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Method for the manufacture of a cermet-containing bushing for an implantable medical device

  • US 9,048,608 B2
  • Filed: 01/30/2012
  • Issued: 06/02/2015
  • Est. Priority Date: 01/31/2011
  • Status: Active Grant
First Claim
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1. A method for the manufacture of an electrical bushing for an implantable medical device, the method comprising:

  • a. generating at least one base body green compact for at least one base body from an insulating composition of materials;

    b. forming at least one cermet-containing conducting element green compact for at least one conducting element;

    c. introducing the at least one conducting element green compact into the base body green compact;

    d. connecting the base body green compact to the at least one conducting element green compact in order to obtain at least one base body having at least one conducting element;

    whereby, step a) or step b) include at least a partial forming of the respective green compact by introducing a base mass of the respective green compact into a forming tool at a pressure in the range from 0.1 MPa to 50 MPa whereby the method comprises the following steps preceding step d);

    producing a cermet-containing holding element green compact for a holding element;

    introducing the at least one conducting element green compact into the base body green compact, and introducing the base body green compact into the holding element green compact;

    whereby step d) comprises;

    firing the insulating element green compact jointly with the at least one conducting element green compact and the holding element green compact in order to obtain a base body having at least one conducting element and a holding element.

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