VAPOR CHAMBER, ELECTRONIC APPARATUS AND METAL SHEET FOR VAPOR CHAMBER

• Main Authors: TAKEMATSU KIYOTAKA, OTA TAKAYUKI, HASHIMOTO TAIZO, HIRATA KENRO, TAKAHASHI SHINICHIRO
• Format: Patent
• Language: English; Japanese
• Published: 04.01.2022
• Subjects: BLASTING; 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; MECHANICAL ENGINEERING; WEAPONS

To provide a vapor chamber capable of improving heat transport efficiency, an electronic apparatus, a metal sheet for vapor chamber, and a manufacturing method for the vapor chamber.SOLUTION: A liquid flow path part of a vapor chamber has a first main flow groove, a second main flow groove, and a third main flow groove. A first projection column including a plurality of first projections arranged via a first communication groove is provided between the first main flow groove and the second main flow groove. A second projection column including a plurality of second projections arranged via a second communication groove is provided between a second main flow groove and a third main flow groove. The second main flow groove includes: a first intersection where at least a part of the first communication groove faces the second projection; and a second intersection where at least a part of the second communication groove faces the first projection.SELECTED DRAWING: Figure 6 【課題】熱輸送効率を向上させることができるベーパーチャンバ、電子機器、ベーパーチャンバ用金属シートおよびベーパーチャンバの製造方法を提供する。【解決手段】本発明によるベーパーチャンバの液流路部は、第１主流溝、第２主流溝および第３主流溝を有している。第１主流溝と第２主流溝との間に、第１連絡溝を介して配列された複数の第１凸部を含む第１凸部列が設けられている。第２主流溝と第３主流溝との間に、第２連絡溝を介して配列された複数の第２凸部を含む第２凸部列が設けられている。第２主流溝は、第１連絡溝の少なくとも一部が第２凸部に対向する第１交差部と、第２連絡溝の少なくとも一部が第１凸部に対向する第２交差部と、を含んでいる。【選択図】図６