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. 17, 1980
Filed:
Aug. 10, 1978
Applicant:
Inventor:
Shih-Ping Wang, Los Altos, CA (US);
Assignee:
Diagnostic Information, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
2502 / ; 313 94 ;
Abstract
An X-ray amplifier tube of the proximity design in which the scintillator screen, the photo-cathode screen and the output phosphor display screen are all segmented, with the segmentations of each screen being in registry with those of the other screens. In some embodiments one or more apertured masks are interposed between the scintillator-photocathode screen assembly and the output phosphor display screen, or ahead of the scintillator-photocathode screen assembly, the apertures of the masks being in registry with the segmentations of the scintillator-photocathode screen and the output phosphor display screen.