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
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