Hiroaki Takahata

Optical recording disk

Production method for photoresist master, production method for optical recording medium-producing stamper, stamper, phtoresist master, stamper intermediate element and optical recroding medium

Information medium master manufacturing method information medium stamper manufacturing method information medium master manufacturing apparatus and information medium stamper manufacturing apparatus

Method for manufacturing stamper for information medium manufacture, stamper, and stamper intermediate with master disk

Preparation of optical disk master

Method for manufacturing stamper for information medium manufacture, stamper, and photoresist master disk

Method for producing photoresist master for optical information medium, and method for producing stamper for optical information medium

Method for manufacturing stamper for information medium and device for manufacturing stamper for information medium

Method of manufacturing stamper for manufacturing information medium, stamper, and photoresist master

Manufacturing method of stamper for optical information medium, photoresist master therefor, stamper for optical information medium and optical information medium