Electronics Forum | Wed Jun 16 07:01:26 EDT 2021 | tommy_magyar
Hi Edgar, I am not aware of any standards either, but from own experience can tell that if there are boards going through oven with PPM between 1500-2000 the solder will be dark (unaesthetic) although some of our customers accepted them if they were
Electronics Forum | Thu Jun 10 13:29:21 EDT 2021 | edgar_smt_ap
Good morning. What should be the Oxygen content Standard in an Oven? Here in my company, we have an ERSA reflow Oven, and we work with Lead Free solder paste. According to Work Standard documents send by my company corporate, the PPM Oxygen conte
Electronics Forum | Mon Aug 09 04:15:33 EDT 1999 | Jacqueline Coia
I am having cleaning problems when processing PCB's which have TAIYO solder mask on them. After processing, hand soldering and cleaning, a sticky residue is remains, resulting in a cosmetically poor finish with tide marks etc. Other soldermasks do no
Electronics Forum | Tue May 04 14:45:40 EDT 2010 | bruna
Hello Does anyone can give feedback about this two analyzers (zirox and delta f 150)? In fact we are trying to understand which is better for wave soldering, benefits and prejudice. Does anyone work with both? Thanks
Electronics Forum | Wed Jan 05 14:45:14 EST 2000 | Hoyt Moore
Does anybody know how to remove solder mask from pads that were masked over.
Electronics Forum | Fri May 21 09:48:30 EDT 2010 | tomg_fla
Am looking for a dispensable water soluble solder mask or peelable solder mask that can be dispensed and be run through a reflow oven with no swelling or degradation. Any leads on any materials or manufacturers to contact?
Electronics Forum | Wed Dec 18 08:38:17 EST 2002 | davef
Thanks Tim. Additional thoughts are: * We've talked here on SMTnet about hole fill previously. * That your ability to get hole fill is probably limited by mask in the hole makes us very uneasy, because hole could have varying levels of solder mask i
Electronics Forum | Wed Dec 11 11:35:15 EST 2019 | dilogic
Just out of curiosity - what is the rationale behind specifying mask thicknes?
Electronics Forum | Wed Dec 11 13:00:07 EST 2019 | slthomas
Excessive mask thickness also can wreak havoc on stencil printing.
Electronics Forum | Wed Oct 13 12:07:43 EDT 1999 | mikeh
Hi, I am currently using a peelable mask prior to wave soldering and have started exploring water soluble/washable masks. The mask will be used with water based and alcohol based flux. Are there any compatability issues to concider and how will this
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