All Questions
Tagged with wirebonding integrated-circuit
4 questions
0
votes
3
answers
306
views
Is it possible to desolder the bond wires by overheating a chip?
I was trying to solder some VQFN packaged chips for the first time using a hot air gun, because that's all I have. I set the temperature to rougly < 350°C and startet the process. Sometimes it ...
- 101
16
votes
3
answers
4k
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Why is gold preferred over silver for bond wire?
Silver is a better conductor than gold and in Integrated Circuit package where exposure to air should not be a concern Gold is used. Any particular advantage of using Gold over Silver?
- 721
0
votes
1
answer
640
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Safely removing bonding glue from an IC in order to identify it?
I have an IC, that has 5 visible bonds. The entire IC is covered with some sort of semi transparent bonding glue. I want to identify the IC and were thinking to remove the glue somehow. What chemical ...
- 829
11
votes
3
answers
2k
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Why does this EPROM have comb-like structures around the wire bonding pads?
I took some pictures of a Microchip EPROM die from the late 80s / early 90s (I can't recall the exact part number). The wire bonding pads are surrounded by a comb-like structure. What is the purpose ...
- 397