Specimen preparation
Optical measurement
Thickness
Environment (working)
Recording tracks
Transmittance
Performance testing
Recording equipment components
Adhesion tests
Cassettes (magnetic tapes)
Testing conditions
Information exchange
Width
Dimensions
Interchangeability
Cupping tests
Holes
Test equipment
Transportation
Data recording
Containers
Recording characteristics
Magnetic tape equipment
Data media
Electrical resistance
Circuits
Yield strength
Strength of materials
Elongation
Magnetic tapes
Adhesion
Electrical testing
Data layout
Curvature
Magnetic recording
Data processing
Lids
Design