Abstract: A UV lamp module for the ultraviolet irradiation of a substrate includes a lamp arrangement, a waterproof housing, and first and second airflow zones. The lamp arrangement includes multiple low-pressure mercury lamps each having a longitudinal axis. The waterproof housing surrounds the lamp arrangement and has a bottom side, a top side and at least two side walls connecting the bottom side and the top side to each other, and a beam exit opening on the bottom side which is closed by a beam exit window. The first airflow zone is formed in the housing and has an air supply duct with at least one air-guide for the supply of cooling air to the lamp arrangement. The second airflow zone is separated from the first airflow zone, and is formed in the housing and has an exhaust air duct for the discharge of heated cooling air.

Abstract: A device for heating a target with IR radiation, a process for heat treating a target, a process for making a composite, a use of an IR source, a use of an array of IR sources and a use of the device. Also disclosed is a device for treating a target, comprising an IR source that emits IR radiation from an emitter surface having a first surface area; and a set of elongate bodies consisting of one or more elongate bodies, each elongate body having an inlet, collectively called the inlets, and each elongate body having an outlet, collectively called the outlets; wherein the emitted IR radiation is coupled into the set of elongate bodies via the inlets and decoupled from the elongate body via the outlets over an outlet surface having a second surface area; and wherein the first surface area is greater than the second surface area.

Abstract: UV lamp modules for the ultraviolet irradiation of a substrate. The modules include multiple low-pressure mercury lamps, each having a longitudinal axis, located in a waterproof housing having a bottom, a top and a beam exit opening in the bottom which is closed by a beam exit window. To maintain hygiene, homogeneity and compactness, a first airflow zone for the supply of cooling air and a second, separate airflow zone for the discharge of heated cooling air are formed iii the housing. Viewed in a cross-section through the housing perpendicular to the longitudinal axes of the lamps and in a viewing direction from the bottom to the top, the beam exit window, the lamps and the airflow zones are arranged one after the other. The first airflow zone comprises an air supply duct which is equipped with at least one air-guiding mechanism for supplying cooling air to the lamps.

Abstract: A system for measuring light in a tube is provided. The system includes a tube, a light collecting probe configured to absorb light within the tube, a data acquisition system for determining a level of light associated with light absorbed by the light collecting probe, and a motion system for moving the light collecting probe within the tube.

Abstract: Printing machines are fitted with a printer assembly for application of solvent-containing printing ink onto a printing substrate. A transport device transports the printing substrate from the printer assembly to a dryer unit that has at least one infrared radiator for drying the printing substrate. The dryer unit is improved in terms of homogeneity and rapidity of the drying of solvent-containing printing ink, and in that no active cooling of the infrared radiator is required. The infrared radiator is a planar heating element made of a dielectric, emits infrared radiation when heated, and comprises a heating surface that faces the printing substrate to be dried. The infrared radiator has a contacting surface, onto which a printed conductor of a heating conductor made of an electrically conductive precious metal-containing resistor material is applied, that is connected to an adjustable current source by an electrical contact.

Abstract: A method for coating and curing a material on a product having a plurality of edges and faces. More specifically, disclosed is an efficient method for coating and curing engineered wood products (EWP) in general, and the edges of EWP in particular.

Abstract: An infrared emitter is provided. The infrared emitter includes a substrate made of an electrically insulating material. The substrate includes a surface that contacts a printed conductor made of a resistor material that is electrically conducting and generates heat when current flows through it. The electrically insulating material includes an amorphous matrix component into which an additional component is embedded that absorbs in the spectral range of infrared radiation. At least a part of the surface is configured with a cover layer made of porous glass, whereby the printed conductor is embedded, at least in part, in the cover layer.

Abstract: The present invention has to do with an efficient system for coating and caring engineered wood products (EWP) in general, and the edges of EWPs in particular. An efficient system for coating and curing coatings is provided.

Abstract: An infrared emitter that comprises a cladding tube made of quartz glass that surrounds a heating filament as an infrared radiation-emitting element that is connected via current feedthroughs to an electrical connector outside the cladding tube. To improve the service life and power density, the heating filament comprises a carrier plate with a surface made of an electrically insulating material, whereby the surface is covered by a printed conductor made of a material that generates heat when current flows through it.

Abstract: A radiator module is provided including: a first infrared radiator including a first radiator tube arranged in a radiator plane; and a second infrared radiator including a second radiator tube arranged in the radiator plane. A cladding tube is arranged between the first radiator tube and the second radiator tube. Each of the first radiator tube, the second radiator tube, and the cladding tube is provided with a reflective coating.

Abstract: A lamp system, and a method of operating the lamp system, are provided. The lamp system includes a gas discharge lamp, an electronic ballast and a control unit. A performance influencing control variable of the lamp system is used. The method allows operation with a high emission performance independent of the design thereof and of any potential changes caused by lamp aging and without any knowledge of the optimal operating temperature. According to the invention a light intensity control is provided, in which an actual value of a light intensity emitted by the gas discharge lamp is measured using a light sensor and the emitted light intensity is used as an actuating variable.

Abstract: A method for producing a reflector on a reflector base made of glass is provided. According to the method, a metal-containing coating fluid is deposited on a coating surface and subjected to a burning-in treatment at a temperature below a softening temperature of the glass forming the reflector layer. Deposition of the coating fluid proceeds using a contactless method by inkjet technology. This makes it possible to deposit a reflector layer in a reproducible way and with tight tolerances having a specified layer thickness, as well as to create clean edges without a printing block or similar device. The coating fluid is moved by a print head equipped with a plurality of nozzles and is movable in a movement plane relative to the coating surface. The coating fluid is sprayed onto the coating surface by the print head under pressure and in the form of droplets emerging from the nozzles.

Abstract: A method is provided for production of a module, including the steps of: providing a substrate (1) having a first surface (5) in the form of a translucent carrier; providing an open casting mold (6), wherein the formation of at least one optical element (4, 4?) is provided in the casting mold (6); covering the surface (5) with a polymeric casting compound (3) in the open casting mold, while forming the optical element from the casting compound (3); and curing the casting compound in the casting mold, wherein the translucent carrier and the casting compound (3) together form an optical system (10).

Abstract: A device for applying radiation to a target is provided. The device includes a radiation emitter to emit electromagnetic radiation having a peak emission wavelength in the range from 10 nm-1 mm, and a first reflector that extends in a length direction with a concave cross section. The first reflector defines a cavity area having a perimeter, and includes an inward facing reflective border for at least 50% of the perimeter of the cavity area. Radiation is provided to the cavity area with an intensity distribution I and a maximum intensity Imax. The cavity area includes a focal area defined by all points at which a normalized intensity I/Imax is greater than 0.2. A width of the focal area is 0.0001-0.5 times a width of the cavity area.

Abstract: An optical module is provided, including a substrate (1) of a defined shape, the substrate having two surfaces (1a, 1b) opposite from each other and an edge (1c). A layer (2) covers at least one of the surfaces (1a, 1b) of the substrate (1). The layer (2) includes a transparent polymeric material and has at least one optical element (3) which scatters rays of light originating from the substrate and passing through the optical element (3). A design feature for at least one of mounting and aligning (4, 5) the optical module is provided in a mounting region of the layer and is the same material and the same part as the layer (2).

Abstract: A device for drying and sintering metal-containing ink on a substrate enables homogeneous irradiation of the substrate, has compact construction, and is simple and economical to produce. Optical infrared radiators have a cylindrical radiator tube and a longitudinal axis, and emit radiation having an IR-B radiation component of at least 30% and an IR-C radiation component of at least 5% of total radiator output power. The radiators are arranged in a module with their longitudinal axes running parallel to each other and transverse to the transport direction. They thereby irradiate on the surface of the substrate an irradiation field, which is divided into a drying zone and a sintering zone arranged downstream of the drying zone in the transport direction. The drying zone is exposed to at least 15% less average irradiation density than the sintering zone along a center axis running in the transport direction.

Abstract: An apparatus for thermal treatment of a substrate is provided. The apparatus has a heating device and a carrier provided with a support surface for the substrate. The apparatus permits a high substrate throughput. At least part of the carrier contains a composite material containing an amorphous matrix component and an additional component containing a semiconductor material, and a conductor path that is part of the heating device and made of an electrically conducting resistance material that generates heat when current passes through it is applied to a surface of the composite material.

Abstract: Known devices for heat treatment comprise a process space surrounded by a furnace lining made of quartz glass, a heating facility, and a reflector. In order to provide, on this basis, a device for heat treatment having a furnace lining that can be manufactured easily and in variable shapes and enables rapid heating and cooling of the material to be heated and short process times and is characterized by its long service life, the invention proposes that the furnace lining comprises multiple wall elements having a side facing the process space and a side facing away from the process space, and that at least one of the wall elements comprises multiple quartz glass tubes that are connected to each other by means of an SiO2-containing connecting mass.

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.