Patent ID: 11935815
Assignee: UACJ CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 14:
15. The heat sink according to claim 14, wherein the coolant passageway has:
another first coolant-transit part,
a second coolant-transit part disposed between an upstream one of the first coolant-transit parts and downstream one of the coolant-transit parts in the coolant path, and
second connecting parts respectively interposed between, and fluidly connecting, the second coolant-transit part with the upstream one of the first coolant-transit parts and the downstream one of the coolant-transit parts,
wherein the second connecting parts have a passageway cross-sectional area that is smaller than passageway cross-sectional areas of the first coolant-transit parts and the second coolant-transit part.