Surge protector device and its fabrication method

Details Surge protector device and its fabrication method Surge protector device and its fabrication method

2007-11-27

2007-11-27

Sherry, Michael (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

Reexamination Certificate

active

11053893

ABSTRACT:
The present invention is to provide an improved surge protector device. The present invention's surge protector device basically has a plurality of metal bars which are combined to a single body by a continuous high-resistive film of semiconductor crystal so that there is no gap between adjacent metal bars; and electrodes formed on the endmembers of the said metal bars composing the single body. Thus, the present invention's surge protector device is fabricated so as to have no air gap between adjacent ones of the metal bars. As a result, the present invention's protector device can operate in such a way that the surge protector device changes from a non-conductive state to a conductive state due to breakdown in depletion region accompanying the semiconductor crystal when the voltage across the electrodes exceeds a threshold voltage because of a surge.

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patent: 2001/0026432 (2001-10-01), Katoda
patent: 2002/0024790 (2002-02-01), Katoda
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European Search Report dated May 25, 2005 for EP 05003048.5.

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