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. 12, 2006
Filed:
Sep. 07, 2001
Pelle Rangsten, Storvreta, SE;
Carolina Ribbing, Uppsala, SE;
Klas Hjort, Uppsala, SE;
Jonas Tirén, Uppsala, SE;
Pelle Rangsten, Storvreta, SE;
Carolina Ribbing, Uppsala, SE;
Klas Hjort, Uppsala, SE;
Jonas Tirén, Uppsala, SE;
Radi Medical Technologies AB, Uppsala, SE;
Abstract
A miniaturized X-ray source is disclosed. It comprises an anode structure () and a cathode structure (), each having an essentially pointed portion (), wherein at least the pointed portions being directed towards each other and enclosed in a vacuum cavity (). The anode structure has an essentially dome shaped structure having a first essentially flat part () surrounded by a second essentially flat part (), connected by a wall section (), such that said first and second parts are located at different levels. The pointed portion is provided on said first flat portion and having an extension such that the apex of said pointed portion does not extend beyond the level of said second essentially flat part. A method of making an X-ray source is also disclosed.