Method of manufacturing an optical module using multiple applica

Details Method of manufacturing an optical module using multiple applica Method of manufacturing an optical module using multiple applica

1999-08-31

2000-12-05

Jeffery, John A.

Electric heating

Inductive heating

With heat exchange

1562722, 1562733, 1562753, 156290, 257 98, 385 93, G02B 636

Patent

active

061570125

ABSTRACT:
An optical module has a housing of synthetic resin incorporating a lens therein and a semiconductor device of a metal-cap package structure which is held in optical axis alignment with the lens. The optical module is manufactured in provisional and final fixing stages. In the provisional fixing stage, a first thermosetting resin is applied as a plurality of spaced dots to surfaces, to be joined, of a stem of the semiconductor device and an end of the housing, the lens and the semiconductor device are held in optical axis alignment with each other, and a high-frequency current is supplied to a coil extending around the stem to heat the stem to thermoset the first thermosetting resin by high-frequency induction heating. In the final fixing stage, a second thermosetting resin is deposited in a circumferential pattern on an outer circumferential surface of the stem along the end of the housing, and the second thermosetting resin is thermoset by heating.

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