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Cooling device

專利號
US11805593B2
公開日期
2023-10-31
申請人
DENSO CORPORATION(JP Kariya)
發(fā)明人
Yoshirou Baba
IPC分類
H05K1/02; H05K7/20
技術(shù)領(lǐng)域
portion,shielding,graphite,periphery,heat,sheet,board,conductive,circuit,outer
地域: Kariya

摘要

A cooling device includes: an electronic component; a circuit board on which the electronic component is mounted; and a heat sink provided to dissipate heat to an outside of the cooling device. The cooling device also includes: a graphite sheet integrally provided on a surface of the heat sink on one side facing the electronic component; a heat conductive portion contacting both a part of the graphite sheet and the electronic component; and a shielding portion. The shielding portion is provided at a position between a portion of the circuit board where no electronic component is mounted and the graphite sheet to cover a shielded surface of the graphite sheet.

說明書

The operation and effect brought about by the cooling device 1 of the first embodiment is described in the following. The cooling device 1 includes a heat-generating component, a circuit board on which the heat-generating component is mounted, an external heat dissipater located above the heat-generating component so as to dissipate heat to the outside, and the graphite sheet 4 integrally provided on the heat-generating component side surface. The cooling device 1 includes the heat conductive portion 5 that contacts both a part of the graphite sheet 4 and the heat-generating component, and the shielding portion 6. The shielding portion 6 covers a surface of the graphite sheet 4 on the circuit board side, being disposed at a position between (i) a portion of the circuit board where no heat-generating component is mounted/disposed and (ii) the graphite sheet 4.

權(quán)利要求

1
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