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2953730
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Information
Patent Grant
2953730
References
Source
Patent Number
2,953,730
Date Filed
Not available
Date Issued
Tuesday, September 20, 1960
64 years ago
CPC
H01L29/41 - characterised by their shape, relative sizes or dispositions
H01L21/00 - Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
H01L21/24 - Alloying of impurity materials
H01L27/082 - including bipolar components only
H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
H01L29/06 - characterised by their shape characterised by the shapes, relative sizes, or dispositions of the semiconductor regions; characterised by the concentration or distribution of impurities within semiconductor regions
H01L29/73 - Bipolar junction transistors
Y10T29/12 - Buckle making
Y10T29/40 - Umbrella-frame making
US Classifications
257 - Active solid-state devices
029 - Metal working
148 - Metal treatment
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