A composite substrate includes a submount substrate of an alternating pattern of electrically insulative portions, pieces, layers or segments and electrically conductive portions, pieces, layers or segments, and a shaft, back or plate for supporting the alternating pattern of electrically insulative portions and electrically conductive portions. An active device having a P-N junction can be mounted on the submount substrate. The electrically insulative portions, pieces, layers or segments can be formed from diamond while the electrically conductive portions, pieces, layers or segments can be formed from a metal or metal alloy.

A composite substrate includes a submount substrate of an alternating pattern of electrically insulative portions, pieces, layers or segments and electrically conductive portions, pieces, layers or segments, and a shaft, back or plate for supporting the alternating pattern of electrically insulative portions and electrically conductive portions. An active device having a P-N junction can be mounted on the submount substrate. The electrically insulative portions, pieces, layers or segments can be formed from diamond while the electrically conductive portions, pieces, layers or segments can be formed from a metal or metal alloy.

A dual power converter package is disclosed. The package includes a leadframe having a first control FET paddle configured to support a drain of a first control FET, and a second control FET paddle configured to support a drain of a second control FET. The leadframe further includes a sync FET paddle configured to support a source of a first sync FET and a source of a second sync FET, and a first plurality of contacts configured to receive control signals for each of the control FETs and each of the sync FETs from a driver integrated circuit (IC) external to the leadframe. The leadframe may additionally include first and second switched nodes, configured for electrical connection to the first control FET and the first sync FET via a first clip, and to the second control FET and the second sync FET via a second clip, respectively.

A dual power converter package is disclosed. The package includes a leadframe having a first control FET paddle configured to support a drain of a first control FET, and a second control FET paddle configured to support a drain of a second control FET. The leadframe further includes a sync FET paddle configured to support a source of a first sync FET and a source of a second sync FET, and a first plurality of contacts configured to receive control signals for each of the control FETs and each of the sync FETs from a driver integrated circuit (IC) external to the leadframe. The leadframe may additionally include first and second switched nodes, configured for electrical connection to the first control FET and the first sync FET via a first clip, and to the second control FET and the second sync FET via a second clip, respectively.

A method of manufacturing a molded chip package is provided which comprises arranging an electronic chip on a supporting structure; forming an isolation layer at least on portions of the electronic chip; and molding an encapsulation which covers the electronic chip and the supporting structure at least partially by using a molding material comprising a matrix material and a conductive filler material.

A method of manufacturing a molded chip package is provided which comprises arranging an electronic chip on a supporting structure; forming an isolation layer at least on portions of the electronic chip; and molding an encapsulation which covers the electronic chip and the supporting structure at least partially by using a molding material comprising a matrix material and a conductive filler material.

A bonding structure and a method for bonding components, wherein the bonding structure includes a nanoparticle preform. In accordance with embodiments, the nanoparticle preform is placed on a substrate and a workpiece is placed on the nanoparticle preform.

A bonding structure and a method for bonding components, wherein the bonding structure includes a nanoparticle preform. In accordance with embodiments, the nanoparticle preform is placed on a substrate and a workpiece is placed on the nanoparticle preform.

A resin composition is disclosed that includes a thermosetting base resin; a curing agent; an inorganic filler; and at least one fluorine resin powder selected from polyvinylidene fluoride, polychlorotetrafluoroethylene, and a tetrafluoroethylene/perfluoro(alkyl vinyl ether)/chlorotrifluoroethylene copolymer, and a semiconductor device which is fabricated by being sealed using a sealant formed of the resin composition.

A resin composition is disclosed that includes a thermosetting base resin; a curing agent; an inorganic filler; and at least one fluorine resin powder selected from polyvinylidene fluoride, polychlorotetrafluoroethylene, and a tetrafluoroethylene/perfluoro(alkyl vinyl ether)/chlorotrifluoroethylene copolymer, and a semiconductor device which is fabricated by being sealed using a sealant formed of the resin composition.