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Highly-reliable feed through/filter capacitor and method for making same

  • US 4,424,551 A
  • Filed: 01/25/1982
  • Issued: 01/03/1984
  • Est. Priority Date: 01/25/1982
  • Status: Expired due to Term
First Claim
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1. A method for making a capacitor from a canister having first and second mutually insulated electrically conductive interior surfaces, an open end, and an insulative closed end surface opposite the open end and from a capacitive structure having a plurality of pairs of spaced apart electrically conductive plates, a first electrically conductive bus connecting one plate of each pair together to the exclusion of the other plate of each pair, and a second electrically conductive bus connecting the other plate of each pair together to the exclusion of the one plate of each pair, the method comprising, in the order recited, the steps of:

  • placing the capacitive structure in the canister so the first bus lies adjacent to the first surface of the canister to define therewith and the closed end surface of the canister a first cavity in communication with the open end of the canister and so the second bus lies adjacent to the second surface of the canister to define therewith and the closed end surface of the canister a second cavity in communication with the open end of the canister, the first and second cavities being out of direct communication with each other;

    introducing into the open end of the canister an electrically conductive solidifiable fluidic connecting material;

    rotating the canister about a center of rotation toward which its open end faces to induce by centrifugal force flow of the fluidic connecting material into the first and second cavities; and

    solidifying the connecting material.

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