A method of constructing a thin film mirror

G - Physics – 02 – B

Patent

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Details

G02B 5/08 (2006.01) G02B 1/08 (2006.01) G02B 5/10 (2006.01) G02B 26/08 (2006.01) G02B 27/62 (2006.01) H01L 49/02 (2006.01)

Patent

CA 2352565

A method of constructing a thin film mirror, which method comprises: (i) providing a suction chamber (2) with edges (4) which lie on a required mirror surface; (ii) providing tensioning means which is forced into contact with film (8) adjacent to at least one of the edges of the suction chamber such that tension in the film parallel to the edge is increased; and (iii) providing holding means (12) for (a) holding the tensioning means (10); (b) locally adjusting holding pressure on the tensioning means (10); and (c) feeding the tensioning means (10) into position after the film (8) has been attached to the suction chamber (2).

La présente invention concerne un procédé de construction d'un miroir à film mince, ledit procédé comprenant : (i) la constitution d'une chambre d'aspiration (2) dont les extrémités (4) se situent sur une surface du miroir à réaliser; (ii) la mise en place d'un dispositif de mise sous tension que l'on met en contact avec le film (8) adjacent à au moins l'une des extrémités de la chambre d'aspiration de sorte que la tension dans le film parallèle à l'extrémité soit augmentée et (iii) la mise en place de moyens de retenue (12) permettant de a) retenir les moyens de tension (10), b) de régler localement la pression des moyens de tension (10) et c) de mettre les moyens de tension (10) en position une fois que le film (8) a été fixé à la chambre d'aspiration (2).

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