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2443878
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Information
Patent Grant
2443878
References
Source
Patent Number
2,443,878
Date Filed
Not available
Date Issued
Tuesday, June 22, 1948
75 years ago
CPC
H01L21/10 - Preliminary treatment of the selenium or tellurium, its application to the foundation plate, or the subsequent treatment of the combination
H01L21/103 - Conversion of the selenium or tellurium to the conductive state
H01L21/105 - Treatment of the surface of the selenium or tellurium layer after having been made conductive
US Classifications
438 - Semiconductor device manufacturing: process
257 - Active solid-state devices
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