Hello Everybody


!
    Please help in following regards



    1) I would like to know the process parameters(temperature and
concentration of etchants) and the etchants required for etching 500 micron
hole through normal glass and pyrex 7740. The masking layer will be
Cr/AU.
    2) Vendors for pyrex 7740, who can deliver some 30 pieces of pyrex
7740 at earliest. I'm based in India.
    3) The kind of (quality and quantity) of work I should do on anodic
bonding and glass etching to get an IEEE paper published



    Thanking in advance to those who reply.



    with warm regards to all



    BALGOVIND
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