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1975356
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Information
Patent Grant
1975356
References
Source
Patent Number
1,975,356
Date Filed
Not available
Date Issued
Tuesday, October 2, 1934
89 years ago
CPC
H01L21/161 - Preparation of the foundation plate, preliminary treatment oxidation of the foundation plate, reduction treatment
H01L21/08 - Preparation of the foundation plate
US Classifications
148 - Metal treatment
216 - Etching a substrate: processes
257 - Active solid-state devices
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