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. 24, 1981
Filed:
Oct. 20, 1978
Kristian Peschmann, Aachen, DE;
U.S. Philips Corporation, New York, NY (US);
Abstract
A radiation detection device comprising a housing which comprises an entrance window and in which at least one ionization chamber detector is arranged. The detector comprises a flat high-voltage electrode which is directed transversely transverse the entrance window and a flat collector electrode which is arranged to be at least substantially parallel to the high-voltage electrode. The end faces of these electrodes which face the entrance window are in electrical contact with a flat auxiliary electrode which extends parallel to the entrance window. As a result, a small direct current flows in a direction transverse to the other electrodes during operation, because the auxiliary electrode has a low electrical conductivity. Consequently, the electrical field in the ionization chamber detector is very homogeneous, with the result that the measuring speed can be optimized.