Electronics Forum | Thu Apr 29 17:38:47 EDT 1999 | JohnW
Ok folk's has anyone used Alpha Metal's UP78 solder paste ? Our place is looking to move to that as the way to go, getting rid of the Hereaus 362's and Alpha 737's of the current set up. My question's are really : how is the printability of the pas
Electronics Forum | Mon Dec 14 10:48:32 EST 1998 | Larry Johnson
Okay here is the deal. I am fairly new to the company here, but one thing I have noticed is that we read way to many fiducials, in my opinon anyway. One for example is this. One assembly was reading 17 fids. Smallest pitch was .25mil I say you o
Electronics Forum | Tue Dec 15 17:02:35 EST 1998 | Earl Moon
| Okay here is the deal. I am fairly new to the company here, but one thing I have noticed is that we read way to many fiducials, in my opinon anyway. One for example is this. One assembly was reading 17 fids. Smallest pitch was .25mil I say you
Electronics Forum | Thu Nov 19 06:20:44 EST 1998 | Kelly
| For some as yet unkown reason, we have started to have some boards sag and go under the wave. The boards are surface mount top side and conventional components wave soldered. We have checked the wave hight and both the profiles on the wave solder a
Electronics Forum | Thu Nov 19 10:12:38 EST 1998 | Brian Conner
| For some as yet unkown reason, we have started to have some boards sag and go under the wave. The boards are surface mount top side and conventional components wave soldered. We have checked the wave hight and both the profiles on the wave solder a
Electronics Forum | Mon Oct 26 20:04:23 EST 1998 | Dave F
| Hi, | | My question is how close can you place smd 0603 chip resistors to each other with having an assembly problem? | I know the pick and place machines don't need a lot of clearance, Iam more concerned about the court yard area around the com
Electronics Forum | Thu Jul 09 16:47:22 EDT 1998 | Steve Gregory
Hi ya' Bruce! If you don't go above 180 degrees C. you should be oakie-dokie...actually the temp limit according to IPC-SM-786A is 220 degrees...and they also detail that statement by saying that's the temperature as measured at the top center of
Electronics Forum | Mon Jul 13 11:38:16 EDT 1998 | Steve Gregory
Zulfiqar, The company that makes these stencils is a Canadian company named KJ Marketing (I'll paste a link to the web site in this message). It sounds pretty interesting. I've communicated with a few people that have used these stencils and the
Electronics Forum | Wed Jun 17 14:31:48 EDT 1998 | Jim Gurley
| Does anyone know how many 8mm feeder positions the Panasonic MV2F SimmBlaster can hold. I read an article saying 30/30 split carriage, and another article saying 75/75. This info. was taken from "U.S. Tech", and the January edition of Circuits Asse
Electronics Forum | Fri Jan 16 23:46:38 EST 1998 | Scott
| I have a problem! The solder on my pc boards look great comeing out | of my reflow oven. They go thrue the rest of the prossese | and at the end at the qc station it's cold or whitish or gray not shiny. | does any one have a idea on how to correct
