Abstract: The invention relates to A curable composition for producing dental composite crowns, the composition comprising a resin matrix comprising polymerizable (meth)acrylate(s) not comprising a urethane moiety, polymerizable urethane(meth)acrylate(s), wherein the polymerizable (meth)acrylate(s) not comprising an urethane moiety are used in excess over the polymerizable urethane(meth)acrylate(s), a filler matrix comprising nanocluster(s), fumed silica in an amount below 8 wt. % with respect to the weight of the whole composition, an initiator system comprising photoinitiator(s), organic dye(s), the curable composition not comprising softener in an amount of more than 5 wt. % with respect to the weight of the whole composition, the curable composition having a viscosity below 150 Pa*s at 23° C. and a shear rate of 1 s?1. The invention also relates to a cured article obtained by radiation curing this curable composition by use of an additive-manufacturing method.

Abstract: A system for cooling a metal-ceramic substrate (1) having a component side (5) and a cooling side (6) opposite the component side (5), comprising a metallic cooling structure (20) with an integrated fluid channel (30) for guiding fluid within the cooling structure (20), and a distribution structure (40) made of plastic for supplying the fluid channel (30) with the fluid, wherein the cooling structure (20) has on its outer side (A) facing the distribution structure (40) an inlet opening (31) and an outlet opening (32) separate from the inlet opening (31), wherein the inlet opening (31) and the outlet opening (32) are connected to each other via the fluid channel (30) and the fluid channel (30) is configured such that, when the cooling structure is installed, the fluid is guided from the inlet opening (31) in the direction of the component side (5) and is redirected within the cooling structure (20).

Abstract: A method for making a via (3) in a carrier layer (1) made of a ceramic comprising: providing the carrier layer (1), realizing a passage recess (2) in the carrier layer (1), at least partially filling the passage recess (2) with a paste (3), and performing a bonding process, in particular an active soldering process or a DCB process, for bonding a metallization (5) to the carrier layer (1), the via (3?) being realized from the paste (3) in the passage recess (2) when the bonding process is performed.

Abstract: The present invention proposes a carrier substrate (1) for electrical components (13), the carrier substrate (1) having a component side (4) and a cooling side (5) which is opposite the component side (4) and has a cooling structure (30), the carrier substrate (1) comprising a primary layer (10) which faces the component side (4) and is produced from ceramic for electrical insulation, and a secondary layer (20) which faces the cooling side (5) for stiffening the carrier substrate (1), characterized in that a metallic intermediate layer (15) is arranged between the primary layer (10) and the secondary layer (20) for heat transfer from the component side (4) to the cooling side (5), the metallic intermediate layer (15) being thicker than the primary layer (10) and/or the secondary layer (20).

Abstract: A system for cooling a metal-ceramic substrate (1) having a component side (5) and a cooling side (6) opposite the component side (5), comprising a metallic cooling structure (20) with an integrated fluid channel (30) for guiding fluid within the cooling structure (20), and a distribution structure (40) made of plastic for supplying the fluid channel (30) with the fluid, wherein the cooling structure (20) has on its outer side (A) facing the distribution structure (40) an inlet opening (31) and an outlet opening (32) separate from the inlet opening (31), wherein the inlet opening (31) and the outlet opening (32) are connected to each other via the fluid channel (30) and the fluid channel (30) is configured such that, when the cooling structure is installed, the fluid is guided from the inlet opening (31) in the direction of the component side (5) and is redirected within the cooling structure (20).

Abstract: The present invention proposes a carrier substrate (1) for electrical components (13), the carrier substrate (1) having a component side (4) and a cooling side (5) which is opposite the component side (4) and has a cooling structure (30), the carrier substrate (1) comprising a primary layer (10) which faces the component side (4) and is produced from ceramic for electrical insulation, and a secondary layer (20) which faces the cooling side (5) for stiffening the carrier substrate (1), characterized in that a metallic intermediate layer (15) is arranged between the primary layer (10) and the secondary layer (20) for heat transfer from the component side (4) to the cooling side (5), the metallic intermediate layer (15) being thicker than the primary layer (10) and/or the secondary layer (20).

Abstract: A device and process for quickly and reliably determining and recording the configuration of multiple spray nozzles on a spray head assembly used for lubricating a die cast mold reduces trial and error associated with maintenance and repair of the spray head assembly. The device includes an adaptor configured to attach to a spray nozzle and an inertial measurement unit fixed to the adaptor to determine the orientation of the spray nozzle relative to a reference. The method involves using the device to determine the orientation of each of a plurality of spray nozzles on a spray head assembly relative to the reference and recording the relative orientation of each nozzle.

Abstract: A method and device for measuring the position of sections with an absorbing substance in multi-segment filter rods of the tobacco processing industry by measuring a varying shift of the resonance frequency A and/or spread of the resonance line B during movement of the rod in the longitudinal direction, using a microwave resonator, which has a field concentration in a spatial area, wherein this spatial area is smaller in the rod direction than the segment length to be determined, forming a difference quotient ?A of the resonant frequency shift A and/or ?B of the resonance line spread B relative to the longitudinal direction, determining local extreme values of the respective difference quotients, and assigning local extreme values as a position of a transition from a section with higher content of absorbing substance to a section without, or with lower content, of absorbing substance, and vice versa.

Abstract: Method for measuring a moisture value F of dielectric materials using at least one microwave resonator, one shift A of the resonant frequency being respectively evaluated for at least two resonance modes with resonant frequencies which are different from one another and a density-independent moisture value being calculated from the measured shifts in the resonant frequency.

Abstract: A device for producing cigarettes in the tobacco processing industry that has a tobacco processing unit and a paper feeding unit, which feeds a paper having LIP strips to the tobacco processing unit, wherein the paper feeding unit has a measurement device, which continuously detects the LIP strips, wherein the measurement device has a microwave resonator, through whose measurement region the paper having the LIP strip is passing, and which detects a shift of the resonance curve and/or a broadening of the resonance frequency.

Abstract: An exemplary embodiment of this invention relates to a method of inspection of a filled hard capsule sealed with a solvent sealing agent, including a process for determining the quality of the seal. The process may include: supplying a filled hard capsule sealed with a solvent sealing agent; supplying a microwave resonator wherein a measuring field having a resonance curve is generated; directing the capsule through the measuring field; measuring characteristics related to the modification of the resonance curve produced by the presence of the capsule in the measuring field, in comparison with a reference resonance curve corresponding to an empty state of the resonator; and using the measured characteristics to determine a value associated with the quality of the seal. Other exemplary embodiments of this invention relates to a method for sorting capsules on the basis of the result of the inspection method and to an associated equipment able to carry out such methods.

Abstract: A method for quality surveillance of powdered press material for a rotary press, in which the press material is fed from a reservoir via a preferably vertical feed channel to a filling device, which continuously fills dies of a rotor with press material wherein to the feed channel and/or the filling device is assigned a microwave resonator with an analysis unit, which measures the moisture and/or the density and/or the size of the granules of the press material, and at least one press variable of the microwave resonator is used for changing a control variable of the rotary press.

Abstract: Method and apparatus for the measurement of mass or density and/or for the measurement of the humidity in a plurality of portioned units in a non-metallic carrier material, which provides the following: a microwave measuring instrument, consisting of at least one microwave resonator for generating at least one resonance mode in a spatially limited measurement area and an analyzing unit for analyzing at least one variable of the at least one resonance mode, a conveying device for the carrier material, which transports the carrier material with the portioned units through the measurement area, the microwave measuring instrument measures at least one variable of the at least one resonance mode at a time when only the carrier material without portioned unit is in the measurement area, and at a time when the portioned unit is at least partially in the measurement area, the analyzing unit subtracts the variable measured for the carrier material from the measurement values for the portioned unit, and determines a va

Abstract: An exemplary embodiment of this invention relates to a method of inspection of a filled hard capsule sealed with a solvent sealing agent, including a process for determining the quality of the seal. The process may include: supplying a filled hard capsule sealed with a solvent sealing agent; supplying a microwave resonator wherein a measuring field having a resonance curve is generated; directing the capsule through the measuring field; measuring characteristics related to the modification of the resonance curve produced by the presence of the capsule in the measuring field, in comparison with a reference resonance curve corresponding to an empty state of the resonator; and using the measured characteristics to determine a value associated with the quality of the seal. Other exemplary embodiments of this invention relates to a method for sorting capsules on the basis of the result of the inspection method and to an associated equipment able to carry out such methods.

Abstract: A device for producing cigarettes in the tobacco processing industry that has a tobacco processing unit and a paper feeding unit, which feeds a paper having LIP strips to the tobacco processing unit, wherein the paper feeding unit has a measurement device, which continuously detects the LIP strips, wherein the measurement device has a microwave resonator, through whose measurement region the paper having the LIP strip is passing, and which detects a shift of the resonance curve and/or a broadening of the resonance frequency.

Abstract: An apparatus for the measurement of mass and/or moisture of dielectric objects, with an analysing unit, at least one high frequency generator, at least one high frequency detector and with a high frequency resonator, wherein the at least one high frequency generator can generate at least two modes which are independent from each other, having different resonance frequencies in the resonator, the at least one high frequency detector can measure the occurring frequencies for each mode in the resonator, and the analysing unit can determine a shift of the resonance frequency (A) and a change of the resonance curve for the measured frequencies in each mode, and can calculate the mass and/or moisture of the dielectric object from the determined values for the shift of the resonance frequency (A) and the change of the resonance curve.

Abstract: Method for measuring a moisture value F of dielectric materials using at least one microwave resonator, one shift A of the resonant frequency being respectively evaluated for at least two resonance modes with resonant frequencies which are different from one another and a density-independent moisture value being calculated from the measured shifts in the resonant frequency.

Abstract: A filter rod measuring station is equipped with measuring devices which measure at least the mass (M) of a filter rod and the draw resistance (PD) of the filter rod, and a microwave measuring device is provided for measuring the mass of the softener and/or the moisture content and/or the dry mass of the filter rod.

Abstract: Apparatus and method for detection and segregation of faulty cigarettes in a production/packaging installation for cigarettes having an apparatus by means of which faulty cigarettes are segregated from the conveyed sequence of cigarettes, wherein the apparatus and method use a generator and evaluation circuits for radio-frequency electromagnetic fields and use a sensor past whose end surface the ends of the cigarettes are passed and which applies the radio-frequency electromagnetic fields to the end surface of the sensor, whose size corresponds approximately to the size of the end surface of the cigarettes, with the changes in the electromagnetic fields as a cigarette passes being evaluated.

Abstract: Method and apparatus for the measurement of mass or density and/or for the measurement of the humidity in a plurality of portioned units in a non-metallic carrier material, which provides the following: a microwave measuring instrument, consisting of at least one microwave resonator for generating at least one resonance mode in a spatially limited measurement area and an analysing unit for analysing at least one variable of the at least one resonance mode, a conveying device for the carrier material, which transports the carrier material with the portioned units through the measurement area, the microwave measuring instrument measures at least one variable of the at least one resonance mode at a time when only the carrier material without portioned unit is in the measurement area, and at a time when the portioned unit is at least partially in the measurement area, the analysing unit subtracts the variable measured for the carrier material from the measurement values for the portioned unit, and determines a va