US 12,245,402 B2
Mobile terminal, vapor chamber and preparation method thereof, and electronic device
Linfang Jin, Shenzhen (CN); Qiu Chen, Shenzhen (CN); Yonglu Liu, Shenzhen (CN); Chenji Niu, Shenzhen (CN); and Jiaju Liu, Shenzhen (CN)
Assigned to Honor Device Co., Ltd., Shenzhen (CN)
Appl. No. 17/755,121
Filed by Honor Device Co., Ltd., Shenzhen (CN)
PCT Filed Jan. 12, 2021, PCT No. PCT/CN2021/071267
§ 371(c)(1), (2) Date Sep. 26, 2022,
PCT Pub. No. WO2021/143674, PCT Pub. Date Jul. 22, 2021.
Claims priority of application No. 202010038900.0 (CN), filed on Jan. 14, 2020.
Prior Publication US 2023/0019481 A1, Jan. 19, 2023
Int. Cl. H05K 7/20 (2006.01); G06F 1/20 (2006.01); H04M 1/02 (2006.01)
CPC H05K 7/20336 (2013.01) [G06F 1/20 (2013.01); H04M 1/0206 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A vapor chamber, comprising:
a housing comprising a first cover plate and a second cover plate, wherein the first cover plate and the second cover plate are connected and define a sealed cavity;
a cooling medium;
a capillary structure disposed in the sealed cavity; and
a supporting structure extending from an inner surface of the housing into an internal space of the housing;
wherein a material of the first cover plate and the second cover plate is a high-strength composite material, wherein the high-strength composite material comprises a first material layer and a second material layer, wherein the strength of the first material layer is higher than the strength of the second material layer, a material of the first material layer is stainless steel, titanium, titanium alloy, tungsten, tungsten alloy, chromium, or chromium alloy, a material of the second material layer is copper or copper alloy, and wherein the second material layer is located on an inner side of the housing and separates the first material layer from the cooling medium; and
wherein a material of an inner core of the supporting structure is the material of the first material layer, and a material of a periphery of the supporting structure is the material of the second material layer.