Fishing – trapping – and vermin destroying
Patent
1994-06-28
1995-07-11
Fourson, George
Fishing, trapping, and vermin destroying
H01L 2176
Patent
active
054321182
ABSTRACT:
Field isolation regions are formed using oxidation-resistant spacers or plugs that completely fill trenches within a semiconductor substrate prior to forming the field isolation regions. The spacers or plugs help to reduce encroachment of the field isolation regions under the spacers or plugs. The structure used as an oxidation mask for the field isolation process may include a silicon-containing member that is thicker than an overlying oxidation-resistant member. The thicker silicon-containing member may be capable of tolerating higher stress before defects in an underlying pad layer or substrate are formed.
REFERENCES:
patent: 4508757 (1985-04-01), Fabricius et al.
patent: 5108946 (1992-04-01), Zdebel et al.
patent: 5308784 (1994-05-01), Kim et al.
Ghezzo, et al.; "Laterally Sealed LOCOS Isolation;" J. Electrochem. Soc.: Solid-State Science and Technology; pp. 1475-1479 (1987).
Kuang Yi Chiu; "SWAMI: A Zero-Encroachment Local Oxidation Process;" Aug. '82 Hewlett-Packard Journal.; pp. 31-32 (1982).
Orlowski Marius K.
Wimmer Karl
Fourson George
Meyer George R.
Motorola Inc.
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