Semiconductor device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20060163745A1
SERIAL NO

11340562

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Abstract

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In a semiconductor device according to the present invention, a first bare chip, and a second bare chip having a wider principal surface than that of the first bare chip are connected to one principal surface and the other principal surface of an interposer substrate, respectively. In the semiconductor device, a resin having a larger coefficient of linear expansion than that of the second bare chip is applied to a backgrind surface (a principal surface at an opposite side to the interposer substrate) of the second bare chip, thereby preventing the second bare chip from cracking due to warpage of the interposer substrate.

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Patent Owner(s)

Patent OwnerAddress
ELPIDA MEMORY INC2-1 YAESU 2-CHOME CHUO-KU TOKYO 104-0028

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatasawa, Akihiko Akita, JP 8 40
Takeshima, Hidehiro Akita, JP 10 263
Tsuji, Daisuke Noshiro, JP 23 129
Yamashita, Shiro Fujisawa, JP 32 207

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