Spacer and lens module using same

Details Spacer and lens module using same Spacer and lens module using same

2006-12-21

2009-11-03

Stultz, Jessica T (Department: 2873)

Optical: systems and elements

Lens

With support

C359S811000, C359S830000

Reexamination Certificate

active

07612954

ABSTRACT:
A spacer (20), configured to be disposed between two lenses (12, 13) of a lens module (10) in order to separate the two lenses by a predetermined distance, includes a through hole (22) penetrating therethrough for permitting light to pass therethrough, and an upper surface (201) configured for receiving adhesive thereon. The upper surface has a slot (23) defined therein around the through hole. The slot is configured for receiving excess adhesive. A lens module using the spacer and a method of assembling the lens module are also provided.

REFERENCES:
patent: 3220309 (1965-11-01), Wohler
patent: 6603612 (2003-08-01), Nakano
patent: 7139138 (2006-11-01), Chang
patent: 7417807 (2008-08-01), Chiang
patent: 2004/0156124 (2004-08-01), Okada
patent: 2006/0139776 (2006-06-01), Mori

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