Optical: systems and elements – Optical aperture or tube – or transparent closure
Reexamination Certificate
2005-05-17
2005-05-17
Epps, Georgia (Department: 2873)
Optical: systems and elements
Optical aperture or tube, or transparent closure
C257S680000, C257S704000
Reexamination Certificate
active
06894853
ABSTRACT:
An improved window frame and window piece for a micromirror assembly is disclosed herein. The window frame includes a stress-relieving contour positioned in the middle of the frame that can absorb the mechanical stresses applied to the window frame from the ceramic base and from the window piece. The window frame may be comprised of a single piece of sheet metal that has been stamped to include a stress-relieving contour. The stress-relieving contour may be comprised of a variety of shapes, including a “U” shape, an inverted “U” shape, a curved step shape, or other combinations thereof.
REFERENCES:
patent: 5508740 (1996-04-01), Miyaguchi et al.
patent: 5936758 (1999-08-01), Fisher et al.
patent: 6028351 (2000-02-01), Klonis et al.
patent: 6323982 (2001-11-01), Hornbeck
patent: 6627814 (2003-09-01), Stark
patent: 6639313 (2003-10-01), Martin et al.
patent: 55166939 (1980-12-01), None
patent: 56-56656 (1981-05-01), None
Armstrong Frank O.
Estabrook Daniel C.
Farris Jeffrey E.
Fisher Edward Carl
Haskett Bradley Morgan
Brady III Wade James
Brill Charles A.
Choi William
Epps Georgia
Telecky , Jr. Frederick J.
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