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Class Information
Number: 257/607
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > With specified dopant (e.g., plural dopants of same conductivity in same region)
Description: Subject matter wherein the active solid-state device contains impurity dopant atoms which are specified and are used to change the conductive properties of the semiconductor material.


Sub-classes under this class:

Class Number Class Name Patents
257/610 Deep level dopant 93
257/609 For compound semiconductor (e.g., deep level dopant) 105
257/608 Switching device based on filling and emptying of deep energy levels 31


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
4111719 Minimization of misfit dislocations in silicon by double implantation of arsenic and germanium Sep. 5, 1978
4101923 Solar cells Jul. 18, 1978
4086108 Selective doping crystal growth method Apr. 25, 1978
4069067 Method of making a semiconductor device Jan. 17, 1978
4050967 Method of selective aluminum diffusion Sep. 27, 1977
4048350 Semiconductor device having reduced surface leakage and methods of manufacture Sep. 13, 1977
4043836 Method of manufacturing semiconductor devices Aug. 23, 1977
4040878 Semiconductor device manufacture Aug. 9, 1977
4029528 Method of selectively doping a semiconductor body Jun. 14, 1977
4029527 Method of producing a doped zone of a given conductivity type in a semiconductor body Jun. 14, 1977
4028720 Photovoltaic device Jun. 7, 1977
4027051 Method of producing homogeneously doped n-type Si monocrystals and adjusting dopant concentration therein by thermal neutron radiation May. 31, 1977
4003759 Ion implantation of gold in mercury cadmium telluride Jan. 18, 1977
3997379 Diffusion of conductivity modifiers into a semiconductor body Dec. 14, 1976
3997909 High carrier velocity magnetic sensor Dec. 14, 1976
3979272 Method of producing semiconductor devices with minority charge carriers having a long lifetime and devices produced thereby Sep. 7, 1976
3975756 Gadolinium doped germanium Aug. 17, 1976
3972741 Multiple p-n junction formation with an alloy droplet Aug. 3, 1976

1 2 3 4 5 6


 
 
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