Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1990-03-19
1991-01-08
Griffin, Donald A.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
H01G 328
Patent
active
049841297
ABSTRACT:
The present invention relates to a through-type capacitor having a cylindrical dielectric and a through terminal inserted into the former.
The characteristics of the capacitor of the present invention reside in that the through terminal inserted into a through-hole drilled in the dielectric is in the form of a metallic pipe provided with a plurality of slits at equal intervals and the parts of the metallic pipe separated by the slits are soldered to a metallized inner wall surface of the through-hole serving as an electrode.
With the above structure, the capacitor of the present invention has the advantages that since the metallic pipe having a plurality of slits is used as a through terminal, the thermal stress and the bending force applied on the dielectric at the time of thermal expansion of the terminal due to a temperature change are sharply reduced and the terminal can be easily manufactured without requiring much time and labor for coating a solder resist on the terminal as has been the case with the prior art technique.
Ohara Ichiro
Tsuzurahara Mamoru
Griffin Donald A.
Hitachi , Ltd.
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