Coherent light generators – Particular temperature control
Reexamination Certificate
2009-05-29
2011-12-06
Stafford, Patrick (Department: 2828)
Coherent light generators
Particular temperature control
C372S036000, C372S024000, C359S197100
Reexamination Certificate
active
08073028
ABSTRACT:
A light emitting apparatus includes a surface emitting laser and a ceramic package. The surface emitting laser has a common electrode on the back surface thereof and is mounted on the ceramic package via the common electrode. The common electrode of the surface emitting laser is electrically connected to a mount portion of the ceramic package. The mount portion is electrically connected to a back-surface electrode on the back surface of the ceramic package. The mount portion is also thermally connected to a back-surface heat-dissipating electrode on the back surface of the ceramic package via a penetrating electrode that penetrates the ceramic package. The surface emitting laser is spaced apart from the penetrating electrode in order to prevent inclination in light-emitted direction. The back-surface heat-dissipating electrode prevents destruction of a soldered portion when the light emitting apparatus is mounted on a substrate by soldering.
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Apr. 13, 2010 Chinese official action (and English translation thereof) in connection with counterpart Chinese patent application No. 2009102028301.
Cooper & Dunham LLP
Ricoh & Company, Ltd.
Stafford Patrick
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