Dear Members,

    I need information/help for the following.

    AA.Presently we buy masslam.How to ensure drilling accuracy with
    reference to inner layers.We do only four layer boards now.
    Any simple equipments to see drill hole accuracy with reference to
    innerlayers.Currently I etch one panel after drilling to check
    the drill hole concntrcity w.r.t IL


    BB.Any simplle equipment to measure the remaining thicknees after
     V-cut(v groove)

    CC.We need to introduce lot tracability.Any suggestion in this
     regard.Any ipc /mil spec detailing possible method?

    Thanks in advance for the information

    R.Srinivasan
    Engineering Mrg
    Likom PCB SDN BHD
    Malacca
    Malaysia
    Ph:+60 6 3345666 ext3030
    Fax:+60 6 3345033
    e-mail:[log in to unmask]
    http://www.likom.com.my