iFixit has posted a complete teardown of the fifth-generation iPod nano. Their 8GB unit held a flash memory chip from Toshiba, an Apple-branded processor which is believed to be a Samsung ARM chip, a rubber surround for the camera, most likely to dampen vibrations, a redesigned Click Wheel that appears not to be affixed to the body, as that of the 4th-gen model, a glass covering for the screen, similar to that seen in the prior model, and “copious…