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CAPSENSE™ & MagSense

daxueseng
Level 1
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Level 1

I want to use a two layers FPC to design a slide with CY8CMBR3106S.But I'm not sure  if the soldermask(usually use PI material)  will  affect the sensitivity or not?Should I expose the slide segment pad?

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Hari
Moderator
Moderator 750 replies posted 500 replies posted 250 solutions authored
Moderator

Hi @daxueseng 

 

You do not have to provide a soldermask there. The insulating material will not drastically affect the sensitivity and will help in preventing the copper from oxidising and reducing performance over time. 

 

Best regards, 
Hari

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1 Reply
Hari
Moderator
Moderator 750 replies posted 500 replies posted 250 solutions authored
Moderator

Hi @daxueseng 

 

You do not have to provide a soldermask there. The insulating material will not drastically affect the sensitivity and will help in preventing the copper from oxidising and reducing performance over time. 

 

Best regards, 
Hari

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