Active solid-state devices (e.g. – transistors – solid-state diode – Thin active physical layer which is – Heterojunction
Reexamination Certificate
2005-01-04
2005-01-04
Nelms, David (Department: 2818)
Active solid-state devices (e.g., transistors, solid-state diode
Thin active physical layer which is
Heterojunction
C257S014000, C257S015000
Reexamination Certificate
active
06838693
ABSTRACT:
In the nitride semiconductor device of the present invention, an active layer12is sandwiched between a p-type nitride semiconductor layer11and an n-type nitride semiconductor layer13. The active layer12has, at least, a barrier layer2ahaving an n-type impurity; a well layer1amade of a nitride semiconductor that includes In; and a barrier layer2cthat has a p-type impurity, or that has been grown without being doped. An appropriate injection of carriers into the active layer12becomes possible by arranging the barrier layer2cnearest to the p-type layer side.
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Nelms David
Nguyen Thinh T
Nichia Corporation
Nixon & Vanderhye PC
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