Electronics Forum | Wed Jul 07 13:33:45 EDT 1999 | Dave F
| who can tell me how viscosity measurements are really effective in smt process control? what can I monitor? Is it depending from fine pitch size? | Thanks a lot. | g. d'andrea | People write books on SMT process control. What's your problem? I
Electronics Forum | Fri Jun 18 15:35:53 EDT 1999 | M Cox
| | | Anyone at Nepcon East or in the Boston area who could answer a few question about assembly equitment and SMT manufacturing, on the afternoon of 6/17 - please e-mail me before noon. | | | $100 for your answers. | | | | | Sounds like it's ...
Electronics Forum | Mon Jun 14 15:29:49 EDT 1999 | Sergio Luiz Vito
I am looking for more information about: 1) What kind of evaluation can I do to measure the resistance to fall off of a bottom side glueded SMT component?; 2) There is some influence of doble wave solder machine (temperature, flux, etc) in SMDs fal
Electronics Forum | Fri Apr 02 22:01:19 EST 1999 | Dean
| Anyone knows what is the optimum squeegee angle for screen printers. | | 45 Degrees. The forward velocity creates a downward pressure equal to the vector pressure (equalibrium). This is commonly known as paste "rolling action". Too obtuse an an
Electronics Forum | Mon Mar 15 10:08:25 EST 1999 | Justin Medernach
| Can sombody help me with this?? When applying solder paste, what factors determine how high off the PCB the stencil is? We use no fine pitch devices. (mostly 603 and 1206 size components) Any help would be greatly appreciated. As you could probably
Electronics Forum | Tue Mar 16 03:16:18 EST 1999 | Scott Davies
| | Can sombody help me with this?? When applying solder paste, what factors determine how high off the PCB the stencil is? We use no fine pitch devices. (mostly 603 and 1206 size components) Any help would be greatly appreciated. As you could probab
Electronics Forum | Fri Mar 12 06:08:02 EST 1999 | Scott Davies
SMTNetters: excellent Forum, keep up the good work all! We are in the process of purchasing a Dek Stencil Cleaner and we have been recommended to use Vigon SC200 solvent to remove Heraeus no-clean solder paste from stencils and mis-printed PCBs. We
Electronics Forum | Thu Feb 18 21:51:48 EST 1999 | Dave F
| What are some suggested standards/speced requirements and procedures for removal/addition of missing balls on laminate and ceramic based bga packages and quality requirements for same. | 3: I'm unaware of such documentation, but then again documen
Electronics Forum | Tue Dec 29 17:29:46 EST 1998 | Dave F
| can some kind of through hole type connector pass through | the smt process (with IR technology)???? | the temperature factor or material factor????? | Flag: Most PTH components are not spec'd for reflow processes. PTH component suppliers, nomin
Electronics Forum | Tue Oct 06 15:50:12 EDT 1998 | Bill Tuttle
We are experiencing poor wetting on various components placed on a PCB with En-Tek coating. Is anyone else experiencing simular problems ? We have the following questions: 1. How can the thickness of the En-tek coating be measured? 2. Is En-tek vol
