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Which materials work with capacitive touch screens?

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Material that will act as a conductor for electron 'flow' by reducing the atmospheric pressure sensed by the digitizer when it is touched, compared to pressure sensed when the capacitive touch circuit has an open condition. read more

Material that will act as a conductor for electron ‘flow’ by reducing the atmospheric pressure sensed by the digitizer when it is touched, compared to pressure sensed when the capacitive touch circuit has an open condition. read more

Probably the most interesting material that can be used to activate a capacitive touch screen is a sponge. But a sponge is a bit too flexible to make an effective stylus as it is. To fix this, the easiest thing to do is to insert the sponge into a metal pen barrel or other metal tube. This gives it shape and makes it a lot easier to work with. read more

Copper capacitive sensors can be implemented on standard FR4 PCBs as well as on flexible material. ITO allows the capacitive sensor to be up to 90% transparent (for one layer solutions, such as touch phone screens). read more

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