Patent ID: 7494843

Claim:
A method of making a semiconductor chip assembly, comprising: providing a routing line; then mechanically attaching a semiconductor chip to the routing line, wherein the chip includes first and second opposing surfaces, and the first surface of the chip includes a conductive pad; forming a connection joint that electrically connects the routing line and the pad; forming a thermal conductor on the chip, wherein the thermal conductor includes first and second opposing surfaces and a thermal adhesive that contacts the chip; forming an encapsulant after attaching the chip to the routing line and forming the thermal conductor on the chip, wherein the encapsulant includes first and second opposing surfaces, the first surfaces of the thermal conductor and the encapsulant face in a first direction, the second surfaces of the thermal conductor and the encapsulant face in a second direction opposite the first direction, the chip is embedded in the encapsulant and extends vertically beyond the routing line in the first direction, the thermal conductor extends vertically beyond the chip in the first direction, and the encapsulant contacts the thermal conductor and covers and extends vertically beyond the chip and the thermal conductor in the first direction; and grinding the encapsulant without grinding the thermal conductor and without grinding the chip such that the first surface of the encapsulant migrates in the second direction, then grinding the encapsulant and the thermal conductor without grinding the chip such that the first surfaces of the encapsulant and the thermal conductor migrate in the second direction, and then halting the grinding before the grinding reaches the chip, thereby exposing the thermal conductor without exposing the chip such that the thermal conductor and the encapsulant are laterally aligned with one another at a lateral surface that faces in the first direction.