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Adding wire bonds to bottom side die pins

Question asked by eric.wuestenhagen on Jun 11, 2015



are there any special pitfalls when using bottom (back) side die pins? I have no problems to add wires from die top side to bondpads on the top side (WB1 in attached picture). But when I try to add a wire bond from a bottom side die pin (WB2 in attached picture) the wire connects to the top side of the die. I am using Expedition 7.9.4.