Exposure device

Details Exposure device Exposure device

2008-03-27

2009-11-24

Porta, David P (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

Reexamination Certificate

active

07622720

ABSTRACT:
The present invention relates to an exposure device for forming predetermined patterns onto an object. The exposure device includes an optical source for emitting a ray, an aperture member including first and second opening windows and a detection window, first and second reflective optical elements for reflecting the first and second light beams that have passed through the first and second opening windows, respectively, and an optical sensor for detecting intensity of the ray from the optical source which has passed through the detection window, the optical sensor being placed close to an area between the first and second reflective optical elements.

REFERENCES:
patent: 2003/0180453 (2003-09-01), Burke et al.
patent: 2006/0193432 (2006-08-01), Matsumoto
patent: 2007/0030466 (2007-02-01), Shuichi
patent: 2006-113413 (2006-04-01), None
patent: 2006-337475 (2006-12-01), None
patent: 2006-343684 (2006-12-01), None

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