How To Test The Thickness Of Copper On The Pcb?


I know the copper should be 1/4OZ,1/3OZ,1/2OZ,1OZ…, But how to measure it.
Thanks

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This entry was posted on Monday, June 29th, 2009 at 8:17 am and is filed under PCB FAQ. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “How To Test The Thickness Of Copper On The Pcb?”

  1. an Says:
    June 29th, 2009 at 10:11 am

    Measure? Etch off a small area and use a micrometer device.
    The OZ is OUNCE, the weight of copper spread over an area 1 ft x 1 ft.
    1/4oz is 8.5um
    1.2oz is 17um
    1oz is 34um
    1 1/2 is 51um

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