A MULTICOLOUR LASER MARKING METHOD
    1.
    发明申请

    公开(公告)号:WO2018096096A1

    公开(公告)日:2018-05-31

    申请号:PCT/EP2017/080332

    申请日:2017-11-24

    Abstract: A laser markable article comprising a first laser markable layer capable of forming a colour upon exposure to UV radiation, a second and optionally a third laser markable layer capable of forming a colour upon exposure to IR radiation, characterized in that the second or third laser markable layer comprises a specific polymethine infrared radiation absorbing dye (IR dye). Also a colour laser marking method is disclosed wherein a first colour is formed upon exposure to UV radiation and a second and optionally a third colour upon exposure to IR radiation.

    SOLDER MASK INKJET INKS FOR MANUFACTURING PRINTED CIRCUIT BOARDS
    2.
    发明申请
    SOLDER MASK INKJET INKS FOR MANUFACTURING PRINTED CIRCUIT BOARDS 审中-公开
    用于制造印刷电路板的焊料喷墨印刷油墨

    公开(公告)号:WO2018087052A1

    公开(公告)日:2018-05-17

    申请号:PCT/EP2017/078381

    申请日:2017-11-07

    Abstract: The invention provides an inkjet method for producing a solder mask in the manufacture of a Printed Circuit Board. By using a solder mask inkjet ink containing at least one photo-initiator, at least one free radical polymerizable compound and at least one RAFT compound as adhesion promoter, a high quality solder mask withstanding the high thermal stress during the soldering process while maintaining excellent physical properties, may be produced.

    Abstract translation: 本发明提供了用于在印刷电路板的制造中制造焊接掩模的喷墨方法。 通过使用含有至少一种光引发剂,至少一种自由基可聚合化合物和至少一种RAFT化合物作为助粘剂的阻焊喷墨油墨,高质量焊料掩模在焊接过程中承受高热应力,同时保持优异的物理 属性,可能会产生。

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