Abstract: An apparatus and method for coating a substrate using one or more liquid raw materials, includes: at least one atomizer for atomizing the one or more liquid raw materials into droplets, charging means for electrically charging the droplets during or after the atomization and a deposition chamber in which the droplets are deposited on the substrate, the deposition chamber being provided with one or more electric fields for guiding the electrically charged droplets on the substrate. According to the invention there is a charging chamber arranged upstream of the deposition chamber and provided with charging means for electrically charging the droplets.

Abstract: A process and an apparatus for coating glass by means of a method using at least one or more liquid raw materials which react essentially on at least a portion of the glass substrate forming a coating on it. At least part of the liquid raw materials is atomized to droplets with one or more two-fluid atomizer and at least a fraction of the gas used in the one or more two-fluid atomizers is electrically charged such that at least a fraction of the droplets become electrically charged during or after the atomization. According to the invention the droplets are formed into a separately created electric field.

Abstract: A method for increasing the durability of glass by a coating, according to the present invention comprises the step of coating glass with a coating comprising at least one layer whose thickness is below 5 nanometers, wherein the coating comprises a compound of at least one element.

Abstract: A method and apparatus for controlling a vapor deposition based coating process, including monitoring ultrafine particles, and adjusting at least one process parameter based on the monitoring. During at least one stage of the coating deposition process, at least one of the coating precursors includes a gas, a vapor, or an aerosol.

Abstract: A coating process for coating a surface of a glass substrate in normal air pressure, in which coating process at least one liquid starting material is atomized into droplets and the formed droplets are guided towards the surface to be coated. The formed droplets are vaporized substantially close to the surface to be coated before the droplets contact the surface to be coated by bringing to the coating process the thermal energy needed for vaporizing the droplets with the glass substrate.

Abstract: An optical waveguide including a core, a buffer surrounding the core, and a cladding surrounding the buffer. The core, the buffer and the cladding include silica glass. A refractive index of the buffer is substantially equal to a refractive index of pure amorphous silica glass. The buffer may reduce bubble formation during manufacturing and may facilitate splicing of the waveguide. A numerical aperture of the waveguide may be fine-tuned by adjusting a radial dimension of the buffer in order to compensate variations in the refractive index of the core.

Abstract: The invention relates to a method and an apparatus for producing a hydrophobic surface on to a material. The invention involves directing at a surface to be structured a particle spray structuring the surface so as to structure the surface, and coating the structured surface with a hydrophobic material. According to the invention, particles larger than a determined size d2 are separated from the particle spray by at least one impaction nozzle, which particles are directed at the surface to be structured such that they collide with the surface to be structured, producing a structure thereon. Next, the structured surface is coated by a gas deposition method in which the structured surface is subjected to alternate surface reactions of starting materials.

Abstract: The energy saving glass comprises a substantially mutually parallel first surface and second surface, and the glass mass of the energy saving glass contains a solar radiation energy absorbing agent. The solar radiation energy absorbing agent is present in a layer of the glass mass which is close to the first surface, in which layer the concentration of the radiation energy absorbing agent substantially decreases when proceeding from the first surface deeper into the glass mass, such that the absorbing agent is present at the depth of at least 0.1 micrometres and not more than 100 micrometres as measured from the first surface of the glass. In the method, a layer of particulates is grown on the first surface of the glass, which particulates include at least one element or compound of the elements and diffuse and/or dissolve into the surface layer of the glass.

Abstract: The invention relates to an apparatus for producing nanotubes, the apparatus being adapted to produce doped and/or undoped single-walled or multi-walled nanotubes, the apparatus comprising at least a thermal reactor. In accordance with the invention, the reactor is at least of the hottest part thereof and at least partly manufactured from a material that is at least partly sublimed into the thermal reactor as a result of the thermal reactor being heated, and the sublimed material at least partly participates in the growth of the nanotubes.

Abstract: A method and apparatus for coating a substrate using one or more liquid starting materials. The substrate is coated by atomizing one or more liquid starting materials into droplets and vaporizing the droplets in a deposition chamber for before the starting materials react on the surface of the substrate. The droplets are guided towards the substrate with electrical forces before the droplets are vaporized.

Abstract: An apparatus and method for coating a substrate using one or more liquid raw materials, includes: at least one atomizer for atomizing the one or more liquid raw materials into droplets, charging means for electrically charging the droplets during or after the atomization and a deposition chamber in which the droplets are deposited on the substrate, the deposition chamber being provided with one or more electric fields for guiding the electrically charged droplets on the substrate. According to the invention there is a charging chamber arranged upstream of the deposition chamber and provided with charging means for electrically charging the droplets.

Abstract: An apparatus and method for electrically charging nanoparticles. The invention including atomizing one or more liquid starting materials into droplets, electrically charging the droplets during or after the atomization and vaporizing the one or more liquid materials of the droplets for generating the nanoparticles from the liquid droplets such that the electrical charge of the droplets is transferred into the nanoparticles for producing electrically charged nanoparticles.

Abstract: A coating process and apparatus; the apparatus including a unit for forming a mixture that includes at least one precursor of a surface reaction, a unit for atomizing the mixture into droplets, a unit for transporting the droplets of mixture towards a surface of a substrate to be coated with the surface reaction. The unit for forming a mixture are adjusted to mix to the mixture a liquid carrier substance, which is not a precursor of the surface reaction, and the boiling point of which in the defined process space is lower than the boiling point of the precursor of the surface reaction. The proposed arrangement improves both speed and quality of the coating process.

Abstract: The invention relates to a device and a method for producing nanoparticles, in which method starting materials for nanoparticles are mixed at least as liquid droplets and optionally also as gases and/or vapors with at least combustion gases in a premixing chamber and the mixture is separated for liquid drops larger than size d, whereafter the mixture is conducted to at least one burner, in which the combustion gases are ignited such that a heavily mixing flame is generated, in which the starting materials react and optional solvents evaporate and generate through nucleation and/or sintering and/or agglomeration particles having a diameter of 1 to 1000 micrometers.

Abstract: Method and apparatus for controlling a coating deposition process, where at least at one stage of the coating deposition process at least one of the coating precursors includes a gas, a vapour or an aerosol. The method includes monitoring ultrafine particles and adjusting at least one process parameter based on the monitoring. The apparatus includes means for monitoring ultrafine particles and means for adjusting at least one process parameter based on the monitoring.

Abstract: A coating process for coating a surface of a glass substrate in normal air pressure, in which coating process at least one liquid starting material is atomized into droplets and the formed droplets are guided towards the surface to be coated. The formed droplets are vaporized substantially close to the surface to be coated before the droplets contact the surface to be coated by bringing to the coating process the thermal energy needed for vaporizing the droplets with the glass substrate.

Abstract: A coated article is disclosed. The coated article comprises an antibacterial coating on a glass substrate, the substrate having a modified surface layer which essentially reduces the ion exchange between silver in the antibacterial coating and sodium in the glass substrate. Apparatus and method for forming such article are also disclosed.

Abstract: A process and an apparatus for coating glass substrate by using at least one or more liquid raw materials which react essentially on or in the vicinity of at least a portion of the glass substrate surface. The process comprises steps: a) heating the glass substrate to at least substantially the coating temperature; b) forming a coating on the glass substrate surface by converting the one or more liquid materials to a liquid-aerosol and depositing at least a fraction of the liquid-aerosol on the glass substrate surface; c) repeating step b) at least once; and d) heating the glass substrate surface before at least one of the steps b). The heating in step d) is carried out by convective heating.

Abstract: A process and an apparatus for coating glass by means of a method using at least one or more liquid raw materials which react essentially on at least a portion of the glass substrate forming a coating on it. At least part of the liquid raw materials is atomized to droplets with one or more two-fluid atomizer and at least a fraction of the gas used in the one or more two-fluid atomizers is electrically charged such that at least a fraction of the droplets become electrically charged during or after the atomization. According to the invention the droplets are formed into a separately created electric field.

Abstract: A method for increasing the durability of glass (1) by a coating, according to the present invention comprises the step of coating glass (1) with a coating comprising at least one layer (4, 5, 6) whose thickness is below 5 nanometres, wherein the coating comprises a compound of at least one element. A glass product comprising a coating, according to the present invention is fabricated by coating glass (1) with a coating comprising at least one layer (4, 5, 6) whose thickness is below 5 nanometres. A glass product comprising a coating, according to the present invention comprises surface scratches (2) with a width at the level of the glass (1) surface of below 50 nanometres, the coating residing essentially conformally on the inside of the surface scratches (2) to increase the durability of the glass (1).