Patent ID: 11901263
Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 11:
12. A method for manufacturing a semiconductor device, comprising:
providing a device die having a rear surface formed with micro-trenches;
providing a cooling cover with fluid paths enclosed in a casing and a seal trench at a floor panel of the casing, wherein the fluid paths comprise a fluid inlet port and a fluid outlet port laterally extending into the cooling cover from opposite sidewalls of the casing; and
attaching the cooling cover onto the rear surface of the device die by using a seal ring filled in the seal trench and in contact with the rear surface of the device die, wherein the seal ring laterally encloses the micro-trenches and seals a space between the cooling cover and the micro-trenches after the cooling cover is attached to the device die, and the fluid paths in the cooling cover are communicated with the space sealed by the seal ring.