Hermetically bonding ceramic and titanium with a palladium braze
First Claim
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1. A microstimulator comprising:
- a component assembly housing comprising;
a ceramic part;
a metal part selected from the group consisting of titanium and titanium alloys; and
a palladium (Pd) interface layer consisting of palladium that is combined with a portion of one or both of the metal part or the ceramic part to form a bond between said ceramic part and the metal part, and further comprising an electrode contact and a second palladium interface layer consisting of palladium, wherein the second interface layer bonds the electrode contact to the ceramic part of the component assembly housing.
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Abstract
A component assembly for use in living tissue comprises: a ceramic part; a metal part, e.g., a titanium metal; and a palladium (Pd) interlayer for bonding said ceramic part to the metal part. By applying sufficient heat to liquify a palladium-titanium interface, the Pd interlayer is used to braze the ceramic part to the titanium part to yield a hermetic seal.
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Citations
2 Claims
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1. A microstimulator comprising:
- a component assembly housing comprising;
a ceramic part;
a metal part selected from the group consisting of titanium and titanium alloys; and
a palladium (Pd) interface layer consisting of palladium that is combined with a portion of one or both of the metal part or the ceramic part to form a bond between said ceramic part and the metal part, and further comprising an electrode contact and a second palladium interface layer consisting of palladium, wherein the second interface layer bonds the electrode contact to the ceramic part of the component assembly housing. - View Dependent Claims (2)
- a component assembly housing comprising;
Specification