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| Construction Elements: Cassettes
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- An aeronautical grade aluminum alloy is formed to give a curved profile. The curvature is optimized for displacement of air trapped inside the cassette body.
- A lead sheet is affixed inside the cassette shell to prevent backscatter.
- An open cell structured polyurethane foam in the tray allows the trapped air to escape and facilitates good film-screen contact.
- The front plate of the cassette is made from an aluminum alloy which resists bending pressure, exerted on it when the cassette is closed.
- Each construction element has a controlled tolerance of 0.1 mm and is engineered to eliminate gaps and leakages.
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