Aehr Test Systems, Inc. ( AEHR ) is a California-based supplier of semiconductor test and burn-in equipment that is used by semi manufacturers primarily to ascertain and mark flawed chips at the wafer level beforeAnalyst’s Disclosure:I/we have no stock, option or similar derivative position in any of the companies mentioned, and no plans to initiate any such positions within the next 72 hours. I wrote this article myself, and it expresses my own opinions. I am not receiving compensation for it (other than f ...