Electronics Forum: wire and band (Page 1 of 7)

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

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

Solder pot & wire tinning help

Electronics Forum | Mon Mar 02 11:15:23 EST 2020 | slthomas

You'll want to chop your solder into "bite sized" pieces for your pot, by the way. A bolt cutter or a band saw are a couple of ways to do it without ruining other precision tools. It's up to you for the alloy you use, but there are several (some

Re: SMT repairs using wire links

Electronics Forum | Thu Sep 10 21:44:48 EDT 1998 | Steve Gregory

I'll stop talking to myself and wonder how big Steve G is doing these days. Earl Moon Hey Earl! I was wondering the same thing about you a few weeks back when we didn't hear much from you...but, I'm doing okay. Been busier than a one-legged

Re: SMT repairs using wire links

Electronics Forum | Fri Sep 11 09:36:04 EDT 1998 | Earl Moon

I'll stop talking to myself and wonder how big Steve G is doing these days. Earl Moon Hey Earl! I was wondering the same thing about you a few weeks back when we didn't hear much from you...but, I'm doing okay. Been busier than a one

Manual soldering - solder wire diameter and soldering iron tip size for different component sizes

Electronics Forum | Tue Apr 16 05:05:32 EDT 2013 | stivais

We recently had a discussion with customer's QM - he claims that calculations for a proper solder wire diameter and soldering iron tip size (and temperature) have to be performed and documented for all manual (T/H) solderings (based on component size

COB and Plating

Electronics Forum | Tue Oct 07 12:35:10 EDT 2008 | andy_pal

Hi All, I am using COB on my DOUBLE SIDED PCB. lastly we used Eletrolytic Ni / Flash Gold Plating. Our Boards vias Failed the UL corrosion Test. we did some cross-section analysis and found 10.75 �m of Nickel and 0.022 um of Gold and as the Process

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