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:
Dec. 27, 1977
Filed:
Mar. 30, 1976
Applicant:
Inventors:
Assignee:
Thomson-CSF, Paris, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01T / ;
U.S. Cl.
CPC ...
250370 ; 2503 / ;
Abstract
The invention relates to X rays detection devices, either for dose metering purposes or for display purposes. The device in accordance with the invention comprises a thin plate of ferroelectric material upon the faces of which electrical charges are deposited. X ray radiation produces an increase in the conductivity of the material and, consequently, modulation of the distribution of the charges, determination of which furnishes the desired detection.