2680 Manufacture of magnetic and optical media

26.80.1 Magnetic and optical media
26.80.11 Magnetic media, not recorded, except cards with a magnetic stripe
This subcategory excludes:
- cards with a magnetic stripe, see 26.80.14
26.80.12 Optical media, not recorded
26.80.13 Other recording media, including matrices and masters for the production of disks
This subcategory also includes:
- matrices and masters for the production of disks
26.80.14 Cards with a magnetic stripe
26.80.9 Sub-contracted operations as part of manufacturing of magnetic and optical media
26.80.99 Sub-contracted operations as part of manufacturing of magnetic and optical media