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. 06, 1978
Filed:
Jul. 21, 1977
Applicant:
Inventors:
Leo P Parts, Dayton, OH (US);
Edgar E Hardy, Kettering, OH (US);
Assignee:
Monsanto Research Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; C08G / ; C08F / ; G01D / ;
U.S. Cl.
CPC ...
264 25 ; 20415919 ; 2041592 ; 260 / ; 260 / ; 260 / ; 260 / ; 260 / ; 264154 ; 346 / ;
Abstract
In a process for data signal recording in which a recording medium is impinged upon by an intensity-modulated, focused laser beam to form a hole in at least one layer of the recording medium, the improvement wherein at least one layer of the recording medium comprises a polymer capable of undergoing residue-free depolymerization and the laser beam is of sufficient intensity to effect said depolymerization.