SUBSTRATES FOR GROWING GROUP III NITRIDE CRYSTALS AND THEIR FABRICATION METHOD

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United States of America Patent

APP PUB NO 20160076168A1
SERIAL NO

14849566

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In one instance, the invention provides a substrate for growing a thick layer of group III nitride. The substrate has a first surface prepared for epitaxial growth of group III nitride and a second surface, opposite to the first surface, having a plurality of grooves. The invention also provides a method of producing a thick layer or a bulk crystal of group III nitride using a grooved substrate. The grooved substrate in one configuration grows a thick layer or a bulk crystal of group III nitride with reduced bow and/or spontaneous separation from the substrate.

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Patent Owner(s)

Patent OwnerAddress
SEOUL SEMICONDUCTOR CO LTDANSAN-SI GYEONGGI-DO 425-851

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  • 2015 Application Filing Year
  • C30B Class
  • 491 Applications Filed
  • 390 Patents Issued To-Date
  • 79.43 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances20152016201720182019202020212022202320240255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
HASHIMOTO, Tadao Santa Barbara, US 93 1210

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  • C30B Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges61219311183511301 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7071 - 80100 +0102030405060708090100110120130140150160170180190200210220230

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