Radiant energy – Ionic separation or analysis – With sample supply means
Patent
1994-12-12
1996-05-28
Berman, Jack I.
Radiant energy
Ionic separation or analysis
With sample supply means
250289, 25044111, H01J 4904
Patent
active
055213812
ABSTRACT:
The portable Contamination Analysis Unit (CAU) measures trace quantifies of surface contamination in real time. The detector head of the portable contamination analysis unit has an opening with an O-ring seal, one or more vacuum valves and a small mass spectrometer. With the valve closed, the mass spectrometer is evacuated with one or more pumps. The O-ring seal is placed against a surface to be tested and the vacuum valve is opened. Data is collected from the mass spectrometer and a portable computer provides contamination analysis. The CAU can be used to decontaminate and decommission hazardous and radioactive surface by measuring residual hazardous surface contamination, such as tritium and trace organics It provides surface contamination data for research and development applications as well as real-time process control feedback for industrial cleaning operations and can be used to determine the readiness of a surface to accept bonding or coatings.
REFERENCES:
patent: 3346736 (1967-10-01), Neuhaus
patent: 4584479 (1986-04-01), Lamattina et al.
patent: 4820920 (1989-04-01), Bather
Gregg Hugh R.
Meltzer Michael P.
Berman Jack I.
Sartorio Henry P.
The Regents of the University of California
Wooldridge John P.
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