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Additional
silicon wafer
English Wikipedia - The Free Encyclopedia
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Wafer (electronics)
A
wafer
, also called a
slice
or
substrate
, is a thin slice of
semiconductor material
, such as a
crystalline silicon
, used in
electronics
for the
fabrication
of
integrated circuits
and in
photovoltaics
for conventional, wafer-based
solar cells
. The wafer serves as the
substrate
for
microelectronic
devices built in and over the wafer and undergoes many
microfabrication
process steps such as
doping
or
ion implantation
,
etching
,
deposition
of various materials, and
photolithographic
patterning. Finally the individual microcircuits are separated (
dicing
) and
packaged
.
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