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Class Information
Number: 148/DIG.79
Name: Metal treatment > Inert carrier gas
Description:










Patents under this class:

Patent Number Title Of Patent Date Issued
4292374 Sapphire single crystal substrate for semiconductor devices Sep. 29, 1981
4010045 Process for production of III-V compound crystals Mar. 1, 1977
3988172 Annealing solar cells of InP/CdS Oct. 26, 1976
3986192 High efficiency gallium arsenide impatt diodes Oct. 12, 1976
3984263 Method of producing defectless epitaxial layer of gallium Oct. 5, 1976
3975218 Process for production of III-V compound epitaxial crystals Aug. 17, 1976
3941647 Method of producing epitaxially semiconductor layers Mar. 2, 1976











 
 
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