Compound Semiconductor


In next-generation high-capacity optical disc player, violet lasers that comply with the Blu-ray Disc and HD DVD standards are used as the key devices. To realize mass-production of high-quality violet lasers, use of gallium nitride (GaN) substrates is necessary.

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News Release

Establishment of Compound Semiconductor Materials Manufacturing and Sales Company in China (February 10, 2011)

Sumitomo Electric and Soitec Announce Collaboration on Development of Engineered GaN Substrates (December 1, 2010)

Sumitomo Sumitomo Electric Announces Large Scale Production of the World's First 2-inch Semipolar/Nonpolar GaN Substrates for Green Lasers. (November 24, 2010)

Sumitomo Sumitomo Electric announces the World’s First 6-inch GaN Substrates for White LED Applications (November 16, 2010)

 Product Index
  GaAs Sub


for LEDs

for Lasers

Other specifications

  InP Sub


n type

p type

Other specifications

  GaN Sub
  Epitaxial Wafers




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