Semiconductor device manufacturing: process – Coating with electrically or thermally conductive material – To form ohmic contact to semiconductive material
Reexamination Certificate
2011-08-30
2011-08-30
Garber, Charles (Department: 2812)
Semiconductor device manufacturing: process
Coating with electrically or thermally conductive material
To form ohmic contact to semiconductive material
C257SE21585
Reexamination Certificate
active
08008189
ABSTRACT:
A semiconductor device manufacturing method, includes the steps of forming an insulating film over a semiconductor substrate, thinning selectively a thick portion, whose film thickness is thicker than a reference value, of the insulating film, forming contact holes in a thinned portion of the insulating film25, and forming conductive plugs in the contact holes.
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Fujitsu Semiconductor Limited
Garber Charles
Patel Reema
Westerman Hattori Daniels & Adrian LLP
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