Suppression of electrostatic charge buildup at a workplace

Details Suppression of electrostatic charge buildup at a workplace Suppression of electrostatic charge buildup at a workplace

1985-10-24

1987-02-10

Hix, L. T.

Electricity: electrical systems and devices

Discharging or preventing accumulation of electric charge

By charged gas irradiation

361231, H05F 304

Patent

active

046427287

ABSTRACT:
In order to suppress electrostatic charge buildup at a workplace, a wire having needle(s) connected thereto and extending vertically downward therefrom is suspended horizontally over the workplace, and a sequence of electrical pulses of alternating polarity is applied to the wire, each of the pulses having a pulse-width of the order of 1 second and a pulse-height of approximately 15 kilovolts.

REFERENCES:
patent: 3936698 (1976-02-01), Meyer
patent: 4068284 (1978-01-01), Wheeler et al.
patent: 4110810 (1978-08-01), Moore et al.
patent: 4213167 (1980-07-01), Cumming et al.
T. Turner, "Static in a Wafer Fabrication Facility: Causes and Solutions," Semiconductor International, Aug. 1983, pp. 122-126.
"Pulsating DC Room Ionization--A Report," Memorex Corporation, Santa Clara, Calif.
A. Steinman, "Clean Room Ionization for ESD Control--A New Approach," (paper presented at 1984 Electrical Overstress Exposition), Apr. 1984, pp. 1-10.

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