Different causes of similar view defects of ion barrier MCP were studied. Select ion barrier MCP with dark spots and bright spots. By analyzing its view and its own quality during operation, the different causes of the similar view defects of the ion barrier MCP were obtained. The analysis leads to solutions for different defects, which have a very positive effect on the improvement of the view of image intensifier.
In order to study the properties of the organic membrane as the substrate of the Al2O3 ion barrier film, the micro-micromorphology of organic membrane with different thickness was analyzed by step tester and metallographic microscope, and study the influence about the thickness of the organic membrane on the electrical characteristics of the MCP. The experimental results show that as the thickness of the organic membrane increase, the continuity and compactness of the organic membrane increase; and the loss of the current gain of the ion barrier MCP also increase. When the current gain of MCP without ion barrier film was 16000, and the thickness of organic membrane is 121nm, the current gain of the MCP with the ion barrier film was reduced by 94%.
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