Electronics Forum | Fri Jul 18 03:21:59 EDT 2014 | skipbruce
Hello June The following infomationI find from net for you reference. OSP (Organic Solderability Preservative) 1)Preserves copper surface from oxidation until asse mbly. 2) Very thin coating (100-4000 Angstroms). 3)Applied in a vertical (dip tank
Electronics Forum | Thu Jan 23 20:27:54 EST 2003 | joeherz
Hello, We recently installed a new/used UPK 650 fitted with a foam fluxer using an RMA flux chemistry. We have had problems with icicling and bridging from the beginning. The bridging occurs mostly on DIPs and connectors. The icicling is on longer
Electronics Forum | Sat Feb 05 09:13:39 EST 2000 | Dave F
Hany: In response to your questions: 1- In a double wave solder M/C, is possible to completely eliminate the second wave without affecting the quality of the solder joints? Many w/s machines have a turbulent wave and a smooth wave. The turbule
Electronics Forum | Tue Oct 06 17:17:44 EDT 1998 | Chrys
| We are experiencing poor wetting on various components placed on a PCB with En-Tek coating. Is anyone else experiencing simular problems ? We have the following questions: | | 1. How can the thickness of the En-tek coating be measured? | 2. Is En
Electronics Forum | Thu Oct 04 00:00:58 EDT 2018 | gaintstar
Flason SMT Reflow Ovens: http://www.flason-smt.com/product/China-Reflow-oven.html http://www.flason-smt.com/product/China-Samsung-EXCEN-PRO-High-Speed-SMT-Modular-Chip-Mounter-agent.html http://www.flason-smt.com/product/China-Samsung-SM321-High-Spe
Electronics Forum | Sun Jan 31 22:55:33 EST 1999 | Dennis O'Donnell
| | Hello Netters, | | | | I need some info, Earl or Dave, I have a PCB that exhibits a white layer on solder side. It does not appear to be surface residues (IPA has no effect), but looks like its under solder mask. My first guess is that the LPI
Electronics Forum | Wed Feb 03 04:44:43 EST 1999 | Jeff Sanchez
| | | Hello Netters, | | | | | | I need some info, Earl or Dave, I have a PCB that exhibits a white layer on solder side. It does not appear to be surface residues (IPA has no effect), but looks like its under solder mask. My first guess is that t
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