Shell structure of multi-lens cryogenic infrared detector packaged in Dewar
An infrared detector, deep and low temperature technology, which is applied to the tube-shell package in the infrared detection dewar, and the multi-lens deep-low temperature infrared detector tube-shell structure field, which can solve the problems of huge subsequent optical structure and complexity, and achieve the internal temperature field. Uniform, reduce mechanical load, ensure the effect of no force
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[0067] The specific embodiment of the present invention will be described in further detail below in conjunction with accompanying drawing in embodiment:
[0068] This embodiment is a 15 μm very long-wave multi-lens deep-low temperature infrared detector Dewar inner shell structure, as attached figure 1 As shown, its main implementation method is as follows:
[0069] 1) After the parts are processed, check whether the parts meet the design requirements according to the drawing size requirements. Measure the lens support shell from the bottom surface (reference surface) to the step 404, that is, the height D1 of the mounting surface of the lower lens 5, and then measure the bottom surface (reference surface) to the step 405, that is, the upper lens, by a Z-axis measuring microscope and a three-coordinate measuring instrument 7 Height D2 of the mounting surface.
[0070] 2) Gem electrode plates are formed by interlacing and superimposing two layers of 0.4 mm thick, the diamete...
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