Other

Nippon Steel Corporation

Resonac Corporation

Konica Minolta, Inc.

Shohei Yamazaki

Hiroyuki Izawa

Toshiyuki Sugimoto

Koichi Hamada

Tohru Yoshida

Ryuichi Nishimura

Takuya Oishi

A method for classifying solder particles includes: a first step of forming an electric field between a first electrodeand a second electrodeincluded in an electrostatic attraction device, the first electrodehaving a disposition part having electrostatic diffusivity or electrical conductivity, the second electrodehaving an attraction parthaving electrical insulation properties, which faces the disposition part and is provided with a plurality of opening partsopened to the disposition part side, so as to cause solder particles P disposed on the disposition part to be electrostatically attracted to the attraction part; a second step of removing solder particles Pattracted to areas other than the opening partsof the attraction part; and a third step of collecting solder particles Paccommodated in the opening parts, from the attraction partthat has been subjected to the second step.

Solder particle classifying method, solder particle, solder particle classifying system, adhesive composition, and adhesive film

A method for manufacturing a press-formed product suppresses occurrence of a forming defect such as a crack in a starting material during press forming, and also suppresses occurrence of problems when transferring a starting material during press forming. A manufacturing intermediate is formed by forming, in a flat-sheet shaped blank sheet, a planned outline portion including an undulating shape which is used for forming an outline of an outer circumferential portion of a press-formed product. The flat shape of the blank sheet is maintained in a region from the planned outline portion toward the center of the manufacturing intermediate, or an intermediate stretch-formed portion having a predetermined intermediate forming height is formed in the manufacturing intermediate in the region. A through-hole is formed by piercing a flat portion at which the flat shape is maintained or a stretch-formed-side top portion of the intermediate stretch-formed portion.

Method for manufacturing press-formed product

A method for dispersing conductive particles includes: forming an electric field between a first electrode and a second electrode of an electrostatic adsorption device including the first electrode including a disposition part having electrostatic diffusivity or conductivity on which particles are disposed and the second electrode including an adsorption part having electrostatic diffusivity or conductivity and facing the disposition part, to cause a blend particle in which the conductive particles each having a particle size smaller than a particle size of an intermediate particle are attached to the intermediate particle and which is disposed on the disposition part, to reciprocate between the disposition part and the adsorption part, and to cause the conductive particles to be adsorbed onto the adsorption part.

Method for dispersing conductive particles, and electrostatic adsorption device

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Tokyo, Japan

Shohei Yamazaki