Electronics Forum | Wed Oct 23 15:33:38 EDT 2002 | Randy V.
Dye penetrant is a liguid that will wick through very small cracks. I used over 10 years ago for checking cracks in glass feedthru's in hermetic packages. You put the dye on one side of the seal and developer (white) on the other side and the red dye
Electronics Forum | Tue Oct 29 15:25:12 EST 2002 | russ
Thanks for the info, I have previously not used the Ps and Qs so to speak and I am finding now that we are running into trouble mostly due to component height and body sizes. So for example we currently have "16 pin SOP" what we need is "16 pin SOP,
Electronics Forum | Wed Oct 30 11:34:12 EST 2002 | Jeff Park
I purchased a used 1993 JOT stacker and when we recieved it the battery in the Omron Controller was dead so the program is lost. I have tried to get a copy of this program directly from JOT but they can not locate a copy of it as they say they have c
Electronics Forum | Thu Oct 31 11:29:34 EST 2002 | ricardof
When we buy equipment from a broker or used eq. dealer we try to support that equipment with our own skills, and this is achievable for new equipment or equipment similar to that one we're using. But when we buy older platforms or a machine with old
Electronics Forum | Thu Oct 31 11:08:12 EST 2002 | soupatech
Being very new to SMT I won't assume I know what the problem is but.... I had lots of air pockets in solder joints, 95% of the boards. Everyone I spoke to thought it was a problem with my process but when one board was sent to our supplier they admi
Electronics Forum | Thu Oct 31 08:02:12 EST 2002 | davidweir
we are looking at buying an screen printer and are curretly have an mpm up1500 and dek ela on the shortlist both silimar spec's except mpm has automatic tooling. being a cem having to change set up a number of time a week quick change over is a co
Electronics Forum | Wed Nov 06 08:59:51 EST 2002 | rmorford
This defect is there after reflow. My first thought was that the boards had some sort of contamination, too. This is a new PCB manufacturer for this board (they have been making other boards for us). But... why only on the connectors -- why only o
Electronics Forum | Wed Nov 06 17:50:46 EST 2002 | davef
I hear you on the profiling issue. That won't get at the issue any how. Your observation of solder wetting confirms that solderability is NOT the issue. You may be seeing a "cold solder connection". The issue is the TCE of the different materia
Electronics Forum | Wed Nov 06 18:27:18 EST 2002 | MikeF
At this time we will be hand spraying acrylic, probably using spray cans until we decide on a spray gun or an air brush, and get one ordered. Our volume is too low to even consider an automated system. Our current requirement is on an item designed
Electronics Forum | Thu Nov 07 04:24:24 EST 2002 | Yngwie
Thanks for the reply guys...It was much appreciated. On syringe or Cartridge - what about the impact of flux migration, there was a talk about, periodically we need to turn the cartridge or syringe upside down to ensure the metal content & flux are a
