Sony Corporation

Dai Nippon Printing Co., Ltd.

Nippon Telegraph and Telephone Corporation

Sony Corpotation

Hiroki Oka

Chikao Ikenaga

Chiaki Hatsuta

Sachiyo Matsuura

Masato Ushikusa

Hideyuki Okamoto

Takuya Higuchi

Hiromitsu Ochiai

Asako Narita

Shogo Endo

Akira Okada

Takashi Furutani

Hajime Ishihara

Osamu Sasago

Hirofumi Hideshima

Yuriko Tanaka

Machiko Shinozuka

Xiaoxi Zhang

Katsuya Hayashi

A metal plate used for manufacturing a deposition mask has a thickness of equal to or less than 30 μm. An average cross-sectional area of the crystals grains on a cross section of the metal plate is from 0.5 μmto 50 μm. The average cross-sectional area of crystal grains is calculated by analyzing measurement results obtained by an EBSD method, the measuring results being analyzed by an area method under conditions where a portion with a difference in crystal orientation of 5 degrees or more is recognized as a crystal grain boundary.

Metal plate for producing vapor deposition masks, production method for metal plates, vapor deposition mask, production method for vapor deposition mask, and vapor deposition mask device comprising vapor deposition mask

The metal plate includes a plurality of pits located on the surface of the metal plate. The manufacturing method for a metal plate for use in manufacturing of a deposition mask includes an inspection step of determining a quality of the metal plate based on a sum of volumes of a plurality of pits located at a portion of the surface of the metal plate.

Metal plate for manufacturing deposition mask and manufacturing method for metal plate, and deposition mask and manufacturing method for deposition mask

An evaluation device includes a first calculation unit configured to calculate feature quantities of respective words, the feature quantities corresponding to text data in which a target of any goal of the SDGs is described and text data in which an outline of one or more first services for which a contribution to the goal that is clear is described, a generation unit configured to generate a sentence feature matrix based on the feature quantities of the respective words, a second calculation unit configured to calculate, when text data in which an outline of a second service is described is input, feature quantities of respective words, and an evaluation unit configured to evaluate a degree of a contribution of the second service to the goal based on the feature quantities of the respective words relevant to the second service and the sentence feature matrix.

Evaluation apparatus and evaluation method

A deposition mask group includes a first deposition mask having two or more first through holes arranged along two different directions, a second deposition mask having two or more second through holes arranged along two different directions and a third deposition mask having two or more third through holes. The first through hole and the second through hole or the third through hole partly overlap when the first deposition mask, the second deposition mask and the third deposition mask are overlapped.

Deposition mask group, manufacturing method of electronic device, and electronic device

A method for manufacturing a metal plate, the metal plate including a first surface and a second surface positioned on the opposite side of the first surface, may include a step of rolling a base metal having an iron alloy containing nickel to produce the metal plate. The metal plate may include particles containing as a main component an element other than iron and nickel. In a sample including the first surface and the second surface of the metal plate, the following conditions (1) and (2) regarding the particles may be satisfied: (1) The number of the particles having an equivalent circle diameter of 1 &#x3bc;m or more is 50 or more and 3000 or less per 1 mmin the sample, and (2) The number of the particles having an equivalent circle diameter of 3 &#x3bc;m or more is 50 or less per 1 mmin the sample.

Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask

A metal plate includes a surface including a longitudinal direction of the metal plate and a width direction orthogonal to the longitudinal direction. A surface reflectance by regular reflection of a light is 8% or more and 25% or less. The surface reflectance is measured when the light is incident on the surface at an angle of 45&#xb0;&#xb1;0.2&#xb0;. The light is in at least one plane orthogonal to the surface.

Metal plate for producing vapor deposition masks, inspection method for metal plates, production method for metal plates, vapor deposition mask, vapor deposition mask device, and production method for vapor deposition masks

A method for manufacturing a metal plate, the metal plate including a first surface and a second surface positioned on the opposite side of the first surface, may include a step of rolling a base metal having an iron alloy containing nickel to produce the metal plate. The metal plate may include particles containing as a main component an element other than iron and nickel. In a sample including the first surface and the second surface of the metal plate, the following conditions (1) and (2) regarding the particles may be satisfied:

Method for manufacturing metal plate

Projector

Portable recorder

IC recorder

Growing community of inventors

Tokyo, Japan

Hiroki Oka