Edge strengthened substrate of a data storage disk and method fo
Edge-cladding glass of disc laser glass
Elastic pad
Electric circuit substrate
Electroconductive resin composition and a videodisc record
Encoder made of rubber material and method of manufacturing...
Enhancement of positive contrast in optical recording
Epoxy resin composition and optical information recording...
Erasable optical disk media and method of recording/erasing the
Erasable optical recording medium and method for writing, readin
Erasable phase change optical recording elements
Etched mold surface for use in making light-readable discs
Exchange-discharge body with reactive material