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Mirror supporting substratum for e.g. terrestrial observation, has spacers defined between one set of recesses and/ or two set of recesses, where part of one set of spacers has width different from width of part of other set of spacers

  • The substratum (1) has two set of recesses (2, 3, 4, 7, 8) formed in a rear face (16), where the substratum is produced from a monolithic block of material including a lithium- aluminum- silicon type glass ceramic material. Set of spacers (5, 6, 9, 10) are defined between one set of recesses (2, 3, 4) and/ or the two set of recesses. A part of one set of spacers (5, 6) defined by the former recesses has width different from width of a part of other set of spacers (9, 10) defined by the latter recesses.

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Metadaten
Author:Martin Schäfer, Thorsten DöhringORCiD, Volker Seibert, Thomas Westerhoff, Hans-Joachim Nowak
URL:http://worldwide.espacenet.com/publicationDetails/biblio?CC=FR&NR=2935178B1&KC=B1&FT=D&ND=5&date=20150313&DB=EPODOC&locale=de_EP
Document Type:Patent
Language:English
Year of Completion:2015
Contributing Corporation:SCHOTT AG
Release Date:2015/04/21
Tag:Zerodur; astronomy; ceramic; lightweight; mirror
GND Keyword:Spiegeloptik; Raumfahrt
Urheberrecht:0
Patentnummer:FR2935178 (B1)
Patentnummer:FR2935178 (A1)
Land der Patentanmeldung:Frankreich
research focus :Materials / Innovative Material Processing
Materials / Material Testing & Sensor Technology
Licence (German):Keine Lizenz - es gilt das deutsche Urheberrecht
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