Patent ID: 11859913
Assignee: DAI NIPPON PRINTING CO., LTD.
Field: Thermal processes and apparatus (Mechanical engineering)
Classification: CPC F  H | IPC F  H

Claim 21:
22. The electronic apparatus according to claim 19, wherein the sheet body includes a first overlapped land portion and, a second overlapped land portion that partition the penetration space into a plurality of passages,
the first overlapped land portion and the second overlapped land portion are spaced apart from each other in a second direction that is orthogonal to the first direction,
the second groove assembly comprises a plurality of second groove assemblies, and one of the plurality of the second groove assemblies is provided in the first overlapped land portion and another of the plurality of the second groove assemblies is provided in the second overlapped land portion,
the second groove assembly provided in the first overlapped land portion and the second groove assembly provided in the second overlapped land portion are disposed in a region that overlaps the electronic device in plan view of the vapor chamber,
the second groove assembly provided in the first overlapped land portion is located closer to a center of the electronic device than the second groove assembly provided in the second overlapped land portion in the second direction that is orthogonal to the first direction in plan view of the vapor chamber, and
a length of the second groove assembly provided in the first overlapped land portion in the first direction is greater than a length of the second groove assembly provided in the second overlapped land portion in the first direction.