Patents Examined by Joshua L Pritchett
  • Patent number: 8184371
    Abstract: A thin film interference filter system includes a plurality of stacked films having a determined reflectance; a modeled monitor curve; and a topmost layer configured to exhibit a wavelength corresponding to one of the determined reflectance or the modeled monitor curve. The topmost layer is placed on the plurality of stacked films and can be a low-index film such as silica or a high index film such as niobia.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: May 22, 2012
    Assignee: Halliburton Energy Services, Inc.
    Inventor: Michael L. Myrick
  • Patent number: 8081384
    Abstract: A multilayer reflective film coated substrate includes a multilayer under film comprised of Mo/Si alternately-layered films, an intermediate layer in the form of a Si film, and a multilayer reflective film comprised of Mo/Si alternately-layered films for reflecting exposure light. The multilayer under film, the intermediate layer, and the multilayer reflective film are formed on a substrate in this order. Given that a cycle length of the multilayer under film is d bottom (unit:nm), a thickness of the intermediate layer is d Si (unit:nm), and a cycle length of the multilayer reflective film is d top (unit:nm), relationships of a formula (1) and a formula (2) are satisfied, the formula (1) given by n×d top?0.05?d bottom?n×d top+0.05 where n is a natural number equal to or greater than 1, and the formula (2) given by m×d top?1.2?d Si??m×d top+1.2 where m is an integer equal to or greater than 0.
    Type: Grant
    Filed: October 16, 2006
    Date of Patent: December 20, 2011
    Assignee: Hoya Corporation
    Inventors: Morio Hosoya, Takeyuki Yamada, Akira Ikeda
  • Patent number: 8077387
    Abstract: An optical microscope, which has a light source, for observing a sample by illuminating light from the light source on the sample includes a second light source that is different from the light source and is insertable/removable in/from the optical path of the optical microscope. The second light source is configured to have the peak of an emission spectrum only in a wavelength range of 400 to 490 nm.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: December 13, 2011
    Assignee: Olympus Corporation
    Inventor: Yasuhiro Yamawaki
  • Patent number: 8072679
    Abstract: A microscope includes optics configured to direct beams onto an object including a reflective material, a detector configured to receive a field spectrum formed by beams reflected by the object, and a calculator configured to reconstruct an image of the object from the field spectrum detected by the detector.
    Type: Grant
    Filed: May 23, 2008
    Date of Patent: December 6, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-wan Kim, Dong-gun Lee, Sung-min Huh
  • Patent number: 8068276
    Abstract: In some embodiments, a projection objective for lithography includes an optical arrangement of optical elements between an object plane and an image plane. The arrangement generally has at least one intermediate image plane, the arrangement further having at least two correction elements for correcting aberrations, of which a first correction element is arranged optically at least in the vicinity of a pupil plane and a second correction element is arranged in a region which is not optically near either a pupil plane or a field plane.
    Type: Grant
    Filed: October 6, 2010
    Date of Patent: November 29, 2011
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Heiko Feldmann, Susanne Beder, Aurelian Dodoc, Alexander Epple, Hans-Juergen Rostalski
  • Patent number: 8064138
    Abstract: In a transmission grating as a dispersive element, diffraction efficiency is enhanced and manufacturing costs are considerably reduced. A dispersive element includes resin members for forming a diffraction grating, being composed of a plurality of diffraction grating members having a cross-sectional shape respectively surrounded by two straight lines such as a triangular shape, and metal members as light-shielding members each being formed on corresponding one of the diffraction grating members at one side of the diffraction grating member along any of the straight line and the curved line of the cross-sectional shape of the diffraction grating member formed by the resin member. The metal members are configured to reduce zero-order transmitted light with respect to incident light, and to enhance diffraction efficiency of first-order transmitted light.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: November 22, 2011
    Assignee: International Business Machines Corporation
    Inventors: Yoichi Taira, Daiju Nakano
  • Patent number: 8054550
    Abstract: A special visual effect is achieved. An optical device includes a light-reflecting interface provided with a first relief structure including first recesses or protrusions arranged two-dimensionally, the first relief structure emitting a first diffracted light when illuminated with a light, and a light-transmitting interface disposed in front of the light-reflecting interface and having a reflectance smaller than that of the first interface, the light-transmitting interface being provided with a second relief structure including second recesses or protrusions arranged two-dimensionally, and the second relief structure emitting a second diffracted light when illuminated with the light.
    Type: Grant
    Filed: March 18, 2010
    Date of Patent: November 8, 2011
    Assignee: Toppan Printing Co., Ltd.
    Inventors: Kazuhiro Yashiki, Naoaki Shindou, Noriyuki Itou, Hidetaka Ide, Naoki Minamikawa
  • Patent number: 8054545
    Abstract: A lens hood for a camera lens has a mounting barrel and a holding ring. The mounting barrel is hollow, is movably mounted around the camera lens and has an internal surface, a front end, a rear end, a sliding recess and at least one detent. The sliding recess if formed in the internal surface of the mounting barrel and has two ends. The at least one detent is formed adjacent to, communicating with and deeper than the sliding recess; two detents may be formed respectively at the ends of the sliding recess. The holding ring is resilient, is mounted securely around the cameras lens, is mounted in and presses the sliding recess and is selectively mounted in the at least one detent to allow the holding ring to relax and prolong usage lifetime.
    Type: Grant
    Filed: May 27, 2008
    Date of Patent: November 8, 2011
    Inventor: Ming-Chung Cheng
  • Patent number: 8047664
    Abstract: A protective automatic darkening filter (ADF) and an associated tool, such as a welding torch, are controlled by a corresponding communication unit. The invention helps to ensure that the tool is not activated before the ADF has reached its dark state. A communication channel between the communication unit and the ADF may be established using a wired or wireless medium.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: November 1, 2011
    Assignee: 3M Innovative Properties Company
    Inventors: Bengt Garbergs, Marcus Wiederkehr
  • Patent number: 8049958
    Abstract: A changing device (60) for an optical examination device, for example a microscope, comprising two beam paths (61.1, 61.2) for a first optical image, and a changing optics (21) which is rotatably arranged in the changing device and is, for example, a Galilei magnification changer having at least two, here three pairs of beam paths (35.1, 35.2 and 45.1, 45.2 and 55.1, 55.2, respectively) which can optionally be switched into the beam paths (61.1, 61.2) of the changing device by rotating the changing optics. In accordance with the invention, the changing optics (21) comprises for each pair of beam paths at least one, here two additional beam paths (36.1, 36.2 and 46.2, 46.2 and 56.1, 56.2, respectively), assigned to the respective pair of beam paths, and the changing device (60) likewise comprises at least one, here likewise two additional beam paths (61.3, 61.4).
    Type: Grant
    Filed: April 25, 2008
    Date of Patent: November 1, 2011
    Assignee: Haag Streit AG
    Inventor: Hansruedi Widmer
  • Patent number: 8047662
    Abstract: An antiglare film includes a transparent support; and an antiglare layer containing a binder and a fine particle, wherein the antiglare layer has an average thickness smaller than an average particle diameter of the fine particle, and the antiglare layer has a surface roughness skewness (Rsk) of from 0.5 to 1.5.
    Type: Grant
    Filed: March 26, 2008
    Date of Patent: November 1, 2011
    Assignee: Fujifilm Corporation
    Inventors: Takato Suzuki, Shinya Kato, Tetsuya Asakura
  • Patent number: 8047663
    Abstract: A beam terminator for a high-power laser beam comprises a thermally conductive body including a beam-trapping chamber. A tapered spiral channel extends into the conductive body for guiding the beam. The beam is partially absorbed while propagating along the channel to the trapping chamber. What remains of the beam is absorbed in the trapping chamber.
    Type: Grant
    Filed: September 24, 2007
    Date of Patent: November 1, 2011
    Assignee: Coherent, Inc.
    Inventors: H. Yang Pang, Donald E. Harryman, William Clayton Brand
  • Patent number: 8049959
    Abstract: Various embodiments described herein comprise a scope for a firearm having a large range of zoom. The scope comprising a movable zoom selector for adjusting magnification of an image viewed through the scope. The scope further comprises an objective, an ocular, and an erector assembly positioned between the objective and ocular. The erector assembly comprises at least three optical elements movable relative to one another in response to operation of the zoom selector.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: November 1, 2011
    Assignee: Leupold & Stevens, Inc.
    Inventor: Mark Thomas
  • Patent number: 8045269
    Abstract: An optical filter has a multilayer thin film comprising first to i-th layers stacked in alternate layers of high and low refractive indices on a transparent substrate. Respective odd-numbered layers (high refractive index layers) and respective even-numbered layers (low refractive index layers) form repetitive sequences of layers each of which cyclically changes in optical thickness throughout the multilayer thin film. Each of k-th from-the-bottom alternate layers of high and low refractive indices has such an optical thicknesses as meet the following conditional expressions (1) and (2), concurrently: n×d=(.c/4)×[1+sin{(k?1)×.}×.]??(1) 0 . . . <1 ??(2) where .c is the center wavelength of reflection band, n is the refraction index of the layer for the d-line, d is the physical thickness of the layer, . is a factor of a pitch angle represented by 2./the number of layers a one layer-stack, . is the rate of amplitude.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: October 25, 2011
    Assignee: Fujinon Corporation
    Inventor: Shuji Akiya
  • Patent number: 8042958
    Abstract: A protective automatic darkening filter (ADF) includes automatic power management capabilities. The ADF includes a power management control unit that controls power to the ADF based on whether or not the ADF is currently in use. In one embodiment, to determine whether the ADF is in use, the power management control unit includes a motion sensor that senses movement of the ADF and controls power to the ADF based on the sensed movement.
    Type: Grant
    Filed: November 9, 2009
    Date of Patent: October 25, 2011
    Assignee: 3M Innovative Properties Company
    Inventor: Ingvar Sundell
  • Patent number: 8045262
    Abstract: The present invention relates to a laser scanning microscope that can generate an arbitrary control signal without depending on the configuration of the hardware. A memory 64 has a bit width wider than a bit width of drive data based on a drive table for generating a drive signal X for driving a scanner, which is driven by a drive circuit 66X, to scan a designated scanning area at a designated speed, and stores the drive table, and a controller 61 sets a control signal for controlling a predetermined operation in a predetermined mechanism that has a strict time relationship with the scanning based on the drive data, in bits in the bit width of the memory 64X, excluding the bits used by the drive data, and these mechanisms perform the predetermined operation based on the control signal that is read simultaneously when the drive data is read from the memory 64X. The present invention can be applied to a confocal laser scanning microscope that observes a sample by performing scanning with laser light.
    Type: Grant
    Filed: June 11, 2010
    Date of Patent: October 25, 2011
    Assignee: Nikon Corporation
    Inventor: Hiroshi Kishimoto
  • Patent number: 8045266
    Abstract: Provided is a binocular loupe capable of adapting to current vision of a worker of a medical operation or precise operation in operating. The binocular loupe has frame means, a pair of binocular loupe bodies, attaching means for fixing the binocular loupe bodies to the frame means, focus adjusting means for adjusting a focal length of each of the binocular loupe bodies, and supporting means for detachably attaching the focus adjusting means to eyepiece portions of the binocular loupe bodies.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: October 25, 2011
    Assignees: ACP Japan, Co., Ltd.
    Inventor: Shoichi Nakamura
  • Patent number: 8040596
    Abstract: The invention relates to an epi-illumination optical system for microscopes which relies upon a Köhler illumination system using a collective lens array, having simplified adjustment function capable of adjusting the image position of a light source to the back focal position of each microscope objective lens in operable association with microscope objective lens replacement. The invention provides an epi-illumination optical system for microscopes, with an objective lens serving as a condenser lens, which comprises a light source, a collimate lens, and a lens array. The epi-illumination optical system further comprises a projection optical system adapted to project an image of light source formed by collective lens array. The projection optical system comprises a partial optical system movable in an optical axis direction, so that the imaging position for the image array of light source is adjustable to the back focal position of the objective lens.
    Type: Grant
    Filed: June 13, 2007
    Date of Patent: October 18, 2011
    Assignee: Olympus Corporation
    Inventor: Masayuki Mizusawa
  • Patent number: 8040605
    Abstract: In a transmission grating as a dispersive element, diffraction efficiency is enhanced and manufacturing costs are considerably reduced. A dispersive element includes resin members for forming a diffraction grating, being composed of a plurality of diffraction grating members having a cross-sectional shape respectively surrounded by two straight lines such as a triangular shape, and metal members as light-shielding members each being formed on corresponding one of the diffraction grating members at one side of the diffraction grating member along any of the straight line and the curved line of the cross-sectional shape of the diffraction grating member formed by the resin member. The metal members are configured to reduce zero-order transmitted light with respect to incident light, and to enhance diffraction efficiency of first-order transmitted light.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: October 18, 2011
    Assignee: International Business Machines Corporation
    Inventors: Yoichi Taira, Daiju Nakano
  • Patent number: 8040606
    Abstract: In a transmission grating as a dispersive element, diffraction efficiency is enhanced and manufacturing costs are considerably reduced. A dispersive element includes resin members for forming a diffraction grating, being composed of a plurality of diffraction grating members having a cross-sectional shape respectively surrounded by two straight lines such as a triangular shape, and metal members as light-shielding members each being formed on corresponding one of the diffraction grating members at one side of the diffraction grating member along any of the straight line and the curved line of the cross-sectional shape of the diffraction grating member formed by the resin member. The metal members are configured to reduce zero-order transmitted light with respect to incident light, and to enhance diffraction efficiency of first-order transmitted light.
    Type: Grant
    Filed: September 3, 2009
    Date of Patent: October 18, 2011
    Assignee: International Business Machines Corporation
    Inventors: Yoichi Taira, Daiju Nakano