Abstract: A glass article is provided that has two plane-parallel main sides, a thickness between the two plane-parallel main sides of less than 3.0 mm, an average near-surface level of damage (ONSL) on each of the two plane-parallel main sides, and an average location-thickness variation (ODS) normalized with respect to the thickness on the specified measuring area. The average near-surface level of damage is less than 2000 damages with an extension of less than 1.0 ?m. The specified measuring area is 2×2 mm2. The average location-thickness variation (ODS) normalized is less than 10 nm per Rm thickness of the glass article. The average location-thickness variation (ODS) is a difference between a highest thickness and a lowest thickness within the specified measuring area.

Abstract: A platelike glass element is provided that includes a first surface, a second surface opposite the first, and a hole that perforates the first surface. The hole extends in a longitudinal direction and a transverse direction, where the longitudinal direction is transverse to the first surface. The first surface has, at least partially around the hole, an elevation. The elevation has a feature selected from a group consisting of: a height of less than 5 ?m that at least partially around the hole, a height greater than 0.05 ?m, a height greater than 0.5 ?m, a height greater than 1 ?m, a height greater than 10 ?m, a height less than 20 ?m, a height less than 15 ?m, a height less than 12 ?m, and combinations thereof. The first surface has an average roughness value that is greater than 15 nm and less than 100 nm.

Abstract: A platelike glass element is provided that includes a first surface, a second surface opposite the first, and a hole that perforates the first surface. The first surface has, at least partially around the hole, has a feature selected from a group consisting of: a height deviation with respect to the first surface that is greater than 0.005 ?m, is greater than 0.05 ?m, less than 0.1 ?m, less than 0.3 ?m, a less than 0.5 ?m, and combinations thereof. The first surface has an average roughness value that is less than 15 nm. The edge between the first surface and the hole that is free of elevations.

Abstract: A panel-shaped glass element is provided that includes vitreous material having a thermal expansion coefficient of less than 10×10-6 K-1 as well as two opposing surfaces. The glass element furthermore has at least one recess which runs through the glass of the glass element and has a recess wall which runs around the recess and adjoins the two opposing surfaces. The recess wall has a structure with a multiplicity of mutually adjacent rounded dome-shaped depressions. A roughness of the recess wall is formed by these depressions as well as the ridges enclosing the depressions. The recess wall has a mean roughness value (Ra) which is less than 5 µm.

Abstract: A sintered body for use as a liquid reservoir in an electronic cigarette, medication administering devices, in thermally heated evaporators for fragrant substances is provided. The sintered body is made of open-pore sintered glass and has a porosity of greater than 50 vol %. The average pore size is in a range from 1 to 450 ?m. The glass of the sintered body has a transition temperature Tg of at least 450° C.

Abstract: A glass wafer is provided that includes a sheetlike glass substrate with an opening. The sheetlike glass substrate is configured for use in a sensor selected from a group consisting of a pressure sensor, a piezoresistive sensor, a capacitive pressure sensor, and a piezoresistive pressure sensor. The opening is defined in the glass substrate from a first surface to a second, opposite surface. The opening has a cross-sectional area that is delimited by a straight portion having a minimum length of at least 10 ?m and a side face with a surface characterized by a skewness (Ssk) of at most 5.0.

Abstract: A spacer wafer for producing spacers of electro-optical converter housings is provided. The spacer wafer is a transparent glass plate having a multiplicity of openings separated from one another and distributed in a grid so that singulated spacers are obtainable by severing sections of the glass plate along separating lines between the openings. The openings have side walls with microstructuring that has a roughness with an average roughness value Ra of less than 0.5 ?m with a measurement distance of 500 ?m.

Abstract: An additive for electrochemical energy storages is disclosed, wherein the additive contains at least one silicon- and alkaline earth metal-containing compound V1 which in contact with a fluorine-containing compound V2 in the energy storage forms at least one compound V3 selected from the group consisting of silicon- and fluorine-containing, lithium-free compounds V3a, alkaline earth metal- and fluorine-containing, lithium-free compounds V3b, silicon-, alkaline earth metal- and fluorine-containing, lithium-free compounds V3c and combinations thereof. Also disclosed is an electrochemical energy storage containing the additive.

Abstract: A method includes: providing a plate-like glass element having side faces and an ultrashort pulse laser having a laser beam; directing the laser beam onto one of the side faces; concentrating the laser beam by focusing optics to form an elongated focus in the glass element; producing a filament-shaped flaw in a volume of the glass element by a radiated-in energy of the laser beam, a longitudinal direction of which runs transverse to one of the side faces, and the ultrashort pulse laser radiates in a pulse or a pulse packet having at least two successive laser pulses to produce the filament-shaped flaw; widening the filament-shaped flaw to form a channel by exposing the glass element to an etching including an etching medium which removes glass at a rate of less than 8 ?m per hour; and introducing rounded, hemispherical depressions in a wall of the channel by the etching.

Abstract: A plate-like glass element includes a pair of opposite side faces and an opening having a transverse dimension of at least 200 ?m. The opening is delimited by an edge. The edge has a plurality of rounded, substantially hemispherical depressions that adjoin one another. The plurality of rounded, substantially hemispherical depressions having abutting concave roundings which form ridges.

Abstract: A plate-like glass element including a pair of opposite side faces and at least one channel introduced into the glass of the glass element. The at least one channel joins the side faces and opens into the side faces. The at least one channel has a rounded wall and a transverse dimension of less than 100 ?m. The at least one channel extends in a longitudinal direction that runs transverse to the side faces. The rounded wall of the at least one channel has a plurality of rounded, substantially hemispherical depressions.

Abstract: A sintered body for use as a liquid reservoir in an electronic cigarette, medication administering devices, in thermally heated evaporators for fragrant substances is provided. The sintered body is made of open-pore sintered glass and has a porosity of greater than 50 vol %. The average pore size is in a range from 1 to 450 ?m. The glass of the sintered body has a transition temperature Tg of at least 450° C.

Abstract: An ultrathin chemically toughened and subsequently etched glass article is provided. The article has a thickness of less than or equal to 0.4 mm and a breakage height (given in mm) of more than 200 multiplied by the thickness (t given in mm)). Further, the article has a breakage bending radius (given in mm) of less than 100000 multiplied by the thickness (t given in mm) and divided by a surface compressive stress (in MPa) measured at a first surface.

Abstract: A sintered body for use as a liquid reservoir in an electronic cigarette, medication administering devices, in thermally heated evaporators for fragrant substances is provided. The sintered body is made of open-pore sintered glass and has a porosity of greater than 50 vol %. The average pore size is in a range from 1 to 450 ?m. The glass of the sintered body has a transition temperature Tg of at least 450° C.

Abstract: An electrical storage system is provided that has a thickness of less than 2 mm, where the system includes at least one sheet-type discrete element, the sheet-type discrete element exhibiting high resistance to an attack of alkali metals or alkali metal ions, in particular lithium, wherein the sheet-type discrete element has a low content of TiO2, the TiO2 content preferably being less than 2 wt %, preferably less than 0.5 wt %, and preferably free of TiO2.

Abstract: An electrical storage system is provided that has a thickness of less than 2 mm and includes comprises at least one sheet-like discrete element. At least one surface of the at least one sheet-like discrete element is designed to be chemically reactive to a reduced degree, inert, and/or permeable to a reduced degree, and/or impermeable with respect to materials coming into contact with the surface. Also provided are a sheet-like discrete element and to the production and use thereof.

Abstract: The present invention relates to glasses having a composition made up of base glasses. The glasses have a good chemical toughenability in combination with an advantageous coefficient of thermal expansion. Owing to their composition and the production process, the homogeneity of the properties of the glasses at their surface is high compared to the bulk glass. Furthermore, the fragility of the glasses is low, so that they can be processed to produce very thin glass articles.

Abstract: The present invention relates to glasses having a composition made up of base glasses. The glasses have a good chemical toughenability in combination with an advantageous coefficient of thermal expansion. Owing to their composition and the production process, the homogeneity of the properties of the glasses at their surface is high compared to the bulk glass. Furthermore, the fragility of the glasses is low, so that they can be processed to produce very thin glass articles.

Abstract: An electrical storage system is provided that has a thickness of less than 2 mm, which includes at least one sheet-type discrete element. The sheet-type discrete element exhibits high resistance against an attack of transition metals or transition metal ions, in particular titanium, wherein the sheet-type discrete element contains titanium. The invention also relates to a sheet-type discrete element for use in an electrical storage system, which exhibits high resistance to the attack of transition metals or of transition metal ions, in particular titanium.

Abstract: A heating element is provided that configured for use in an electronic cigarette. The heating element includes at least one carrier material made of glass or glass ceramic and metallic heating conductor structures. The heating conductor structures are on the carrier material and the carrier material has a thermal conductivity of less than 2 W/K*m, a thermal capacity of less than 1000 J/K*kg, and a roughness Ra of less than 500 nm.