Alignment of optical fibers to light emitting diodes

Details Alignment of optical fibers to light emitting diodes Alignment of optical fibers to light emitting diodes

1975-04-30

1976-07-13

Tupman, W.

Metal working

Method of mechanical manufacture

Assembling or joining

29589, 350 96WG, 357 17, B01J 1700

Patent

active

039685640

ABSTRACT:
Accurate alignment between an optical fiber and a light emitting diode -- having a double heterostructure -- is obtained by building the multilayer heterostructure on a substrate surface on which has previously been formed a mesa. After formation of the structure, and forming of a contact on the outermost layer of the structure, in alignment with the mesa, the substrate is etched to form a clearance hole centered on the mesa, which is also removed. The mesa is of the same diameter as the optical fiber and removal of the mesa provides a recess which accurately locates the fiber relative to the light emitting area.

REFERENCES:
patent: 3846193 (1974-11-01), Jacobus
patent: 3849707 (1974-11-01), Braslau
patent: 3864016 (1975-02-01), Dakss
patent: 3893228 (1975-07-01), George

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