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

Claim 2:
3. The heat sink according to claim 1, wherein the coolant passageway further has:
a second coolant-transit part disposed between adjacent first coolant-transit parts and through which the coolant transits from an upstream-side one of the first coolant-transit parts to a downstream-side one of the first coolant-transit parts in the coolant path, and
a second connecting part interposed between the second coolant-transit part and one of the first coolant-transit parts, and
wherein the second connecting part has 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.