Electronics Forum | Thu Mar 20 14:05:17 EST 2003 | MA/NY DDave
Hi Rene Great, I am glad to see that you are recommending by experience placement control as affected by the pick operation. Neat to see you are also noting a thinner paste deposition. YiEng, MA/NY DDave
Electronics Forum | Wed Mar 26 15:53:47 EST 2003 | russ
If you are applying paste, you should duplicate the profile recommended by the paste manufacturer. If you are applying flux only than you need to ensure that you do not exceed max temp and/or ramp-rates such as
Electronics Forum | Sun Mar 30 20:21:44 EST 2003 | iman
we are using a "recommend supplier profile", and we have gotten back to the talking table with them over this profile specs. Thanks for the pointer, have ask them on this issue. Have also asked for their phase-transistion diagram to understand their
Electronics Forum | Fri Apr 04 05:04:49 EST 2003 | iman
10Mohm DI washing. On the paste supplier recommendation, we sent sampling boards for Ionic Contamination test with specs
Electronics Forum | Fri Apr 11 09:14:36 EDT 2003 | gdstanton
Can anyone recommend a PWB manufacturer who has demonstrated a mature micro via process? Looking for suggestions both domestically and internationally. Thanks in advance for your help. Greg
Electronics Forum | Thu Apr 24 09:03:19 EDT 2003 | jgregory
Thanks Dave, great info! I will be looking into your recommendations. Our AmeriVacs unit is lacking in the robust design department as far as I'm concerned. I don't like the pliable rubber sealers. They deform too much. Jason Gregory
Electronics Forum | Wed Apr 23 21:04:57 EDT 2003 | BOB
Now I urgently need the standard of IPC-2252 Design guideline for RF/Microwave PCBs, Who can help me? By the way,who can recommend some DFM experts on RF PCB design?look forward to your responding.thank you!
Electronics Forum | Mon May 12 22:40:19 EDT 2003 | nyazga
I have always heard to use solder with 2 percent silver to reduce gold embrittlment. One vendor site said this is a myth. Does anyone know of a specific document recommending this such as IPC or MIL spec. ???
Electronics Forum | Thu May 29 16:29:09 EDT 2003 | swagner
I do not recommend using a HASL finish, you will have a very tough time printing repeatably.
Electronics Forum | Wed Apr 14 09:44:34 EDT 2004 | Vince Whipple
Frank, Your initial question about temperature profiling is a critical point to a good wave solder process. Especially if you have a No Clean flux. As recommended by many in the thread above, get the Process Data Sheet for your flux (this is not the
