Kunio Takada

Process and apparatus for injection-molding product having minute surface pattern and central hole

Method for manufacturing an optical recording medium

Rotational polygon mirror and method of manufacturing the same

Process for producing substrate for optical disk by annealing substrate with gradient double refraction distribution

Process for producing an optical recording medium having a protective layer formed using a plasma processing device

A pallet for holding an information recording medium, a process for producing an information recording medium employing the same, and an apparatus for the process

Magneto-optical disc

Electron source substrate and image-forming apparatus

Optical recording medium and process for manufacturing it.

Electron emitting device having electroconductive thin film and high resistivity sheet