Electronics Forum | Wed Jul 21 11:49:24 EDT 1999 | Deon Nungaray
| | | | I recently switched from solder paste in 500 gram jars to 500 gram tubes. I did this to try to limit the time the paste is exposed to the room environment. But we have a need to clean the stencil every 4 - 5 boards which means taking the bulk
Electronics Forum | Fri Jul 16 21:56:04 EDT 1999 | Jeff Sanchez
| | | I need a good chemical to remove the lacquer finish off of magnet wire. I know there are different kinds but I need one that really works. Any suggestions would be great. thanks in advance guys. | | | | | What is it you're trying to do? | | D
Electronics Forum | Thu Jul 15 17:53:34 EDT 1999 | Boca
| I'm designing a board where the parts will only fit if I do one of the following: | | 1. Put BGAs on both sides | | 2. Put BGAs on top, smt TSOPs directly underneath and using blind vias to keep the real estate on the bottom side below the BGA pa
Electronics Forum | Thu Jul 15 19:05:58 EDT 1999 | Earl Moon
| | | We have been encountering diminishing ball shear readings these past few weeks, despite the fact that we did not change any ball shear tester parameter. Our reflow parameters are also within spec limits. ( 210-220 deg C max temp. and 40-60 sec
Electronics Forum | Thu Jul 15 21:10:53 EDT 1999 | Scott McKee
| I was wondering if someone could help me with a little problem I am Having with a MyData TP-11 UFP running TPSys 1.4.2. Early this week the machine crashed and I had to reload the software. I re-insatalled Venix then the CP4 driver then TPsys and S
Electronics Forum | Fri Jul 16 05:48:06 EDT 1999 | Wayne Sanita
Give Mydata a call as Scott said, they will take step by step over the phone. Wayne | | I was wondering if someone could help me with a little problem I am Having with a MyData TP-11 UFP running TPSys 1.4.2. Early this week the machine crashed an
Electronics Forum | Mon Jul 12 12:28:10 EDT 1999 | Wolfgang Busko
| 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 | Mon Jul 12 12:39:39 EDT 1999 | M Cox
| 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 | Thu Jul 08 13:21:18 EDT 1999 | Bob Barr
Ron, We use 100 pin straddle mount connectors on some of our 1.6mm boards (up to eight per board.) They come to us from the vendor with a bead of solder on the somewhat 'J' shaped leads. Our process is as follows: Mount connector to board with hard
Electronics Forum | Tue Jul 06 14:23:27 EDT 1999 | Earl Moon
| | | I've heard that use of VOC free flux with wavesolder fixtures can be challenging due to entrapment of water in the fixture. | | | | | | Is anyone out there successfully running VOC free with wave fixtures & did you experience problems? If so,
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