During his December 15 IEDM keynote speech, Samsung Electronics Chairman Kinam Kim really surprised me. He spoke favorably of the approach that YMTC is using to produce 3D NAND flash.
This approach, which YMTC named “Xtacking,” involves the use of two separate wafers to manufacture a 3D NAND chip. The brief way to describe it is to say that Continue reading “Did Samsung Just Endorse YMTC’s Xtacking?”