Electronics Forum | Thu Nov 01 10:10:49 EST 2001 | caldon
DAVE- Sorry for the late response.... as I was outta da country fer a bit. Wolfgang has a great point...If your machine has linear scales or encoders and they are dirty (even a spec of dust) this could have a huge impact on the positional data (esp.
Electronics Forum | Wed Jan 03 19:12:09 EST 2007 | Mike F
If I could set it up for markers and leave it I probably would not be as frustrated with the printer. We also run polyimide labels through that same printer, which means you have to adjust that sensor to a different position. Then when we switch back
Electronics Forum | Mon Jul 13 07:25:09 EDT 2009 | hcarrasco
Hi everybody, > We recently start to use an ultrasonic stencil cleaners for our stencils. > It' work well, but after some time, we saw a lot of fiducial that the black > epoxy have been partially or totaly remove. I want to know if someone h
Electronics Forum | Sat Nov 26 00:02:17 EST 2011 | kevintough
I agree with this post about new and standard component names. Standard components should not be changed outside of perhaps widening the tolerance to accept poorly produced components. By purchasing poor quality/cheep components your purchasing depar
Electronics Forum | Thu Dec 29 10:14:27 EST 2011 | davef
Darpy's offset checking trick: One trick I always use is to make the first two placements in every program the same as the fiducial data picked up from a dummy feeder. These two placements are generally skipped. ** If I do have a problem then I unski
Electronics Forum | Fri May 18 10:43:32 EDT 2012 | davef
Umar Chapter 7 of IPC-HDBK-830, Guidelines for Design, Selection and Application of Conformal Coatings deals with compatibility of the different materials in the chain. Have you: * Tested your bare boards at incoming for cleanliness with your Omega
Electronics Forum | Tue Aug 10 09:09:39 EDT 2004 | mattkehoe
wash->ssd top->wash->sticky flux bottom side->place smt components->reflow->wash->sticky flux top side->place topside smt components->reflow->wash) ssd is basically the process of applying solder paste to the pcb with a stencil and the solder reflowe
Electronics Forum | Mon Jul 12 10:21:06 EDT 1999 | Earl Moon
| I need some advice concerning reflow of a BGA-292. Since I am not ready to change my entire process to no-clean, I decided to place the lone BGA-292 on a proto run using our BGA re-work station. The pcb is a moderately dense, single-sided, 8-laye
Electronics Forum | Wed Mar 10 10:11:10 EST 1999 | Justin Medernach
| | My printer evaluation has come down to the Fuji GP-6 or the Dek 265LT. I'm looking for experienced opinions on both of these options, we're currently running an older vintage Dek 265 printer that gives us constant electronic system problems. The
Electronics Forum | Thu Feb 24 21:44:27 EST 2000 | Dave F
Horace: Area you in the rainy or the dry portion of the South? ;-) Now, excuse me from mincing words with you ;-) �, but buying a manufacturing software package is a serious (expensive) endeavor that will leave no part of your company unscathed. I�d
