Dual platform semiconductor laser device
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United States of America Patent
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Issued Date -
Jun 15, 2006
app pub date -
Dec 14, 2005
filing date -
Dec 15, 2004
priority date (Note) -
Abandoned
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Abstract
A dual platform semiconductor laser device includes a laser chip layer, two independent platforms formed on the laser chip layer and defining a light emitting active area platform and a wire bonding platform, a planarized dielectric layer filled between the independent platforms, a protective layer disposed at the dielectric layer and including a contact area hole corresponding to the first independent platform, coated onto the metal layer at the protective layer and coupled to the first independent platform, and extended to the second independent platform to form a pad for wire bonding the first independent platform. The independent platforms define the second independent platform for wire bonding, and its capacitance is modulated to provide a stronger wire bonding strength, and the dielectric layer filled at the external sides of the two platforms lowers the wire connected metal capacitance and obtain a planarized surface for producing the metal layer easily.
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