Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2005-11-14
2008-11-11
Tsai, H. Jey (Department: 2812)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S217000, C257SE29193
Reexamination Certificate
active
07449379
ABSTRACT:
On an insulation layer12formed on a silicon substrate10, there are formed in an NMOS transistor region16an NMOS transistor14comprising a silicon layer34, a lattice-relaxed silicon germanium layer22formed on the silicon layer34, a tensile-strained silicon layer24formed on the silicon germanium layer22and a gate electrode28formed on the silicon layer24with a gate insulation film26formed therebetween and in a PMOS transistor region20a PMOS transistor18comprising a silicon layer34, a compression-strained silicon germanium layer formed on the silicon layer34and a gate electrode28formed on the silicon germanium layer36with a gate insulation film26formed therebetween.
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Chinese Office Action dated May 9, 2008, corresponding to Chinese Application No. 038265982.
Mishima Yasuyoshi
Ochimizu Hirosato
Fujitsu Limited
Tsai H. Jey
Westerman, Hattori, Daniels & Adrian , LLP.
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