U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Optical recording method and optical recording apparatus

Patent 8165005 Issued on April 24, 2012. Estimated Expiration Date: Icon_subject March 25, 2029. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Semiconductor laser device and optical processing system using the device
Patent #: 6430204
Issued on: 08/06/2002
Inventor: Tanaka

Information recording method, information recording device, optical information recording medium, program for recording information and storage medium Patent #: 7349315
Issued on: 03/25/2008
Inventor: Narumi, et al.

Inventors

Assignee

Application

No. 12410769 filed on 03/25/2009

US Classes:

369/116Light intensity adjustment or maintenance

Examiners

Primary: Tran, Thang
Assistant: Gupta, Parul

Attorney, Agent or Firm

Foreign Patent References

  • 02-282932 JP 11/01/1990
  • 06-162506 JP 06/01/1994
  • 2004-139638 JP 05/01/2004
  • 2005-37651 JP 02/01/2005
  • 2006-196125 JP 07/01/2006

International Class

G11B 7/00

Abstract

Disclosed is an optical recording method. The optical recording method includes irradiating an area where a recording mark is formed in a medium with a pulse train of laser light, and irradiating the area where the recording mark is formed with continuous-wave laser light that is continuously output.

Other References

  • Dynamics of photoenergy relaxation in copper phthalocyanine solids.
  • Laser handbook, Second edition, the Laser Society of Japan, p. 912).
  • M. Watanabe et al, “Three-Dimensional Optical Data Storage in Vitreous Silica”, Japanese Journal of Applied Physics, vol. 37, Part 2, No. 12B, pp. L1527-L1530 (1998).
PatentsPlus Images
Enhanced PDF formats
loading...
PatentsPlus: add to cart
PatentsPlus: add to cartSearch-enhanced full patent PDF image
$9.95more info
PatentsPlus: add to cart
PatentsPlus: add to cartIntelligent turbocharged patent PDFs with marked up images
$16.95more info
 
Sign InRegister
Username  
Password   
forgot password?