| 摘要 |
PROBLEM TO BE SOLVED: To provide a two-dimensional microstrip gas chamber having a large area and a flexible form by causing the electron amplification of a gas passing between the surface of a substrate and a drift plate to take the signal of X-ray or corpuscular beam, and performing a simultaneous measurement of twodimensional coordinate. SOLUTION: Anode strips 2 and cathode strips 3 alternately arranged in parallel are formed on a substrate 1 consisting of an elastic organic thin film, and a high voltage is applied between the anode strip 2 and the cathode strip 3. Back strips 5 crossing the anode strips 2 and the cathode strips 3 are formed on the lower surface of the substrate 1. A drift plate 6 is arranged on the thus- formed element with a prescribed space, whereby a chamber for passing, for example, a gas consisting of argon and ethane is formed. The gas is passed between the surface of the substrate 1 and the drift plate 6, the electron amplification of this gas is caused to take the signal of X-ray or corpuscular beam, and a simultaneous measurement of twodimensional coordinate is performed.
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