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Re: tlug: CD-R reliability



Hi Scott,

Scott wrote:
> On Mon, 3 Aug 1998, Masanori Smiley Omote wrote:
> 
> > Hi,
> > 
> > Scott:
> > > Well, CDs are vulnerable to extreme temperatures and (obviously)
> > > scratching... it might have gotten too hot in the plane over to Japan, or
> > > too cold (from Germany to Tokyo, the plane would fly great-circle over
> > > Siberia, right?).  CDs are vulnerable to cold, as well.  possibly the
> > > expansion/contraction of the media under the temperature differential
> > > caused very small cracks in the media that are causing the errors?
> > 
> > I don't think so.  I'm not sure but all the packages seem to be kept
> > in the usual temperture in the plane, although outside is -50C at
> > 10000 ft. high.  I have got some CD-Rs from U.S. or Germany via rush
> > (air) and they were completely okay.  They were all in jewel case.  I
> > think thin plastic folder would be okay if the overall packing is
> > completely robust for shock.
> 
> 1.  Cargo compartments are neither pressurized nor heated (except for the
> place where they put your pets).

Is that still correct?  Many times my packages included air cussion
and they didn't burst.  I thought the cargo room (even in the cargo
plane) are somewhat pressureized so that the temperture is not -50C,
though the condition is not so comfort as in the cabin.


> 2.  Planes fly at about 30,000 feet, not 10,000 feet.  Sometimes higher.

Sorry, I mistook.  It's 10,000 meters approx.


> What make of CDR were the ones that you got via rush air?

One from Germany, it's a Sony.  One from U.S., I cannot identify.

--
Masanori "Smiley/Smack" Omote
work: omote@example.com
home: masa@example.com
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