The opinion in support of the decision being entered today was not written
for publication and is not binding precedent of the Board.
Paper No. 23
UNITED STATES PATENT AND TRADEMARK OFFICE
____________
BEFORE THE BOARD OF PATENT APPEALS
AND INTERFERENCES
____________
Ex parte KATHLEEN MARIE DOVERSPIKE, JOHN ADAM EDMOND, HUA-SHUANG
KONG, HEIDI MARIE DIERINGER and DAVID B. SLATER JR.
____________
Appeal No. 2002-0575
Application No. 09/477,982
____________
HEARD: February 4, 2003
____________
Before HAIRSTON, JERRY SMITH, and FLEMING, Administrative Patent Judges.
HAIRSTON, Administrative Patent Judge.
DECISION ON APPEAL
This is an appeal from the final rejection of claims 18 through 23.
The disclosed invention relates to a method of producing a vertically oriented light emitting
diode (LED) using an indium gallium nitride active layer sandwiched between two thin undoped
layers of gallium nitride in a nitrogen atmosphere on a silicon carbide substrate. A thin layer of
aluminum gallium nitride is also formed in the nitrogen atmosphere. All other layers of the LED are
formed in a hydrogen atmosphere.
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