Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Patent
1998-07-29
2000-06-13
Lee, John R.
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
250237R, 250239, 257434, 257435, H01J 4014, H01L 310232
Patent
active
060752378
ABSTRACT:
An image sensor package cover with an opaque epoxy silk-screened into it. This epoxy is patterned to the appropriate size, for a particular sensor, to form an integral light shield on the cover, while simultaneously covering to the package. This masks the internal light reflections as well as the prior art methods of using a separate light shield, but eliminates a separate component and the costly labor required to assemble such a product. Such a configuration can be applied to a linear or area type image sensor.
REFERENCES:
patent: 5302818 (1994-04-01), Pezant
patent: 5534725 (1996-07-01), Hur
patent: 5550398 (1996-08-01), Kocian et al.
patent: 5767508 (1998-06-01), Masui et al.
patent: 5945721 (1999-08-01), Tatch
Eastman Kodak Company
Lee John R.
Leimbach James D.
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