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Class Information
Number: 438/904
Name: Semiconductor device manufacturing: process > Charge carrier lifetime control
Description: Art collection involving the control of the lifetime of charge carriers (i.e., electrons or holes) in the semiconductor.

Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
4224083 Dynamic isolation of conductivity modulation states in integrated circuits Sep. 23, 1980
4201598 Electron irradiation process of glass passivated semiconductor devices for improved reverse characteristics May. 6, 1980
4140560 Process for manufacture of fast recovery diodes Feb. 20, 1979
4107731 Silicon doped with cadmium to reduce lifetime Aug. 15, 1978
4077819 Technique for passivating semiconductor devices Mar. 7, 1978
4053925 Method and structure for controllng carrier lifetime in semiconductor devices Oct. 11, 1977
4047976 Method for manufacturing a high-speed semiconductor device Sep. 13, 1977
4044372 Photovoltaic cell having controllable spectral response Aug. 23, 1977
4007476 Technique for passivating semiconductor devices Feb. 8, 1977
3988762 Minority carrier isolation barriers for semiconductor devices Oct. 26, 1976
3969744 Semiconductor devices Jul. 13, 1976
3943013 Triac with gold diffused boundary Mar. 9, 1976
3941625 Glass passivated gold diffused SCR pellet and method for making Mar. 2, 1976
3938178 Process for treatment of semiconductor Feb. 10, 1976

1 2

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