Electronic device and method for coping with electrostatic discharge
View Patent ↗According to an aspect of the present invention, there is provided an electronic device including: a substrate board; a semiconductor device mounted on the substrate board; a heat sink configured to radiate heat from the semiconductor device; a first conductive portion provided on the substrate board; and a second conductive portion provided on the substrate board, the second conductive portion separated from the first conductive portion by a discharge gap, wherein: the heat sink is electrically connected to the first conductive portion; and the second conductive portion is grounded.
1. An electronic device comprising:
a semiconductor device arranged on a substrate board;
a heat sink arranged on the semiconductor device and cooling the semiconductor device;
a first conductive portion arranged on the substrate board and electrically connected to the heat sink; and
a second conductive portion arranged on the substrate board, the second conductive portion being separated from the first conductive portion by a discharge gap and being grounded.
2. The electronic device of claim 1 ,
wherein the heat sink is electrically connected with the first conductive portion through a fixing member that fixes the heat sink.
3. The electronic device of claim 1 ,
wherein the heat sink is electrically connected with the first conductive portion through a spring member.
4. The electronic device of claim 1 , wherein
at least one of the first conductive portion and the second conductive portion comprises a sharp portion at the discharge gap.
5. The electronic device of claim 1 , further comprising a tuner module that receives a broadcast wave.
6. The electronic device of claim 1 , further comprising:
a case that accommodates the heat sink and the semiconductor device,
wherein the case comprises a slit arranged near the heat sink.
7. The electronic device of claim 1 ,
wherein the heat sink is not electrically connected with the semiconductor device.
8. The electronic device of claim 5 ,
wherein the semiconductor device comprises a decoder module that decodes the broadcast wave received by the tuner module.