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Author: Skybuck FlyingSkybuck Flying Date: May 11, 2008 19:32
Hello,
Sony for example sells dvd's which come in a "cake" package.
This means multiple dvd discs are stacked on top of each other without any
further protection except the cake around them.
The manual of a dvd recorder says:
"Don't stack discs".
No further explanation is giving.
I start to wonder: Why ?
I google and some simple explanatations pop up:
"Don't shuffle them like a deck of cards".
But I wonder, is this the true reason or is there more too it ?
My initial thought was:
It must be the gravity. Stacking DVD discs must be bad. The puts/dents which
are made in the DVD by the laser could bend back because of gravity and the
weight, resulting in data loss.
The special dvd jewel cases/enclosures could be ment to prevent that from
happening. Without the special dvd jewel cases the dvd's would be exposed to
too much pressure ?!?
So it's time to ask the following question:
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Author: Gene E. BlochGene E. Bloch Date: May 12, 2008 15:33
On 5/11/2008, Skybuck Flying posted this:
> Hello,
>
> Sony for example sells dvd's which come in a "cake" package.
>
> This means multiple dvd discs are stacked on top of each other without any
> further protection except the cake around them.
>
> The manual of a dvd recorder says:
>
> "Don't stack discs".
>
> No further explanation is giving.
>
> I start to wonder: Why ?
>
> I google and some simple explanatations pop up:
>
> "Don't shuffle them like a deck of cards".
> ...
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Author: Skybuck FlyingSkybuck Flying Date: May 12, 2008 16:26
"Gene E. Bloch" wrote in message
news:mn.63a57d8521c864ee.1980@nobody.invalid...
> On 5/11/2008, Skybuck Flying posted this:
>> Hello,
>>
>> Sony for example sells dvd's which come in a "cake" package.
>>
>> This means multiple dvd discs are stacked on top of each other without
>> any further protection except the cake around them.
<...>
>> How much pressure/weight can a DVD take before it loses it's data ?
>>
>> Bye,
>> Skybuck.
>
> The hub of a CD or DVD is thicker than the recordable area. When you stack
> the disks, only the hubs are touching.
Most interesting.
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Author: Mike S.Mike S. Date: May 12, 2008 19:19
In article ,
Gene E. Bloch wrote:
>On 5/11/2008, Skybuck Flying posted this:
>> Hello,
>>
>> Sony for example sells dvd's which come in a "cake" package.
>>
>> This means multiple dvd discs are stacked on top of each other without any
>> further protection except the cake around them.
>>
>> The manual of a dvd recorder says:
>>
>> "Don't stack discs".
>>
>> No further explanation is giving.
>>
>> I start to wonder: Why ?
>>
>> I google and some simple explanatations pop up:
>> ...
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Author: Gene E. BlochGene E. Bloch Date: May 13, 2008 14:09
On 5/12/2008, Mike S. posted this:
> In article ,
> Gene E. Bloch wrote:
>> On 5/11/2008, Skybuck Flying posted this:
>>> Hello,
>>>
>>> Sony for example sells dvd's which come in a "cake" package.
>>>
>>> This means multiple dvd discs are stacked on top of each other without any
>>> further protection except the cake around them.
>>>
>>> The manual of a dvd recorder says:
>>>
>>> "Don't stack discs".
>>>
>>> No further explanation is giving.
>>>
>>> I start to wonder: Why ?
>>>
>>> I google and some simple explanatations pop up: ...
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Date: May 13, 2008 18:56
Gene E. Bloch wrote:
>
>Mike S. posted this:
>
>> Gene E. Bloch wrote:
>>
>>> Skybuck Flying posted this:
>>>
>>>> Sony for example sells dvd's which come in a "cake" package.
>>>>
>>>> This means multiple dvd discs are stacked on top of each other
>>>> without any further protection except the cake around them.
...
>>>> It must be the gravity. Stacking DVD discs must be bad.
...
>>>> The special dvd jewel cases/enclosures could be ment to prevent that from
>>>> happening. Without the special dvd jewel cases the dvd's would be exposed
>>>> to too much pressure ?!?
>>>>
>>>> So it's time to ask the following question: ...
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Author: Mike S.Mike S. Date: May 14, 2008 10:43
In article ,
Gene E. Bloch wrote:
>On 5/12/2008, Mike S. posted this:
>> In article ,
>> Gene E. Bloch wrote:
>>> On 5/11/2008, Skybuck Flying posted this:
>>>> Hello,
>>>>
>>>> Sony for example sells dvd's which come in a "cake" package.
>>>>
>>>> This means multiple dvd discs are stacked on top of each other without any
>>>> further protection except the cake around them.
>>>>
>>>> The manual of a dvd recorder says:
>>>>
>>>> "Don't stack discs".
>>>>
>>>> No further explanation is giving.
>>>>
>>>> I start to wonder: Why ? ...
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Author: Gene E. BlochGene E. Bloch Date: May 14, 2008 11:16
On 5/14/2008, Mike S. posted this:
> In article ,
> Gene E. Bloch wrote:
>> On 5/12/2008, Mike S. posted this:
>>> In article ,
>>> Gene E. Bloch wrote:
>>>> On 5/11/2008, Skybuck Flying posted this:
>>>>> Hello,
>>>>>
>>>>> Sony for example sells dvd's which come in a "cake" package.
>>>>>
>>>>> This means multiple dvd discs are stacked on top of each other without
>>>>> any further protection except the cake around them.
>>>>>
>>>>> The manual of a dvd recorder says:
>>>>>
>>>>> "Don't stack discs".
>>>>>
>>>>> No further explanation is giving.
>>>>> ...
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Author: Mike S.Mike S. Date: May 14, 2008 18:02
>
>
>
>Gene E. Bloch wrote:
>>
>>Mike S. posted this:
>>
>>> Gene E. Bloch wrote:
>>>
>>>> Skybuck Flying posted this:
>>>>
>>>>> Sony for example sells dvd's which come in a "cake" package.
>>>>>
>>>>> This means multiple dvd discs are stacked on top of each other
>>>>> without any further protection except the cake around them.
>...
>>>>> It must be the gravity. Stacking DVD discs must be bad.
>... ...
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