Importance

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Abstract

A first insulating member has electrical terminals and may constitute a semi-conductor chip. A second insulating member made from a first insulating material may constitute a heat sink for the semi-conductor chip. Electrical leads may extend through the second insulating member to the periphery of the member. A mound formed from a mixture of electrically conductive particles and electrically insulating particles is disposed between the first and second members. The electrically conductive particles may have sizes to a few hundred microns. When the first and second members are pressed toward each other, the electrically conductive particles migrate toward one another to establish an electrical path to the electrical terminals on the first member and establish electrical continuity between the electrical leads and the electrical terminals. At the same time, the electrically insulating particles tend to at least partially envelope the electrically conductive particles. The electrically insulating particles are heated to fuse the particles and to establish a hermetic seal between the fused particles, the first and second members and the electrically conductive particles.

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First Claim