Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate
2008-05-20
2008-05-20
Mack, Ricky L (Department: 2873)
Optical: systems and elements
Optical modulator
Light wave temporal modulation
C359S291000, C359S295000, C359S298000
Reexamination Certificate
active
07375872
ABSTRACT:
An image display system includes an improved hinge for a micro-mirror device composed of a conductive doped semiconductor and immune to plastic deformation at typical to extreme temperatures. The hinge is directly connected to the micro-mirror device and facilitates the manufacturing of an optically flat micro-mirror. This eliminates Fraunhofer diffraction due to recesses on the reflective surface of the micro-mirror. In addition, the hinge is hidden from incoming light thus improving contrast and fill-factor. The image display system further includes signal transmission metal traces formed on areas between the doped semiconductor hinges. The signal transmission metal traces are formed either before or after a high temperature crystallization process is applied to the hinges.
REFERENCES:
patent: 6377233 (2002-04-01), Colgan et al.
patent: 2004/0061961 (2004-04-01), Valette
Lin Bo-In
Mack Ricky L
Silicon Quest Kabushiki-Kaisha
Thomas Brandi N
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