Color filter for a solid state imaging device
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United States of America Patent
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Nov 21, 1989
Issued Date -
N/A
app pub date -
Jun 8, 1988
filing date -
Jun 29, 1981
priority date (Note) -
Expired
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Abstract
A color filter, particularly a color filter for a solid state imaging device, comprising a dyeable resin layer, a plurality of variously colored dyed-areas formed in the dyeable resin layer, a plurality of non-dyed areas separating the dyed area from each other in the dyeable resin layer, and a plurality of photo-interception areas formed on the non-dyed areas is disclosed. The dyed areas are generally separated from each other by a distance greater than the diffusion length generated during dyeing or heat treatment. The dyed areas can also be spread under the photo-interception areas by a distance substantially equal to the diffusion length generated during dyeing or heat treatment.
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