Substrate for information recording media
Substrate for information recording media and magnetic disc
Substrate for information recording medium and production method
Substrate for information-recording media
Substrate for magnetic disk memory and production process
Substrate of optical disc
Substrate with fine grooves and method for manufacturing the sam
Substrate with protective film and method of manufacturing optic
Sulfonamido or amido substituted phthalocyanines for optical rec
Super resolution optical disc
Surface conditioning articles and process for making same
Surface modification of magnetic recording substrates to control
Synthetic articles having a cork-like appearance