Teijin Limited

Mitutoyo Corporation

Teijin Dupont Films Japan Limited

Matsushita Electric Industrial Co., Ltd.

Tokyo Electron Limited

Toyobo Co., Ltd.

Koji Kubo

Hirofumi Murooka

Masahiko Kosuge

Yuko Shishido

Tatsuya Nagahama

Tetsuo Yoshida

Kinji Hasegawa

Yoshitaka Tanaka

Shinji Yano

Shiro Igasaki

Taro Oya

Manabu Kimura

Yukihiko Minamihira

Tomoko Shimizu

Nobuo Ohba

Takahisa Ootake

Tetsuya Hasegawa

Rei Nishio

Hiroshi Hara

Sadayuki Matsumiya

Satoru Yoshida

Yoshihiko Asai

Kenji Okabe

Hideshi Kurihara

Hiroki Matsui

Hiroshi Sakai

Makoto Handa

Tetsuo Ichihashi

Takanori Miyoshi

Hidemitsu Asano

Masanori Arai

Mitsuo Tojo

Shinya Komura

Takeo Asai

Yutaka Watanabe

Jyota Miyakura

Kimihiko Sato

Hitoshi Isobe

Yuki Kurahashi

Katsuyuki Hashimoto

Atsushi Usami

Kei Mizutani

Masaki Okayasu

Takafumi Kudo

Masafumi Yamanaka

Nobuo Minobe

Nobuya Kaneko

Iwao Kumasaka

Satoru Kotani

Takashi Nakahiro

Yuji Tsunoda

Norihiko Masuda

Yuya Okada

Kei Mitzutani

Naoto Oita

Chiharu Hirose

Satoshi Kitazawa

Takeshi Asada

Shigeyuki Watamabe

Shunsuke Kubota

Makoto Suzuki

Kazutoshi Ishii

Masayuki Yoshii

A laser processing machine includes: a variable focal length optical system in which a focus position is periodically changed in response to a drive signal to be inputted; a position-detection light source configured to emit a detection light onto a workpiece through the variable focal length optical system; a light detector configured to receive the detection light reflected on the workpiece and output a light detection signal; a signal processor configured to output a synchronization pulse signal in synchronization with the focus timing when the detection light is focused on the surface of the workpiece in accordance with the inputted light detection signal; and a laser oscillator configured to oscillate a pulse laser beam in accordance with the inputted synchronization pulse signal to radiate the pulse laser beam on the workpiece through the variable focal length optical system.

Laser processing machine

A paint substitute film comprises a base film, a colored layer, and a hard coat layer, wherein the base film, the colored layer, and the hard coat layer are laminated in this order. The base film contains thermoplastic resin and concealing material. Refractive index of the concealing material is not less than 1.70. Scattering coefficient from wavelength 400 nm to 700 nm of the base film is not less than 0.20 &#x3bc;m. Contrast ratio of the base film when at 20% elongation is not less than 0.70.

Paint substitute film, composite film, laminated metal plate, processed article, and molded article

The present invention provides: a surface-coated film which is for being integrally formed with a fiber impregnation resin; a surface-coated fiber-reinforced resin molded product; and a manufacturing method thereof. The surface-coated film has a base film B and an easily adhesive layer A provided on the base film B, wherein the base film B has a flat layer band an easily molded layer badjacent to the easily adhesive layer A, the thickness of the easily adhesive layer A is 30-250 nm, the thickness of the base film B is 50-500 &#x3bc;m, the easily molded layer band the flat layer bsatisfy both expression 1 of 3&#x2264;ratio (EHb/EHb) of storage elastic modulus EHbof flat layer bat 150&#xb0; C. to storage elastic modulus EHbof easily molded layer bat 150&#xb0; C., and expression 2 of 1,000 MPa&#x2264;storage elastic modulus ELbof easily molded layer bat 23&#xb0; C.

Surface-coated film, surface-coated fiber-reinforced resin molded product, and manufacturing method thereof

A laminated body in which a thermoplastic resin layer, a thermosetting resin layer, and a protective film are layered one on another in this order, in which the thermosetting resin layer contains a thermosetting resin composition containing two or more kinds of organometallic complex, a surface of the protective film at an opposite side of the thermosetting resin layer has a surface roughness Ra of 30 nm or less, and an amount of nitrogen atoms present at the surface of the protective film at the side of the thermosetting resin layer is less than 1 atm %.

Laminated body, method of producing metal member, and method of producing resin member

A variable focal length lens apparatus is provided with a variable focal length lens in which a focusing position periodically changes in response to a drive signal that is input; a light source that emits detection light at an object via the variable focal length lens; an photodetector that receives the detection light that is reflected by the object, and outputs a light detection signal; a signal processor that, based on the light detection signal that is input, outputs a light emission signal that is synchronized to a focusing time point where the detection light is focused on a surface of the object; an illuminator that provides pulse illumination to the object with illuminating light, based on the light emission signal that is input; and an image capturer that captures an image of the object through the variable focal length lens.

Variable focal length lens apparatus

A variable focal length optical system includes: an imaging lens configured to condense a parallel beam of light from an objective lens to form an intermediate image; a relay system including, in sequence from an object side, a first relay lens and a second relay lens and configured to relay the intermediate image to infinity; and a lens system of a liquid resonant type which is located between the first relay lens and the second relay lens. A front principal point of the lens system is located to be conjugated with an exit pupil of the objective lens and an expression, 1.90&#x2264;f/f&#x2264;2.15, is satisfied. In the expression, fdenotes a focal length of the imaging lens and fdenote a focal length of the first relay lens.

Variable focal length optical system

A variable focal length lens apparatus includes an objective lens and an imaging lens that are aligned on the same optical axis; a front side lens system and a rear side lens system that are disposed in a section between the objective lens and the imaging lens on the optical axis, and change a refractive index in accordance with an input drive signal; and a diaphragm disposed in the section between the front side lens system and the rear side lens system on the optical axis.

An image measurement apparatus, which functions as a non-contact profile-measuring device, includes: an image sensor as an image pick-up device; a variable focal length lens (liquid lens unit) disposed on an optical axis extending from a workpiece to the image sensor; and a controller (image-pickup lens controller and image measurement processor) configured to control the variable focal length lens and process a detected image by the image sensor. The image measurement apparatus, which also functions as a non-contact displacement-detecting device, includes: an image sensor; a variable focal length lens (liquid lens unit) disposed on an optical axis extending from the workpiece to the image sensor; and a controller (displacement-detection lens controller and profile measurement processor) configured to control the variable focal length lens and a detected image by the image sensor.

Image pick-up device, image measurement apparatus, non-contact displacement-detecting device and non-contact profile-measuring device

A non-contact displacement sensor includes a focus timing calculator that, calculates a measurement-side focus timing at which measurement light is focused on a surface of a measurable object, a first reference-side focus timing at which reference light is focused on a first reference surface, and a second reference-side focus timing at which the reference light is focused on a second reference surface; a characteristics calculator that calculates the refractive index characteristics of a liquid lens apparatus based on the first reference-side focus timing, the second reference-side focus timing, and an optical path length difference; and a position calculator that calculates a position of the measurable object based on the refractive index characteristics and a phase of the measurement-side focus timing relative to a period of a drive signal.

Non-contact displacement sensor

A variable focal length lens device includes: a lens system whose refractive index changes depending on an inputted drive signal; an objective lens disposed in an optical axis common to the lens system; an image detector for detecting an image of a target object through the lens system and the objective lens; a resonance-lock controller for locking the frequency of the drive signal to a resonance frequency of the lens system; and a resonance-lock operation unit for switching enabling and suspending the resonance-lock controller.

Variable focal length lens device and variable focal length lens control method

A non-contact type displacement sensor includes a light source that emits measurement light; a liquid lens apparatus in which a refractive index periodically changes in response to an input drive signal; an objective lens emitting, at a measurable object, the measurement light that is emitted from the light source and has passed through the liquid lens apparatus; a photodetector receiving the measurement light that is reflected by the measurable object and outputs a photodetection signal; and a signal processor (controller) that calculates focus timing with which the measurement light is in focus on a surface of the measurable object based on the photodetection signal output from the photodetector, and that obtains a position of the measurable object based on a phase of the focus timing with respect to a cycle of the drive signal.

Non-contact type displacement sensor

A reflective polarizing film for a liquid crystal display polarizer that has a high polarization performance and eliminates a hue shift at an oblique azimuth of 45&#xb0;, a polarizer for a liquid crystal display composed of the same, an optical member for a liquid crystal display, and a liquid crystal display are provided. In a reflective polarizing film for a liquid crystal display polarizer composed of a uniaxially stretched multi-layer laminate film in which a first layer and a second layer are alternately laminated, the reflective polarizing film has a polarization degree of 99.5% or more and an amplitude of a transmittance waveform of 2.0% or less in a wavelength range of 450 to 650 nm measured with respect to the polarized light incident at an incident angle of 60&#xb0; on an incident plane including an azimuth angle of 45&#xb0;, among polarized light components parallel to the transmission axis.

Reflective polarizing film for liquid crystal display polarizer, polarizer for liquid crystal display comprising same, optical member for liquid crystal display, and liquid crystal display

A chromatic confocal sensor includes: a light source portion that emits a plurality of light beams having different wavelengths; a plurality of optical heads that converge the plurality of light beams emitted from the light source portion at different focal positions and emit measurement light reflected by a measurement point at the focal positions; a spectrometer including a line sensor, and an optical system that includes a diffraction grating that diffracts a plurality of measurement light beams emitted from the plurality of optical heads, and emits the plurality of measurement light beams diffracted by the diffraction grating to a plurality of different light-receiving areas of the line sensor; and a position calculation portion that calculates a position of a plurality of measurement points as a measurement target of the plurality of optical heads based on a light-receiving position of the plurality of light-receiving areas of the line sensor.

Chromatic confocal sensor and measurement method

A chromatic confocal sensor includes a light source portion that emits a plurality of light beams having different wavelengths; an objective lens that converges the plurality of light beams at different focal positions; an emission port from which measurement light reflected by an object to be measured at the focal positions out of the plurality of light beams is emitted; a position calculation portion that calculates a position of the object to be measured based on the emitted measurement light; an observation portion including an observation light source that emits observation light and an image sensor; and a beam splitter that emits at least a part of the measurement light that passes through the objective lens to the emission port and emits at least a part of the observation light that passes through the objective lens and is reflected by the object to be measured to the image sensor.

Chromatic confocal sensor

Provided is a chromatic confocal sensor including: a first light source that emits measurement light including a plurality of light beams having different wavelengths; a second light source that emits a visible light beam having a predetermined wavelength; an optical head that causes incident light to be converged at a focal position corresponding to a wavelength of the incident light and outputs reflection light reflected by an object to be measured at the focal position; a position calculation section that calculates a position of the object to be measured on the basis of the reflection light output by the optical head; and a switching section that selectively switches between a first operation in which only the measurement light enters the optical head and a second operation in which at least the visible light beam enters the optical head.

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Tokyo, Japan

Koji Kubo