basic ccds :: what
ccds are made from
The original building
block of most modern electronics is silicon; this is the
same for CCD’s. This means that CCD’s can benefit
from the technological advances and equipment that are used
to make very high-volume devices like computers, video games,
and cell phones. No wonder that digital cameras have become
so popular and affordable!
Silicon comes to CCD manufacturers in the form of 4, 5 or
6 inch diameter wafers. In order to create these wafers,
a monocrystal seed is introduced to melted silicon, and
as the seed rotates in the melted silicon, a crystal grows.
After a few days, the monocrystal is slowly extracted, resulting
in a 5-foot-long ingot of silicon. These are then sliced
into wafers by diamond saws.
Images courtesy of Process Specialties Inc. |
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