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Date: | Mon, 29 Apr 2013 19:30:00 +0000 |
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Steve,
I looked into this back in 2006.
Bivar wouldn't tell me the chemical makeup of their Diss-o-pads. So we did not go there. Besides they add another labor step to install each one. When we need to raise a part above the board (typically power resistors and high voltage diodes) we use pieces of G-10 (FR-4) that were snap-off rails from circuit boards added together if needed for different heights. Place them under the component and then top solder (yes, I know that is bad practice). Slide out the FR-4 and we are done.
But keep in mind this is my opinion with no scientific evidence to back it up. I didn't want to take any chances of messing up my Carbon and Resin beds at $600 per change out.
Phil Nutting
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Steve Gregory
Sent: Monday, April 29, 2013 2:56 PM
To: [log in to unmask]
Subject: [TN] Bivar Diss-O-Pads and closed-loop DI systems
Hi All,
We're getting ready to change our cleaner out with a closed-loop system, and I was wondering if the use of Bivar Diss-O-Pads will harm the DI beds? I have a call into Bivar, but I thought I would ask TechNet while I was waiting.
I know I'm going to have to change the water soluble mask that is currently used to one that doesn't harm the DI beds, but I don't know about the Diss-O-Pads...
Steve Gregory
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