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T7100: Difference between revisions
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an electrostatic scan-expansion lens that increases deflection 4.5 times vertically and 4 times | an electrostatic scan-expansion lens that increases deflection 4.5 times vertically and 4 times | ||
horizontally, before it hits the micro-channel plate (MCP). | horizontally, before it hits the micro-channel plate (MCP). | ||
The deflection structures are described in US Patent 4,093,891. | |||
The MCP consists of parallel channels of 25 μm diameter and offset at a slight angle to the beam. | The MCP consists of parallel channels of 25 μm diameter and offset at a slight angle to the beam. | ||