May 28, 2013 8:23 PM ET | About: SanDisk Corporation (SNDK), MU, Includes: INTC by: Russ Fischer. Micron (NASDAQ: MU) and SanDisk (NASDAQ: SNDK) are two US based manufacturers of semiconductor memory devices. Micron is a broad line manufacturer of DRAM, NAND flash, and NOR flash memory, while SanDisk make only NAND flash memory through a joint venture with Toshiba of Japan.