Oct 11, 2020
05:49 PM
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Oct 11, 2020
05:49 PM
Hi Sir,
请问下在使用CY8C4248LQI-BL583进行PCB设计时,触摸区域露铜效果好还是盖一层绿油效果好?
谢谢。
Hi Sir,
When using CY8C4248QI-BL583 for PCB design, is it better to expose copper in the touch area or cover it with green oil?
thank you
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Oct 15, 2020
11:56 PM
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Oct 15, 2020
11:56 PM
2 Replies
Oct 15, 2020
04:43 AM
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Oct 15, 2020
04:43 AM
Hi,
Can you please elaborate what do you mean by touch area? Does it mean the potential areas on the PCB where the user may touch the board? If yes, it is better to cover them because the user may inject ESD into the chip through the open copper traces. This may damage the device. So it is always better to cover unused copper pads with insulator.
Hope this helps !
Thanks
Ganesh
Oct 15, 2020
11:56 PM
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Oct 15, 2020
11:56 PM
这个没有明显的区别,毕竟触摸动作需要透过盖板,不是手指直接触摸在Sensor Pad 上,所以铺不铺绿油对信号没有什么影响。