초록

In connection with a position measuring system for great measuring lengths, several partial scale elements preferably formed of glass are applied on a base body. The partial scale elements are welded together.

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1. A scale comprising: a base body; and several partial scale elements formed of glass applied to the base body, wherein each of the several partial scale elements comprises a measurement representation and each of the several partial elements is welded together, wherein the base body comprises

1. A scale comprising: a base body; and several partial scale elements formed of glass applied to the base body, wherein each of the several partial scale elements comprises a measurement representation and each of the several partial elements is welded together, wherein the base body comprises a metal and a further welded connection is provided at at least one position between the several partial scale elements and the base body. 2. A scale comprising: a base body comprising a metal; and a partial scale element formed of a glass applied to the base body, wherein the partial scale element comprises a measurement representation, wherein the partial scale element is welded to the metal of the base body. 3. A method for producing a scale comprising: placing a partial scale element on a base body that comprises a metal; and welding the partial scale element on the metal of the base body wherein the partial scale element is made of glass. 4. A method for producing a scale comprising: placing a partial scale element on a base body that comprises a metal; and welding the partial scale element on the metal of the base body wherein the partial scale element is made of glass, wherein the welding is performed by a laser. 5. The method according to claim 4 wherein the laser beam is oriented vertically with respect to a surface of the partial scale element and is focused on a plane underneath the surface. 6. A position measuring system comprising a scale, the system comprising: a scanning unit comprising a light source; a base body comprising a metal; and a partial scale element formed of glass with a measurement representation applied to the base body, which is scanned by the scanning unit; and at least one photodetector for generating position-dependent scanning signals, wherein the partial scale element is welded together with the metal of the base body.