04541003 is referenced by 180 patents and cites 5 patents.

The present invention relates to a semiconductor device having a semiconductor element which is sealed by a ceramic package, wherein a shielding member is provided near it from upper surface of the semiconductor element to shield the alpha-particles radiated from the package.

Title
Semiconductor device including an alpha-particle shield
Application Number
94914
Publication Number
4541003
Application Date
June 14, 1982
Publication Date
September 10, 1985
Inventor
Shinji Ohnishi
Kokubunji
JP
Masao Sekibata
Kunitachi
JP
Kazumichi Mitsusada
Kodaira
JP
Kanji Otsuka
Higashiyamato
JP
Agent
Antonelli Terry & Wands
Assignee
Hitachi
JP
IPC
H01L 23/08
H01L 27/04
G11C 11/40
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