Electric lamp and discharge devices – Electrode and shield structures – Cathodes containing and/or coated with electron emissive...
Patent
1993-08-10
1995-07-18
O'Shea, Sandra L.
Electric lamp and discharge devices
Electrode and shield structures
Cathodes containing and/or coated with electron emissive...
313491, 313632, H01J 6130
Patent
active
054344689
ABSTRACT:
Apparatus and method for quantitative autoradiography analysis involving beta-ray radiation comprises a converter 2 and wire chamber 3 in association with a membrane which provides a seal for the housing in which the converter and wire chamber are accommodated, the membrane also providing a "window" for the radioactive samples.
REFERENCES:
patent: 3693046 (1972-09-01), Glaser
patent: 4112329 (1978-09-01), Veith
Webster's Ninth New Collegiate Dictionary .COPYRGT.1990 p. 216.
O'Shea Sandra L.
Oxford Positron Systems Limited
Patel Vip
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