Fishing – trapping – and vermin destroying
Patent
1988-11-18
1990-05-29
Hearn, Brian E.
Fishing, trapping, and vermin destroying
437203, 437228, 437 38, 357 38, H01L 21223, H01L 21265
Patent
active
049295632
ABSTRACT:
A method of manufacturing a semiconductor device with overvoltage self-protection of punchthrough type comprises the following steps.
REFERENCES:
patent: 4514898 (1985-05-01), Przybysz et al.
patent: 4516315 (1985-05-01), Przybysz et al.
patent: 4555845 (1985-12-01), Przybysz et al.
J. X. Przybysz, "Laser Trimming of Thyristors to Add an Overvoltage Self-Protected Turn-On Feature," 0275-9306/85/0000-0463, 1985, IEEE, pp. 463-468.
V. A. K. Temple, "Controlled Turn-on Thyristors," IEEE Transactions on Electron Devices, vol. Ed-30, No. 7, Jul. 1983, pp. 816-824.
Kanaya Masatoshi
Tsunoda Yoshiaki
Hearn Brian E.
Kabushiki Kaisha Toshiba
Thomas T.
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