Laser diode package utilizing a laser diode stack
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United States of America Patent
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Issued Date -
Sep 20, 2007
app pub date -
Mar 20, 2006
filing date -
Mar 20, 2006
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A laser diode package is provided. The laser diode package includes a plurality of laser diode submount assemblies, each assembly including a submount to which one or more laser diodes are attached. An electrically isolating pad is attached to the same surface of the submount as the laser diode. A metallization layer is deposited onto the outermost surface of the electrically isolating pad, to which an electrical contact pad is bonded. Electrical interconnects, such as wire or ribbon interconnects, connect the laser diode or diodes to the metallization layer. Preferably the laser diode stack is formed by electrically and mechanically bonding together the bottom surface of each submount to the electrical contact pad of an adjacent submount assembly. The laser diode stack is thermally coupled to a cooling block. Preferably thermally conductive and electrically isolating members are interposed between the laser diode stack and the cooling block.
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