Structure for tightly closing light exit end of rod...

Details Structure for tightly closing light exit end of rod... Structure for tightly closing light exit end of rod...

2005-07-12

2005-07-12

Mack, Ricky (Department: 2873)

Optical: systems and elements

Lens

With support

C359S799000, C359S800000, C359S810000, C359S830000

Reexamination Certificate

active

06917481

ABSTRACT:
A rod integrator holder comprises a wall constituting at least a part of an intermediate portion interposed between a rod integrator in an illumination optical system or a holding member for the rod integrator, and an optical member disposed downstream the rod integrator or a holding member for the optical member. The intermediate portion tightly closes a space between a light entrance end of the optical member and a light exit end of the rod integrator against surroundings thereof.

REFERENCES:
patent: 5727105 (1998-03-01), Nagata et al.
patent: 6205271 (2001-03-01), Bowron et al.
patent: 6236449 (2001-05-01), Tanitsu
patent: 6364493 (2002-04-01), Kakuta et al.
patent: 6698891 (2004-03-01), Kato
patent: 6715880 (2004-04-01), Shouji
patent: 2002/0008791 (2002-01-01), Okamori et al.
patent: 2003/0031031 (2003-02-01), Tiao et al.
patent: 08-227034 (1996-09-01), None

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