Method and Device for the Depositing of Gallium Nitrite Layers on a Sapphire Substrate and Associated Substrate Holder
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United States of America Patent
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Issued Date -
Aug 28, 2008
app pub date -
Nov 18, 2005
filing date -
Dec 4, 2004
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Abandoned
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Abstract
The invention relates to a device for holding at least one substrate (2) in a process chamber (3) of a reactor housing (15), comprising an attack area (4) for the attack of a handling device and a bearing area (5) upon which the substrate (2) rests with at least the edge (2'') thereof. In order to etch the deposited gallium nitrite layer in relation to the substrate, it is impinged upon with a laser jet from the bottom up. The bearing area (5) is transparent for the wavelength (1) of an optical substrate treatment process.
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