Electronics Forum: die and scratches (Page 1 of 5)

Re: Soldering die to heatsinks

Electronics Forum | Fri Apr 17 14:08:44 EDT 1998 | Earl Moon

| Currently I am in the buisness of soldering bare die to the top surface of a copper heat sink. Is any one else | have some exprience in this process that can help. We heat a copper slug through a contolled atmosphere, place a preform then a bare

Die placement with MPA-G3 pick and place

Electronics Forum | Thu Jun 06 07:53:51 EDT 2002 | Jim M.

Has anyone had much luck Picking and Placing die with a Panasonic MPA-G3?What special setups or considerations are required? Currently we pick and place one die with our Universal GSM using only one nozzle. The nozzle must be painted white in order

Juki KE-2050 and SMT XXS

Electronics Forum | Mon Jul 05 10:15:01 EDT 2021 | aurash

I bought KE2050R in 2020 and started nicely all in good order and after 2 days the HDD died on me. I wish I have made a mirror. I manage to make a HDD from scratch and I recalibrated the machine from because I had calibration data stored in flash (I

Die and Ply Procedure

Electronics Forum | Wed Jan 26 01:39:12 EST 2005 | sohct

Is there a procedure for the this test? If yes please forward to me. Thx.

Die and Ply Procedure

Electronics Forum | Wed Jan 26 09:27:41 EST 2005 | davef

Look here for more on dye & pry: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=25007

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

tape and reel machine

Electronics Forum | Tue Oct 09 14:10:24 EDT 2001 | cal

I am confused. You are using pressure sensitive tape. the pessure sensitive tape i have seen does not use cover tape.The pressure sensitive tape I am familiar with is called "Surftape" could you provide some more clarification?? Surftape is more co

tape and reel machine

Electronics Forum | Thu Oct 11 13:37:35 EDT 2001 | Stefan

The pressure sensitive tape is used as an alternative to heat sealed cover tape. It works usually quite well and is easily applied by the taping machine, but it can create some problems in the tape feeder. In the Surftape, Cal is referring to, the c

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


Electronics Forum | Tue Jul 09 10:15:17 EDT 2002 | msjohnston

Cal, Our parent company is a FAB and they are about to release a new generation of parts. Usually the die is qualified in a simple TSOP form factor. This time the first product quals will take place in the BGA and CSP from factors rather than the t

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