Electronics Forum: contains (Page 59 of 81)

Re: AR vs. UR

Electronics Forum | Fri Mar 26 13:02:18 EST 1999 | Scott McKee

Sorry, in the following message I'm agreeing with Graham - not Greg... I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's p

Re: Chip Resistor Failure

Electronics Forum | Thu Mar 25 02:22:32 EST 1999 | P.L. Sorenson - Technical Consultant

Your problem may be related to silver migration (leaching) into the solder. I had what seems to be a similar problem. The solution was using solder with 2% silver content. See these pages for a bit more information: http://www.ferr

Re: PCB preservation.

Electronics Forum | Thu Nov 19 11:06:40 EST 1998 | Earl Moon

We have some PCB�s in our warehouse in Manaus - Brazil. They are stored for more than 2 years , in a condition of 25 degrees centigrades and a humidity ranging from 60% to 90%. Do these conditions cause the PCB�s to deteriorate over time? If so ,

Re: Reel Cabinets

Electronics Forum | Sat Nov 07 03:06:03 EST 1998 | Gary Simbulan

What are you people using to store component reels and tubes in? I am looking for a cabinet with slots or something to store reels and tubes. We keep our components on the production floor near the machines. The cabinets we are using now are

Re: Wave Outfeed Cooling

Electronics Forum | Fri Oct 23 09:44:43 EDT 1998 | Chrys

We've got a continous flow cooling problem from our wave solder process into ICT. Our current configuration is a flatbelt conveyor into a manual de-pallet process, operator then places on to an edge conveyor. We've tried muffin fans, look good bu

Re: Wave Outfeed Cooling

Electronics Forum | Fri Oct 23 15:44:57 EDT 1998 | Mike

We've got a continous flow cooling problem from our wave solder process into ICT. Our current configuration is a flatbelt conveyor into a manual de-pallet process, operator then places on to an edge conveyor. We've tried muffin fans, look good bu

Re: Water Soluble flux

Electronics Forum | Sun Oct 11 00:23:26 EDT 1998 | MIKE

Came a cross an interseting observation/question. I'll need to filter additional information and specifics to those whom may be able to assist me. But for now; I use a water soluble base organic flux manufactured by Kester (the exact soluti

Re: Water Soluble flux

Electronics Forum | Mon Oct 12 20:51:14 EDT 1998 | Eric

Came a cross an interseting observation/question. I'll need to filter additional information and specifics to those whom may be able to assist me. But for now; I use a water soluble base organic flux manufactured by Kester (the exac

Re: Pin-To-Paste

Electronics Forum | Wed Oct 07 15:15:04 EDT 1998 | Joe P.

I am currently experimenting with Pin-To-Paste reflow. does anyone know some excellent references or links that could give me tips and tricks, optimal aperature dimensions, etc. I have been informed that if I have pull through that I should put a

Re: equipment to vacuum seal parts

Electronics Forum | Thu Oct 01 16:46:50 EDT 1998 | Dave F

We are trying to eliminate/minimize the baking process for high lead-count ICs. We would like to reseal packages containing these parts to minimize exposure to humidity. Anyone have or know of a way to reseal or vacuum pack parts? Any suggested eq


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