This standard specifies the physical characteristics, including the structure and dimensions, the position and dimensions of the optical recording area, and the optical characteristics of linear recording optical memory cards (hereinafter referred to as cards).
JIS X 6330:2001 history
2001JIS X 6330:2001 Optical memory card -- Linear recording method -- Physical characteristics
1998JIS X 6330:1998 Optical memory card -- Linear recording method -- Physical characteristics