Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEMENS & HALSKE AKTENESELLSCHAFT
Original Assignee
SEMENS & HALSKE AKTENESELLSCHAFT
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SEMENS & HALSKE AKTENESELLSCHAFTfiledCriticalSEMENS & HALSKE AKTENESELLSCHAFT
Priority to ES0027543UpriorityCriticalpatent/ES27543Y/en
Publication of ES27543UpublicationCriticalpatent/ES27543U/en
Application grantedgrantedCritical
Publication of ES27543YpublicationCriticalpatent/ES27543Y/en
Flat cathode for electron beam tubes, especially for Braun tubes and generator tubes, respectively amplifiers for centimeters, characterized in that one of the flat sides of the cathode is coated with an oxide or an alloy of an alkaline earth metal and this The layer is covered by a series of parallel wires or tapes, preferably a metal of high melting point such as tungsten or molybdenum. (Machine-translation by Google Translate, not legally binding)