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Posted by Bob on 12/30/05 15:04
On Fri, 30 Dec 2005 00:19:28 GMT, Roy L. Fuchs
<roylfuchs@urfargingicehole.org> wrote:
>>OK, I did exactly as you said to do - I wrote on the top with a ball
>>point. I pressed quite hard too.
>>NOTHING HAPPENED!
> All I can tell you is that I know how such discs are constructed, and
>the polymer layer is just beneath the top side of the disc. I don't
>like that method of manufacture, but I do know it to be the way the do
>it.
I would like to see a credible reference to support that claim.
>>You must be using an inferior disc.
> Hahhahaa... ridiculous. Tandy invented the process, they all
>follow it. Scrape a BAD disc, and examine it. It barely takes any
>depth at all to "damage" the write layer.
I did exactly as you said to do - I scaped the top of a Fuji MIJ TY
disc. I used an exacto knife, which is razor sharp. I physucally
scraped the letters off the last half of the "FUJIFILM" name. I
penetrated several thousands into the surface. I did not pussy around
- I scraped the crap out of the disk.
NOTHING HAPPENED!
>
>> Try your ball point on a good disc
>>like a Fuji MIJ TY.
> It isn't worth arguing about. I know how they are made.
I would like to see a credible reference to support that claim.
>If there is a maker that has a thicker "top coat" they are outside the norm.
There is no "top coat" other than the lacquer finish.
I just scraped the bottom side - the side with the active material on
it. I was able to scrape the active layer off easily - down to bare
plastic.
The disc is made by coating the BOTTOM, not the top.
YOU HAVE THE WHOLE THING BACKWARDS.
--
Merry Christmas!
http://www.illwillpress.com/xmas.html
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