Optical coupling element having a convex microlens and the metho

Details Optical coupling element having a convex microlens and the metho Optical coupling element having a convex microlens and the metho

1990-08-20

1991-11-19

Healy, Brian

Optical waveguides

With optical coupler

Input/output coupler

385 14, 359664, 359900, 51284R, G02B 632, B29D 1100, B24B 100

Patent

active

050660900

ABSTRACT:
An optical coupling element having a convex, refractive microlens is characterized by a ball having a flat, planar surface being mounted in a through-hole of a carrier lamina with the flat, planar surface extending parallel to a planar surface of the lamina. The coupling element is preferably made by a method which involves forming a through-hole in a lamina, mounting a ball in the through-hole, processing a surface of the ball to form the planar surface that extends parallel to a surface of the lamina. Preferably, a plurality of coupling elements are formed by providing a plurality of through-holes in an enlarged carrier and after processing, each individual coupling element is then separated from this enlarged carrier.

REFERENCES:
patent: 4726645 (1988-02-01), Yamashita et al.
patent: 4826272 (1989-05-01), Pimpinella et al.
patent: 4830454 (1989-05-01), Karstensen
patent: 4867371 (1989-09-01), Davis et al.
patent: 4875750 (1989-10-01), Spaeth et al.
patent: 4897711 (1990-01-01), Blonder et al.
patent: 4919506 (1990-04-01), Covey
patent: 4989934 (1991-02-01), Zavracky et al.
patent: 4995695 (1991-02-01), Pimpinella et al.
patent: 5009481 (1991-04-01), Kinosita et al.
patent: 5023447 (1991-06-01), Masuko et al.
Patent Abstracts of Japan, vol. 8, No. 217(E-270) for Oct. 1984 of Japanese Application No. 59-101881 (Sumitomo Denki) of Jun. 12, 1984.
Patent Abstracts of Japan, vol. 10, No. 27(E-378) for Feb. 1986 of Japanese Application No. 60-187077 (Mitsubishi Denki) of Sep. 24, 1985.

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