Semiconductor device manufacturing: process – Introduction of conductivity modifying dopant into... – Ion implantation of dopant into semiconductor region
Reexamination Certificate
2011-02-01
2011-02-01
Landau, Matthew C (Department: 2813)
Semiconductor device manufacturing: process
Introduction of conductivity modifying dopant into...
Ion implantation of dopant into semiconductor region
C257S610000, C257SE21645
Reexamination Certificate
active
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.
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patent: 2006-120832 (2006-05-01), None
Japanese Office Action. Translation of pertinent information provided.
Japanese Office Action with Translations.
Elpida Memory Inc.
Landau Matthew C
McCall Shepard Sonya D
Whitham Curtis Christofferson & Cook PC
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