Electronics Forum | Sun Jul 25 08:54:37 EDT 1999 | Tom Gervascio
| We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that after
Electronics Forum | Fri Jul 16 11:29:59 EDT 1999 | John Sims
We are considering adding surface mount components to a board we currently produce. The board is made from CEM-1. Has anyone had any problems with surface mounting to this material? We use a glue/place/cure process. Thanks in advance, John Sims
Electronics Forum | Thu Aug 26 10:03:17 EDT 1999 | Sal
| | Could somebody tell me what means Leaching, ie: "Leaching of terminal end face exposing the ceramic"? | | | Roberto: Leaching, according to the SMTnet Library of Terms: | | Leaching. Dissolution of a metal coating into liquid solder. Nickel ba
Electronics Forum | Fri Jun 18 08:19:12 EDT 1999 | Sergio Luiz Vito
There is a PCB with SMD components glued on bottomside. When I make tests for checking the resistance of glue the result is a break in the surface of PCB. How can I measure the surface resistance of PCB surface? How can I increase this resistance?
Electronics Forum | Tue Jun 01 12:57:52 EDT 1999 | John Sims
I need to perform shear tests on components that have been glued prior to wave soldering. Can any one recommend a shear tester and some standardized info on testing? We have had problems with poor glue bonds and would like to implement a test metho
Electronics Forum | Wed Apr 21 11:22:22 EDT 1999 | Dave F
| What is a Quad 100 with vision and glue dispenser worth these days? | JJ: It's similar, but not the same ... A friend bought a Quad 100, vision, couple of 8mm feeders, and 13 vib bases w/platforms for $5k last month. I told him, "even if you use
Electronics Forum | Mon Apr 26 22:59:03 EDT 1999 | Dean
| What is a Quad 100 with vision and glue dispenser worth these days? | 1. The capital equiptment depreciation write-off is worth more than the machine itself. 2. The tax write-off for a donation to the artificial reef program is worth more than
Electronics Forum | Thu Apr 29 13:22:14 EDT 1999 | Frank Clark
| What is a Quad 100 with vision and glue dispenser worth these days? |I'll be glad to give you a better appraisal with a few more details. (Feeder count, type of feeders, system condition, number of chucks) Please give me a call at 603-594-4229 Th
Electronics Forum | Tue Mar 16 17:06:28 EST 1999 | GSM GURU!
We are dealing with down time accredited to the Pumps getting clogged with dried glue. We have decided to purge all spindles at 6 hour intervals. We are looking at making this process automated. Has anybody tried this and if so, is there a way to set
Electronics Forum | Wed Dec 16 10:21:44 EST 1998 | HallJ
| Has any body tried reflowing QFP's on both sides of a board. | This has been done for a long time. The only thing I have seen that could start to cause problems is when you get up to the PQFP208 's that are weighing 10g or more. For this You can p
