Electronics Forum: wire bond plating (Page 1 of 33)

COB and wire bond

Electronics Forum | Mon Jun 03 12:51:17 EDT 2002 | V.RAMANAND KINI

We are doing COB operations for nearly ten years. Pls. write to me if you need info on m/c selection, type of PCB, plating etc., Thanks V.RAMANAND KINI...03.06.02

COB and wire bond

Electronics Forum | Mon May 07 11:02:17 EDT 2001 | Singh

Hi all. I am looking into the implementation of the Chip on Board process with eutactic bonding and the then using either gold or aluminum wire to make wedge type wire bonding. Since I am totally new to this, can somebody guide me thru the process,

COB and wire bond

Electronics Forum | Mon May 07 22:29:52 EDT 2001 | davef

4 wire per sec ... you figure how many you need] Encapsulation ~$120K for a dispenser [10 sec per die ... you figure how many you need] plus a cure oven ~$100k Throw in a another ~$100k for marking and cleaning Check the September 2000 SMTnet New

COB and wire bond

Electronics Forum | Mon May 07 15:13:03 EDT 2001 | jdtpfacreate

Singh, The equipment varies in price. We make a wire bonder called the HW27U-H Wire Bonder. This is a gold to gold wire ball bonder. The substrate size you mention is within the area we can take into the machine. The key is the bonding area.

COB and wire bond

Electronics Forum | Tue Jun 04 19:33:16 EDT 2002 | rob_thomas

Dave's estimation is pretty conservative but there is a lot of equipment out there and a lot of people happy to make a sale.Implementing both mentioned processes it's difficult and time consuming .Even if you get good training from whoever sells you

Wire bond failure

Electronics Forum | Thu Jan 15 15:16:56 EST 2009 | jsherrow

We recently had our customer report a component failure trend of a few percent. Analysis indicates wire bond failure internal to a d-pak caused by what appears to be chlorine contamination. We're running a lead free process with aqueous wash. 700 co

Wire bond failure

Electronics Forum | Thu Jan 15 21:16:18 EST 2009 | davef

Our first impulse would be to blame someone else. We'd send some of the DPAK from inventory to: * Supplier * Outside failure analysis laboratory ... for delidding and analysis

gold wire bonding

Electronics Forum | Wed Dec 28 16:03:53 EST 2005 | Chris

I have lots of experience with thermosonic gold ball bonding. You can read the literature and you will probably find some papers that say you can do it. I have never been able to do it. We gold ball bond all day long with little problems at all bu

Plating for aluminum wire bonding

Electronics Forum | Tue May 13 21:08:24 EDT 2003 | ramanandkini

Dear Sir, Sorry for the delay in reply. This is regarding MIL standard for bond pull strength: MIL-STD-883C dt.25/08/83 Bond strength (destructive bond pull test); refer table-1 Minimum bond strengths for various wire composition & diameter given.

Aluminum wire bonding

Electronics Forum | Wed Mar 17 21:42:19 EST 1999 | Chuck Garth

We are presently aluminum wirebonding to gold plated lands. Our board manufacturer has been very inconsistient in the quality. It seems as though theey are over etched by about half the amount they should be. Can anyone give me the spec's that normal

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