Electronics Forum | Sat Jan 06 22:09:53 EST 2001 | Greenman
Cory, I've got a lot of experience of testing of this type. The physical (not chemical) nature of the flux residues is the crucial issue in compatibility. If you have a softer residue (either caused by a thick initial solder paste deposit, or a low p
Electronics Forum | Tue Apr 20 16:41:52 EDT 1999 | Justin Medernach
| I am wondering if anyone has any info regarding solder paste misprint clean-up procedures for Entek Plus CU-106A PCB's utilizing a water-clean solder paste. In a implementation procedure they recommend a 2-3 minute wash cycle with the following cr
Electronics Forum | Thu Mar 09 10:19:24 EST 2000 | Ashok Dhawan
I have a question (s) on ESD- all related to use of wood in a typical PCB Assembly line: 1. How a wooden mini stool if used for holding tote box ( card board with static protecive coat, black color) can affect static sensitive devices inside the tot
Electronics Forum | Thu Mar 09 10:19:24 EST 2000 | Ashok Dhawan
I have a question (s) on ESD- all related to use of wood in a typical PCB Assembly line: 1. How a wooden mini stool if used for holding tote box ( card board with static protecive coat, black color) can affect static sensitive devices inside the tot
Electronics Forum | Thu Jul 15 19:05:58 EDT 1999 | Earl Moon
| | | We have been encountering diminishing ball shear readings these past few weeks, despite the fact that we did not change any ball shear tester parameter. Our reflow parameters are also within spec limits. ( 210-220 deg C max temp. and 40-60 sec
Electronics Forum | Tue Dec 14 09:32:59 EST 2004 | patrickbruneel
Hi Paul, One thing I can tell you for sure "lead free" is not going to solve your problem, because spectrum analysis have shown that dendrites at there final stage always consists of pure tin. The higher the tin content the higher the risk for dead
Electronics Forum | Fri Aug 31 08:45:33 EDT 2001 | 0704494250
Hey peoples, We are working with the dairy > industry out here and they asked us to start > reworking all there boards for them. Of course we > said yes, hehe. Only we didn't know what them > farmers coated them boards with. It turned out to
Electronics Forum | Thu Mar 09 16:56:19 EST 2000 | Dave F
Ashok: If I was to count, I'd guess there was more than 4 subquestions. Hey, but who's countin' anyway? I have answer (s) "on ESD all related to use of wood in a typical PCB Assembly line:" Before pushing-on, it is only "a typical PCB Assembly li
Electronics Forum | Thu Mar 09 16:56:19 EST 2000 | Dave F
Ashok: If I was to count, I'd guess there was more than 4 subquestions. Hey, but who's countin' anyway? I have answer (s) "on ESD all related to use of wood in a typical PCB Assembly line:" Before pushing-on, it is only "a typical PCB Assembly li
Electronics Forum | Fri Apr 07 17:17:55 EDT 2000 | Dave F
Ashok: You should select and use low residue tapes. But ya know, ya go out and research a great tape and if yer not careful, the buyer will second source ya and (surprise) ya got residues again. We have found that Lemme say this about Katon tape
