Re: [APML] To freeze, or not (Was: The good Supra 400pricereduction...)

[Joe Pedit <pedit@email.unc.edu>]

Philip Perkins wrote:
> 
> I am not so sure about fogging due to cosmic rays - we know that CCD 
> detectors record them but do we know for certain that film records 
> them?  Still, so little in known about cosmic rays, but since their 
> appearance on CCD detectors is so characteristic, one might expect 
> something analogous on film, even if only a "blob" or fuzzy streak of 
> mild fogging, but I don't think any evidence has been seen has it?  I 
> don't think the broad fogging that occurs across an entire film (due to 
> aging) can be attributed to cosmic rays can it?  Isn't that far more 
> likely to be due to chemical fog?
> 
> --Philip

Philip,

While not completely relevant to the current discussion, I found the 
following link on non-chemical film fogging of interest:
<http://www.musc.edu/cando/symp99/acrobat/rad.pdf>

Joe

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