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RE: Sony Supremas CD-R massive rot? - 11/25/2005 9:21:33 PM   
hommah

 

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Have you noticed Sony Supremas CDR rot, as I did? The disks I bought degrade from the outer rims and bubble off, flake off or just peel in large chunks . Sometimes I can notice it soon enough 2make an extra copy. I kept them as they need - in the cases or on a spindle, away from the light & heat. No Memorexez or Staples brand were affected - only Sony Supremas.I've already lost a dozen data disks. I tried to contact Sony, getting only "I apologize for the issues you are experiencing and regret that I am unable to assist you in this matter."
All the disks have CB0706I11I032A80 topside & inner 'holo' num like "R80ND - D0028 9" / "R80ND - D0038 9". 
I googled the numbers but got only a hint on a "new organic layer type" or something.
I dinnt expect my CDRs to last hundred years, but the layer degradation in a yr or 2... Is it some Taiwan-manufactured junk batch, hidden under the illustriuos Sony name?
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RE: Sony Supremas CD-R massive rot? - 11/26/2005 6:28:25 AM   
cbjwthwm

 

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I can't say I've experienced this but I can't say it surprises me either.  About half of the Sony branded media which I buy in retail packs are warped and have either error escalation problems on the outer edges (DVD media) or severe vibration on drives such as laptops which don't have robust balancing mechanisms like desktop PC's.  Rather pathetic quality control, and I can't see myself buying much more of it in the future.

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RE: Sony Supremas CD-R massive rot? - 11/26/2005 8:45:27 AM   
Antonio


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Do you have the ID for those media? I think Sony is not manufacturing all of their media so maybe are a low quality brand.


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RE: Sony Supremas CD-R massive rot? - 11/26/2005 11:37:37 AM   
Clint


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quote:

...degrade from the outer rims and bubble off, flake off or just peel in large chunks...

I also experience this degradation on the Sony 80-min 48X Supremas CD-R after only a short period of time (a year or 2) or possibly months if handled poorly. My advice is not to store anything critical on these media, only for short-term usage of data that is backed up.


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RE: Sony Supremas CD-R massive rot? - 11/26/2005 12:11:08 PM   
Clint


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Media code is Sony Corp. However, it is said that these discs are made by Lead Data using Sony stampers...

http://www.cdrinfo.com/forum/tm.asp?m=9189#


< Message edited by Clint -- 11/26/2005 12:57:15 PM >


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RE: Sony Supremas CD-R massive rot? - 11/27/2005 7:58:03 AM   
Antonio


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ok, this explains everything.


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