[Milsurplus] [ARC5] Data plate warping fix ?

[Michael Hanz]

Dr. Barry Ornitz wrote about this in several groups about twenty years 
ago.  Do a search on "Barry Ornitz radio plastic" and the same with 
"radio plasticiser" and you will get quite a few hits on his 
methodology.  And of course he had the lab at Kodak to do material 
analysis.  His conclusion was that you can't put the genie back in the 
bottle.  The closest I've come without resorting to etched brass 
material has been by using a a TLC 5500T credit card lamination machine 
with a 15 Mil thickness credit card "pouch".  I had to get a better 
machine to do it well - the first one I bought didn't get the thicker 15 
Mil credit card material hot enough. Below is one of the results, this 
for a WWII pulse analyzer.  (The original is on top...)

73,
Mike  KC4TOS




On 11/10/2024 4:58 PM, Facility 406 wrote:
> On 11/10/2024 13:31, Hubert Miller wrote:
>> Yes, it IS an exercise in futility. It’s a process you cannot arrest.
>
> Seems to me, it should be completely reversible, like 
> uncurling/unshrinking a photograph.
>
> What's lost over time?  Moisture?  Volatile organic compounds? 
> Thermo-set at one temperature, which isn't the same as the one it 
> exists in?
>
> What about placing in a humidor of hydrocarbon fumes?
>
> What about processes to reverse the shrinkage of other plastics?
>
> I think we need to consolidate a tons of these things, ones too far 
> gone to matter, even just bits and pieces, and spread them around 
> amongst the members interested to find a way to unshrink/uncurl them.
>
> I'm thinking, it can't be THAT hard, it's just a flat sheet of 
> material, not ash, which is a bit harder to work with.
>
> There has to be a way we just haven't figured out yet.
>
> Kurt