Electrostatic discharge protecting transistor

Active solid-state devices (e.g. – transistors – solid-state diode – Field effect device – Having insulated electrode

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257355, 257356, 257360, 257361, H01L 2362

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active

059071745

ABSTRACT:
An electrostatic discharge (ESD) protecting transistor and a method for fabricating the same, capable of consuming a high voltage or overcurrent applied to a semiconductor circuit device and thereby protecting the circuit device from the high voltage or overcurrent. The ESD protecting transistor is of an asymmetric charge coupled MOS transistor structure having a highly doped buried layer capable of dispersing a current flux, thereby removing an instant ESD impact and reducing generation of heat caused by a concentration of high current flux. Accordingly, an effect of improving the resistance characteristic to the ESD impact is provided.

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C.G. Jambotkar, et al., High Voltage MOSFET Structure:, IBM Tech. Discl. Bulletin, vol. 23, No. 11, 1981, p. 4988.
B. Krabbenborg, et al., Physics of Electro-Thermal Effects in ESD Protection Devices:, J. Electrostatics, 28 (1992), pp. 285-299.
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Translation of JP 64-10657, Furnished with Previous Office Action.
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C.G. Jambotkar et al., IBM Tech. Discl. Bulletin, 23(11) 1981,4988 "High Voltage MOSFET Structure".
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