Comments

  1. Jim Hall:

    Dear Dr Ron,
    We have received reports that XRF instruments have identified Lead on unpopulated PCB's with Lead-Free surface coatings which had been processed in a cleaner which was also used for lead bearing PCB's. Is this a violation of RoHS, I agree no. But it emphasises the need for careful calibration and interpretation of results from instruments used to validate RoHS compliance.

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