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Posted by GMAN on 09/26/16 11:59
In article <1159592628.756383.202230@e3g2000cwe.googlegroups.com>, "gerry" <gerrytwo@hotmail.com> wrote:
>>GMAN: It's not like a phonograph. There are no pits to clog.
>
>What are you talking about? Phonographs records have spiral grooves of
>varying depths which affect the output of the magnetic pickup. CDs has
>pits (and lands), which are the physical equivalents of zeros and ones.
> See the article extract below.
>-----
What i was trying to tell him was that the pits and lands are not exposed like
a grove is on a phonograph.
>>From Wikipedia: CD manufacturing is the process by which commercial
>discs are replicated in mass quantities using a master created from a
>source recording. This may be either audio (CD-Audio) or data (CD-ROM).
>This method is used in the mastering of CDs, and does not include blank
>CD-Rs or DVDs, although these are made using similar methods.
>
>A compact disc (CD) can be used to store audio, video, and data in
>various formats which are defined in the Rainbow Books. A CD is usually
>manufactured in a class 100 or better clean room or self contained
>clean room on the finishing line. A CD can usually be manufactured
>within strict manufacturing tolerances for US$1 or less.
>
>CD mastering differs from burning in that the pits and lands of a
>mastered CD are moulded into the CD, rather than being 'burn marks' by
>a CD burner.
>
>----
>
>If blank CD-Rs do not use dyes on the recording side, you can post what
>method is used by blank CD-Rs to store information. If you write that
>the dye on the recordable surface is impervious to heat, say from hot
>wax, you will get a lot of laughs.
>
>
>
>
>GMAN wrote:
>> In article <1159494384.711575.72310@i42g2000cwa.googlegroups.com>, "gerry"
> <gerrytwo@hotmail.com> wrote:
>> >You did not indicate whether it was a pressed CD or a CD-R you made.
>> >For wax, the best thing is to put the CD in the freezer. The wax
>> >should lose any adhesion it has to the surface after a few hours. You
>> >may still have a problem, if the pits are clogged, something you will
>> >only be able to find out after you try to play the CD, after letting it
>> >warm to room temperature.
>>
>> It's not like a phonograph. There are no pits to clog.
>>
>> >For a home recorded CD-R, toss it, the dye will be messed up whatever
>> >you do.
>> nonesense
>>
>> >
>> >doorrag wrote:
>> >> I know I shouldn't have left it where it could happen, but I did. Can
>> >> anyone help?
>> >
>
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