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

Claim 17:
18. A method for manufacturing the 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 respectively extending to an opening 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 in fluid communication with the space sealed by the seal ring.