Abstract: A monolithic substrate of glass or glass ceramics and methods for manufacturing are provided, where the substrate has a lightweight structure. The lightweight structure includes recesses that are delimited by webs, such webs forming tetragonal or four-corner-shaped pockets. Due to the lightweight structure, the weight of the substrate can be significantly reduced, and at the same time a high rigidity can be ensured. The substrate can be used as a mirror support or a mirror and can be employed terrestrially and/or extra-terrestrially.

Abstract: Laminated, transparent set of panes made of brittle materials and interleaved laminated films, wherein the brittle materials are various glasses, special glasses, glass-ceramics, transparent ceramics and crystalline materials, process for producing and bending the set of panes and films, and its use thereof, as a bulletproof, unbreakable and shockproof glazing with a low weight per unit area.

Abstract: A substrate and methods of making is provided. The substrate is made of glass or glass ceramic and finds use as a mirror support having a light-weight structure. The substrate includes recesses and is reinforced with covers in the region of bearing points for rigidification.

Abstract: In a substrate, particularly in a substrate for a mirror support, in which recesses are introduced in one surface, preferably in the back side of the substrate, as a result of which, in particular, bridging pieces are defined between the recesses, in order to achieve the situation that despite a reduced weight, a high rigidity still remains, which means only a slight sagging after its correct uptake in a holding device provided for it, it is provided that at least one first portion of the bridging pieces has a width that is different than a second portion of the bridging pieces.

Abstract: The invention relates to agents and methods for the diagnosis, prognosis and treatment of cancer.

Abstract: The invention concerns a method for separating plate-shaped workpieces of mechanically brittle and nonmetal materials along any contour desired, comprising the following steps: Scratching of separating lines along the contour up to a depth T by means of a cutting device in at least one side of the plate-shaped workpiece is hereby characterized in that the plate-shaped workpiece is stimulated to bending vibrations at a vibration amplitude along the separating lines, so that the plate-shaped workpiece is completely separated along the separating line.

Abstract: A flat light source having a front plate and a rear part. The front plate is held at a distance from the rear part by spacers. A gaseous filling which is under a pressure lower than the ambient atmospheric pressure is introduced into the intermediate space between the front plate and rear part, and the front plate is of a glass material. To be able to produce flat light sources of this type which have a low intrinsic weight, according to this invention the front plate and/or the rear part can be configured as an at least partly thermally or chemically tempered glass pane or the front plate and/or the rear part can be configured as a glass pane which at least in areas is coated with ductile polymer material.

Abstract: An apparatus is used to make microchips in which monochromatic light issuing from a light source is guided to a photomask that is held in a predetermined position in which the monochromatic light rays are combined with a lens system and directed to a wafer. The supporting plate is a rectangular plate made from glass or glass-ceramic material that has a receptacle for holding the photomask. In order to provide a supporting plate according to the invention with weight that is as small as possible and with a dynamic stiffness as high as possible, the rectangular plate is provided with front-edge elongated blind holes extending in side edge regions along both long edges of the rectangular plate in the plane of the plate, as well as with other recesses. The elongated blind holes are preferably thin-walled and have a box-like shape.