Manufacture of blanks for recording discs utilizing coextrusion
Manufacture of contoured records
Method and apparatus for trimming and finishing the outer edge o
Method for fabricating an information signal recorded medium of
Method for manufacturing disk-shaped information carriers
Method for producing disc records having molded-in center holes
Method for the manufacture of capacitive electronic discs
Method for the manufacture of flexible disks
Method of making a laminated recorded disc
Method of making a video disc from a disc preform
Method of making picture phonograph record
Method of manufacturing a plastic record carrier having a strati
Method of manufacturing information storage mediums
Method of producing plate-shaped body