The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 14, 2020
Filed:
May. 14, 2015
General Electric Company, Schenectady, NY (US);
Srinidhi Ramachandra, Bangalore, IN;
Wusheng Xu, Shanghai, CN;
Alok Mani Srivastava, Niskayuna, NY (US);
Gopi Chandran Ramachandran, Bangalore, IN;
Prasanth Kumar Nammalwar, Bangalore, IN;
Sergei Ivanovich Dolinsky, Niskayuna, NY (US);
Helene Claire Climent, Sugarland, TX (US);
Baker Hughes Oilfield Operations, LLC, Houston, TX (US);
Abstract
A method and an apparatus for detecting photons are disclosed. The apparatus includes a scintillator single crystal and an avalanche photodiode coupled to the scintillator single crystal. The scintillator single crystal is at a temperature greater than about 175° C. and at a shock level in a range from about 20 Grms to about 30 Grms. The scintillator single crystal includes a praseodymium doped composition selected from (LaY)2SiO:Pr, ABClX:Pr, A(Li,Na)LaClX:Pr, or any combinations thereof. As used herein A is cesium, rubidium, potassium, sodium, or a combination thereof, B is calcium, barium, strontium, magnesium, cadmium, zinc, or a combination thereof, and X is bromine, iodine, or a combination thereof. Further, (0<x<1), and (0<y<3).