A big thank you to everyone. Really¡¡
  I'm very surprised with your help, more specific and faster than I could 
be expected
I was trying with a 15 mils wire with a semiautomatic large 
(ultrasonic-wedge) wirebonder older than me.
Now I'll buy a new aluminum wire (heavy aluminum seems the easiest/fastest 
solution) and also I'll start to search how to plate my copper pad.

Steve, can I understand (with the heavy aluminum option) from your answer 
that I must not worry about the environment? Can I do it in the open air?

I can't thank you enough your help


Josep M. Badia
Servei de Recursos Tècnics
Tèlf/Fax: 977 559630/559605
Univ. Rovira i Virgili

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