Tubular capacitor and method of making

Details Tubular capacitor and method of making Tubular capacitor and method of making

1985-05-22

1986-05-27

Griffin, Donald A.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

29 2542, 361321, H01G 114, H01G 428

Patent

active

045919470

ABSTRACT:
A tubular capacitor is formed as follows. A ceramic tube comprising an outer ceramic cylinder and a plurality of radial walls is extruded. The extruded body may also include a second ceramic cylinder coaxial with the first. The one or more cylinders and the radial walls form a plurality of longitudinal passages. After the extrudate is fired and cut, the surfaces of the passages and the remaining surfaces of the cylinder or cylinders are metallized. Selected regions of metalization are removed to form discrete electrodes. Two sets of electrodes are respectively connected to first and second electrical termination means.

REFERENCES:
patent: 2793333 (1957-05-01), Ehlers
patent: 3183419 (1965-05-01), Rieth
patent: 3246215 (1966-04-01), Rieth
patent: 3274468 (1966-09-01), Rodriguez et al.
patent: 4109292 (1978-08-01), Shibayama et al.
patent: 4197570 (1980-04-01), Kobayashi
patent: 4221033 (1980-09-01), Kobayashi

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