TOKYO--(BUSINESS WIRE)--Toshiba Corporation (TOKYO: 6502) today announced development of the world’s first 48-layer*1 three dimensional stacked cell structure flash memory*2 called BiCS, a 2-bit-per-cell 128-gigabit (16 gigabytes) device. Sample shipments of products using the new process technology start today. The BiCS is based on a leading-edge 48-layer stacking process, which enhances the reliability of write/erase endurance and boosts write speed, and is suited for use in diverse applicati