What is this black layer?

Discussion in 'Hardware Components and Aftermarket Upgrades' started by Slam2Fast, Nov 4, 2019.

  1. Slam2Fast

    Slam2Fast Notebook Enthusiast

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    Hi guys, I saw on many laptop motherboards that some heatpipes, heat sinks have some black layer stick on it, what is that? what is the function of that layer? - Thank you.

    This is a picture of Lenovo y740.
    [​IMG]
     
  2. yrekabakery

    yrekabakery Notebook Virtuoso

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    It’s just black tape.
     
  3. eth3rton

    eth3rton Notebook Consultant

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    Always thought it was thermal tape.
     
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