OPTICAL MODULE MANUFACTURING METHOD

OPTICAL MODULE MANUFACTURING METHOD

PROBLEM TO BE SOLVED: To provide an optical module manufacturing method with which the alignment of a laser diode and an optical fiber is highly accurately adjusted and a shift in optimum position due to heat stress is prevented. SOLUTION: A positional adjustment is made with an alignment device so...

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Hauptverfasser: OMIZU YOSHIHARU, SHIGEKAWA YASUSHI, TAKAUO TSUTOMU
Format: Patent
Sprache:eng
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OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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creator OMIZU YOSHIHARU
SHIGEKAWA YASUSHI
TAKAUO TSUTOMU
description PROBLEM TO BE SOLVED: To provide an optical module manufacturing method with which the alignment of a laser diode and an optical fiber is highly accurately adjusted and a shift in optimum position due to heat stress is prevented. SOLUTION: A positional adjustment is made with an alignment device so that the connection of the optical fiber 2 and the laser diode 1 fixed on a substrate 3 are in a prescribed optimum position. The optical fiber 2 on the substrate 3 is covered with solder 4. The solder 4 is irradiated with a laser beam from a power laser so that the optical fiber 2 is fixed to the surface of the substrate 3 by the fusion of the solder. In order to release heat stress caused and remaining in the fixed optical fiber 2 and solder 4, the solder 4 is again irradiated with the power laser under an irradiating condition in which integral power is reduced. COPYRIGHT: (C)2006,JPO&NCIPI
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subjects OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
title OPTICAL MODULE MANUFACTURING METHOD
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