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2488445
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Information
Patent Grant
2488445
References
Source
Patent Number
2,488,445
Date Filed
Not available
Date Issued
Tuesday, November 15, 1949
74 years ago
CPC
H01L21/161 - Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
H01L21/02565 - Oxide semiconducting materials not being Group 12/16 materials
H01L21/02614 - Transformation of metal
Y10T29/413 - Barrier layer device making
US Classifications
029 - Metal working
257 - Active solid-state devices
266 - Metallurgical apparatus
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