Focusing-free microlens assembly and the method of making...

Details Focusing-free microlens assembly and the method of making... Focusing-free microlens assembly and the method of making...

2006-12-18

2009-06-09

Thompson, Timothy J (Department: 2873)

Optical: systems and elements

Lens

With support

C359S813000, C359S815000

Reexamination Certificate

active

07545588

ABSTRACT:
A focusing-free microlens assembly includes a holder and a plurality of optical lenses mounted on the holder. Each of the holder and the optical lenses has a tolerance, and a combinative tolerance of the tolerances of the holder and the optical lenses is less than a depth of focus.

REFERENCES:
patent: 5570231 (1996-10-01), Mogamiya
patent: 7379113 (2008-05-01), Kong et al.
patent: 2005/0162538 (2005-07-01), Kurosawa

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