Optical semiconductor device
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United States of America Patent
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Apr 5, 2005
Grant Date -
May 29, 2003
app pub date -
Apr 10, 2002
filing date -
Nov 28, 2001
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A package for hermetically sealing a semiconductor laser which outputs light having a wavelength of 1.1 .mu.m or more is filled with a gas containing an oxidizing gas such as oxygen or ozone. The oxidizing gas in the package oxidizes hydrogen in the package to prevent hydrogen embrittlement of electrodes that applies stress on electrodes and to suppress variation in the emission wavelength which would otherwise result from the application of stress.
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