High efficiency precision laser beam switch
High NA catadioptric focusing device having flat diffractive sur
High NA objective lens for optical pick-up
High NA solid catadioptric focusing device having a flat...
High numerical aperture optical focusing device for use in...
High numerical aperture optical focusing device having a...
High performance DVD writing current circuit
High speed information system utilizing scanning tunneling micro
High-density data storage medium, method of manufacturing...
High-density data storage using atomic force microscope
High-density information recording/reproducing method
High-density information recording/reproducing method
High-density information storage apparatus using electron...
High-density magnetic recording and optical reproducing apparatu
High-density optical pickup for rotating media
High-density recording optical head
High-speed optical recording and erasing method and...
High-speed, high-density data storage apparatus employing...
Higher performance DVD writing current circuit
Hologram and optical apparatus with hologram