Micro Patterned Gas Detector Development
Group at Purdue University

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LEM (Large Electron Multiplier)

The Lab and Equipment

3M MicromeGas

GEM Assembly

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3M-MicromeGas testing

Here is a description of the testing procedures

First the number of sparks versus the applied voltage is measured.
- Results for sets 101 to 110
- Results for sets 111 to 120 Not yet available.
Second the device is left for a certain amount of time (default one hour but sometimes more) and the number of sparks per minute is measured versus the total number of minutes at 600 V.
- Results for sets 101 to 110
- Results for sets 111 to 120 Not yet available.