发明名称 |
CHIP-CARRIER WITH ALPHA RAY SHIELD |
摘要 |
In a chip-carrier provided with a chip-carrier substrate, a chip-carrier cover and an IC chip, said IC chip being arranged at a distance from a circuit surface of the IC chip being directed toward the chip-carrier substrate, an .alpha.-ray shielding film made of film material containing few radioactive elements, and adhered to a surface of the chip-carrier substrate facing the IC chip or to the circuit surface of the IC chip is provided for protecting the IC chip from soft errors caused by .alpha.-rays. |
申请公布号 |
CA2021682(C) |
申请公布日期 |
1995.01.03 |
申请号 |
CA19902021682 |
申请日期 |
1990.07.20 |
申请人 |
NEC CORPORATION |
发明人 |
YAMAGUCHI, YUKIO;TSUJI, MUTSUO |
分类号 |
H01L23/053;H01L23/16;H01L23/556;(IPC1-7):H01L23/552;H01L23/12 |
主分类号 |
H01L23/053 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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