Very quick eproxy question- Mtbr.com
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  1. #1
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    Very quick eproxy question

    hey!

    i'll make it quick....

    i want to mount a cree MC-E PCB to my copper heatsink/holder. what should i use?

    -Arctic Alumina Ceramic
    -Arctic Sliver 5 compound
    -any other, thatís reasonably priced and available in the UK

    remembering that the sliver is that much more expensive.

    (and when i attach my RC motor heat sink later, should i use a thermal epoxy as well?_

    thank for any help

    regards,
    Joe

  2. #2
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    Artic Alumina Ceramic Epoxy/Adhesive will work fine for the star.
    You can use it on the heat sinks as well.
    The silver offers better heat transfer, but AAA works fine.

  3. #3
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    Reputation: HEY HEY ITS HENDO's Avatar
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    reasonably priced and available in the UK
    try fleabay

    http://stores.ebay.co.uk/Sata-City_CPU-Thermal-Paste
    Last edited by HEY HEY ITS HENDO; 03-13-2009 at 02:56 AM.
    ...Scun.thorpe, UK

  4. #4
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    On my lights I have used a CPU thermal paste (just a tiny drop) and mounted the star tightly with a two screws. This way I have an excellent thermal contact (probably better than a thermal epoxy/adhesive) and the star is easily removable should there be any need. CPU thermal paste should also be cheaper. Whatever you use, keep in mind that it has a much higher thermal resistance than both the aluminium and the copper so keep it as thin as possible - just to fill in the microscopic holes but not to prevent the direct contact between the star and the heat sink.

  5. #5
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    Reputation: Jim Z in VT's Avatar
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    Be sure to choose one that's "adhesive" or "epoxy". The "compound" or "paste" is just a thermally conductive material but needs screws or some other sort of mechanical hold-down.

    JZ
    It's not about speed, it's about lack of control.

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