Electronics Forum | Tue Jun 22 13:29:29 EDT 1999 | Deon Nungaray
| We're a CM doing low volume/high mix and are considering buying from one of the two big names, TR** or Sp*******/El*********. We need saponified wash for some of our no-clean over wave; the great majority is OA from our SMT lines. Any thoughts? |
Electronics Forum | Thu Jun 17 19:40:11 EDT 1999 | Scott Cook
| 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
Electronics Forum | Thu Jun 17 19:40:27 EDT 1999 | Scott Cook
| 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
Electronics Forum | Thu Jun 17 19:41:29 EDT 1999 | Scott Cook
| | 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.
Electronics Forum | Tue Jun 15 09:06:25 EDT 1999 | Clifford Peaslee
Actually, it isn't as far as I can tell. The improvement has been greatly increased since the move. It does still go down from time to time, but the down time is much shorter in length, and not as frequent. We have a high speed line in the office her
Electronics Forum | Thu Jun 17 10:20:15 EDT 1999 | Brian Wycoff
| | | Dear All, | | | | | | We are having a big debate over what is the industry standard in DPPM on the wave sodlering process. is a DPPM of about 800 satisfactory. As per our big bosses it should not be more than 50 DPPM. Is the figure realistic
Electronics Forum | Wed Jun 16 07:46:45 EDT 1999 | Glynn Technologies and Manufacturing
| We are a medium sized PCB assy. house manufacturing about 2000 motherboards a day. There is a major problem we are facing at the wave soldering stage, i.e. warpage of the PCB. As soon as the PCB touches the wave it warps severely from the centre
Electronics Forum | Fri Jun 04 09:20:55 EDT 1999 | HST-SE
Al, We make stencils, and I was personally involved at AMTX when the electroformed process was developed. Some of this will sound like an ad, but everyone has been volunteering vendors and so look at this as a suggestion. Electroforming is an addit
Electronics Forum | Mon Jun 07 15:48:14 EDT 1999 | Tim
Thanks to all for the input. Earl's was the wackiest, what with the mention of "hollywierd" and " safe sex." Just to set the record straight, I never said we had no process controls. What I said was that I am in the middle. My factory uses one ty
Electronics Forum | Wed Jun 02 09:50:00 EDT 1999 | Earl Moon
| Hello all | I have a question concerning whether or not there is any special requirements to follow for assembly of a Polyimide PCB card. The customer has the following information on there documentation but since we have never built anything with
