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Class Information
Number: 250/370.02
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Semiconductor system > Alpha particle detection system
Description: Subject matter wherein the system contains detection means to generate the electric signal in response to helium nuclei impingent thereupon.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7411198 |
Integrator circuitry for single channel radiation detector |
Aug. 12, 2008 |
| 7375336 |
ZnS(Ag) scintillation detector |
May. 20, 2008 |
| 7369057 |
Power generator and power generator auxiliary monitoring |
May. 6, 2008 |
| 7335890 |
Method and apparatus for detecting atomic particles |
Feb. 26, 2008 |
| 7259381 |
Methodology for determining electron beam penetration depth |
Aug. 21, 2007 |
| 7220968 |
Radiation detector having all-metal circuitry operation of which is based on electron spin |
May. 22, 2007 |
| 7194360 |
Method of determining radioactive nuclides |
Mar. 20, 2007 |
| 7161153 |
Apparatus and method for detecting .alpha.-ray |
Jan. 9, 2007 |
| 7148485 |
Low-energy charged particle detector |
Dec. 12, 2006 |
| 7057180 |
Detector for alpha particle or cosmic ray |
Jun. 6, 2006 |
| 6998618 |
Integral condition monitor for detecting overheating in an electric generator |
Feb. 14, 2006 |
| 6847040 |
Sensor arrangement and method in digital X-ray imaging |
Jan. 25, 2005 |
| 6828561 |
Apparatus and method for detecting alpha particles |
Dec. 7, 2004 |
| 6822235 |
Environmental radioactivity monitor |
Nov. 23, 2004 |
| 6774638 |
Charged particle measuring device and measuring method thereof |
Aug. 10, 2004 |
| 6753469 |
Very high efficiency, miniaturized, long-lived alpha particle power source using diamond devices for extreme space environments |
Jun. 22, 2004 |
| 6707045 |
Detector for ionising radiation |
Mar. 16, 2004 |
| 6479825 |
Low-energy particle sensor |
Nov. 12, 2002 |
| 6262420 |
Detection of alpha radiation in a beta radiation field |
Jul. 17, 2001 |
| 6011479 |
Personal continuous air monitor |
Jan. 4, 2000 |
| 5962856 |
Active matrix X-ray imaging array |
Oct. 5, 1999 |
| 5677538 |
Photodetectors using III-V nitrides |
Oct. 14, 1997 |
| 5656817 |
Radioactive ion detector |
Aug. 12, 1997 |
| 5552610 |
Device and method for accurately measuring concentrations of airborne transuranic isotopes |
Sep. 3, 1996 |
| 5489780 |
Radon gas measurement apparatus having alpha particle-detecting photovoltaic photodiode surrounded by porous pressed metal daughter filter electrically charged as PO-218 ion accelerator |
Feb. 6, 1996 |
| 5457322 |
Semiconductor radiation detection apparatus for discriminating radiation having differing energy levels |
Oct. 10, 1995 |
| 5331164 |
Particle sensor array |
Jul. 19, 1994 |
| 5319208 |
Forced air flow radon detector having electrically conductive inlet and exhaust filter |
Jun. 7, 1994 |
| 5276332 |
Apparatus for measuring the .alpha. activity of a solution |
Jan. 4, 1994 |
| 5212385 |
Diamond .alpha. particle detector |
May. 18, 1993 |
| 5124936 |
Method and apparatus for measuring airborne uranium and transuranium elements |
Jun. 23, 1992 |
| 5049744 |
Radioactive particle densitometer apparatus employing modulation circuitry |
Sep. 17, 1991 |
| 5029248 |
Electrostatic capture type radon measuring apparatus |
Jul. 2, 1991 |
| 5026986 |
Radon monitor and control system based upon alpha particle detection |
Jun. 25, 1991 |
| 5023455 |
Radiation-sensitive detector array and pre-amplification readout integrated circuit |
Jun. 11, 1991 |
| 4983843 |
Radon detector |
Jan. 8, 1991 |
| 4983834 |
Large area particle detector system |
Jan. 8, 1991 |
| 4960998 |
Method and apparatus for continuously determining gas-carried alpha-radioactivity |
Oct. 2, 1990 |
| 4926052 |
Radiation detecting device |
May. 15, 1990 |
| 4891514 |
Device for monitoring radon exposure |
Jan. 2, 1990 |
| 4888485 |
Beta/alpha continuous air monitor |
Dec. 19, 1989 |
| 4871914 |
Low-cost radon detector |
Oct. 3, 1989 |
| 4808827 |
Method and apparatus for monitoring the concentration of airborne actinide particles |
Feb. 28, 1989 |
| 4804848 |
Ionizing radiation detector for detecting the direction and intensity of the radiation |
Feb. 14, 1989 |
| 4785186 |
Amorphous silicon ionizing particle detectors |
Nov. 15, 1988 |
| 4731535 |
Apparatus for checking persons for radioactive contamination |
Mar. 15, 1988 |
| 4731536 |
Apparatus for checking persons for radioactive contamination |
Mar. 15, 1988 |
| 4701621 |
Monitor for airborne radioactive particles |
Oct. 20, 1987 |
| 4700067 |
Apparatus for checking atmospheric pollution due to alpha particle emitting aerosols |
Oct. 13, 1987 |
| 4607165 |
Process and apparatus for detecting atmospheric contamination by alpha particle aerosols |
Aug. 19, 1986 |
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