Invention Grant
- Patent Title: Method for making a thermally stable connection between a glass element and a support element, method for producing an optical device, and optical device
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Application No.: US17917805Application Date: 2021-04-06
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Publication No.: US11712753B2Publication Date: 2023-08-01
- Inventor: Guido Hergenhan
- Applicant: JENOPTIK Optical Systems GmbH
- Applicant Address: DE Jena
- Assignee: Jenoptik Optical Systems GmbH
- Current Assignee: Jenoptik Optical Systems GmbH
- Current Assignee Address: DE Jena
- Agency: Muncy, Geissler, Olds & Lowe, P.C.
- Priority: DE 2020109968.1 2020.04.09
- International Application: PCT/EP2021/058894 2021.04.06
- International Announcement: WO2021/204776A 2021.10.14
- Date entered country: 2022-10-07
- Main IPC: B23K26/324
- IPC: B23K26/324 ; B23K26/0622 ; B23K1/00 ; B23K1/19 ; B23K26/22 ; B23K103/18 ; B23K103/00
Abstract:
The invention relates to a method for thermally stable joining of a glass element to a support element, wherein the glass element has a first coefficient of expansion and the support element has a second coefficient of expansion differing from the first coefficient of expansion. The method thus comprises a step of attaching an intermediate glass material to the support element, wherein the intermediate glass material has a third coefficient of expansion which substantially corresponds to the second coefficient of expansion. In addition, the method comprises a step of local heating of the intermediate glass material in order to join the glass element to the support element via the intermediate glass material.
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