Gan single crystal
First Claim
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1. A GaN single crystal having a full width at half-maximum of the double-crystal X-ray rocking curve of 5-250 sec and a thickness of not less than 80 μ
- m.
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Abstract
A GaN single crystal having a full width at half-maximum of the double-crystal X-ray rocking curve of 5-250 sec and a thickness of not less than 80 μm, a method for producing the GaN single crystal having superior quality and sufficient thickness permitting its use as a substrate and a semiconductor light emitting element having high luminance and high reliability, comprising, as a substrate, the GaN single crystal having superior quality and/or sufficient thickness permitting its use as a substrate.
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8 Claims
- 1. A GaN single crystal having a full width at half-maximum of the double-crystal X-ray rocking curve of 5-250 sec and a thickness of not less than 80 μ
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3. A semiconductor light emitting element comprising:
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(A) a substrate comprising a GaN single crystal having a full width at half-maximum of the double-crystal X-ray rocking curve of 5-250 sec wherein the thickness of the substrate is at least 80 μ
m,(B) plural GaN group compound semiconductor layers comprising a light emitting part wherein said layers are laminated on the substrate of (A) to give a laminate having two outermost layers, and (C) an electrode set on each of the two outermost layers of the laminate. - View Dependent Claims (4, 5, 7, 8)
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Specification