IMPROVEMENTS IN RADIATION GAUGES HAVING IONIZATION CHAMBERS
Patent
·
OSTI ID:4081728
A radiation gage for measuring the tobacco filler in a cigarette-making machine is described. The radioactive source may be Sr/sup 90/ embedded in a solid silver strip. The cylindrical ionization chamber has a window and plate- like electrode lying in planes transverse to the plane of the window. A means of rotating the chamber is provided so that the electrode plates may be disposed of in different angular relationships to the radioactive source and tobacco filler interposed between the source and chamber. Thus different areas of the chamber are exposed to the radiation. Rotating the chamber then can afford a means of adjusting the sensitivity. The gas in the chamber may be nitrogen or a mixture of argon and carbon dioxide. (M.C.G.)
- Research Organization:
- Originating Research Org. not identified
- NSA Number:
- NSA-15-011285
- OSTI ID:
- 4081728
- Report Number(s):
- GB 860187
- Country of Publication:
- United Kingdom
- Language:
- English
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