Electronics Forum | Wed Jun 30 03:56:45 EDT 2010 | tpvnew
Thanks for the input. I am reading IPC9850 and have a question on its statement. ========================================================== 4.2.9 Preventative Maintenance (PM) Time ... Calculation Method: Multiply the amount of time required for ea
Electronics Forum | Tue Nov 06 12:43:31 EST 2012 | deanm
4.2.7.1 states, ...If the bake temperature is not greater than 90 °C, there is no practical limit on bake time... If I interpret that correctly, then you may keep MSDs in a 40 deg. C oven indefinitely with no adverse conditions. Instead of opting
Electronics Forum | Tue Jan 14 13:26:28 EST 2014 | emeto
You can also see this: http://www.efd-inc.com/NR/rdonlyres/7C8592BD-70D0-4A0A-91C4-2A2743EB6710/0/EFDFrequentlyAskedQuestions.pdf
Electronics Forum | Mon May 07 11:09:49 EDT 2007 | davef
4 Fluxer Operation 4.1 Set-Up and Check-Out the Fluxer 4.1.1 Spray Fluxer Set-Up and Check-Out 4.1.1.1 Pass a sample unsoldered board through the machine. 4.1.1.2 Remove the board just after passing through the fluxer and the air knife. 4.1.1.3
Electronics Forum | Mon May 04 10:49:55 EDT 2015 | scott00
Thomas, I know a HDI PCB house from China,They manufactured some high complex HDI jobs for me,some HDI pcbs are 10L(3+4+3),(4+2+4),and 12L(4+4+4),and some HDI pcb jobs are 2/2mil min trace width/space,the quality are very nice,you can make a try.t
Electronics Forum | Sun Nov 08 15:27:25 EST 2015 | davef
Thinner: Flux thinner, NOT paint thinner We kept a spare stone in thinner in inventory. We cut PVC pipe to size, cap in one end, screw thread on the other, stone inside, filled with flux thinner and covered with a screw cap. I don't remember who we
Electronics Forum | Tue Jun 26 21:41:10 EDT 2007 | davef
4.4 Determine the amount of flux on the board. 4.4.1 Get a piece of corrugated cardboard and a weighing scale accurate to 0.01 grams. NOTE: Use cardboard with alcohol fluxes to slow their evaporation and get good data. 4.4.2 Weigh the cardboard. 4.4
Electronics Forum | Fri Feb 17 16:46:29 EST 2006 | GS
Hi CW, mine is not the answer to your questions, but I suggest you to take a look of the latest level of J-STD-033B (October 2005) The J-STD-033A was from July-2002, and several important points are different from latest level. For instance, in Cha
Electronics Forum | Fri Feb 17 16:50:58 EST 2006 | GS
Hi CW, mine is not the answer to your questions, but I suggest you to take a look of the latest level of J-STD-033B (October 2005) The J-STD-033A was from July-2002, and several important points are different from latest level.For instance, J-
Electronics Forum | Thu Nov 04 19:42:21 EDT 2010 | eadthem
We do almost exclusively SMT parts but for solder with a 45 degree fillet angle use vertical light type and a binarise threshold of 128(1/2 dark 1/2 light) and use the 2nd option or dark=dark light=light _|" in vertical light solder fillet is dar
