The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 28, 1994
Filed:
Jun. 25, 1992
Applicant:
Inventors:
Osamu Majima, Kanagawa, JP;
Hiroshi Benno, Chiba, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430138 ; 430307 ; 430495 ; 430945 ; 430964 ;
Abstract
A printing material comprises a shaped structure made of a combustible material and an oxidizing agent, or a self-combustible material having an oxidizing agent contained therein, or a mixture of a self-combustible material and a combustible material. The printing material is formed with pits by application of a laser beam with small output power. The printing material may further comprise a light absorber in order to promote absorption of the laser beam in the printing material.