I've seen little tiny pin-prick size "holes" in the silver colored coating of my
CDs and they've never caused any problems (AFAIK). I guess the same
thing might happen to MDs?
Or did you use the test mode and turn up the laser power to "level 17"
(sufficient to vaporise a baseball sized lump of Tungsten in 2 seconds).
One possibility is the nanites present in all MD equipment which keep
it functional are attacking the disc. Or something like that.
Cheers,
PrinceGaz -- "if it harms none, do what you will"
Email: [EMAIL PROTECTED]
Website: http://website.lineone.net/~princegaz/
ICQ: 36892193
----- Original Message -----
From: Richard Anderson <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]>
Sent: 20 September 1999 00:34
Subject: MD: There are holes in my minidiscs ( dear Liza, dear Liza :-)
>
> Whilst sorting through a box of old MD's to decide if they were worth
> keeping, I found quite a few that wouldn't spin up in my R55, giving disc
> errors. Opening the shutters of these discs I saw pin-prick holes in the
> disc surface that light was able to shine through. I have found discs like
> this before, and last year sent a sample to Arnaud Devilder of MPO to
> examine. He told me that the disc lacquer was still intact on that disc,
> and could not explain the holes/dropouts caused. I reasoned it was an
> isolated incident, but now I have a box of 20 or so I am not so sure. It
> cannot be the equipment I use, as I have owned many units, change my
> portable recorder every 6 months or so to avoid wear and tear problems and
> these discs have never been heavily edited or used frequently, some once
> recorded only ever being played in a car unit.
>
> So what is causing this 'rot' in my discs? They are different brands,
> different ages, and have had different amounts of use, so I doubt it's a
> manufacturing fault. Theories, anybody?
>
> Arnaud, if I send you these discs, can you try and find out what's wrong?
>
>
> Richard<--- very puzzled
>
> FYI:
> Current equipment: R55, R35, E25, Je520, MD5, MEH P5000R
>
> Previous recorders: MZ1, R3, R30, DMP R70, 702 X2, 722, R50, Je510
>
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