Optical coupler

Details Optical coupler Optical coupler

1994-01-04

1995-02-14

Hearn, Brian E.

Fishing, trapping, and vermin destroying

437205, 437214, 437217, 437218, H01L 2160

Patent

active

053895789

ABSTRACT:
An optical coupler (10) and method of manufacturing the optical coupler (10) are disclosed. The optical coupler (10) includes a light emitter (12), a light detector (18, 22), an inner mold material (30), and a precision reflector (32) for efficiently reflecting light from the emitter (12) to the light detector (18, 22). In manufacturing the coupler (10), the light emitter (12) is coupled to a first mount lead (14) and the light detector (18) is coupled to a second mount lead (20). There may be more than one light emitter (12) or light detector (18,22). A transparent inner mold material (30) surrounds and encases the light emitter (12) and light detector (18) along with a portion of the first and second mount leads (14, 20) and forms a precision molded reflector (32) over the light emitter (12) and light detector (18). The precision molded reflector (32) may be a precision molded dome (38) or a precision molded multifaceted vault (44). The precision molded reflector (32) has a reflective coating (34) for returning light from the light emitter (12) to the light detector (18, 22). The light emitter (12), light detector (18, 22), a portion of the mount leads (14, 20), and the inner mold material (30) are encased by an opaque overmold (36).

REFERENCES:
patent: 4047045 (1977-09-01), Paxton, Jr. et al.
patent: 4203792 (1980-05-01), Thompson
patent: 4322628 (1982-03-01), Tanaka
patent: 4446375 (1984-05-01), Aird
patent: 4604495 (1986-08-01), Watanabe
patent: 4633582 (1987-01-01), Ching et al.
patent: 4755474 (1988-07-01), Moyer
patent: 4822536 (1989-04-01), Voinis et al.
patent: 4863806 (1989-09-01), Merrick et al.
patent: 4877756 (1989-10-01), Yamamoto et al.
patent: 4996577 (1991-02-01), Kinzer
patent: 5049527 (1991-09-01), Merrick et al.
patent: 5057457 (1991-10-01), Miyahara et al.
patent: 5148243 (1992-09-01), Merrick et al.
patent: 5233208 (1993-08-01), Thillays

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