H01L2224/29688

Semiconductor device, mechanical quantity measuring device, and semiconductor device fabricating method

A semiconductor device includes a metal body; a bonding layer placed on the metal body; and a semiconductor chip placed on the bonding layer. The bonding layer includes a filler-containing first layer formed between the metal body and the semiconductor chip and a second layer bonded to the first layer and the semiconductor chip. The second layer has a thermal expansion coefficient higher than that of the first layer.

SEMICONDUCTOR DEVICE, MECHANICAL QUANTITY MEASURING DEVICE, AND SEMICONDUCTOR DEVICE FABRICATING METHOD

A semiconductor device includes a metal body; a bonding layer placed on the metal body; and a semiconductor chip placed on the bonding layer. The bonding layer includes a filler-containing first layer formed between the metal body and the semiconductor chip and a second layer bonded to the first layer and the semiconductor chip. The second layer has a thermal expansion coefficient higher than that of the first layer.

COMPOSITE THERMAL HOTSPOT MANAGEMENT IN DIE PACKAGING
20250357263 · 2025-11-20 ·

A device package includes a diamond heat spreader and a filler material bonded to a first side of the diamond heat spreader. A first integrated circuit (IC) device coupled to a second side of the diamond heat spreader opposite the filler material. A second IC device wherein a first side of the filler material opposite of a side bonded to the heat spreader shares a horizontal plane with a top side of the second IC device.