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Thread: touch screen

  1. #1
    Associate Engineer
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    Jun 2022
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    touch screen

    Hello

    I was wondering what does indium tin oxide coated glass do in touch screens. Does it convert heat into electricity. I was wondering how does a touch screen sense a finger? What is being converted into electricity and what is doing the conversion? I asked google but I can't get the specific details on what is being converted and what doing the conversion.

    Thank you

  2. #2
    Kelly_Bramble's Avatar
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    Feb 2011
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    Indium is used in many high-tech devices such as touch screens, smart phones, solar panels and smart windows, in the form of indium tin oxide. This compound is optically transparent and electrically conductive — the two crucial features required for touch screens to work.

  3. #3
    Associate Engineer
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    Jun 2022
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    That doesn't answer my question. I found that answer on google. I want to know what is being converted into electricity and what is doing the conversion.

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