Radiant energy – Ionic separation or analysis – Methods
Reexamination Certificate
2005-08-02
2005-08-02
Lee, John R. (Department: 2881)
Radiant energy
Ionic separation or analysis
Methods
C250S286000, C250S287000, C250S288000
Reexamination Certificate
active
06924477
ABSTRACT:
A system and method for establishing the cleanliness of a device by performing a test is described. The system includes an ion mobility spectrometer to measure target signal strengths, and to measure n2≧1 test signal strengths of a device sample. The system also includes a statistics module to obtain a value of a statistical confidence-level parameter that is associated with a particular confidence level, and a pass range module to obtain a pass range of signal strengths from the value of the statistical confidence-level parameter and the n1target signal strengths. The system also includes an averaging module to obtain an average test signal strength from the n2test signal strengths, and a results module to determine that the device passes the test, indicating that the device is significantly clean to within the particular confidence level, if the average test signal strength lies in the pass range.
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PCT International Search Report dated Nov. 8, 2004; 5 pgs.
Carroll John J.
DeBono Reno
Sandor Robert
Foley & Lardner LLP
Lee John R.
Smith II Johnnie L
Smiths Detection Inc.
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