Abstract: A flat glass is provided that includes a first side face, an opposite, second side face, and at least one edge face. The flat glass has a linear predetermined breaking location on the first or second side face. The flat glass also has two mutually separated points, where at least one of the two mutually separated points lies on the linear predetermined breaking location. The two mutually separated points are each configured as a point of attack for a force for breaking the flat glass. The two mutually separated points have breaking forces required to break the flat glass that differ from one another in magnitude and/or direction.

Abstract: A light guide is provided that includes a fiber bundle, a jacket, a proximal end, a distal end, and a terminated end face. The fiber bundle has a plurality of optical fibers. The jacket encloses at least a part of the plurality of optical fibers and/or the fiber bundle. The jacket has a maximum outer lateral dimension that is greater than a maximum outer lateral dimension of the fiber bundle by at most 500 ?m. The terminated end face is on the proximal end and/or the distal end. The terminated end face has a maximum lateral outer dimension that is not larger than the maximum outer lateral dimension of the jacket.

Abstract: The present disclosure relates to a device, in particular an augmented reality device. In particular, the disclosure relates to a device, a kit, a process for making the device, and a process for making a visual impression. The present disclosure relates to a device including: a. a grouping of x optical elements, each optical element having a front face and a back face, the x optical elements being arranged in a stack from first to last in which the front face of an optical element faces the back face of the next optical element, and b. a spacer region made of a material having a refractive index below 1.

Abstract: A glass syringe barrel is provided that has an at least partially conically shaped upper portion and a longitudinal axis. The glass syringe barrel has a top end through which a liquid can be ejected and a bottom end into which a plunger stopper can be pushed. The glass syringe barrel includes, in a direction from the top end to the bottom end, a cone, a shoulder region, and a body region. The shoulder region has and outer contour that has a concave and substantially circular arc-shaped area ci with an outer radius r1. The outer contour of the glass syringe barrel in the shoulder region is defined by a certain value for r1.

Abstract: A glass syringe barrel is provided that has an at least partially conically shaped upper portion and a longitudinal axis. The glass syringe barrel has a top end through which a liquid can be ejected and a bottom end into which a plunger stopper can be pushed. The glass syringe barrel includes, in a direction from the top end to the bottom end, a cone, a shoulder region, and a body region. The shoulder region has and outer contour that has a concave and substantially circular arc-shaped area c1 with an outer radius r1. The outer contour of the glass syringe barrel in the shoulder region is defined by a certain minimum value the radius of curvature.

Abstract: A hermetically sealed LED light is provided that includes a ceramic base with a plurality of LEDs and a metal cap soldered thereto and a channel for introducing an electrical, optical, or mechanical component.

Abstract: A method is provided for determining the thermal expansion of a low thermal expansion material with very high accuracy of at most +/?3 ppb/K or less and/or with a reproducibility of at most +/?1 ppb/K or less. A measuring device is also provided that includes an advanced push rod dilatometer.

Abstract: A light source with a linear appearance is provided. The light source has a flexible light guide that has a homogeneous light emission with high luminance and a emitting light guide. The light emitting guide has a core, in which at least one soul extends, and a transparent cladding that surrounds the core. The core and the cladding are formed from transparent plastic. The core has a higher index of refraction than the cladding. The soul is light-deflecting, light-reflecting, or light-scattering so as to scatter light guided in the light guide and to emit the light through the cladding toward the outside. The soul has a scattering length that is at most twice as large as a maximum cross-sectional dimension of the soul.

Abstract: An illumination system is provided that includes a laser light source, a light guide, a connector, and an emission element. The laser light source has a numerical aperture. The light guide has a proximal end and a distal end. The connector has a connector housing and connects and/or assigns the laser light source at the proximal end. The emission element is at the distal end. The connector housing has a device that reduce an influence of a range of variation of the numerical aperture so that an emission behaviour of the emission element is independent of a range of variation of the numerical aperture.

Abstract: A flexible light guide that has a homogeneous light emission with high luminance is provided. The flexible light guide is provided by a side-emitting light guide. The side-emitting light guide includes a light-guiding fiber designed as a side-emitting fiber so that light guided in the fiber is scattered out along a longitudinal direction in a distributed manner. The guide also includes a tube that surrounds the fiber. The tube is designed to be light-scattering and translucent so that light emitted from the fiber can traverse the tube with scattering. The tube is surrounded by a cladding. The tube and cladding are made of plastic.

Abstract: The present disclosure relates to a decorative panel made of flat glass for electronic household appliances, in particular, for large stationary household appliances. The decorative panel comprises a base body made of thermally tempered flat glass with an operational front and an operational back and has at least one digital print on the operational back.

Abstract: Light conversion devices and lighting devices having such conversion devices are provided. The conversion device includes a light conversion element having a front side and a coating arrangement. The front side is configured to be illuminated with primary light and to emit secondary light having another wavelength or a wavelength range. The coating arrangement is on the front side and has at least one coating layer.

Abstract: Disclosed are films and a packaging for gas or vapor decontaminable packaging applications and a method for creating a sterile packaging using the same. These films are particularly useful for sterile storage and transport of objects for medical, pharmaceutical or cosmetic uses, in particular of sterile pharmaceutical primary packaging means, like vials, ampules, syringes, or cartridges. Said film comprises at least a layer of a selectively permeable non-woven, a layer of a punctured film, and an adhesive which can be activated by energy transmission. Optionally it comprises further film layers. The method for creating a sterile packaging comprises the step of hermetically closing the packaging by activating the adhesive thereby making the non-woven impermeable.

Abstract: A tool head capable of introducing deep recesses into hard and brittle material such as glass and glass ceramics is provided. The tool head includes a hollow cylindrical abrasive body merging into a hollow shank. The hollow cylindrical abrasive body has an end face with a central abrasive area at the location of a cylinder axis. The central abrasive area is connected with the inner wall surface of the hollow cylindrical abrasive body by at least one web. The end face of the abrasive body, the web, and at least a portion of the outer wall surface of the abrasive body are covered with abrasive. The hollow shank has at least one opening to the interior between the at least one web and the inner wall surface of the abrasive body.

Abstract: A plate-shaped or disc-shaped, chemically prestressed or chemically prestressable glass article is provided. The article includes a glass with a composition of SiO2, Al2O3, and Li2O; and a set-drop strength of at least 50 and up to 150, given as drop height in cm, wherein the drop height is given as the mean value of 15 samples, with the use of a sandpaper grit of 60. The glass has one or more features including: a CIL of greater than 1 N, 1.2 N, 2N, or 3 N, a DoL of at least 90 ?m, 100 ?m, 115 ?m, or 130 ?m, a content of network formers of at least 82 wt. %, and a content of alkali oxides of at most 14 wt. % or 12 wt. %.

Abstract: A light conversion device is provided that includes a main body and a light conversion arrangement. The main body includes heatsink and is on a back side of the light conversion arrangement. The light conversion arrangement has a front side with light conversion elements separated from one another at least regionally by a trench. The light conversion elements, when irradiated with primary light on the front side, are configured to emit secondary light having a different wavelength from the front side.

Abstract: A base body for a light conversion device and/or an illumination device is configured as a heat sink. The base body has a front side which is configured to mount a light conversion element on the base body. The base body includes an indicator for positioning/alignment of a light conversion element on the base body, and/or an indicator for positioning/alignment of the base body relative to a component for retention of the base body.

Abstract: A hot-formed, chemically prestressable glass article having a low percentage of crystals or crystallites, in particular a plate-shaped, chemically prestressable glass article, as well as to a method and a device for its production are provided. The glass article has a composition including the components SiO2, Al2O3, and Li2O and a content of seed formers (ZrO2, SnO2, and TiO2) of at least 0.8 wt %, as well as at most ten crystals, including crystallites, per kilogram of glass, which have a maximum diameter greater than 1 ?m and up to at most 5 ?m.

Abstract: A chemically prestressed or chemically prestressable, plate-shaped or disc-shaped glass article is provided. The glass article includes a glass with a composition of Al2O3, SiO2, Na2O, and Li2O and a prestressing or a prestressability in relation to the weight percent of Na2O of at least 250 MPa/g Na2O in 100 g of glass. The Na2O is present in a weight percent between at least 0.8 and at most 6.

Abstract: Plate-shaped, chemically prestressed glass articles as well as methods for producing such chemically prestressed glass articles are provided. The glass article has a glass with a composition comprising SiO2, Al2O3, and Li2O and a set-drop strength from 50 to 150. The glass has at least one feature selected from: a sodium exchange depth, a storable tensile stress, a network former content of at least 82 wt %, a content of alkali oxides of at most 12 wt %, a content of alkali oxides of at most 10 wt %, and any combinations thereof.