Alpha-particle gas-pressure sensor

Details Alpha-particle gas-pressure sensor Alpha-particle gas-pressure sensor

1997-05-30

1999-07-20

Dombroske, George

Measuring and testing

Fluid pressure gauge

250382, 340629, G01L 700, G01T 118

Patent

active

059258233

ABSTRACT:
Gas pressure in a chamber is determined by injecting alpha particles. The alpha particles ionize the gas. By determining a number of gas ions which are ionized, the pressure of the gas in the chamber can be determined.

REFERENCES:
patent: 3792254 (1974-02-01), Lecuyer
patent: 4336455 (1982-06-01), Bryant

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