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.

Date of Patent:
Aug. 20, 1985

Filed:

Jun. 06, 1983
Applicant:
Inventors:

Francois Lange, Paris, FR;

Jean Cornet, Paris, FR;

Assignee:

Thomson-CSF, Paris, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
369284 ;
Abstract

The invention relates to protected optical disk structures. The invention relates placing the sensitive layer on a substrate, which is only joined to the other elements constituting the box by a single fixing area, located in the central part of said box, in order that deformations of the box do not affect the smoothness and flatness of the substrate.


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