US Patent No. 10,973,151

VAPOR CHAMBER


Patent No. 10,973,151
Issue Date April 06, 2021
Title Vapor Chamber
Inventorship Takuo Wakaoka, Nagaokakyo (JP)
Norikazu Kume, Nagaokakyo (JP)
Haruhiko Ikeda, Nagaokakyo (JP)
Osamu Nakao, Nagaokakyo (JP)
Tatsuhiro Numoto, Nagaokakyo (JP)
Assignee MURATA MANUFACTURING CO., LTD., Nagaokakyo (JP)

Claim of US Patent No. 10,973,151

1. A vapor chamber comprising:a casing having first and second opposed sheets that are sealed together and define an internal space, the first sheet having a main external surface, at least a portion of the main external surface having a plurality of recessed portions and a plurality of flat portions arranged alternately with the plurality of recessed portions;
a plurality of pillars in the internal space of the casing and positioned so as to support the casing from inside thereof, at least one pillar of the plurality of pillars having a surface overlapping at least one recessed portion of the plurality of recessed portions and at least one flat portion of the plurality of flat portions in a plan view of the vapor chamber, and the surface having a shape conforming to that of the at least one flat portion and to that of the at least one recessed portion overlapping with the surface; and
a working fluid in the internal space of the casing.