Electronics Forum | Mon Aug 09 05:05:41 EDT 1999 | Brian
2 �S-cm at the moment of reaching the boards). The boards were tested immediately after cooling and conformally coated, using a PMMA product, with extremely high resistance, reasonable protection and good repairability but, of course, very tender che
Electronics Forum | Fri Jul 23 10:20:03 EDT 1999 | Mark D. Milward
Has anyone ever heard of testing solder paste quality by pasting a board and making a determination of the quality by measuring paste height and width after the board is pasted. Would you consider this a valid test for solder paste testing?
Electronics Forum | Tue Jul 13 18:18:39 EDT 1999 | King Kong
Hi All, Does any one experienced the solder on gold finger after reflow. Its about 5 to 8 mils diameter . We'd clean the entire screen printer, mounter & reflow as well, but doesn't help much.
Electronics Forum | Thu Jul 01 14:47:10 EDT 1999 | Tony
| | | My guess would be trapped flux continuing to be active after soldering. Is the tarnish there immediately after exiting the machine? Do you remove the mask and wash right away? If the solder is reflowing under the mask on the component side
Electronics Forum | Fri May 28 08:15:02 EDT 1999 | Clifford Peaslee
It is taking more time than we thought to set up the server. So, SMTnet will move this weekend or Monday, after the server is completely setup. Thanks, Cliff
Electronics Forum | Tue May 25 07:03:34 EDT 1999 | Milan Z.
After reflow proces in convection-IR oven we find broken body of SOT23 elements. There is no problems on other elements (SOIC, chip R,chip C, etc) Where is the problem? Thanks in advance!
Electronics Forum | Mon May 10 10:08:16 EDT 1999 | Rich Taylor
Can anyone tell me what the recommended "typical" cooling rates are after reflow? Are the cooling rates considered as critical to control as the heating rates and why/why not?
Electronics Forum | Mon Apr 12 18:33:35 EDT 1999 | Earl Moon
Thanks all you kind and knowledgeable folks. I no longer will be participating in this forum. After careful consideration, I have come to the conclusion registration, in the manner required to participate in what was an open forum, is not my bag.
Electronics Forum | Mon Apr 12 22:04:45 EDT 1999 | Jeff Sanchez
| Thanks all you kind and knowledgeable folks. I no longer will be participating in this forum. | | After careful consideration, I have come to the conclusion registration, in the manner required to participate in what was an open forum, is not my
Electronics Forum | Fri Mar 26 19:32:05 EST 1999 | Martin Dunning
I am a student doing a project on rework os BGAS and CSPS and Im looking for information on it especially rework of csps Has anyone got x-ray images of csps after rework or of BGAS to show csps with solder balls Appreciate any help Urgent!!!!