Optical: systems and elements – Lens – With light limiting or controlling means
Reexamination Certificate
2006-08-01
2006-08-01
Harringtion, Alicia M (Department: 2873)
Optical: systems and elements
Lens
With light limiting or controlling means
Reexamination Certificate
active
07085076
ABSTRACT:
An aperture stop assembly for use in an electromagnetic radiation system may include an aperture stop made of a material at least partly transparent to an applied electromagnetic radiation. At least a portion of the aperture stop may be formed at an edge of an aperture to deflect electromagnetic radiation into the at least partially transparent material.
REFERENCES:
patent: 4153368 (1979-05-01), Falbel et al.
patent: 4746205 (1988-05-01), Cross et al.
patent: 6178046 (2001-01-01), Broome et al.
Harness & Dickey & Pierce P.L.C.
Harringtion Alicia M
Micronic Laser Systems AB
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