Electronics Forum | Tue May 14 13:19:23 EDT 2002 | stefwitt
Claude is right, however, this may work: Dip the empty board in paint and let the access paint drip off. Measure the volume of the paint before and after. Dip a populated board and measure how much more paint was required in percent. Measure the surf
Electronics Forum | Fri May 17 11:36:37 EDT 2002 | Hussman69
Hmmm... Why would you want to to this? I understand your concern, but why not let your stencil house manipulate your Gerber and send you a copy of it before they cut a stencil? Saves you time and money. Sit down with your stencil manufacturer and
Electronics Forum | Mon Jun 03 22:16:49 EDT 2002 | alex_kirichenko
Hi Jim! Just an idea.... There are some reflow ovens which use cooling on the bottom side of pcb during reflow for doublesided boards. It prevents solder on the bottom side to melt. You might try cooling your BGA while reflowing parts on opposit s
Electronics Forum | Tue May 28 18:51:11 EDT 2002 | peterson
Hi Jim, Great to have a connector person on-board. Working with backplanes as I do, an expert in the field is always welcome! My question is: How do you feel about connector "removal" tools? Are they worth the money? How would you remove a...8X25 VHD
Electronics Forum | Thu May 30 14:07:22 EDT 2002 | davef
Slappy The level of rightous indignation is well done, but sarcasm seems a bit overdone. Just a twinge of it would have been fine. Needs some work. Good shot at it though. Yano, maybe the 'cursing of eyes' bit was a little over the top also. Po
Electronics Forum | Fri May 31 14:02:23 EDT 2002 | dougt
Russ We decided to use a PC-104 brd for a piece of equipment and had to make a "PC-104 Adaptor Brd" as it is affectionately known. The actual PC104 connectors came with what they called a solder system, a flat piece of solder with holes in it that w
Electronics Forum | Thu Jun 06 15:52:38 EDT 2002 | dason_c
It is normal recommended by the paste supplier. Indium paste claim that it can worked on high temp/RH area. Also, check Aim solder web site and they have a good solder paste handling guideline. Internally, we control our environment not exceed 27C
Electronics Forum | Thu Jun 06 08:23:56 EDT 2002 | caldon
I have not seen any, but that does not mean they do not exist. I do know lead-free is starting to loose its momentum. Compliance dates are being pushed back. And also some of the European standards developments are starting to make exceptions (i.e. m
Electronics Forum | Wed Jun 12 10:42:06 EDT 2002 | stepheno
Check your land patterns. I believe someone once made a typo on specs for land pattern spacing and the specs are still being used by some people. I worked for a CM that had a customer that spaced the pads for 0402's too far apart. It was the only
Electronics Forum | Mon Jan 26 09:44:13 EST 2004 | Dave Chapman
Dave , I am working with a West coast Liquidator, Which has a very good condition Amistar 1998 MT 5530LQ S/N 13908-87162 , Machine has 50 feeders 80 percent are 8mm balance are 12,&16's Has lazer centering , fiducial camera, and upward looking
