Fujifilm Corporation

Hidehiro Mochizuki

Tatsuo Mikami

Toshio Sasaki

Tetsuya Watanabe

Shuhei Yamaguchi

Toshiyuki Kitahara

Natsumi Yokokawa

Koutarou Takahashi

Tomotaka Tsuchimura

Shuji Hirano

Hiroaki Tsuyama

Masaharu Akiba

Akira Takada

Yasushi Hattori

Masaomi Makino

Naoya Shimoju

Takumi Nakamura

Tadanori Yamada

Toshiya Takahashi

Yutaka Maeno

Eri Takahashi

Shunichi Hoshino

Akiko Henmi

Kazutaka Chibana

There are provided a pearl culture material containing at least one selected from the group consisting of a pearl nucleus and a mantle, and the at least one selected from the group consisting of a pearl nucleus and a mantle contains a protein having 10 EU/g or less of an endotoxin amount, a nucleus insertion method, and a pearl culture material composition.

Pearl culture material, nucleus insertion method, and pearl culture material composition

Provided are a resist composition capable of forming a pattern having excellent pattern collapse performance, particularly in the formation of an ultrafine pattern (for example, a pattern with a line width 50 nm or less) using the resist composition containing a resin (A) having a repeating unit (a) having an aromatic ring group and a repeating unit (b) having a silicon atom in a side chain, as well as a resist film, a pattern forming method, and a method for manufacturing an electronic device, each using the resist composition.

Resist composition, and resist film, pattern forming method, and method for manufacturing electronic device, each using resist composition

The composition contains an alkali-soluble resin and a crosslinking agent that is represented by the following General Formula (I). In the formula, each of Rand Rindependently represents a hydrogen atom or a hydrocarbon group having 5 or less carbon atoms; each of Rand Rindependently represents an alkyl group, a cycloalkyl group, an aryl group, or an acyl group; and each of Rand Rindependently represents a hydrogen atom or an organic group having 2 or more carbon atoms, and Rand Rmay be bonded to each other to form a ring. 

Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, mask blank provided with actinic ray-sensitive or radiation-sensitive film, photomask, pattern forming method, method for manufacturing electronic device, electronic device, compound, and method for producing compound

A pattern forming method including a step of coating a substrate with an actinic ray-sensitive or radiation-sensitive resin composition and forming an actinic ray-sensitive or radiation-sensitive film; a step of simultaneously irradiating the actinic ray-sensitive or radiation-sensitive film with a plurality of electron beams; and a step of developing the actinic ray-sensitive or radiation-sensitive film after the irradiation with electron beams is provided. The composition contains a resin (A), a photoacid generator (B), and an acid diffusion control agent (C) and a molar ratio (Qp) between the photoacid generator (B) and the acid diffusion control agent (C), which is represented by Equation (1) is 0.3 or greater.(molar ratio)=Acid diffusion control agent ()/Photoacid generator ()&#x2003;&#x2003;(1)

Pattern forming method, photo mask manufacturing method, and electronic device manufacturing method

An actinic ray-sensitive or radiation-sensitive resin composition includes an alkali-soluble resin (A) having a phenolic hydroxyl group, and a crosslinking agent (C) having two or more hydroxymethyl groups or alkoxymethyl groups in total within the molecule, wherein the composition contains a crosslinking agent (C1) having a molecular weight of 420 or more and also having two to four hydroxymethyl groups or alkoxymethyl groups in total within the molecule in a proportion of 60 mol % to 100 mol % based on the total amount of the crosslinking agent (C) including the crosslinking agent (C1), and in which the total concentration of the hydroxymethyl groups or the alkoxymethyl groups of the crosslinking agent (C) relative to 1 g of the solid content in the actinic ray-sensitive or radiation-sensitive resin composition is 0.30 mmol/g or more.

Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, mask blank provided with actinic ray-sensitive or radiation-sensitive film, photomask, pattern forming method, method for manufacturing electronic device, and electronic device

The actinic ray-sensitive or radiation-sensitive resin composition includes a crosslinking agent having a polarity converting group and an alkali-soluble resin, in which the polarity converting group is a group capable of decomposing by the action of an alkaline aqueous solution to generate a carboxylic acid or sulfonic acid on the side having a crosslinking group.

Actinic ray-sensitive or radiation-sensitive resin composition, actinic ray-sensitive or radiation-sensitive film, mask blank provided with actinic ray-sensitive or radiation-sensitive film, pattern forming method, method for manufacturing electronic device, electronic device, and compound

A recording material includes a dye-bonded polymer compound which contains a polymer compound to which a one-photon absorption dye is bonded, and a glass transition temperature of the recording material is higher than 200&#xb0; C. An optical information recording medium includes a recording layer and an intermediate layer adjacent to the recording layer, and the recording layer contains the above-described recording material.

Recording material and optical information recording medium

A method for manufacturing a multilayer structure sheet for manufacturing an optical information recording medium having a multilayer structure with a plurality of recording layers comprises: an adhesive layer forming step of forming an adhesive layer on a first release sheet to obtain a first sheet; a recording layer forming step of forming a recording layer containing a polymer on a second release sheet or a release assisting layer formed on the second release sheet to obtain a second sheet; a laminating step of laminating the recording layer of the second sheet on the adhesive layer of the first sheet to obtain a third sheet in which the second sheet is laid on the first sheet; and a heating step of heating the second sheet.

Method for manufacturing multilayer structure sheet, and optical information recording medium

An optical information recording medium includes at least one recording layer. The recording layer includes a recording material comprising a polymer compound to which a one-photon absorption dye is bonded, and a coupling strength &#x394;between the one-photon absorption dye and the polymer compound in the recording material is higher than a coupling strength estimated to be exerted between the same one-photon absorption dye and the same polymer compound if the one-photon absorption dye is dispersed in the polymer compound in the recording material.

Optical information recording medium

The object of the invention is to provide an optical information recording medium which excels in stability e.g., for preserving the properties during a long-term storage and which enables recording using a laser having a small peak power, and a method for manufacturing such an optical information recording medium. An optical information recording mediumincludes a recording layer, and intermediate layers (adhesive agent layerA and recording layer support layerB) adjacent to the recording layer, and the recording layerincludes a recording material comprising a one-photon absorption dye bound to a polymer binder (polymer compound).

Optical information recording medium and method for manufacturing same

The present invention provides a non-resonant two-photon absorption recording material containing a non-resonant polymer two-photon absorption compound, and the non-resonant two-photon absorption recording material wherein the main chain of the non-resonant polymer two-photon absorption compound contains at least one member selected from polystyrene, polyacrylate, polymethacrylate-polyester, polyurethane, polyether and polyimide, and also provides an optical information recording medium having a recording layer containing the recording material.

Non-resonant two-photon absorption recording material, non-resonant polymer two-photon absorption optical information recording medium, and recording/reproducing method

A multilayer structure sheet for manufacturing an optical information recording medium having a multilayer structure with a plurality of recording layers is disclosed. The multilayer structure sheet comprises at least one unit structure in which a pressure sensitive adhesive layer, a recording layer, a recording layer support layer having a glass transition temperature higher than that of the pressure sensitive adhesive layer, and a recording layer are laid one on top of another in this order, and a release sheet is attached to an outside of an outermost pressure sensitive adhesive layer.

Multilayer structure sheet and method for manufacturing same, and optical information recording medium and method for manufacturing optical information recording medium using multilayer structure sheet

An optical information recording mediumcomprises a plurality of recording layers, and intermediate layerseach provided between the recording layers. Each of the recording layersincludes polymer binder and dye dispersed in the polymer binder, and the dye is subject to multi-photon absorption of a recording beam RB having a predetermined wavelength and to linear absorption not smaller than 1.5% per recording layer at the predetermined wavelength of the recording beam. When the dye is irradiated with the recording beam and generates heat by linear absorption and multi-photon absorption of the recoding beam RB, the polymer binder undergoes a change of shape by the generated heat, whereby an interface between the recording layerand the intermediate layer undergoes a change of shape to record information.

Optical information recording medium and method for recording information in optical information recording medium

An optical information recording mediumcomprises a plurality of recording layersand intermediate layerseach provided between the recording layers. Each of the recording layersincludes a polymer binder and dye dispersed in the polymer binder, and a thickness of each recording layer is equal to or greater than 50 nm. A first interface (near-side interface) is formed between a recording layerand an intermediate layerthat is adjacent to the recording layeron one side of the recording layerin a thickness direction of the recording layer, and a second interface (far-side interface) is formed between the recording layerand an intermediate layerthat is adjacent to the recording layeron the other side of the recording layerin the thickness direction of the recording layer. When the dye is irradiated with a recording beam and generates heat by absorption of the recording beam, the polymer binder undergoes a change in shape by the generated heat, so that at least one of the first interface and the second interface undergoes a change in shape and sticks out toward the intermediate layerto form a protrusion, whereby information is recorded in the optical information recording medium

The magnetic recording medium is a particulate magnetic recording medium for heat-assisted recording, as well as includes a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic organic material support and a heat-diffusing layer of higher thermal conductivity than the magnetic layer between the nonmagnetic organic material support and the magnetic layer.

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Odawara, Japan

Hidehiro Mochizuki