ALEXANDRIA, Va., Dec. 16 -- United States Patent no. 12,498,181, issued on Dec. 16, was assigned to Kelvin Thermal Technologies Inc. (Boulder, Colo.).
"Vapor chamber" was invented by Ryan John Lewis (Boulder, Colo.), Takuo Wakaoka (Yasu, Japan) and Keijiro Kojima (Omihachiman, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "To provide a vapor chamber having excellent function of circulating a working liquid from an end portion to a center portion of a wick and enabling the prevention of the occurrence of dry-out. A vapor chamber includes a casing formed of a first sheet and a second sheet which face each other and whose outer peripheries are bonded to each other; a working liquid sealed in the casing; a...