Resin sheet

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United States of America

PATENT NO 12247124
APP PUB NO 20230090587A1
SERIAL NO

17792615

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A resin sheet is made using a resin composition containing a thermosetting component (A) and a thermally conductive filler (C). The thermosetting component (A) contains a maleimide resin. A thermal diffusion rate of the thermally cured resin sheet is 1.0×10−6 m2/s or more. When a cross section (P) of the resin sheet taken by cutting the resin sheet in a vertical direction to a surface of the resin sheet is observed in an area (P1), a condition represented by a numerical formula (F1) below is satisfied, the area (P1) being defined by a square whose sides are four times as large as a thickness of the resin sheet and including two surfaces of the resin sheet,

description='In-line Formulae' end='lead'0.25≤Ld/Lt≤1  (F1)description='In-line Formulae' end='tail'

    where Ld is a vertical length of a filler particle having a largest cross-sectional diameter in the vertical direction of the thermally conductive filler (C), and Lt is a length of the resin sheet.

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Patent Owner(s)

  • LINTEC CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Karasawa, Yasunori Tokyo, JP 9 16
Uemura, Kazue Tokyo, JP 28 103
Watanabe, Yasutaka Tokyo, JP 22 80

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