Method for manufacturing a semiconductor device including a...

Semiconductor device manufacturing: process – Introduction of conductivity modifying dopant into... – Ion implantation of dopant into semiconductor region

Reexamination Certificate

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C257S610000, C257SE21645

Reexamination Certificate

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07879702

ABSTRACT:
A method for manufacturing a semiconductor device includes the consecutive steps of selectively implanting first-conductivity-type impurities into a silicon substrate in a memory cell array area to form first source/drain regions, heat treating to diffuse the impurities in the first source/din regions; selectively implanting impurities into the silicon substrate in a peripheral circuit area to form second source/drain regions in the peripheral circuit area.

REFERENCES:
patent: 6461911 (2002-10-01), Ahn et al.
patent: 7572711 (2009-08-01), Park et al.
patent: 2000-357747 (1999-06-01), None
patent: 2001-145087 (2001-05-01), None
patent: 2001-284467 (2001-10-01), None
patent: 2003-006530 (2003-01-01), None
patent: 2003-152071 (2003-05-01), None
patent: 2003-186905 (2003-06-01), None
patent: 2006-120832 (2006-05-01), None
Japanese Office Action. Translation of pertinent information provided.
Japanese Office Action with Translations.

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