Patent ID: 11862528
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method of forming a semiconductor package, comprising:
mounting a chip on a package substrate;
placing a heat spreader over the chip and applying a thermal interface material to a first surface of the heat spreader facing the chip, wherein the heat spreader is flexible;
attaching the heat spreader to the chip through the thermal interface material by rolling a rod over a second surface of the heat spreader, the second surface being opposite to the first surface;
mounting a second chip on the package substrate; and
dispensing a underfill material between the package substrate and the chip, and between the package substrate and the second chip, wherein the underfill material continuously extends under the chip and the second chip.