Electronics Forum | Tue May 16 13:55:12 EDT 2000 | Boca
John's right, Stevens makes a good product which lasts quite a while, they have many variations of products to choose from also. Another supplier is Dynamic Technologies, they make a titanium cover with a silicone compound jacket, pricey but they wo
Electronics Forum | Wed May 31 17:37:29 EDT 2000 | Arturo
I�m also having this problem with Panasonic film capacitor. Even when I have the correct pad size according to Panasonic data sheet the tombstoning occur. I am thinking that the problem could be the plating of the film capacitor. The only way I could
Electronics Forum | Thu May 04 05:04:04 EDT 2000 | Richard Durrant
I have a few lcc devices that have large metal areas on their bases that require them to be soldered to the board for thermal and electrical reasons. I have provided a large copper pad and thermal vias, but how do I describe the solder stencil inform
Electronics Forum | Thu Apr 27 10:35:21 EDT 2000 | Russ
Scott, I am a little confused, when you mention "silver thru hole vs. plated through hole what do you mean. A silver "immersion" type finish vs. HASL (Tin lead)on your PCB? Or are you talking about using silver solder to perform intrusive reflow of
Electronics Forum | Wed Apr 19 18:02:34 EDT 2000 | Mike Flori
If you can divide your boards into different categories it allows you to determine a different starting profile for each category, based on size, # of layers, etc. When you get a new board to profile you'll have an idea what settings will get you clo
Electronics Forum | Sun Apr 16 14:37:25 EDT 2000 | Roberto Navarro
Hi, I work for Nortel and here rework BGA'S we use DRS22 rework station and CRT 2000 X-ray inspection. The main problem is put again the BGA on the PCB because you need reboling the PCB and you could damage the soldermask. Talking about Air-vac is ve
Electronics Forum | Wed Apr 12 21:33:27 EDT 2000 | Micah Newcomb
Billy and Chris have a good point, pad size and geometry will affect proper aperture size and geometry and could result in tombstoning. Also I have seen chips which require special pastes but I have never found this to be the cause of tombstoning, in
Electronics Forum | Fri Mar 31 14:23:13 EST 2000 | JAX
Hey Dave, thanks for the sparkling endorsement! No really, You have to be realistic when presenting your case. Once you understand that company decisions, like it or not, are based on the bottom line, the way you present your case will be clearer. I
Electronics Forum | Fri Mar 31 14:24:10 EST 2000 | JAX
Hey Dave, thanks for the sparkling endorsement! No really, You have to be realistic when presenting your case. Once you understand that company decisions, like it or not, are based on the bottom line, the way you present your case will be clearer. I
Electronics Forum | Fri Mar 24 15:20:27 EST 2000 | Chris McDonald
I have recently purchased a Tape and reel machine from V-Tech. We are using Presure Sensitive tape and we are not geting good results. Anything bigger that a SOIC14/16 gives us trouble. The cover tape will pull off on the feeder and we will lose part
