Electronics Forum: cleaning bare boards (Page 1 of 292)

Re: bare board problem

Electronics Forum | Fri Jun 18 11:37:10 EDT 1999 | Earl Moon

| | | | first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pa

Re: bare board problem

Electronics Forum | Fri Jun 18 15:04:19 EDT 1999 | Scott Cook

| Scott, | | I do hurt easy. Be gentle, at least that's what I tell all the women in my life though quickly diminishing supply - oops. I do not happen to believe this statement. I have seen you dodge many a penned "dart" on this very forum. Since I

Re: bare board problem

Electronics Forum | Fri Jun 18 15:54:29 EDT 1999 | M Cox

| | Scott, | | | | I do hurt easy. Be gentle, at least that's what I tell all the women in my life though quickly diminishing supply - oops. | | I do not happen to believe this statement. I have seen you dodge many a penned "dart" on this very foru

ESD suitability of bare wood

Electronics Forum | Mon Feb 11 21:57:03 EST 2002 | davef

Cal: What's a "sniffer"? No-Cleaners: * How do clean your board handling racks / carriers? * How do determine the level of residues on your boards? How often do you do that process?

ESD suitability of bare wood

Electronics Forum | Fri Feb 08 08:00:48 EST 2002 | caldon

Yet Again Dave spills his pearls of wisdom. Dave is correct in the moisture content wood absorbs. I know we have all visited factories with wood board holders and such. I have actually seen wood carts with drag chains. Also, keep in mind static can b

Do yo have to bake unused bare boards or just Vacuum Pack?

Electronics Forum | Thu Aug 24 15:54:13 EDT 2006 | davef

It depends. What is: * Storage environment and period * Board laminate, epoxy, and copper thickness of PTH * Down stream process * Etc FR4 0.062" thick boards absorb between 0.08 to 0.1%Wt of moisture within a 24 hour period, and 0.2 to 0.23%Wt in

SMT Line set-up - bare board??

Electronics Forum | Tue Apr 12 22:23:05 EDT 2005 | Al

The way we do this, is to tape a transparent film to the PCB. The printers and chip shooters can read fiducials no problems. Once it has been run through SMT, simply remove the tranparency film and the PCB is ready for use, no mess no cleaning and yo

ICT bare board

Electronics Forum | Mon Mar 12 08:00:14 EDT 2007 | rgduval

It sounds like you may be thinking of two different test methodologies. What is required? Bare-bard testing, to verify pcb fabrication? Or populated board testing, to verify manufacturing? If it's bare board testing, the fab house should advise a

Re: bare board problem

Electronics Forum | Fri Jun 18 10:24:12 EDT 1999 | John Thorup

| first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads. an

ICT bare board

Electronics Forum | Sat Mar 17 04:50:58 EDT 2007 | tanemmirt

thanks davef, your help was really segnificant.

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