Patents Examined by Lee Fineman
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Patent number: 7719760Abstract: Provided is an optical microscope system for detecting nanowires to allow for use of an existing optical microscope in fabricating an electronic device having the nanowires and including: a light source for emitting light to provide the light to a nanowire sample; a rotational polarizer provided on a path of the light emitted from the light source for polarizing the light; an optical microscope for detecting a nanowire image using light that is polarized by the rotational polarizer and incident on the nanowire sample; a CCD camera provided in a region of the optical microscope for photographing and storing the nanowire image detected by the optical microscope; and a data processor for performing Fast Fourier Transform (FFT) on the nanowire image stored in the CCD camera. Intensity of reflected light varies, due to optical anisotropy of the nanowires, along a polarizing orientation of light incident on the nanowires.Type: GrantFiled: November 15, 2007Date of Patent: May 18, 2010Assignee: Electronics and Telecommunications Research InstituteInventors: Eun Kyoung Kim, Seung Eon Moon, Hong Yeol Lee, Jong Hyurk Park, Kang Ho Park, Jong Dae Kim, Gyu Tae Kim, Do Young Jang, Eung Seook Park, Hyun Jin Ji
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Patent number: 7710649Abstract: An optical polarizer includes a supporting member and a polarizing film supported by the supporting member. The polarizing film includes at least one layer of a carbon nanotube film, and the carbon nanotubes in a given carbon nanotube film are aligned in the same direction therein. A method for fabricating the optical polarizer includes the steps of: (a) providing a supporting member; (b) providing at least one layer of a carbon nanotube film, the carbon nanotubes in a given carbon nanotube film aligned along the same direction; and (c) adhering a given carbon nanotube film to the supporting member to form the optical polarizer.Type: GrantFiled: December 14, 2007Date of Patent: May 4, 2010Assignees: Tsinghua University, Hon Hai Precision Industry Co., Ltd.Inventors: Chen Feng, Kai-Li Jiang, Liang Liu, Xiao-Bo Zhang, Shou-Shan Fan
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Patent number: 7706069Abstract: Apparatus for attenuating an unpolarized laser beam includes a polarizing beamsplitter for separating the laser beam into two plane-polarized beams following separate paths. The two plane-polarized beams are polarization rotated by a single polarization rotator. Each of the polarization-rotated beams is separated by a polarizing beam-combiner into two plane-polarized portions. One of the portions of one polarization-rotated beam is combined by the beam-combiner with one of the portions of the other polarization-rotated beam to provide an attenuated output-beam. In certain examples of the apparatus the separate paths are made equal in length so that combined beam portions are equal in diameter.Type: GrantFiled: May 14, 2007Date of Patent: April 27, 2010Assignee: Coherent, Inc.Inventors: Oliver Mehl, R. Russel Austin
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Patent number: 7692860Abstract: A wire grid polarizer includes a substrate adapted to transmit predetermined wavelengths of light, a plurality of dielectric wires extending parallel to one another along a first direction on the substrate, the dielectric wires including a dielectric material adapted to transmit the predetermined wavelengths of light, and a plurality of metal wires extending along the first direction between the dielectric wires, wherein sidewalls of the metal wires include portions in contact with sidewalls of the dielectric wires and portions not in contact with the sidewalls of the dielectric wires.Type: GrantFiled: December 6, 2007Date of Patent: April 6, 2010Assignee: Cheil Industries, Inc.Inventors: Atsushi Sato, Hitomu Watanabe, Yoshihide Nagata
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Patent number: 7692858Abstract: A sight includes a housing with first and second openings, and includes an optics section that is disposed within the housing, that has image erecting optics and eyepiece optics, and that optically influences radiation received through the first opening from a scene, so as to deliver through the second opening a viewable image that is a function of the radiation. An adjusting section facilitates adjustment of the position of the image erecting optics and the eyepiece optics within the housing.Type: GrantFiled: September 9, 2008Date of Patent: April 6, 2010Assignee: Raytheon CompanyInventors: Michael David Thorpe, Victor Jarinov
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Patent number: 7679824Abstract: A polarizing device having a synthetic resin film of a polarizing plate sandwiched and bonded between two glass members. At least a surface on one side of the polarizing plate is bonded to one of glass members by the use of a tackiness agent. Adjoining surfaces of the two glass members, which are located on the side of the sandwiched polarizing plate, are finished to a high degree of planeness, and at least one of the two glass members is in the form of a resilient glass plate capable of flexural deformation in a lateral direction.Type: GrantFiled: December 28, 2006Date of Patent: March 16, 2010Assignee: Fujinon CorporationInventors: Takuya Komatsu, Shigeru Kato
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Patent number: 7679821Abstract: A catadioptric projection objective for imaging a pattern provided in an object plane of the projection objective onto an image plane of the projection objective comprises: a first objective part for imaging the pattern provided in the object plane into a first intermediate image; a second objective part for imaging the first intermediate imaging into a second intermediate image; a third objective part for imaging the second intermediate imaging directly onto the image plane; wherein a first concave mirror having a first continuous mirror surface and at least one second concave mirror having a second continuous mirror surface are arranged upstream of the second intermediate image; pupil surfaces are formed between the object plane and the first intermediate image, between the first and the second intermediate image and between the second intermediate image and the image plane; and all concave mirrors are arranged optically remote from a pupil surface.Type: GrantFiled: August 1, 2008Date of Patent: March 16, 2010Assignee: Carl Zeiss SMT AGInventors: David Shafer, Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple
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Compact two-element infrared objective lens and IR or thermal sight for weapon having viewing optics
Patent number: 7672045Abstract: A compact objective lens is disclosed which is particularly suitable for infrared optical systems. The lens features a simple design with only two lens elements, namely a first lens element receiving incident radiation and having front and rear surfaces, and a second lens element receiving incident radiation from the first element and having front and rear surfaces. The lens forms an image of a scene on a focal plane. At least three of the four surfaces of the elements are aspheric surfaces. The lens has an f-number less than about 2, a field-of-view less than about 30 degrees, and an effective focal length less than about 6 inches. The elements are made from a material selected to pass radiation in the infrared band of the electromagnetic spectrum, e.g., germanium. The lens is suitable for use as an objective lens for a long-wave infrared sight for small arms, e.g., rifle or shoulder-launched surface to air missile launching system, i.e.Type: GrantFiled: August 23, 2007Date of Patent: March 2, 2010Assignee: Goodrich CorporationInventor: Allie M. Baker -
Patent number: 7672047Abstract: A catadioptric projection objective for imaging a pattern provided in an object plane of the projection objective onto an image plane of the projection objective comprises: a first objective part for imaging the pattern provided in the object plane into a first intermediate image; a second objective part for imaging the first intermediate imaging into a second intermediate image; a third objective part for imaging the second intermediate imaging directly onto the image plane; wherein a first concave mirror having a first continuous mirror surface and at least one second concave mirror having a second continuous mirror surface are arranged upstream of the second intermediate image; pupil surfaces are formed between the object plane and the first intermediate image, between the first and the second intermediate image and between the second intermediate image and the image plane; and all concave mirrors are arranged optically remote from a pupil surface.Type: GrantFiled: April 9, 2008Date of Patent: March 2, 2010Assignee: Carl Zeiss SMT AGInventors: David Shafer, Wilhelm Ulrich, Aurelian Dodoc, Rudolf Von Buenau, Hans-Juergen Mann, Alexander Epple
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Patent number: 7667890Abstract: The present invention relates to the analysis of specimens. Specifically, the invention relates to methods and apparatus for reviewing specimen slides, including apparatus for holding the slides. The invention also relates to an automatic focusing method for an imaging system and methods for accommodating vibration in the imaging system. In particular, the methods and apparatus may be applied to the automated analysis of cytological specimen slides.Type: GrantFiled: September 25, 2007Date of Patent: February 23, 2010Assignee: Cytyc CorporationInventors: Garrick L. Maenle, William J. Knox, David Zahniser
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Patent number: 7661832Abstract: An optical laminate having a light transparent base material and an anti-dazzling layer provided on the light transparent base material, wherein the outermost surface of the anti-dazzling layer has a concavoconvex surface. The concavoconvex shape simultaneously satisfies the following formulae (I) 1.2??a?2.5 and (II) 0.004???0.18, wherein ?a represents the average inclination angle of the concavoconvex part; Rz represents the average roughness of concavoconvexes; Sm represents the average spacing of the concavoconvexes; and ? represents the ratio, between Rz and Sm, defined by ?=Rz/Sm. The optical laminate has an internal haze value of not less than 0% and not more than 50%, and the optical laminate has a surface haze value of not less than 0.5% and not more than 4.5%.Type: GrantFiled: February 21, 2006Date of Patent: February 16, 2010Assignee: Dai Nippon Printing Co., Ltd.Inventors: Yukimitsu Iwata, Koichi Mikami, Yoshihiro Nishimura, Takashi Kodama
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Patent number: 7660038Abstract: In a three-dimensional image display device for displaying color three-dimensional images, a fly eye lens, a display panel, and a light source are provided in this order from the observer side. A display panel has four pixels arrayed in a (2×2) matrix correlated with one lens element of the fly eye lens. In the event that j is a natural number, a pixel magnifying projection width e in a second direction is set in a range of the following expression according to mean interpupillary distance Y of the observers.Type: GrantFiled: January 11, 2008Date of Patent: February 9, 2010Assignee: NEC CorporationInventors: Shin-ichi Uehara, Naoyasu Ikeda, Nobuaki Takanashi
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Patent number: 7649681Abstract: A surgical microscope (1) includes a viewing unit (3) for viewing an object (5) and an image projection module (7) for inputting image data (9) into the viewing unit (3). The image projection module (7, 107, 207, 307) includes a plano-convex lens and a plano-concave lens. The image projection module (7, 107, 207, 307) includes an image display unit (11, 111, 211, 311).Type: GrantFiled: February 12, 2001Date of Patent: January 19, 2010Assignee: Carl-Zeiss-StiftungInventors: Christoph Hauger, Ulrich Gold, Christian Lücke, Margit Krause-Bonte, Dirk L. Brunner, Martin Pelzer
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Patent number: 7649684Abstract: An optical apparatus minimizes autofluorescence and stray light as well as leakage of excitation light and efficiently utilizes illuminating light from a fluorescence illumination optical system to allow observation of a bright fluorescence image. An observation apparatus has an objective, an observation optical system unit including a variable magnification optical system, and an imaging optical system unit including an imaging lens and an eyepiece. A fluorescence illumination apparatus, which is provided separately, is removably attached to the observation apparatus. The fluorescence illumination apparatus has a light source, a collector lens unit, and a reflecting member placed between the objective and the observation optical system unit at a position displaced from the optical axis of the objective to make light from the light source incident on the objective. An excitation filter is provided between the light source and the reflecting member.Type: GrantFiled: June 8, 2005Date of Patent: January 19, 2010Assignee: Olympus CorporationInventors: Kenji Kawasaki, Daisuke Nishiwaki, Keiji Shimizu
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Patent number: 7646537Abstract: Provided is a high-resolution field sequential autostereoscopic display. The display includes a display panel including display elements which display images, a lenticular array receiving a signal from the display panel and outputting a directional signal to be viewed with both eyes of a viewer, an anisotropic element arranged parallel to the lenticular array and outputting from the lenticular array a phase-alternated signal, a polarization switch switching the output phase of the anisotropic element according to an image refresh rate of the display panel, and a polarizer outputting a signal with a predetermined phase among phases of an output signal of the polarization switch. The autostereoscopic display provides full resolution stereoscopic images viewable without eyeglasses. Conventional low cost TN LCD panels can be applied to the autostereoscopic display without significant increase of flickering or crosstalk between the left and right images.Type: GrantFiled: January 3, 2007Date of Patent: January 12, 2010Assignee: Samsung Electronics Co., Ltd,Inventor: Sergey Shestak
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Patent number: 7639419Abstract: A system for use with a reduced size catadioptric objective is disclosed. The system including the reduced size objective includes various subsystems to allow enhanced imaging, the subsystems including illumination, imaging, autofocus, positioning, sensor, data acquisition, and data analysis. The objective may be employed with light energy having a wavelength in the range of approximately 190 nanometers through the infrared light range, and elements of the objective are less than 100 mm in diameter. The objective comprises a focusing lens group and at least one field lens oriented to receive focused light energy from the focusing lens group and provide intermediate light energy. The objective also includes a Mangin mirror arrangement. The design imparts controlled light energy with a numerical aperture in excess of 0.65 and up to approximately 0.90 to a specimen for imaging purposes, and the design may be employed in various environments.Type: GrantFiled: July 7, 2003Date of Patent: December 29, 2009Assignee: KLA-Tencor Technologies, Inc.Inventors: Yung-Ho Chuang, J. Joseph Armstrong, David R. Shafer
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Patent number: 7636195Abstract: A mirror device (1) which can be simultaneously used for display purposes, based on e.g. an LCD display (5) with a polarizing mirror (2) placed in front of it. When the surface area occupied by the display is smaller than the surface area of the mirror, the smaller display can be easily recognized at the front of the mirror. This is masked by introducing absorbing polarizers (30, 40).Type: GrantFiled: January 4, 2005Date of Patent: December 22, 2009Assignee: Koninklijke Philips Electronics N.V.Inventors: Armanda Cinderella Nieuwkerk, Martinus Hermanus Wilhelmus Maria Van Delden, Emiel Peeters, Bianca Maria Irma Van Der Zande
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Patent number: 7633675Abstract: A reduced size catadioptric inspection system employing a catadioptric objective and immersion substance is disclosed. The objective may be employed with light energy having a wavelength in the range of approximately 190 nanometers through the infrared light range, and can provide numerical apertures in excess of 0.9. Elements are less than 100 millimeters in diameter and may fit within a standard microscope. The objective comprises a focusing lens group, a field lens, a Mangin mirror arrangement, and an immersion substance or liquid between the Mangin mirror arrangement and the specimen. A variable focal length optical system for use with the objective in the catadioptric inspection system is also disclosed.Type: GrantFiled: December 5, 2007Date of Patent: December 15, 2009Assignee: KLA-Tencor Technologies CorporationInventors: J. Joseph Armstrong, Yung-Ho Chuang, David R. Shafer
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Patent number: 7630131Abstract: An image display apparatus capable of switching a display mode between a directional display mode where a first image is displayed in a first viewing direction and a second image is displayed in a second viewing direction and a non-directional display mode where the same image is displayed in both the first and second viewing directions. The apparatus includes an image forming unit and an optical member. The optical member is disposed adjacent to an emitting side of the image forming unit and is used for switching the display mode. The optical member includes two light-transmitting plate members, a lens member disposed between the two plate members, a refractive-index variable medium sealed in a gap between the lens member and the two plate members, and a refractive-index adjusting unit that adjusts a refractive index of the refractive-index variable medium. in order to switch between the directional and non-directional display mode.Type: GrantFiled: March 7, 2008Date of Patent: December 8, 2009Assignee: Seiko Epson CorporationInventors: Goro Hamagishi, Osamu Yokoyama
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Patent number: 7628496Abstract: An antiglare film is disclosed including a transparent substrate; and an antiglare layer on the transparent substrate wherein concaves and convexes are formed on the surface of the layer. As for the surface of the antiglare layer, ten-point mean roughness Rz1 according to JIS-B0601-1994 is 0.4-0.9 ?m when the cutoff value is 0.8 mm and ten-point mean roughness Rz2 according to JIS-B0601-1994 is 0.02-0.06 ?m when the cutoff value is 0.008 mm.Type: GrantFiled: July 18, 2007Date of Patent: December 8, 2009Assignee: Toppan Printing Co., Ltd.Inventor: Yu Matsuura