Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit
Reexamination Certificate
2005-10-18
2005-10-18
Nguyen, Tu T. (Department: 2877)
Radiant energy
Photocells; circuits and apparatus
Photocell controlled circuit
Reexamination Certificate
active
06956194
ABSTRACT:
Methods and systems for making an electro-optical device suitable for use in an image forming system are described. The device includes photosensors, which are covered by filter layers, to sense the presence of color in a document. The methods and systems provide for leaving a first filter layer on a non-sensor area to prepare the device for a substantially uniform application of a second filter layer.
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Peurrung, Loni M. et al., “Spin Coating Over Topography.”IEEE Transactions on Semiconductor Manufacturing,vol. 6, No. 1, Feb. 1993, pp.: 73-76.
Fay Sharpe Fagan Minnich & McKee LLP
Nguyen Tu T.
Xerox Corporation
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