Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Medium, apparatus, and method of recording optical-information










Image Number 14 for United States Patent #7768881.

An optical-information recording medium includes a substrate that includes a servo surface having a servo pattern thereon; an information recording layer laminated on the servo surface of the substrate capable of recording information as a hologram produced by interference between an information beam containing the information and a reference beam; an address servo area that is formed as a part of the servo pattern, and that records therein address information and clock information for aligning a beam, emitted from an optical-information recording apparatus for recording information in the information recording layer, to a target position in the information recording layer; and a following up servo area that is formed as a part of the servo pattern, and that is to be irradiated by the beam to make the beam follow a rotation of the optical-information recording medium.








 
 
  Recently Added Patents
Split-ring resonator creating a photonic metamaterial
Power surface mount light emitting die package
Alleviation of laser-induced damage in optical materials by suppression of transient color centers formation and control of phonon population
Method of measuring specific absorption rate of electromagnetic waves
Movable assemblies for an image reader unit and a cover unit in an image formation apparatus
Thwarting keyloggers using proxies
Method and system for detecting data modification within computing device
  Randomly Featured Patents
Moveable holder structure for the foot pedal of a drum
Lighting equipment
Percussion tool fluid filter apparatus
Parrot-beakable freestanding plastic drum assemblage
Nucleic acid amplification and detection methods using rapid polymerase chain reaction cycle
Process for the hydrolysis of lactose
Keyboard
Hot-composting apparatus
Compositions and methods for detecting Atopobium vaginae
Front bumper for automotive vehicle