Abstract: One aspect relates to a process for the preparation of a quartz glass body. The process includes providing a silicon dioxide granulate from a pyrogenically produced silicon dioxide powder, making a glass melt out of silicon dioxide granulate, and making a quartz glass body out of at least part of the glass melt. The size of the quartz glass body is reduced to obtain a quartz glass grain. The quartz glass body is processed to make a preform and an opaque quartz glass body is made from the preform. One aspect further relates to an opaque quartz glass body which is obtainable by this process. One aspect further relates to a reactor and an arrangement, which are each obtainable by further processing of the opaque quartz glass body.

Abstract: One aspect relates to a process for the preparation of a quartz glass body. The process includes providing a silicon dioxide granulate from a pyrogenically produced silicon dioxide powder, making a glass melt out of silicon dioxide granulate, and making a quartz glass body out of at least part of the glass melt. The size of the quartz glass body is reduced to obtain a quartz glass grain. The quartz glass body is processed to make a preform and an opaque quartz glass body is made from the preform. One aspect further relates to an opaque quartz glass body which is obtainable by this process. One aspect further relates to a reactor and an arrangement, which are each obtainable by further processing of the opaque quartz glass body.

Abstract: A UV lamp including a filter material of doped quartz glass is provided that effects a transparency as high as possible for operating radiation in the ultraviolet spectral range above 210 nm together with low transparency in the wavelength range below about 190 nm. The filter material of doped quartz glass includes at least 99 wt. % of SiO2 and Al2O3, wherein the Al2O3 portion is in the range of 2 wt. % to 4 wt. The filter material has an edge wavelength at a wavelength below 190 nm and a spectral transmission of 80% mm?1 or higher at a wavelength of 210 nm.

Abstract: A UV lamp including a filter material of doped quartz glass is provided that effects a transparency as high as possible for operating radiation in the ultraviolet spectral range above 210 nm together with low transparency in the wavelength range below about 190 nm. The filter material of doped quartz glass includes at least 99 wt. % of SiO2 and Al2O3, wherein the Al2O3 portion is in the range of 2 wt. % to 4 wt. The filter material has an edge wavelength at a wavelength below 190 nm and a spectral transmission of 80% mm?1 or higher at a wavelength of 210 nm.

Abstract: A method for coating a substrate with an AlOx layer, in particular an Al2O3 layer, comprising the following method steps: (a) providing an inductively coupled plasma source (ICP source) having a reaction chamber and at least one RF inductor, (b) introducing an aluminium compound, preferably trimethylaluminium (TMA) into the ICP source, (c) introducing oxygen and/or an oxygen compound as reactive gas into the ICP source and inductively coupling of energy into the ICP source for forming a plasma, and (d) depositing the AlOx layer on the substrate. The invention also relates to a coating assembly for depositing thin layers on a substrate, in particular for carrying out the above method. The coating assembly comprises an inductively coupled plasma source (ICP) having a reaction chamber and at least one RF inductor, a substrate holder for arranging the substrate in the reaction chamber and channels for introducing the aluminium compound and a reactive gas in the ICP source.

Abstract: A disposable cassette for blood analysis includes a housing having an upper panel and a sampling section having a filling inlet; at least one pair of chambers in a form of depression of the upper panel of the housing and sealed by a diaphragm; portions of the diaphragm over the chambers being flexible; and one or more channels adapted to interconnect the pair of chambers; one of the chambers containing a predetermined amount of a reagent for blood analysis; and a sample outlet disposed next to and connected to the chamber containing the reagent, the sample outlet including an outlet cavity recessed from the upper panel, a divider disposed therein, and a cover covering the outlet cavity; the sample outlet sealing the reagent to the chamber containing the reagent. Further disclosed is the method of using the disposable cassette for measurements of hematology parameters on a blood analyzer.

Abstract: A miniature flow-through cuvette for spectrophotometric measurement of a liquid sample includes a cuvette body of a transparent material including a first outer surface and an opposing second outer surface, and a flow channel disposed through the cuvette body. The flow channel includes first and second interface segments generally vertically oriented, each having an open exit; a measurement segment interconnecting the first and second interface segments; a first inclined planar inner surface disposed in a turning segment between the first interface segment and the measurement segment, facing the first outer surface; and a second inclined planar inner surface disposed in a turning segment between the second interface segment and the measurement segment, facing the second outer surface. The first and second inclined inner surfaces terminate the measurement segment at opposing ends thereof. Further provided is a spectrophotometer including the miniature flow-through cuvette.

Abstract: A disposable cassette for blood analysis includes a housing having an upper panel and a sampling section having a filling inlet; at least one pair of chambers in a form of depression of the upper panel of the housing and sealed by a diaphragm; portions of the diaphragm over the chambers being flexible; and one or more channels adapted to interconnect the pair of chambers; one of the chambers containing a predetermined amount of a reagent for blood analysis; and a sample outlet disposed next to and connected to the chamber containing the reagent, the sample outlet including an outlet cavity recessed from the upper panel, a divider disposed therein, and a cover covering the outlet cavity; the sample outlet sealing the reagent to the chamber containing the reagent. Further disclosed is the method of using the disposable cassette for measurements of hematology parameters on a blood analyzer.

Abstract: A disposable cassette for blood analysis includes a housing having an upper panel and a sampling section having a filling inlet; at least one pair of chambers in a form of depression of the upper panel of the housing and sealed by a diaphragm; portions of the diaphragm over the chambers being flexible; and one or more channels adapted to interconnect the pair of chambers; one of the chambers containing a predetermined amount of a reagent for blood analysis; and a sample outlet disposed next to and connected to the chamber containing the reagent, the sample outlet including an outlet cavity recessed from the upper panel, a divider disposed therein, and a cover covering the outlet cavity; the sample outlet sealing the reagent to the chamber containing the reagent. Further disclosed is the method of using the disposable cassette for measurements of hematology parameters on a blood analyzer.

Abstract: The invention provides a coating system for coating substrates in a cyclic mode. The process stations of the coating system are disposed in a circular fashion. A handling mechanism is provided for transferring the substrates between the process stations. The process stations comprise a lock for loading and unloading the substrates, at least two coating chambers, each of which comprises a plasma source for stationary coating of the substrate, and preferably a heating station.

Abstract: A miniature flow-through cuvette for spectrophotometric measurement of a liquid sample includes a cuvette body of a transparent material including a first outer surface and an opposing second outer surface, and a flow channel disposed through the cuvette body. The flow channel includes first and second interface segments generally vertically oriented, each having an open exit; a measurement segment interconnecting the first and second interface segments; a first inclined planar inner surface disposed in a turning segment between the first interface segment and the measurement segment, facing the first outer surface; and a second inclined planar inner surface disposed in a turning segment between the second interface segment and the measurement segment, facing the second outer surface. The first and second inclined inner surfaces terminate the measurement segment at opposing ends thereof. Further provided is a spectrophotometer including the miniature flow-through cuvette.

Abstract: A disposable cassette for blood analysis includes a housing having an upper panel and a sampling section having a filling inlet; at least one pair of chambers in a form of depression of the upper panel of the housing and sealed by a diaphragm; portions of the diaphragm over the chambers being flexible; and one or more channels adapted to interconnect the pair of chambers; one of the chambers containing a predetermined amount of a reagent for blood analysis; and a sample outlet disposed next to and connected to the chamber containing the reagent, the sample outlet including an outlet cavity recessed from the upper panel, a divider disposed therein, and a cover covering the outlet cavity; the sample outlet sealing the reagent to the chamber containing the reagent. Further disclosed is the method of using the disposable cassette for measurements of hematology parameters on a blood analyzer.