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US 4,066,344 AGranted
Light-weight arch type structures for large reflective mirrors
OwnerDipak Chandra Talapatrainventor
Life of this patent
Estimating the term…
Abstract
Described are light-weight mirror substrates for large reflective telescopes. The substrates consist of arch type structures and are formed by removing materials in arch-like fashion from the conventional solid disc. The arch type structures are significantly superior to solid discs with respect to deflection and weight.
Claims3
A light-weight mirror structure consisting of a single solid cylindrical block having a reflecting face and a support face opposite the reflecting face, said support face being in the form of a structural arch with its apex coincident with the axis of rotation of the cylindrical block.
Dependencies are inferred from the claim text.