Method for making hermetically sealed transmitter optical subassembly
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United States of America Patent
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Nov 1, 2005
Issued Date -
N/A
app pub date -
Mar 30, 2004
filing date -
May 22, 2002
priority date (Note) -
Expired
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Abstract
A method for making a transmitter optical subassembly (TOSA) is provided. In the method, an alignment in the Z-direction between a fiber stub array (FSA) and a VCSEL array is performed first. Then, an alignment in the X-Y direction is performed. A rough prealignment in the X-Y direction may also be performed prior to the alignment in Z-direction. A vertical cavity surface emitting laser (VCSEL) array may be hermetically sealed using a lens assembly or by using a separate lid assembly. The hermetic sealing and attaching of different components may be achieved by laser welding and/or soldering or any other suitable method.
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