Dec 26, 2007 #1 M mailrapid Newbie level 6 Joined Dec 21, 2007 Messages 11 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,356 As we know, when it comes to wire bonding, we can image that it is "Au" bonding. Byt why not uses Ag or Cu bonding instead of Au?
As we know, when it comes to wire bonding, we can image that it is "Au" bonding. Byt why not uses Ag or Cu bonding instead of Au?
Dec 26, 2007 #2 M milkdragon Member level 3 Joined May 3, 2007 Messages 64 Helped 12 Reputation 24 Reaction score 7 Trophy points 1,288 Activity points 1,604 The main reason is that it is relatively flexible compare to copper. It is one good advantage during packaging process
The main reason is that it is relatively flexible compare to copper. It is one good advantage during packaging process
Dec 26, 2007 #3 wolly Member level 3 Joined Mar 8, 2006 Messages 58 Helped 10 Reputation 20 Reaction score 2 Trophy points 1,288 Activity points 1,519 Byt why not uses Ag or Cu bonding instead of Au Au is less prone to environmental damage on the long run so build up of high resistance or bad contact is avoided on the long run
Byt why not uses Ag or Cu bonding instead of Au Au is less prone to environmental damage on the long run so build up of high resistance or bad contact is avoided on the long run
Dec 27, 2007 #4 vandelay Advanced Member level 4 Joined Aug 16, 2007 Messages 119 Helped 6 Reputation 12 Reaction score 4 Trophy points 1,298 Location Norway Activity points 2,351 Both Ag and Cu corrode in one form or another leaving non-conductive deposits on the surface. Au does not.
Both Ag and Cu corrode in one form or another leaving non-conductive deposits on the surface. Au does not.