US 12,082,381 B2
Vapor chamber, heat sink, and terminal
Denis Yurchenko, Kyiv (UA); Hao Sun, Dongguan (CN); and Sergey Khairnasov, Kyiv (UA)
Assigned to HUAWEI TECHNOLOGIES CO., LTD., Shenzhen (CN)
Filed by Huawei Technologies Co., Ltd., Shenzhen (CN)
Filed on Jun. 1, 2021, as Appl. No. 17/335,743.
Application 17/335,743 is a continuation of application No. PCT/CN2019/105796, filed on Sep. 12, 2019.
Prior Publication US 2021/0289669 A1, Sep. 16, 2021
Int. Cl. H05K 7/20 (2006.01); F28F 3/12 (2006.01)
CPC H05K 7/20809 (2013.01) [F28F 3/12 (2013.01); H05K 7/20336 (2013.01); H05K 7/20409 (2013.01); H05K 7/20418 (2013.01); F28F 2225/04 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A vapor chamber comprising:
a first base plate comprising:
a plate body comprising an edge and a second surface; and
an outer frame convexly disposed on and around the edge;
a second base plate facing the second surface, wherein the first base plate and the second base plate are disposed in a stacked manner, are fastened to each other, and together form a cavity, and wherein the cavity comprises an inner wall and is configured to accommodate a working medium;
support pillars disposed between the first base plate and the second base plate and convexly disposed on the second surface, wherein the support pillars comprise a first support pillar, and wherein the first support pillar comprises a first surface;
a capillary structure disposed on the inner wall, disposed on the first surface, and configured to provide a capillary force for returning a liquid to the working medium; and
a reinforcement table disposed in the cavity, disposed between the first base plate and the second base plate, and convexly disposed on the second surface,
wherein the reinforcement table is cylindrical, and
wherein a first diameter of the reinforcement table is greater than a height of the reinforcement table.