Abstract: A method for depositing a multilayer coating onto a substrate includes supporting the substrate on a platen comprising an electrically conductive material disposed in a deposition chamber, connected to an electrical power supply and electrically insulated from an electrode. The pressure in the deposition chamber is less than 10 Torr when a first feedstock is fed to the substrate. The electrical power supply is activated to create a plasma surrounding the substrate which ionises and/or activates particles within the first feedstock, allowing the ionised and/or activated particles from the first feedstock to deposit on the substrate and polymerise, thereby forming a first a coating on the substrate. Particles of a second feedstock, different from the first feedstock, are fed to the substrate and are ionized and/or activated by the plasma and allowed to deposit on the substrate and polymerise to form a second coating on the substrate.

Abstract: The disclosure provides an apparatus for depositing poly(p-xylylene) onto a component (4). The apparatus comprises (i) a platen, (ii) an electrode, and (iii) a first feed means. The platen comprises an electrically conductive material, is electrically connected to an electrical power supply and is configured to support a component. The electrode is electrically insulated from the platen. The first feed means is configured to feed a poly(p-xylylene) monomer to the platen. Furthermore, the component either comprises an electrically conductive material or consists of an electrically insulating material. If the component consists of an electrically insulating material the electrical power supply is an alternating current power supply and generated an alternating electrical field which couples to the component, and is thereby able to penetrate through the component to create the plasma.

Abstract: An article comprises a carbon fibre reinforced plastic (CFRP) substrate, a buffer layer disposed adjacent the substrate, the buffer layer comprising a poly(para-xylylene) polymer; and a moisture barrier coating disposed adjacent the buffer layer.

Abstract: An article comprises a carbon fibre reinforced plastic (CFRP) substrate, a buffer layer disposed adjacent the substrate, the buffer layer comprising a poly(para-xylylene) polymer; and a moisture barrier coating disposed adjacent the buffer layer.

Abstract: There is disclosed a method for producing a highly cross-linked polypropylene material by plasma polymerisation of a carbon containing gas, not specifically propylene, exhibiting low relative permittivity, high thermal stability and enhanced mechanical properties, said method and material being suitable for application not limited to interlayer dielectric deposition in microchip fabrication.

Abstract: This invention relates to a radiator 10 and to a method of making a radiator. In particular, this invention relates to a radiator 10 having thin-film 5 coatings that serve to increase the thermal emissivity of the entire structure. A radiator 10 is provided comprising a substrate 12, an amorphous carbon layer 16 and the metallic carbide forming layer 14 interposed between the substrate 12 and amorphous carbon layer 16. In addition, a method of making a radiator is provided comprising the steps of forming the metallic carbide-forming layer on a substrate and forming an amorphous carbon layer on the metallic carbide-forming layer.