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Chip-type-discharge-element-with-laminated-insulating-sheets

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Chip type discharge element with laminated insulating sheets

Details

Inventors: Kaneko, Toshimi;
Assignee: Murata Manufacturing Co., Ltd. (JP)
Primary Examiner: Demeo; Palmer
Assistant Examiner:
Attorney, Agent or Firm: Ostrolenk, Faber, Gerb & Soffen

A chip type discharge element which discharges when a voltage of a predetermined value or greater is applied thereto. It serves to protect electronic components and comprises at least one bored insulating sheet sandwiched in layers between two insulating sheets to thereby close therewith a bore formed at the bored insulating sheet, at least two electrode films provided thereon and extending from the bore to both lengthwise sides of the insulating sheets and partly facing each other across the bore, and exterior electrodes provided at the outer sides of the layered insulating sheets so that the electrode films are electrically connectible to the exterior end of the electrode films. The gap between electrode films opposite to each other across the bore at the bored insulating sheet can be controlled whereby a chip type discharge element discharging at low voltages is obtainable.

DETAILED DESCRIPTION An object of the invention is to provide a chip type discharge element which is small and capable of discharging at low voltages.
Another object of the invention is to provide a chip type discharge element which can be manufactured by the same process as standard laminated chip condensers or the like and which can directly use the manufacturing equipment therefor.
Still another object of the invention is to provide a chip type discharge element which is capable of being automatically mounted onto a printed substrate and is free from deterioration caused by carbonization, because of the absence of organic material, such as insulating resin.

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