Many travelers worry that airport x-ray machines will damage their camera's memory or the memory cards. So far, there is little proof that airport x-ray screening machines can damage your camera's memory cards and images. The airlines often warn about damage to film from x-ray machines - not digital media.
Rather than being worried about x-ray exposure, some believe that digital equipment is affected more by magnetic exposure, particularly to the magnetic hand-held wands and metal detectors. Some also believe that you should avoid the drive motors of conveyor belts by placing your camera far away from the beginning of the belt.
If you are still worried about losing your images or damage to your camera, you can do the following for some peace of mind:
While the jury is still out on the amount of damage airport screenings can cause to your digital camera, having some common sense for protecting your digital camera and safekeeping your images is an important step any photographer should take.