Electronics Forum | Fri Sep 10 09:03:52 EDT 1999 | ScottM
| | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the prec
Electronics Forum | Fri Sep 10 12:09:02 EDT 1999 | Earl Moon
| | | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the pr
Electronics Forum | Sun Sep 12 08:20:04 EDT 1999 | se
| | | | hi, i m college student. i m currently doing my Final year project in PCB drilling. the main task is to design auto feeder which allign the PCB properly in position before drilling take place. the close tolerance becomes a big problem to the
Electronics Forum | Mon Apr 14 17:38:18 EDT 2014 | bradlevy
I've got a small smt board I've already got working prototypes of, which uses a tactile switch. I've got another much less expensive tact switch of similar size that I had avoided due to a difference in actuators I originally had no way around. Now I
Electronics Forum | Wed Dec 11 06:47:33 EST 2019 | ameenullakhan
Dear Friends, Need your valuable feedback on how to identify the component is ok or not for manufacturing. Issue : We have parts which are more than 5 years old.And management want us to qualify this parts for production. We presently use below me
Electronics Forum | Tue Dec 24 09:34:55 EST 2013 | emeto
Hi, it is a not given clear here. I will tell you some basics about the profiling: 1. Profile stages A. Preheat - the board preheats from room temp to 130-150C depending on the paste B. Soak - 150-170(or other range depending on the paste). here th
Electronics Forum | Mon Dec 21 17:31:06 EST 2015 | dyoungquist
If your goal is for the solder bridge to be there, then I do not see any defect. Looks like the pins and pad are wetted properly.
Electronics Forum | Tue Oct 06 15:41:14 EDT 1998 | Mike C
| | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | DPM is Defects per million, usually measured on components. We run a process consisting of small to medium b
Electronics Forum | Wed Oct 07 06:19:30 EDT 1998 | Charles Stringer
| | | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | | DPM is Defects per million, usually measured on components. We run a process consisting of small to medi
Electronics Forum | Thu Oct 08 22:06:44 EDT 1998 | Eric R
| | | Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | | | DPM is Defects per million, usually measured on components. We run a process consisting of small to medi
