Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1997-04-02
1999-11-02
Reichard, Dean A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
361534, 361535, 361517, H01G 400, H01G 212
Patent
active
059782030
ABSTRACT:
An electronic part such as a ceramic capacitor and a resistor used in various kinds of electric appliances has an apprehension that an electronic part element might be red-heated to be burnt when an abnormal current flows in spite of dielectric covering member, and therefore it has been impossible to supply a nonflammable electronic part having a stabilized performance. In the present invention, an electronic part is constructed such that since an electronic part element 8 such as a condenser or a resistor is put in a case 5 which in turn is nearly sealed to cut off the supply of oxygen, the electronic part is prevented from catching fire even if it generates heat, and since an opening 6 is formed in a portion of the case 5 or a sealing member 7 so as to allow the gas to be let out, when the electronic part generates heat to increase the pressure, the case 5 can be prevented from being ruptured. Accordingly, it is possible to provide a nonflammable electronic part having stabilized characteristics.
REFERENCES:
patent: 2203902 (1940-06-01), Georgiev
patent: 3214649 (1965-10-01), Clargo et al.
patent: 3248613 (1966-04-01), Griffin et al.
patent: 3688162 (1972-08-01), Willy et al.
patent: 3852647 (1974-12-01), Ishii
patent: 3878440 (1975-04-01), Ando
patent: 3904939 (1975-09-01), Carino
patent: 4745521 (1988-05-01), De Lima Filho
Kiyomura Yoshihiro
Nakamatsu Katsutoshi
Oishi Hiroshi
Yamamoto Mitsuhiro
Dinkins Anthony
Matsushita Electric - Industrial Co., Ltd.
Reichard Dean A.
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