发明名称 |
SEMICONDUCTOR DEVICE COMPRISING MEMORY CIRCUITS |
摘要 |
A semiconductor device comprising memory circuits coated with a resinous film for shielding these circuits from the radioactive rays formed in substrate material. The resinous film is divided into a plurality of portions which are separated from one another and further coats at least memory cells and sense amplifiers. In one of the embodiments a part of the resinous film is removed at the portion of the chip other than said memory cells and sense amplifiers. |
申请公布号 |
DE3175993(D1) |
申请公布日期 |
1987.04.16 |
申请号 |
DE19813175993 |
申请日期 |
1981.06.16 |
申请人 |
FUJITSU LIMITED |
发明人 |
MIYASAKA, KIYOSHI |
分类号 |
H01L23/29;H01L23/31;H01L23/556;H01L27/108;(IPC1-7):H01L23/54;H01L23/28 |
主分类号 |
H01L23/29 |
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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