NDLI: Pulsed soft X-ray tube of novel design

Content Provider	IEEE Xplore Digital Library
Author	Reed, W.O. Rothstein, J. Goldberg, S.
Copyright Year	1960
Description	Author affiliation: Edgerton, Germeshausen and Grier, Inc., Boston, Massachusetts (Reed, W.O.)
Abstract	A ceramic envelope X-ray tube was developed to give short pulses $(10^{-7}seconds)$ of very intense, soft radiation (peak dose rate of the order of $10^{9}roentgens/second,$ anode voltage 20 KV). The triple-oxide cathode is planar, has a 9/16" diameter, and is separated from the target by a normally closed, magnetically operated shutter which prevents barium oxide evaporation from cathode to target. A pulsed electromagnet opens the shutter in synchronism with a cathode "hot shot" for" increased emission and application of anode voltage. The tube is operated space charge limited to avoid cathode sparking. The target is a layer of gold, about 0.6 microns thick, evaporated directly onto the 0.010" beryllium window. The output radiation pulse has been found to exceed 160 roentgens for a peak target current of 180 amperes. Novel features of design, construction, and circuitry will be briefly described.
Starting Page	84
Ending Page	84
File Size	44915
Page Count	1
File Format	PDF
DOI	10.1109/IEDM.1960.187201
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1960-10-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cathodes Anodes Voltage Ceramics Magnetic separation Barium Electromagnets Space charge Gold Circuits
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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