11 October 2004 Development of press-formed substrates for large x-ray telescopes
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We are studying on a press forming of a 0.3-mm-thick foil in order to make advanced thin-foil substrates with a two-stage reflector for large X-ray telescopes. We press-formed one sheet of aluminum foil using a stamping die with high accuracy, and then obtained a two-stage reflector with a length of 100 mm/stage. The accuracy of its shape along the axial direction reached to 10 μm. Since long substrate has an advantage for fabrication of large X-ray telescopes, we are making a two-stage reflector with a stage 200 mm long. The stamping die for the long substrate was processed by the ELID method. We will perform a press-forming in this summer. In order to evaluate the press-formed substrate, we have made a surface measurement system. It is possible to response to a fabrication of the substrate quickly.
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Hisamitsu Awaki, Hisamitsu Awaki, Kazunori Heike, Kazunori Heike, Toshikazu Nakashima, Toshikazu Nakashima, Hirokatsu Murakami, Hirokatsu Murakami, Hiromichi Honda, Hiromichi Honda, Susumu Shioya, Susumu Shioya, "Development of press-formed substrates for large x-ray telescopes", Proc. SPIE 5488, UV and Gamma-Ray Space Telescope Systems, (11 October 2004); doi: 10.1117/12.550325; https://doi.org/10.1117/12.550325


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