Russian inventor will present the "killer" of Geiger-Muller meter

Moscow, April 13 - 16, 2014. Dr. Vladimir Elin, a Russian inventor, will show DoRaSi silicone detector of ionizing radiation. OJSC Intersoft Euasia as the operator of DO-RA project raised funds from Skolkovo Fund and CJSC Smart Logistic Group in total amount of USD 1 million.

The main function of DoRaSi sensor is recording ionizing radiation by transforming it to electric signal in the silicone wafer. The second function is determination of radiation type. Therefore, DoRaSi sensor enables to determine the isotope (uranium, caesium or iodine) creating the dangerous ionizing radiation.

If compared with the well-known Geiger-Muller meter, DoRaSi silicone sensor has the following features:

•  It is able to register virtually any ionizing radiation - even alpha radiation, rather than gamma and hard gamma rays;

•  Small size (up to 0.05 cm3) - the Geiger-Muller sensor of the same effectiveness of recording has 100 times the size of the silicone sensor;

•  Lower energy consumption: nanoampere current at up to 100 V voltage (350 - 450 V for the Geiger-Muller sensor)

•  Low cost, since the sensor is manufactured with the use of the world-proven microelectronic technologies.

DoRaSi silicone sensor for recording ionizing radiation will be in demand for consumer measurements, monitoring radiation safety at nuclear power stations, in radiation medicine (fluorography, dentistry, etc.), as well as for monitoring hidden transportation of nuclear materials in luggage and control of radiation safety.


Infinity Telekom from the Republic of Korea supplying engineering solutions to the largest manufacturers of smart phones that has its own global distribution network has shown an interest in DO-RA project.

It is proposed to agree manufacturing and supply of DO-RA products based on DoRaSi sensors as peripherals, as well as DO-RA.micro smart sensors for integration with smart phones and computers.


For details please contact Yulia Davydova: 

+7 903 156 68 38

Project summary: 

The idea of creating DO-RA device was born on March 29, 2011 after writing the article titled "Our Radioactive World".  At first, Vladimir Elin examined a web study of dosimeters and radiometers, and then he bought a couple of consumer dosimeters and disassembled them to inspect components. After that he performed patent search for non-infringement quality of the idea.  It was that time, when the unique nature of the utility model became apparent. It turned out that there are no analogues of the hybrid of a mobile/smart phone and dosimeter/radiometer in the examined patents of many countries. To be exact, there were some counterparts, but they differed much from the formula of the utility model of the DO-RA device and the Russian patent for the dosimeter/radiometer on the basis of the mobile/smart phone issued later.  The unique nature of DO-RA is based on the fact that the device has no analogues during the period of patent search and on the moment of filing the international utility model application.  As for now, Vladimir Elin is the owner of the Russian Patent No. 109625 and priority for novelty and capability of reproducing of  the DO-RA utility model dated June 24, 2011.  DO-RA device patent applications in US, Japan, China, EU and Ukraine are pending.

"DO-RA" name is an abbreviation of two words: dozimeter-radiometer or DO-RA. These abbreviations look alike in Russian and in English helping to recognize the device.