Semiconductor device manufacturing: process – Making device or circuit responsive to nonelectrical signal – Responsive to electromagnetic radiation
Reexamination Certificate
2008-12-18
2010-12-28
Garber, Charles D (Department: 2812)
Semiconductor device manufacturing: process
Making device or circuit responsive to nonelectrical signal
Responsive to electromagnetic radiation
C438S005000, C438S066000, C438S073000, C438S097000, C136S244000, C136S255000, C136S258000, C257SE21001, C257SE21122, C257SE21568
Reexamination Certificate
active
07858430
ABSTRACT:
In aspects of the present invention, a method is disclosed to form a lamina having opposing first and second surfaces. Heavily doped contact regions extend from the first surface to the second surface. Generally the lamina is formed by affixing a semiconductor donor body to a receiver element, then cleaving the lamina from the semiconductor donor body wherein the lamina remains affixed to the receiver element. In the present invention, the heavily doped contact regions are formed by doping the semiconductor donor body before cleaving of the lamina. A photovoltaic cell comprising the lamina is then fabricated. By forming the heavily doped contact regions before bonding to the receiver element and cleaving, post-bonding high-temperature steps can be avoided, which may be advantageous.
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Herner S. Brad
Hilali Mohamed M.
Petti Christopher J.
Ahmadi Mohsen
Garber Charles D
The Mueller Law Office, P.C.
Twin Creeks Technologies, Inc.
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