RADIATION HARDENED SILICON DEVICES USING A NOVEL THICK OXIDE.

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作者
Watanabe, Kikuo [1 ]
Kato, Masataka [1 ]
Okabe, Takahiro [1 ]
Nagata, Minoru [1 ]
机构
[1] Hitachi Ltd, Kokubunji, Jpn, Hitachi Ltd, Kokubunji, Jpn
关键词
FILMS - Dielectric - SEMICONDUCTING SILICON - TRANSISTORS; BIPOLAR;
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摘要
A radiation-hardened thick-oxide technology is proposed. It utilizes a double layer consisting of a thick chemically deposited SiO//2 layer over a thin thermal SiO//2 layer. In npn transistors, a 1. 5 order of magnitude improvement in radiation tolerance is observed when this technology is combined with the use of a highly doped Si surface layer.
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