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wardialer
Topic Author
Posts: 1220
Joined: Fri Sep 14, 2001 1:08 pm

X-Rays On CDs

Sat Feb 14, 2004 1:50 am

Im taking some CDs with me on a trip. My question is will the X-Rays through the X-ray machine at the airport could cause the CDs to be damaged by radiation?

Or secondly, will they cause the data to be corrupted?
 
sushka
Posts: 4657
Joined: Thu Nov 18, 1999 12:33 am

RE: X-Rays On CDs

Sat Feb 14, 2004 1:57 am

No, I have never had problems with CDs and Xrays.

I bought a bunch on one of my recent trips and have one playing now.
Pershoyu Spravoyu Litaki!
 
bobrayner
Posts: 2038
Joined: Sun Apr 27, 2003 8:03 am

RE: X-Rays On CDs

Sat Feb 14, 2004 6:59 am

Im taking some CDs with me on a trip. My question is will the X-Rays through the X-ray machine at the airport could cause the CDs to be damaged by radiation?

Or secondly, will they cause the data to be corrupted?


No.
Cunning linguist
 
srbmod
Posts: 15446
Joined: Tue Mar 20, 2001 1:32 pm

RE: X-Rays On CDs

Sat Feb 14, 2004 8:19 am

X-rays and CDs are OK; for some real fun, put a CD in the microwave!
 
nonrevman
Posts: 1265
Joined: Mon Nov 19, 2001 6:33 am

RE: X-Rays On CDs

Sat Feb 14, 2004 12:34 pm

For recording media such as videotape, digital cameras, and CD's, I am told that X-Ray's will not harm them. However, you do want to steer clear of the metal detector with those items. Anything that puts out a strong magnetic field could have a nasty effect on these items.
 
jwenting
Posts: 9973
Joined: Mon Apr 23, 2001 10:12 pm

RE: X-Rays On CDs

Sat Feb 14, 2004 4:50 pm

CDs can not be harmed by X rays or metal detectors.
videotape, CF cards, etc. can be harmed by metal detectors (or rather by the electromagnetic fields they generate).

The only thing that can really harm a CD quickly is intense heat, which causes it to melt.
Over a longer period intense light and some bacteria can also do damage.
I wish I were flying
 
Klaus
Posts: 21599
Joined: Wed Jul 11, 2001 7:41 am

RE: X-Rays On CDs

Sat Feb 14, 2004 9:14 pm

Differences:

- Magnetic tapes, floppies and harddisks can have the recorded signal/data damaged by metal detectors and any other magnetic field that´s strong enough (loudspeakers, motors, power supplies...). Also, excessive temperatures can damage the mechanical carrier material and can degrade the magnetic recording.

- CD-R(W) / DVD-R(W) / DVD+R(W) / MiniDisk (recordable optical disks): Cannot be damaged by magnetic fields as the recording is done by causing phase changes in the data-carrying layer in the disks. This layer can, however, be damaged by heat and by excessive light exposure. Also, the carrier plastic can warp in heat and make the disk unplayable.

- CD / DVD: Only damageable by heat or extreme violence (scratches, aggressive chemicals, manufacturing defects), since the data-carrying layers consist of metal and are very stable.
 
User avatar
hawaiian717
Posts: 3489
Joined: Tue May 18, 1999 2:46 am

RE: X-Rays On CDs

Sun Feb 15, 2004 5:17 am

Srbmod wrote:
for some real fun, put a CD in the microwave!

Note that this will not only destroy the CD, it may also damage the microwave.

David / MRY

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