Phase change optical information recording system with a header

Phase change optical recording device and method employing a las

Phase change optical recording medium

Phase change optical recording medium

Phase change optical recording medium and its writing with high

Phase change optical recording medium and process for...

Phase change optical recording medium containing oxygen and proc

Phase change optical recording medium, method of overwriting sam

Phase change record carries having crystalline nuclei and/or whi

Phase change recording apparatus having front and rear pulse cha

Phase change recording medium for allowing a tracking servo cont

Phase change type optical disk having different reflectances...

Phase change type optical recording apparatus and optical record

Phase change type optical recording apparatus and optical record

Phase change type optical recording medium and recording...

Phase change type optical recording medium having minute...

Phase changing apparatus and optical pickup apparatus for magnet

Phase changing recording medium with amorphous points each forme

Phase comparing apparatus and focus error detecting apparatus

Phase compensation adjustor for magneto-optical recording device