Silicon Storage Technology Inc. (SST) has signed a deep submicron technology licensing agreement with Emosyn, the fabless semiconductor division of ATMI. Emosyn will license SST's SuperFlash technology at 0.25-micron for use in its products in exchange for licensing fees and royalties. Emosyn has been licensing SST's SuperFlash technology at 0.5- and 0.35-micron technologies since September 1999.