Method and apparatus for detecting alpha-emitting substances
CA 1165472 A · Owner: Boliden Aktiebolag · Inventors: Malmqvist, Erik L.; Kristiansson, Krister
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method for detecting and measuring alphaemitting substances, such as radon and/or daughter products of radon, by registering nuclear tracks on a detector. By contucting away during measuring any electrostatic field which may have built-up on the detector, there is eliminated the risk of erroneous information being obtained with respect to the dosage of radiation received. A device in the form of a dosimeter for carrying out the detecting and measuring method is also provided in accordance with the invention. Arranged on or in the immediate vicinity of the registering surface (1) of the detector is an electrically conductive material (2) which at least partially …
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted April 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2001.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.