Brazeless ceramic-to-metal bond for use in implantable devices

Details Brazeless ceramic-to-metal bond for use in implantable devices Brazeless ceramic-to-metal bond for use in implantable devices

1994-10-07

1996-05-07

Heinrich, Samuel M.

Metal fusion bonding

Process

Diffusion type

228212, 22826221, B23K 2000

Patent

active

055137938

ABSTRACT:
In a method and apparatus for forming a hermetically sealed bond for use in implantable medical devices, a first structure, made from a first material, is positioned against a second structure, made from a second material. A compressive force directed at the second structure is applied to the first structure, and an equal force directed at the first structure in a direction opposite the compressive force is applied to the second structure so that the first and second structures are isodynamically pressed together. The first and second structures are heated to a diffusion temperature whereat the first material and the second material undergo diffusion, thereby forming a hermetically sealed bond between the first and second materials.

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