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2701285
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Information
Patent Grant
2701285
References
Source
Patent Number
2,701,285
Date Filed
Not available
Date Issued
Tuesday, February 1, 1955
69 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
H01L21/164 - Oxidation and subsequent heat treatment of the foundation plate
US Classifications
428 - Stock material or miscellaneous articles
148 - Metal treatment
200 - Electricity: circuit makers and breakers
257 - Active solid-state devices
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