Monolithic Mirror Substrates Of The 8-M Class And Lightweight Mirror Substrates Manufactured From The Glass Ceramic Zerodur

Hoemess, Hartmut W.; Mueller, Rudolf; Rodek, E.; Siebers, Friedrich B.

doi:10.1117/12.949380

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Zerodur Fusion Process1

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1991

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“…A method has been developed to join two or multiple parts of Zerodur to complex geometries (4,5). This so called fusion process can be used to generate lightweighted mirrors as well as special components of Zerodur.…”

Section: Zerodur Fusion Processmentioning

confidence: 99%

Advanced processing of the Zerodur® glass ceramic

Marx¹

1991

SPIE Proceedings

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The Zerodur glass ceramic is an extraordinary material possessing a very low thermal expansion over a broad temperature range. Depending on the size of the castings, a continuous or a discontinuous melting technology is used in the manufacture of Zerodur. Continuous melters are being operated regularly both in Germany and recently in the United States. The latest generation of discontinuous melters started production of 82 m spincast telescope blanks in early 1991.Zerodur fusion is a special process to generate lightweighted mirror blanks and special components. It requires glassy material and generates bonds that are as strong as the bulk material. Further process development such as waterjet cutting and insertion technologies are underway and may generate components of unique shapes and performance.

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Section: Zerodur Fusion Processmentioning

confidence: 99%

Advanced processing of the Zerodur® glass ceramic

Marx¹

1991

SPIE Proceedings

View full text Add to dashboard Cite

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Monolithic Mirror Substrates Of The 8-M Class And Lightweight Mirror Substrates Manufactured From The Glass Ceramic Zerodur

Cited by 1 publication

References 0 publications

Advanced processing of the Zerodur® glass ceramic

Advanced processing of the Zerodur® glass ceramic

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