B05D3/142

PLASMA TREATMENT METHOD

A plasma treatment method is provided. The method includes generating a planar plasma in a plasma treatment chamber, observing an effective influence region of the planar plasma by using an optical observation system in which an observation lens has a transparent substrate and a fluorescent coating thereon, adjusting a location of the observation lens to observe a brightness change of the fluorescent coating and the transparent substrate to obtain a location and a thickness range of the effective influence region of the planar plasma, and then adjusting a location of the observation lens to observe a brightness change of the fluorescent coating and the transparent substrate to obtain a location and a thickness range of the effective influence region of the planar plasma. A location of a sample is adjusted to within the effective influence region, and a plasma treatment is then performed on the sample.

SURFACE TREATMENT FOR AQUEOUS SLURRY-BASED ENVIRONMENTAL BARRIER COATING
20200055083 · 2020-02-20 ·

A method for coating a ceramic matrix composite substrate with an environmental barrier coating includes the steps of: treating a surface of a ceramic matrix composite substrate to adjust wettability of the surface; and applying an aqueous slurry-based environmental barrier coating to the surface. The treating step can be a plasma treatment to remove organic contaminants, and can also be a treatment to modify oxidative state of the surface. The treatment can produce a surface for treatment that is hydrophilic and has a contact angle with aqueous-slurry coating materials of less than 40 degrees.

Solvent-based low temperature heat seal coating
10563086 · 2020-02-18 · ·

A low temperature heat seal coating solution which contains an amorphous or semi-crystalline polyester or co-polyester resin, tackifier, anti-blocking agent, and solvent. The coating solution can be applied to a packaging web such as a foil or film by converters using conventional methods such as gravure, rod, slot die, or printing process. The heal seal coating can be sealed to itself or another substrate to manufacture food packaging bags or pharmaceutical blister packaging. The heat seal temperature can be as low as 70 C. under conventional equipment and conditions in the industry.

Method for manufacturing a hoisting rope, hoisting rope and elevator using the same
10557233 · 2020-02-11 · ·

The invention relates to a method for manufacturing a hoisting rope, comprising the steps of providing a plurality of elongated composite members, which composite members are made of composite material comprising reinforcing fibers in polymer matrix; and arranging the composite members to form an elongated row of parallel composite members, which row has a longitudingal direction, a thickness direction and a width direction, and in which row the composite members are positioned side by side such that they are parallel to each other, and spaced apart from each other in width direction of the row; and directing plasma treatment on the outer surface of the composite members; and embedding the composite members in fluid polymer material; and solidifying the polymer material wherein the composite members are embedded. The invention relates also to a hoisting rope obtained with the method and an elevator comprising the hoisting rope.

ANTI-THROMBOGENIC MEDICAL DEVICES AND METHODS

Methods for forming an expandable tubular body having a plurality of braided filaments including a first filament including platinum or platinum alloy and a second filament including cobalt-chromium alloy. The methods include applying a first phosphorylcholine material directly on the platinum or platinum alloy of the first filament and applying a silane material on the second filament followed by a second phosphorylcholine material on the silane material on the second filament. The first and second phosphorylcholine materials each define a thickness of less than 100 nanometers.

Wire grid polarizer with protected wires

A wire grid polarizer and method of making a wire grid polarizer can protect delicate wires of the wire grid polarizer from damage. The wire grid polarizer can include a protective-layer located on an array of wires. The array of wires can further be protected by a chemical coating on an inside surface of the air-filled channels, closed ends of the air-filled channels, damaged wires of the array of wires in a line parallel to an edge of the wire grid polarizer, or combinations thereof. The method can include (i) providing the wire grid polarizer, (ii) applying the protective-layer, by physical vapor deposition or chemical vapor deposition but excluding atomic layer deposition, onto the array of wires, (iii) cutting the wire grid polarizer wafer into multiple wire grid polarizer parts, then (iv) protecting the array of wires.

Method for preparing a superhydrophobic self-cleaning surface

A superhydrophobic and self-cleaning surface including a substrate and a superhydrophobic layer. The superhydrophobic layer having a reacted form of octadecyltrichlorosilane. The octadecyltrichlorosilane is disposed on and crosslinked to a surface of the substrate via surface hydroxyl groups. The surface exhibits a rms roughness of 40 nm to 60 nm, a water contact angle of 155 to 180, and a contact angle hysteresis of less than 15. A method of preparing the substrate with a superhydrophobic and self-cleaning surface including treating a substrate with a plasma treatment, contacting the substrate with water or an alcohol to form an hydroxylated substrate, contacting the hydroxylated substrate with a solution of octadecyltrichlorosilane in an alkane solvent at a concentration in the range of 0.05 M to 0.3 M, and drying the solution on to the substrate under ambient air to form the superhydrophobic and self-cleaning surface on the substrate.

Dexamethasone Coating for Use with Electrode Carrier
20190381219 · 2019-12-19 ·

A method of forming a silicone coating on an electrode carrier for use in cochlear implant systems includes dissolving silicone and dexamethasone in a solvent to form a solution, adding a non-solvent to the solvent, the non-solvent miscible with the silicone and the dexamethasone having a solubility in the non-solvent of below about 5 mg/ml, and curing the solution to form the silicone coating on the electrode carrier.

Anti-thrombogenic medical devices and methods

Methods for forming an expandable tubular body having a plurality of braided filaments including a first filament including platinum or platinum alloy and a second filament including cobalt-chromium alloy. The methods include applying a first phosphorylcholine material directly on the platinum or platinum alloy of the first filament and applying a silane material on the second filament followed by a second phosphorylcholine material on the silane material on the second filament. The first and second phosphorylcholine materials each define a thickness of less than 100 nanometers.

Surface treatment system and method for subcutaneous device
11890642 · 2024-02-06 · ·

Methods of modifying a medical device and manufacturing a medical device are disclosed. One embodiment of a method of modifying a medical device includes treating a portion of the medical device with cold plasma and functionalizing the plasma-treated portion with a polymer. One embodiment of a method of manufacturing a medical device includes providing a subcutaneous part configured to be positioned subcutaneously in a user and performing a surface treatment on a portion of the subcutaneous part.