Semiconductor device manufacturing: process – Making device or circuit responsive to nonelectrical signal – Responsive to electromagnetic radiation
Reexamination Certificate
2005-07-05
2005-07-05
Thomas, Tom (Department: 2815)
Semiconductor device manufacturing: process
Making device or circuit responsive to nonelectrical signal
Responsive to electromagnetic radiation
C438S063000, C438S084000, C438S086000
Reexamination Certificate
active
06913943
ABSTRACT:
This invention is a layered thin film semiconductor device comprising a first transparent layer; a thin, second transparent layer having a conductivity less than the first transparent layer; an n-type layer; and a p-type layer comprising one or more IIB and VIA elements. This invention is also a method for making such semiconductor device. The thin film semiconductor devices of this invention are useful for making photovoltaic devices.
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Cunningham Daniel W.
Rubcich Marc P.
BP Corporation North America Inc.
Nemo Thomas E.
Richards N. Drew
Thomas Tom
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