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 hollow body includes a wall of glass which at least partially surrounds an interior volume of the hollow body. The wall of glass has a wall surface which has a surface region. At least in the surface region the wall surface has a content of N in a range from 0.3 to 10.0 at-%, and at least 5 at-% Si.

Abstract: A pressure pickup comprises: A diaphragm seal module having a diaphragm seal platform and a separating diaphragm, which is secured to the diaphragm seal platform to form a pressure chamber; a temperature sensor for registering a diaphragm seal temperature; a sensor module having a pressure measuring cell; a pressure line between the pressure chamber and the measuring cell, for loading the measuring cell with the pressure being measured; a housing, which is spaced from the diaphragm seal module and has a housing chamber in which an electronic circuit is arranged, which has inputs for signals of the pressure measuring cell and of the temperature sensor; and a canal, which extends between the housing chamber and the temperature sensor, wherein at least one electric line runs through the canal for coupling of the temperature sensor with the circuit, wherein the canal and the housing chamber form an enclosed volume, which is explosion-protected relative to the environment.

Abstract: A measurement pickup is provided offering a high measure of safety and having a measurement pickup housing, a sensor element arranged in the measurement pickup, at least one connection element closing the measurement pickup housing, and an excess-pressure protection device, especially a burst disk or a pressure relief valve, integrated in the connection element, which serves to effect a pressure equalization with an environment of the measurement pickup in the case of a pressure overload in the measurement pickup.

Abstract: A pressure pickup comprises: A diaphragm seal module 1 having a diaphragm seal platform 10 and a separating diaphragm 11, which is secured to the diaphragm seal platform to form a pressure chamber; a temperature sensor 40 for registering a diaphragm seal temperature; a sensor module 2 having a pressure measuring cell 21; a pressure line 12 between the pressure chamber and the measuring cell 21, for loading the measuring cell with the pressure being measured; a housing 3, which is spaced from the diaphragm seal module 1 and has a housing chamber 30, in which an electronic circuit 31 is arranged, which has inputs for signals of the pressure measuring cell 21 and of the temperature sensor 40; wherein the pressure pickup further comprises a canal 5, which extends between the housing chamber and the temperature sensor, wherein at least one electric line 42 runs through the canal for coupling of the temperature sensor with the circuit 31, wherein the canal 5 and the housing chamber 30 form an enclosed volume, which

Abstract: A measurement pickup is provided offering a high measure of safety and having a measurement pickup housing (1, 57), a sensor element (9, 61, 99) arranged in the measurement pickup, at least one connection element (5, 77, 101) closing the measurement pickup housing (1, 57), and an excess-pressure protection device (33, 103), especially a burst disk (37, 85) or a pressure relief valve, integrated in the connection element (5, 77) and serving to effect a pressure equalization with an environment of the measurement pickup in the case of a pressure overload in the measurement pickup.