Vapor chamber and electronic device

• Main Authors: OTA, TAKAYUKI, TAKAHASHI, SHINICHIRO, TAKEDA, TOSHIHIKO, ODA, KAZUNORI, NAKAMURA, YOKO, MOMOSE, TERUTOSHI, TAKEMATSU, KIYOTAKA
• Format: Patent
• Language: Chinese; English
• Published: 16.11.2023
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS; MECHANICAL ENGINEERING; PRINTED CIRCUITS; SEMICONDUCTOR DEVICES; WEAPONS

A vapor chamber including a sealed space and a working fluid enclosed in the sealed space, the sealed space including a plurality of condensed liquid passages through which a condensed liquid of the working fluid flows and at least one vapor passage through which a vaporized working fluid flows, wherein the vapor passage includes an overhang whose overhanging amount is different in an extending direction of the vapor passage, a pitch of opening portions that make the vapor passage and the condensed liquid passages communicate with each other is different in the extending direction of the vapor passage, or, a wall that partitions the passages has a predetermined relation with a transverse cross section of a predetermined passage among the passages.