| 摘要 |
A vapor chamber includes a first board, a second board sealed with the first board, and a cavity formed between the first and second boards, and the cavity contains a first support arm and a second support arm corresponding to the first and second boards respectively, and the first support arm and the second support arm are engaged with each other along the first and second boards and arranged adjacent to each other. With the engagement of the first and second support arms, the first and second boards of the vapor chamber can be supported and pulled to achieve effect of preventing the first and second boards from being recessed or protruded.
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