Dec 22, 2020 · (2020-12-22), Patent Application Titled “Systems And Methods For Determining A Position Of A Focal Spot Of An X-Ray Source” Published Online (USPTO 20200383195), >China Weekly News</i>, 1118, ISSN: 1945-5976, iPaperz™ ID: 022071330
They are usually produced in conjunction with either alpha or beta rays. The difference between the GM-10 and GM-45 (and our other models) is the size of the radiation sensor. The sensor in the GM-45 geiger counter has 24 times the surface area of that in the GM-10 making it more sensitive, especially for alpha and beta radiation sources.