Category Archives: Environmental Sealing

What is Silver Migration in a Membrane Switch?

What is Silver Migration in a Membrane Switch? The Case Against Printed Silver – “Silver Migration” The biggest case against using printed silver circuitry and thus using copper flex circuity is a phenomenon known as silver migration which occurs in microelectronics, components, PCB assemblies and membrane switches. Silver migration is the… Continue Reading →

Designing a Waterproof (IP67) Membrane Switch

Designing a Waterproof (IP67) Membrane Switch Many customers come to CSI Keyboards looking for a waterproof IP67 membrane switch. CSI utilizes two major design techniques in order to waterproof a membrane switch: utilizing a frame seal gasket; and the use of copper flex circuitry. There are other methods and ways… Continue Reading →

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