Injection molded microlenses for optical interconnects

Details Injection molded microlenses for optical interconnects Injection molded microlenses for optical interconnects

2007-09-04

2008-11-04

Choi, William C (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

By surface composed of lenticular elements

C359S620000

Reexamination Certificate

active

07446942

ABSTRACT:
Disclosed are a microlens array, and a method of positioning and aligning the microlens array on another device. Generally, the microlens array comprises an array of injection molded microlens elements, and a supporting flange. Each of the microlens elements has a generally spheroid or spherical shape, and the supporting flange connects together the array of microlens elements to facilitate positioning that array of lenses on a printed circuit board, semiconductor package or wafer. This array is well suited for use with vertical cavity surface emitting lasers (VCSELs); and, in particular, the preferred embodiment of the invention addresses the problem of VCSEL laser array alignment by using arrays of microlenses elements fabricated by injection molding.

REFERENCES:
patent: 5453876 (1995-09-01), Hamada
patent: 6594084 (2003-07-01), Border et al.
patent: 6669801 (2003-12-01), Yoshimura et al.
patent: 2006/0187379 (2006-08-01), Yamanaka et al.
patent: 59-0405043 (1984-03-01), None

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