Sony Corporation

Lintec Corporation

Other

Toppan Printing Co., Ltd.

Teijin Chemicals Limited

Tomomi Yukumoto

Takeshi Yamasaki

Toshiyuki Kashiwagi

Motohiro Furuki

Yuji Akiyama

Shoji Akiyama

Kazuya Katoh

Kotaro Kurokawa

Masanobu Yamamoto

Masayuki Taniguchi

Daisuke Ueda

Junichi Shibata

Masaru Fujii

Satoru Shoshi

Hideo Senoo

Yuichi Aki

Koichi Yasuda

Toshihiro Nakajima

Sou Miyata

Shin Kubota

Yuki Hongo

Hiroshi Umeyama

Takuya Hayasaka

Eijiro Kikuno

Motohisa Haga

Toshiro Kinoshita

Masanori Okazaki

Masahiro Hosoi

Kazuo Yahata

To provide a high-quality and high-performance micro-channel device which can be manufactured by a simple method. Provided is a micro-channel device used in analyzing a sample. The micro-channel device includes at least two substrates and an elastic film interposed between the two substrates. The substrates are thermally fused to the elastic film in at least a part thereof. Also provided is a method for manufacturing a micro-channel device used in analyzing a sample. The method includes a surface activation step of activating a joining surface of a substrate and/or an elastic film, a lamination step of laminating the elastic film between at least two of the substrates, and a thermal fusion step of thermally fusing the substrates to the elastic film in at least a part thereof.

Micro-channel device and method for manufacturing micro-channel device

There is provided a microchip including at least two substrates each comprising a thermoplastic resin, and at least one member comprising a material having a heat distortion temperature higher than a heat distortion temperature of the thermoplastic resin, the at least one member including at least one engagement end including a protrusion extending between the at least two substrates, wherein the at least one member is fixed to the at least two substrates by the protrusion being held between the at least two substrates by at least one wall surface that is thermally deformed by thermocompression.

Microchip manufactured with thermocompression

There is provided a composite structure including: at least two substrates which are made of thermoplastic resin and which are bonded by thermocompression; and at least one member which is made of a material whose heat distortion temperature is higher than a heat distortion temperature of the thermoplastic resin and which is inserted into a space formed in at least one of the substrates. The member inserted in the space is fixed and held by wall surfaces which form the space of the substrates and which are thermally deformed by thermocompression.

Composite structure and manufacturing method therefor

An optical disc () includes a substrate (), which is formed from either a resin-impregnated paper produced by impregnating a paper with a resin, or a resin-coated paper produced by coating a surface of a paper with a resin, and a recording layer (), wherein the resin contains at least one resin selected from the group consisting of polycarbonates, bisphenol A epoxy resins, copolymers of methyl methacrylate and styrene, and copolymers of acrylonitrile and styrene. Furthermore, a method of manufacturing an optical disc () includes: providing a recording layer sheet by forming tracks on a recording base material; and bonding the recording layer sheet to a resin-impregnated paper or a resin-coated paper, thereby providing a recording layer () formed from the recording layer sheet on the substrate ().

Optical disc and method of manufacturing same

The present invention relates to an optical disc for use as a recording medium in an optical disc drive, which has a transparent protection film () formed on a recording layer on one plane of the disc substrate () and a printing label filmbeing of approximately the same film quality and film structure as the transparent protection film () formed on the other plane thereof. The printing label film () is a synthetic resin film made mainly of polycarbonate and formed on the disc substrate by screen printing, etc. Thus, the optical disc has the same film quality and film structure on the respective one and the other planes, which prevents occurrence of skew caused by the deformation due to the asymmetry of the structure along the thickness direction of the optical disc. The optical disc has a function to present contents of information recorded therein with the printing label film provided on the other plane of the disc substrate.

Optical disk

A coating composition containing a solvent and a coating agent having an ionizing radiation-curable compound as a principal component thereof, wherein under the following condition for the concentration a (wt %) of the coating agent in the coating composition0&#x3c;a&#x2266;60,the concentration a of the coating agent and the surface tension b (dyne/cm) of the coating composition satisfy the following relationship&#x2266;(&#x2212;/15)+26,is applied onto a surface of a protective filmand curing is carried out to form a hard coating layer. Even in the case that projections or foreign bodies are present on the surface of the protective film, the hard coating layercan conceal these and hence can have high surface smoothness.

Coating composition, coating film, method of manufacturing coating film, and optical recording medium

An optical recording medium capable of suppressing warps arising during a long time use and a method of producing the same, which has the configuration of comprising a substrate, an optical recording layerformed on the substrateand a light transmitting protective filmformed on the optical recording layer, wherein the protective filmincludes a polymer filmhaving a thermal shrinkage coefficient of 0.02% or less and an adhesive layerfor adhering the polymer filmto the optical recording layer. As the polymer film, those produced by a melt cast method, subjected to annealing processing in advance or having a residual solvent of 0.3% by weight or less in the film may be preferably used.

Optical recording medium and method of producing the same

An optical recording medium capable of suppressing film thickness irregularity of interlayer between a plurality of optical recording layers and effects of warps of a transfer substrate and arising of dusts and burrs problems, etc. and a method of producing the optical recording medium are provided. An optical recording medium has a structure wherein at least two optical recording layers () stacked via an interlayerand a light transmitting layerprovided on the optical recording layer are provided at least one surface of a medium substrate, for performing recording and reproducing by irradiating a light to the optical recording layers () through the light transmitting layer, and the interlayer includes at least one layer of ultraviolet curing resin film made to be a film in advance and is a film formed with an uneven shape corresponding to a recording pit or an uneven shape () to be a guide groove on its surface and cured.

Optical recording medium having substantially uniform interlayer structure

A wound laminate obtained by laminating a plastic film composed of an aromatic polycarbonate comprising bisphenol A as an aromatic dihydroxy component, and a protective film composed of an aromatic polyester, using an intervening adhesive having a weak adhesive strength of 3-50 gf (0.0294-0.49 N), and winding the laminate. The wound laminate is used as a transparent protective layer (protective film) for an optical disk to fabricate a film surface side-incident optical disk.

Laminate roll

A laminating apparatusfor a DVR as an optical disc comprises front side peeling meansfor peeling a protective film Pfrom a protective label L having the protective film Pand a release-liner D adhered thereto, a peel platefor peeling off the release-liner D from the protective label L from which the protective film Phas been peeled, and laminating meansfor laminating the protective label L after the peeling of the protective film Pand the release-liner D to a DVR recording substrate by laminating the protective label L to the DVR recording substrate B with a predetermined pressing force.

Laminating apparatus for optical disc

An optical disc-producing sheet, which has an adhesive layerhaving a specific heat capacity after curing of not more than 1.9 J/g&#xb7;&#xb0; C. at 80&#xb0; C. and a protective sheet, is laminated onto an information recording layer(a laminate of a reflecting layer, a dielectric layer, a phase change layerand a dielectric layer') formed on an optical recording medium substrate. According to this optical disc, recorded information can be reproduced accurately even in the case that recording/erasure or reproduction of information has been carried out repeatedly.

Optical recording medium-producing sheet and optical recording medium

An optical recording medium capable of improving uniformity of thickness of a protective film and suppressing warping. The medium is configured to include a substrate, an optical recording film formed on the substrate, and a light transmitting protective film formed above the optical recording layer, wherein the protective film includes a polymer sheet produced by melt casting and an adhesive layer for bonding the polymer sheet to the optical recording layer. As the polymer sheet, a polycarbonate sheet, a cyclic polyolefin sheet, etc. can be used. As the adhesive layer, an ultraviolet curing resin, a heat curing resin, an epoxy resin-based adhesive agent or a pressure-sensitive tackiness agent may be used alone or mixed or stacked.

Method of producing an optical recording medium

An initialization method of an optical recording medium having a plurality of optical recording layers capable of reducing uneven initialization due to light interference caused at the time of initialization without deterioration of information recording/reproducing signal characteristics of the recording layers is provided. An initialization method of an optical recording medium, wherein a second optical recording layer and a first optical recording layer are successively stacked via an interlayer on a substrate, a protective layer is formed further on the first optical recording layer, a recording film in the first optical recording layer comprises a phase change type recording material, and a recording/reproducing light is irradiated from the protective film side at the time of recording/reproducing, a material composing the interlayer has a sufficient transmittance for a wavelength of the recording/reproducing light and absorption for an initializing light, and, in a step of initializing by irradiating an initializing light on the first optical recording layer from the protective film side, laser light having a wavelength range of 200 nm to 400 nm is used as the initializing light.

Growing community of inventors

Chiba, Japan

Tomomi Yukumoto