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:
Feb. 28, 1978
Filed:
Aug. 12, 1976
Applicant:
Inventors:
Assignee:
Max-Planck-Gesellschaft zur Forderung der Wissenschaften e.V., Gottingen, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
350-361 ; 250316 ; 346 / ; 346 / ; 427 56 ; 428435 ;
Abstract
A composite material for recording holograms with infrared radiation. The terial includes a substrate and an IR-absorbing recording layer. Infrared radiation is absorbed by the recording layer whereupon the optical thickness of recording layer is changed in the areas exposed to infrared radiation.