Offset-printing method for three-dimensional printed memory

An offset-printing method for printing at least two data-coding layers in a three-dimensional printed memory with a data-mask, comprising the steps of:

• 1) forming a substrate circuit on a semiconductor wafer, wherein said wafer comprises at least two adjacent dice including first and second dice;
• 2) forming a first memory level above said substrate circuit, including a first printing step for transferring a first mask pattern to a first data-coding layer in said first memory level, wherein an origin of said data-mask is initially aligned to an origin of said first dice at said first printing step;
• 3) forming a second memory level above said first memory level, including a second printing step for transferring a second mask pattern to a second data-coding layer in said second memory level, wherein said origin of said data-mask is initially aligned to an origin of said second dice at said second printing step;
• wherein said first and second mask patterns are located on said data-mask.