MOUNTING STRUCTURE OF ELECTRONIC COMPONENT

PROBLEM TO BE SOLVED: To provide a mounting structure of an electronic component capable of assuring a heat dissipation from a heat radiating plate of the electronic component to a heat dissipation member and capable of avoiding a dielectric breakdown by electric discharge. SOLUTION: In the status w...

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1. Verfasser: UMEMOTO SATORU
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide a mounting structure of an electronic component capable of assuring a heat dissipation from a heat radiating plate of the electronic component to a heat dissipation member and capable of avoiding a dielectric breakdown by electric discharge. SOLUTION: In the status where an insulating bushing 4 is inserted in a mounting hole 2a of a radiating plate 2 of the electronic component and an insulating sheet 3 intervenes between the radiating plate 2 and a radiation fin 1, a screw 5 is screwed in a screw hole 1a of the radiation fin 1 from the mounting hole 2a of the radiating plate 2. There is provided a spot facing portion 6 at an opening of the screw hole 1a. The insulating bushing 4 is projected inside the spot facing portion 6 by penetrating the radiating plate 2 and the insulating sheet 3, and a through-hole 3a through which the insulating bushing 4 in the insulating sheet 3 passes is made smaller than an opening of the spot facing portion 6. COPYRIGHT: (C)2005,JPO&NCIPI