Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate
Reexamination Certificate
2007-12-17
2009-12-29
Dang, Phuc T (Department: 2892)
Semiconductor device manufacturing: process
Making field effect device having pair of active regions...
Having insulated gate
C438S236000, C438S253000, C257S306000, C257SE21646
Reexamination Certificate
active
07638389
ABSTRACT:
A semiconductor device capacitor fabrication method that is capable of enabling the simultaneous use of an oxide capacitor and a PIP capacitor of a semiconductor device depending upon whether metal line terminals are used. The semiconductor device capacitor fabrication method can include forming an active region and a first gate electrode over a semiconductor substrate, partially depositing a silicon nitride layer, over which a capacitor will be formed, over the first gate electrode, forming a second gate electrode over the silicon nitride, sequentially forming a first insulation layer and a second insulation layer over the resultant structure and forming line terminals extending through the first insulating layer and the second insulating layer for a transistor and a capacitor.
REFERENCES:
patent: 6444554 (2002-09-01), Adachi et al.
patent: 6699726 (2004-03-01), Hidaka et al.
patent: 10-2002-81798 (2002-10-01), None
patent: 10-2004-41253 (2004-05-01), None
Dang Phuc T
Dongbu Hi-Tek Co., Ltd.
Sherr & Vaughn, PLLC
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