Thermal bonding sheet and thermal bonding sheet with dicing tape

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United States of America Patent

PATENT NO 11817415
APP PUB NO 20190148331A1
SERIAL NO

16308931

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Provided are a thermal bonding sheet capable of suppressing inhibition of sintering of sinterable metallic particles by an organic component, thereby imparting sufficient bonding reliability to a power semiconductor device, and a thermal bonding sheet with a dicing tape having the thermal bonding sheet. A thermal bonding sheet has a precursor layer that is to become a sintered layer by heating, and the precursor layer includes sinterable metallic particles and an organic component, the precursor layer has a phase separation structure that is a sea-island structure or a co-continuous structure, and in a SEM surface observation image on at least one surface of the precursor layer, a maximum value among each diameter of the largest inscribed circle for a region occupied by each phase of the phase separation structure is 1 μm or more and 50 μm or less.

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Patent Owner(s)

Patent OwnerAddress
NITTO DENKO CORPORATION1-1-2 SHIMOHOZUMI IBARAKI-SHI OSAKA 567-8680

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Honda, Satoshi Ibaraki, JP 100 1805
Kamakura, Nao Ibaraki, JP 12 52
Sugo, Yuki Ibaraki, JP 52 170

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