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Solved What type of silver tape is used in laptop between touch-pad and keyboard (see photo)

Discussion in 'Hardware' started by silber, May 5, 2019.

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  1. silber

    silber Thread Starter

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    What is the silver tape shown on the photo (no 1) between the touch-pad and keyboard bracket and what is it there for?

    I was removing the touch-pad and now the adhesive underneath some parts of the silver (aluminium?) tape is not holding anymore. I was wondering what is the tape there for and if I should put a new tape?
    I searched the net for the answer but could not find out if it's a normal, aluminium tape that I can get from a DIY shop or something else.

    Also, out of my curiosity, there is a different silver tape next to the HDMI socket (no 2 on the photo). Does anyone know what type of tape is that?


    Asus TP550LA palmrest_annotted.jpg
     
    Last edited: May 5, 2019
  2. cwwozniak

    cwwozniak Trusted Advisor Spam Fighter

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    Hi silber, and welcome to TSG.

    Tape #1 is most likely a special aluminum tape with an electrically conductive adhesive. It most likely is being used in the laptop to improve the electrical interference shielding inside the laptop. The conductive adhesive allows the tape to electrically connect two pieces of metal. Not using it may increase the amount of electrical noise emitted by your laptop and interfere with nearby electronics or it could even interfere with the internal operation of portions of the laptop, such as causing the touchpad to report false touches. You typical hardware store or home improvement center may carry aluminum tape for HVAC applications to seal ductwork and such. It would not work for you because the adhesive is usually not electrically conductive on such tape. Here is a link to one type of tape that should work for you and sold by Amazon.

    https://www.amazon.com/2-6-1120-Alu...inum+tape&qid=1557080759&s=industrial&sr=1-13

    Tape #2 looks to probably be a mesh conductive tape made from either aluminum wire or tin plated copper wire and also having a conductive adhesive. Finding a source for that may require going to an electronics distributor such as Digi-Key or Mouser Electronics if you are in the USA.
     
  3. managed

    managed Trusted Advisor Spam Fighter

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    If you tell us the make and full model of the laptop we might be able to find out more.
     
  4. silber

    silber Thread Starter

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    Thank you, cwwozniak!
    This is a great explanation.
     
  5. silber

    silber Thread Starter

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    Thank you for your reply.
    It is TP550L.
     
  6. managed

    managed Trusted Advisor Spam Fighter

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    Didn't find anything online about the tape but I think you'll be ok if you can reuse the original tapes.
     
  7. silber

    silber Thread Starter

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    Thank you for checking :)
     
  8. managed

    managed Trusted Advisor Spam Fighter

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    You're most welcome. (y)
     
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