ELECTRICAL BUSHING WITH GRADIENT CERMET
First Claim
1. A method for producing an electrical bushing for an implantable device, wherein a green blank is produced from an electrically insulating base body and at least one electrically conductive bushing conductor that extends through the base body, the method comprising:
- forming the base body from a ceramic slurry;
introducing a bushing conductor made of a metal powder, metal slurry, cermet powder and/or cermet slurry into the base body, whereby the metal fraction in the bushing conductor is provided to decrease towards the base body; and
sintering the green blank that comprises the base body and the bushing conductor.
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Accused Products
Abstract
One aspect relates to a method for producing an electrical bushing for an implantable device, an electrical bushing, and an implantable device. The method according to one embodiment includes forming a base body from a ceramic slurry and introducing a bushing conductor made of a metal powder, metal slurry, cermet powder and/or cermet slurry into the base body. The metal fraction in the bushing conductor is provided to decrease towards the base body. It includes sintering the green blank that includes the base body and the bushing conductor.
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Citations
16 Claims
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1. A method for producing an electrical bushing for an implantable device, wherein a green blank is produced from an electrically insulating base body and at least one electrically conductive bushing conductor that extends through the base body, the method comprising:
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forming the base body from a ceramic slurry; introducing a bushing conductor made of a metal powder, metal slurry, cermet powder and/or cermet slurry into the base body, whereby the metal fraction in the bushing conductor is provided to decrease towards the base body; and sintering the green blank that comprises the base body and the bushing conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for producing an implantable device comprising:
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forming an electrically insulating base body from a ceramic slurry; introducing at least one electrically conductive bushing conductor made of a metal powder, metal slurry, cermet powder and/or cermet slurry into the base body, whereby the metal fraction in the bushing conductor is provided to decrease towards the base body; and sintering a green blank that comprises the base body and the bushing conductor.
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12. An electrical bushing for an implantable device comprising:
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an electrically insulating base body; and at least one electrically conductive bushing conductor that extends through the base body; wherein the base body is produced from a sintered ceramic material, characterized in that the at least one bushing conductor consists of a metal and/or cermet material that has been jointly sintered with the base body and has a metal fraction that decreases from the interior of the bushing conductor towards the outside. - View Dependent Claims (13, 14, 15)
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16. An implantable device comprising:
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an electrical bushing having an electrically insulating base body; and at least one electrically conductive bushing conductor that extends through the base body; wherein the base body is produced from a sintered ceramic material; and wherein the electrical bushing characterized in that the at least one bushing conductor consists of a metal and/or cermet material that has been jointly sintered with the base body and has a metal fraction that decreases from the interior of the bushing conductor towards the outside.
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Specification