convex surface has a focal point on the principal plane of the rear convex surface. The focal length of the front convex surface differs from the focal length of the rear convex surface. Light beams emitted by the light source pass through the lenslet array, and if a relay lens is present then pass through the relay lens, forming a light patch of uniform intensity.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: March 6, 2018
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Zhisheng Yun, Rudolf Schmid, James L. Graham, II
  • Patent number: 9894233
    Abstract: A lighting apparatus includes a first illumination portion and a second illumination portion. The first illumination portion and the second illumination portion respectively include a bar-like light guide whose shape of an end face of an end portion includes a part of a circle, an ellipse or a parabola, and light source elements that are provided to face the end face of the end portion of the light guide. In the light guide of the second illumination portion, light enters a determined range in which a focus of the shape of the end face of the end portion of the light guide is included. In the light guide of the first illumination portion, light enters a range that is not the determined range in which the focus of the shape of the end face of the light guide is included.
    Type: Grant
    Filed: March 3, 2015
    Date of Patent: February 13, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Taku Matsuzawa, Akiko Fujiuchi, Toshiaki Shoji
  • Patent number: 9843697
    Abstract: An image reading apparatus includes a light-guide member that moves in a direction crossing a longitudinal direction of the light-guide member and that emits light, which has entered from an incident surface of the light-guide member, as light that is linearly distributed in the longitudinal direction, a light source that emits the light, and an optical fiber that guides the light emitted by the light source to the incident surface.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: December 12, 2017
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Kaoru Takahashi
  • Patent number: 9685761
    Abstract: Described herein are lasers comprising an output port to output an optical signal, a plurality of waveguide segments forming an optical cavity length, and a resonant optical cavity comprising the optical cavity length, a gain medium included in the resonant optical cavity to amplify the optical signal, and a heating element disposed near at least two of the plurality of waveguide segments, the heating element controllable to adjust the phase of the optical signal by heating the waveguide segments. Described herein are optical devices comprising a first plurality of ports to output a plurality of optical signals, a second plurality of ports to receive the plurality of optical signals, and a plurality of coupling waveguides. The plurality of waveguide may comprise a pair of adjacent waveguides separated by a first distance, each of the pair of adjacent waveguides comprising a different width.
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: June 20, 2017
    Assignee: Aurrion, Inc.
    Inventors: Erik Johan Norberg, Brian Koch, Gregory Alan Fish, Hyundai Park, Jared Bauters
  • Patent number: 9625315
    Abstract: The present application discloses an optical sensing module, an optical mechanism of a spectrometer, and a spectrometer. An optical sensing module according to one embodiment comprises an optical sensing component and an optical fiber. The optical sensing component includes at least a row of optical sensing units. The optical fiber is made of a transparent material and has a cylindrical curved surface. A side of the cylindrical curved surface faces the optical sensing units to converge at least a portion of an incident light received by the optical sensing units. With techniques of the present application, the amount of light collected at the optical sensing component can be increased for it to be suitable for applications such as miniaturized apparatuses and systems, thus improving the overall efficiency of optical reception and utilization therein.
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: April 18, 2017
    Assignee: OTO PHOTONICS INC.
    Inventors: Chien-Hsiang Hung, Jan Liang Yeh
  • Patent number: 9541756
    Abstract: An optical apparatus includes: a light source including multiple light-emitting points arrayed in a first direction; and an imaging optical system including multiple lens optical systems arrayed in the first direction. The imaging optical system forms images of the multiple light-emitting points on a light-receiving surface. In a first cross-section and in a second cross-section, half-value of a maximum value of angle of divergence of an imaging optical flux input to the light-receiving surface, resolution, and a size of each image of the plurality of light-emitting points formed on the light-receiving surface, satisfy predetermined conditions.
    Type: Grant
    Filed: December 18, 2013
    Date of Patent: January 10, 2017
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takeyoshi Saiga, Masayasu Teramura, Yu Miyajima
  • Patent number: 9511517
    Abstract: The present invention provides a composite optical element including a resin layer that is less susceptible to yellowing and has small cure shrinkage during formation. The present invention is a composite optical element including a resin layer obtained by polymerizing a resin composition containing a (meth)acrylate compound of a saturated aliphatic epoxy compound, a multifunctional isocyanurate compound, and a photopolymerization initiator.
    Type: Grant
    Filed: July 13, 2010
    Date of Patent: December 6, 2016
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Nobuyuki Kobayashi
  • Patent number: 9448394
    Abstract: Various aspects as described herein are directed to apparatuses, methods, and systems including a sandwiched arrangement having a light-access port, a scanning mirror, an optics region, and a spacer. The spacer provides a light-directing optical region that separates the scanning mirror and the optics region, and includes a mirrored surface that reflects light between the light-access port and the optics region. Additionally, the optics region includes a curved-shaped window that provides a field of view by communicating beams of light between a target region. The optics region also includes a curved-shaped mirror having a surface that reflects light between the scanning mirror and the mirrored surface. Light beams, as conveyed between the light-access port and the curved-shaped window, are folded by being reflected off the scanning mirror, the curved-shaped mirror and the mirrored surface.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: September 20, 2016
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Michael J. Mandella, Olav Solgaard, Christopher H. Contag
  • Patent number: 9435515
    Abstract: A near-field lens is provided. The lens includes a lens body positioned about an optical axis. The lens body includes an input surface for receiving light from a light source and defined by a focusing surface and a convex hyperbolic surface. The lens body also includes an output surface through which light exits the lens body and a lateral surface extending between the convex hyperbolic surface and the output surface. The focusing surface is configured to collimate light along the optical axis towards the output surface and the convex hyperbolic surface is configured to substantially collimate light towards the lateral surface to be internally reflected towards the output surface.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: September 6, 2016
    Assignee: Energizer Brands, LLC
    Inventor: Fred W. Marcaly
  • Patent number: 9380184
    Abstract: An optical scanning device has a rotary multiple-face mirror, a lens, a housing, and a cover member. The housing has a housing space in which the rotary multiple-face mirror and the lens are housed. The cover member covers the housing space in the housing. The housing has a light emission opening through which a light beam is emitted, and outside the light emission opening in the housing, a light transmitting member which transmits the light beam is provided to close the light emission opening. The cover member has a body part which covers the housing space and a fastening part which fastens the light transmitting member by pressing it toward the light emission opening.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: June 28, 2016
    Assignee: KYOCERA Document Solutions Inc.
    Inventor: Hiroki Ozawa
  • Patent number: 9341828
    Abstract: An optical coupling system includes a first unit including a source of light or a first multi-core optical fiber, each of the source and the first multi-core optical fiber including at least a first aperture, a second unit including a second multi-core optical fiber including at least a second aperture corresponding to the first aperture of the first unit, and a lens array unit redirecting light between the first unit and the second unit, the lens array unit substantially matching light rays transmitted or received between the first aperture of the first unit and the corresponding second aperture of the second unit.
    Type: Grant
    Filed: March 31, 2011
    Date of Patent: May 17, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Russell A. Budd, Frank R. Libsch
  • Patent number: 9324010
    Abstract: An image forming apparatus, including a mechanism configured to switch an intermediate transfer member between a first state in which the intermediate transfer member is in contact with a first photosensitive drum for a color toner image and a second photosensitive drum for a black toner image in a full-color mode and a second state in which the intermediate transfer member is separated from the first photosensitive drum and in contact with the second photosensitive drum in a monochrome mode; and a control portion configured to control the mechanism according to a set color mode in response to a user operation from which a start of the image formation is predicted, without an instruction of image formation and thereafter control the mechanism according to a changed color mode if the set color mode is changed by a setting of the color mode before receiving the instruction of the image formation.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: April 26, 2016
    Assignee: Canon Kabushiki Kaisha
    Inventors: Shinnosuke Iwadate, Keita Takahashi, Hiroto Nishihara, Hiromi Shimura, Teruhito Kai, Kenzo Kumagai
  • Patent number: 9310701
    Abstract: A device for guiding electromagnetic radiation into a projection exposure apparatus for semiconductor lithography includes an optical fiber and an actuator for the mechanical manipulation of a section of the fiber as a result of which a temporally averaged homogenization of an intensity profile of electromagnetic radiation emerging at an exit end of the fiber can be achieved. A projection exposure apparatus for semiconductor lithography is equipped with the abovementioned device.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: April 12, 2016
    Assignee: Carl Zeiss SMT GmbH
    Inventor: Andras G. Major
  • Patent number: 9116282
    Abstract: A solid-state light source includes a semiconductor light source for emitting light and an optical system having a fiber optic element. The fiber optic element has an input for receiving emitted light from the semiconductor light source. The fiber optic element also has an output for emitting light received from the solid-state light source. The semiconductor light source and the fiber optic element in aggregate form an illumination path.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: August 25, 2015
    Assignee: Smith & Nephew, Inc.
    Inventor: Yuri Kazakevich
  • Patent number: 9110438
    Abstract: A disclosed flange member includes a press-fitted portion to be press-fitted in an axial end-opening portion of a hollow and cylindrical sleeve member; an axle opening portion including an axle opening into which a shaft member is inserted when the press-fitted portion is press-fitted in the end-opening portion; and a linking portion extending in a direction parallel to a circular cross section of the sleeve member and connecting the axle opening portion to the press-fitted portion. The linking portion includes a stress-absorbing portion that is deformed so as to absorb stress to which an outer peripheral surface of the press-fitted portion is subjected upon contact with an inner peripheral surface of the sleeve member when the press-fitted portion is press-fitted in the end-opening portion, thus preventing the stress from being transmitted to the axle opening portion via the linking portion.
    Type: Grant
    Filed: November 10, 2011
    Date of Patent: August 18, 2015
    Assignee: RICOH COMPANY, LTD.
    Inventors: Daisuke Kubo, Keiichi Yano, Akira Nakamura, Yoko Arai
  • Patent number: 8947495
    Abstract: A telepresence device allows a remote meeting participant to establish a telepresence at a remote meeting location. The telepresence device provides a video image of the remote meeting participant on a video display screen at a meeting location To enhance the visual sensation that the remote person is present at the meeting location, the telepresence device may display the silhouette image of the remote meeting participant without the image of the background scene of the remote participant's location (e.g., office, home or home office). Further, the telepresence device may be equipped with a rear-facing camera that captures a video image of the background scene behind the telepresence device at the meeting location. The silhouette image of the remote meeting participant may be superimposed on the video image of the background scene at the meeting location, which is captured by the rear-facing camera.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: February 3, 2015
    Assignee: Alcatel Lucent
    Inventors: Zulfiquar Sayeed, James Kotch
  • Patent number: 8885231
    Abstract: Provided are: a light source that emits light; a light guide including: a curved portion including a light incident surface from which the light from the light source enters; and a linear portion including a light emission surface from which the light is emitted to an original, the linear portion coupled to the curved portion and extended in a main-scan direction, the curved portion reflecting the light entered from the light incident surface to the linear portion; and a frame that houses the light source, and the light guide, wherein the light guide includes an inclined portion inclined in a direction that increases an incident angle ? of the light, the inclined portion formed in a range of the linear portion where the light reflected by the curved portion enters.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: November 11, 2014
    Assignee: Canon Components, Inc.
    Inventor: Yoshihiko Tsumekawa
  • Patent number: 7591576
    Abstract: An illuminator includes a light guide having a circular cross-section, a scatterer that is provided on a portion of the circumference of the circular cross-section and that radiates scattering light toward the inside of the light guide, and a condensing lens that condenses light emitted from the light guide and transforms the light into a linear beam, a planar beam, or a point-like beam. In the illuminator light from the light source is effectively utilized, and the light can efficiently illuminate the required illumination area. In addition, an image reader apparatus can perform high-speed reading using such an illuminator.
    Type: Grant
    Filed: November 2, 2005
    Date of Patent: September 22, 2009
    Assignee: Mitsubishi Electric Corporation
    Inventors: Tatsuki Okamoto, Akira Ota
  • Publication number: 20090207387
    Abstract: A fiber optic imaging apparatus includes a light source (12); at least one optical fiber (47) for transmitting light from the light source; a mechanical assembly for supporting at least one optical fiber; a detector (41) which measures light transmitted by at least one optical fiber; and a controller for adjusting light intensity emitted from the light source according to a level of light detected by the light detector.
    Type: Application
    Filed: February 18, 2008
    Publication date: August 20, 2009
    Inventors: Ophir Eyal, Moshe Liberman
  • Patent number: 7448411
    Abstract: An actuator for selectively moving a part relative to another part includes a shape memory wire, which contracts upon heating, and a magnetic field. One end of the shape memory wire is fixed to a first body. The other end of the shape memory wire is coupled to a second body, which is movable relative to the first body. When heated, the shape memory wire contracts and moves the second body in a direction of travel from a first position relative to the first body toward a second position. A magnetic field generates a magnetic force on the second body, which acts on and moves the second body in the direction of travel to the second position after the shape memory wire initially contracts to thereby reduce the load on the shape memory wire when the second body is moved to the second position. The actuator may be used, for example, to move the valve stem in a valve.
    Type: Grant
    Filed: April 3, 2006
    Date of Patent: November 11, 2008
    Assignee: Humphrey Products Company
    Inventors: Mark William Friedman, Robert Brian Knepple
  • Patent number: 7242843
    Abstract: The invention is directed to hermetically sealed optical lithography components or elements that are hermetically sealed by a durable coat of a hermetically sealing material selected from the group consisting of oxide and fluorinated oxide films. The durable coating of the hermetically sealing material is applied to one of more faces of the optical element, either directly to the face of the element or over a selected coating (for example, an anti-reflective coating) that has been applied to the element. The invention is further directed to a method of making hermetically sealed optical elements.
    Type: Grant
    Filed: June 30, 2005
    Date of Patent: July 10, 2007
    Assignee: Corning Incorporated
    Inventors: Colleen R. Clar, Matthew J. Dejneka, Robert L. Maier, Jue Wang
  • Patent number: 7115353
    Abstract: A system and method for generating a master screen for a silk screen imaging process. Photo activated emulsion is applied to a printing screen and the emulsion is exposed according to a digitized pattern using a light emitting diode (LED) source. The LED source in one embodiment is an array of UV emitting devices which scans the printing screen in a line by line basis.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: October 3, 2006
    Inventors: Gary Baxter, Brian Baxter, David Kennedy, P. Gunnar Wareberg, Steve Wilson, David Rayner, Orson Bourne
  • Patent number: 6975949
    Abstract: A full width array spectrophotometer for full width scanning color analysis of color test targets, with one or two substantially linear elongated arrays of closely spaced multiple LED illumination sources of plural different color emissions in a multiply repeated pattern of at least three or four different colors transversely spanning a printer paper path and sequentially illuminated to illuminate a transverse band across a printed sheet moving in the paper path, and a corresponding elongated low cost light imaging bar with a parallel and correspondingly elongated array of multiple closely spaced different color sensitive (three or four rows of color-filtered) photodetectors, which imaging bar is positioned to detect and analyze light reflected from the transverse sequentially illuminated band.
    Type: Grant
    Filed: April 27, 2004
    Date of Patent: December 13, 2005
    Assignee: Xerox Corporation
    Inventors: Lalit K. Mestha, Jagdish C. Tandon, Steven B. Bolte
  • Publication number: 20040227912
    Abstract: A plate is consecutively mounted on the outer peripheral surface of a recording drum under pressure from a squeegee roller, with its leading edge clamped by leading edge clamps. Guide members for causing the squeegee roller to climb up thereon are provided on the outer peripheral surface of the recording drum such that the squeegee roller is prevented from interfering with the leading edge clamps during plate mounting. Without the need to stop the rotation of the recording drum during plate mounting, a time period required for plate mounting can be reduced.
    Type: Application
    Filed: February 3, 2004
    Publication date: November 18, 2004
    Inventors: Shiro Kitawaki, Susumu Takahashi
  • Patent number: 6724537
    Abstract: A miniaturized lens array for unity magnification imaging comprises a plurality of rod lenses arranged in one row. An arrangement pitch D of the rod lenses is defined to satisfy (2 m+1)·D≦2.1 mm or 2.5 mm. An angle of aperture &thgr; of the rod lens is defined to satisfy &agr;D/6×{n·cos−1(−&agr;/2/m)+(4 m2/&agr;2−1)1/2}≦&thgr;≦&agr;D/2×(4/m2/&agr;2−1)1/2. The arrangement pitch D and angle of aperture &thgr; are defined in this manner, and it is therefore possible to obtain the lens array whose difference between a total width and effective lens width is equal to or smaller than 2.1 mm or 2.5 mm.
    Type: Grant
    Filed: October 10, 2002
    Date of Patent: April 20, 2004
    Assignee: Nippon Sheet Glass Co., Ltd.
    Inventor: Shuya Ogi
  • Patent number: 6570642
    Abstract: A tool for placing an identifying mark on a semiconductor wafer has a bundle of optical fibers that can be illuminated in a pattern representing an identifying character. Light from the fibers is focused on a photoresist layer during wafer manufacture and a pattern of dots is etched into the wafer to represent the character. The dots are too small to be seen with the human eye but the character can be read by a human or by a machine. The character is etched as part of a conventional etch step in manufacturing the wafer and it is easily repeated as a series of manufacturing steps obscure the original mark.
    Type: Grant
    Filed: August 2, 2001
    Date of Patent: May 27, 2003
    Assignee: Taiwan Semiconductor Manufacturing Company
    Inventors: Yung-Sheng Huang, Hung-Chang Hsieh
  • Patent number: 6535271
    Abstract: An exposure apparatus comprises a light source section, which is constituted of a plurality of arrayed light source units, each of the light source units comprising multiple kinds of light emitting devices, which produce light beams having wavelengths falling within different wavelength ranges, and an optical system for combining the light beams, which have been radiated out from the multiple kinds of the light emitting devices, with one another to form a combined light beam, and converging the combined light beam onto one end of an optical fiber. An exposure head is located so as to stand facing a photosensitive surface of a photosensitive material capable of being conveyed. The other end of the optical fiber is connected to the exposure head. A driving mechanism moves the exposure head in a straight line along a direction, which is normal to the direction of conveyance of the photosensitive material.
    Type: Grant
    Filed: March 23, 2000
    Date of Patent: March 18, 2003
    Assignee: Fuji Photo Optical Co., Ltd.
    Inventor: Mamoru Ogasawara
  • Patent number: 6456362
    Abstract: A lithographic projection apparatus includes an illumination system for supplying a projection beam of electromagnetic radiation having a wavelength less than or equal to 50 nm, a mask table provided with a mask holder for holding a mask, a substrate table provided with a substrate holder for holding a substrate, a projection system for imaging an irradiated portion of the mask onto a target portion of the substrate, wherein the radiation system comprises an integrating element disposed in the path of the radiation, the integrating element comprising a hollow waveguide.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: September 24, 2002
    Assignee: ASML Netherlands B.V.
    Inventor: Vadim Y. Banine
  • Publication number: 20010048508
    Abstract: A tool for placing an identifying mark on a semiconductor wafer has a bundle of optical fibers that can be illuminated in a pattern representing an identifying character. Light from the fibers is focused on a photoresist layer during wafer manufacture and a pattern of dots is etched into the wafer to represent the character. The dots are too small to be seen with the human eye but the character can be read by a human or by a machine. The character is etched as part of a conventional etch step in manufacturing the wafer and it is easily repeated as a series of manufacturing steps obscure the original mark.
    Type: Application
    Filed: August 2, 2001
    Publication date: December 6, 2001
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY
    Inventors: Yung-Sheng Huang, Hung-Chang Hsieh
  • Patent number: 6239421
    Abstract: A rod lens array, used in an image sensor, is configured by sandwiching a plurality of rod lenses with two side plates. Among the two side plates, the one which is on the side of the illumination device is made thinner than the other side plate.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: May 29, 2001
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Nagata, Tatsundo Kawai, Masami Tabata
  • Patent number: 6177980
    Abstract: A microscopy and/or lithography system uses a comparatively low-resolution image projection system, which has a very small numerical aperture but large image field, in conjunction with a microlens array comprising miniature lens elements, each of which has a large numerical aperture but very small field. The projection system contains a small aperture stop which is imaged by the microlenses onto an array of diffraction-limited microspots on the microscope sample or printing surface at the microlens focal point positions, and the surface is scanned to build up a complete raster image from the focal point array. The system design thus circumvents the tradeoff between image resolution and field size which is the source of much of the complexity and expense of conventional wide-field, high-NA microscopy and microlithography systems.
    Type: Grant
    Filed: April 9, 1999
    Date of Patent: January 23, 2001
    Inventor: Kenneth C. Johnson
  • Patent number: 6023348
    Abstract: A dual drum rotary image scanner has a headstock and a tailstock between which may be mounted drums of different diameter. The tailstock has substantially annular surfaces which contact corresponding surfaces on the different diameter drums. The different drums, when held in the scanner, each create a different separation between the headstock and tailstock. These different separations are detected by photodetectors, the outputs of which are received by a system controller. The controller uses the photodetector signals to control motors that position the scanning head and the transmittance illuminator relative to the surface of the particular drum mounted in the scanner. The motors turn pinions which, in turn, move racks to which are attached the scanning head and the transmittance illuminator, respectively. The movement of the scanning head also results in the modification of the optical path within the optics box of the scanner.
    Type: Grant
    Filed: October 18, 1994
    Date of Patent: February 8, 2000
    Assignee: Howtek, Inc.
    Inventors: Thomas W. Bosse, Mark W. Magee, Richard F. Lehman, Calvin Winey, III
  • Patent number: 5717975
    Abstract: A filmstrip consisting of a series of coherent frames is passed through a copying station where images of the frames are projected onto an elongated band of copying paper to make proofs of the frames. The images are projected in such a manner that the relative orientations of the images are the same as the relative orientations of the frames.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 10, 1998
    Assignee: Agfa-Gevaert Aktiengesellschaft
    Inventors: Hiroshi Takahashi, Hans-Juergen Rauh, Hans-Georg Schindler
  • Patent number: 5684620
    Abstract: An imaging apparatus modulates or gates pluralities of light beams through individual light valves, thereby providing a greater number and finer resolution of modulated light beams without increasing the number of light valves or decreasing the spacing between adjacent light valves. A two-step modulation process is used, the first step being performed by a light generator incorporating a polygon mirror that selectively illuminates selected bundles of fiber optic strands. One strand from each bundle is routed to illuminate one of the cells in a light valve array, such that when a bundle is illuminated, every cell is illuminated by a strand from the illuminated bundle. The second step of the modulation process involves controlling the light valve array to modulate the light beams formed by the illuminated strands at each cell.
    Type: Grant
    Filed: January 30, 1996
    Date of Patent: November 4, 1997
    Assignee: Schoonscan, Inc.
    Inventor: David J. Schoon
  • Patent number: 5661540
    Abstract: This specification discloses a lens array having a lens element body having a plurality of lens elements arranged, and an overlap limiting member provided between the lens elements of the lens element body for limiting the overlap of images by the plurality of lens elements. The specification also discusses a close contact type image sensor which uses the lens array as an optical element array for directing reflected light from an original and which has a transparent member for supporting the original, a light source for illuminating the original, and a sensor array for photoelectrically converting the image of the original.
    Type: Grant
    Filed: January 22, 1996
    Date of Patent: August 26, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takahiro Kaihotsu, Masami Tabata, Nobuyoshi Tanaka
  • Patent number: 5515136
    Abstract: An image recording apparatus having a light source which illuminates light to one of a reflection original image and a transparency original image, and an imaging lens system which uses the light reflected or transmitted from the original image after being emitted from the light source to form an image on a photosensitive surface of a photosensitive material. A plurality of light emitting diodes are used as the light source. Accordingly, controlling the current to the diodes allows control of a quantity of light without changing the color. It therefore becomes unnecessary to provide a diaphragm mechanism for the imaging lens system. As a result, the apparatus can be made small.
    Type: Grant
    Filed: September 21, 1994
    Date of Patent: May 7, 1996
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Tomonori Nishio, Takatoshi Ohtsu, Atsushi Uejima
  • Patent number: 5485243
    Abstract: Fine, sub-micron line features and patterns are created in a sensitized layer on a semiconductor wafer by a beam of low wavelength radiation, such as X-rays or Gamma-rays. A stream of such radiation is concentrated and collimated by a concentrator, the output of which is disposed in close proximity to the sensitized surface of the wafer. In this manner, the sensitized surface can be converted from one chemical state to another chemical state, essentially point-by-point. By moving one or the other of the beam or the wafer, line features can be converted in the sensitized surface. Typically, non-converted areas of the sensitized surface are removed, for further processing a layer underlying the sensitized surface.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: January 16, 1996
    Assignee: LSI Logic Corporation
    Inventors: Michael D. Rostoker, Nicholas F. Pasch, Joe Zelayeta
  • Patent number: 5450157
    Abstract: An imaging system is disclosed which incorporates a gradient index lens array to transmit focused light onto an image medium with increased Depth of Focus (DOF) and no loss of radiometric efficiency. The lens array is first constructed so that its exit pupil is generally symmetrical. This first step increases the radiometric efficiency of the lens array relative to prior art lens arrays. In a second step, the DOF is increased by reducing a quantity n.sub.o .sqroot.AR which is associated with the lens, n.sub.o being the axial refractive index of the fibers comprising the lens array, .sqroot.A being the gradient index constant of the material comprising the lens array and R being the radius of the individual optical rods, As this quantity is reduced, the DOF increases consistent with a trade off of reduced radiometric efficiency. Since the efficiency was initially increased from some optimum value, the DOF can be increased until the desired radiometric efficiency level is reached.
    Type: Grant
    Filed: December 6, 1993
    Date of Patent: September 12, 1995
    Assignee: Xerox Corporation
    Inventor: James D. Rees
  • Patent number: 5426453
    Abstract: A media spacing system for a fiber optic CRT printer. The system has a film coating over the fiber optic portion of the CRT, outside the phosphor display area, which keeps the media a fixed distance from the display area to provide for a uniform display of data on the media. The film may be applied in multiple layers, with each successive layer having a larger size, to create a rounded edge for the coating. A pressure plate is placed on the opposite side of the media from the film coating to keep the media firmly against the film coating. A compliant element, such as foam rubber, attaches the pressure plate to a fixed bracket to allow the pressure plate to adjust for bow and twist of the CRT, while maintaining pressure against the media.
    Type: Grant
    Filed: September 12, 1994
    Date of Patent: June 20, 1995
    Assignee: Alliant Techsystems, Inc.
    Inventors: Terry Anhorn, Daniel C. O'Brien
  • Patent number: 5426490
    Abstract: An exposure apparatus having a transparent base member opposed to a photosensitive drum and forming part of a vacuum chamber, an electrode formed in the vacuum chamber for discharging thermoelectrons, a fluorescent member formed on the base member for emitting light when receiving the thermoelectrons, an anode for supplying the fluorescent member with a potential for colliding the thermoelectrons against the fluorescent member, the anode shaping the configuration of light emitted from the fluorescent member, and a microlens formed in the base member in contact with the fluorescent member, for converging onto the photosensitive drum the light emitted from the fluorescent member. When thermoelectrons are discharged from the electrode, the fluorescent member emits light, which has a configuration limited by the anode and is efficiently converged onto the photosensitive drum through the microlens formed in the base member in contact with the fluorescent member, to perform exposure.
    Type: Grant
    Filed: September 13, 1993
    Date of Patent: June 20, 1995
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Koji Tanimoto, Naoaki Ide
  • Patent number: 5414489
    Abstract: An elongated light source of the type employed in a document scanner for forming a line of uniform intensity, diffuse illumination at a document scanning plane. The light source has a longitudinally extending aperture for generating a line of light aligned with the light entrance end face of a generally planar, light conducting pipe. The light conducting pipe conducts light through its length and emits the light at a light exiting end face in proximity to a document scanning plane. The emitted light is spectrally filtered within the light pipe by the selected colored material thereof for absorbing unwanted wavelengths and/or by shaping the light pipe and/or by use of dichroic filter coatings for reflecting unwanted light wavelengths.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: May 9, 1995
    Assignee: Eastman Kodak Company
    Inventor: Martin C. Kaplan