A cutting tool includes a substrate; and a coating film, wherein the coating film includes a multilayer structure layer having first unit layer(s) and second unit layer(s), the first unit layer(s) and the second unit layer(s) are alternately layered, under a condition X-ray diffraction intensities of different planes in the multilayer structure layer are respectively represented by I.sub.(200), I.sub.(111), and I.sub.(220), the following formula 0.6≤I.sub.(200)/{I.sub.(200)+I.sub.(111)+I.sub.(220)}, the first unit layer(s) has a NaCl-like structure in which an interplanar spacing d.sub.1c in a c-axis direction is larger than an interplanar spacing d.sub.1a in an a-axis direction, the second unit layer(s) has a NaCl-like structure in which an interplanar spacing d.sub.2c in the c-axis direction is smaller than an interplanar spacing d.sub.2a in the a-axis direction, and the following formulas are satisfied as well 1≤d.sub.1a/d.sub.2a≤1.02, 1.01≤d.sub.1c/d.sub.2c≤1.05, and d.sub.1a/d.sub.2a<d.sub.1c/d.sub.2c.

An ARC evaporator comprising: a cathode assembly comprising a cooling plate (11), a target (1) as cathode element, an electrode arranged for enabling that an arc between the electrode and the front surface (1A) of the target (1) can be established—a magnetic guidance system placed in front of the back surface (1 B) of the target (i) comprising means for generating one or more magnetic whereas: —the borders of the cathode assembly comprise a surrounding shield (15) made of ferromagnetic material, wherein the surrounding shield (15) has a total height (H) in the transversal direction, said total height (H) including a component (C) for causing a shielding effect of magnetic field lines extending in any longitudinal directions, establishing in this manner the borders of the cathode assembly as limit of the extension of the magnetic field lines in any longitudinal direction.

A macroparticle filter device for cathodic arc evaporation, to be placed between at least one arc evaporation source and at least one substrate exhibiting at least a surface to be coated with material evaporated from a cathode of the arc evaporation source in a vacuum coating chamber. The macroparticle filter device includes one or more filter components that can prevent macroparticles emitted by the cathode during cathodic arc evaporation to arrive the substrate surface to be coated. The at least one component is provided as one or more flexible sheets that block the lineal way of the macroparticles from the cathode to the substrate surface to be coated. Further a method for utilizing the macroparticle filter device is presented.

Nanostructured surfaces on selected substrates are described which are highly resistant to cell adhesion. Such surfaces on medical implants inhibit fibroblast adhesion particularly on nanorough titanium deposited on smooth silicone surfaces. The nanostructured deposited metal coatings can also be engineered so that several cell types, including endothelial, osteoblast, and fibroblast cells, show little if any tendency to attach to the coated surface in vivo.

A coated tool includes a substrate and a coating layer disposed on a surface of the substrate. The coating layer includes a first stack structure (3) and a second stack structure (4). The first stack structure has two or more kinds of layers with different compositions periodically stacked with an average layer thickness of 60-500 nm. The second stack structure has two or more kinds of layers with different compositions periodically stacked with an average layer thickness of 2 nm to less than 60 nm. The layers in each stack structure include at least one selected from the group consisting of metal elements Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Al, Si, Sr, Y, Sn and Bi; and compounds including at least one of these metal elements and at least one non-metal element selected from carbon, nitrogen, oxygen and boron.

An arc discharge generation device energizes an evaporation source with the power supply device so that the evaporation source functions as a negative electrode to have a striker chip contact the evaporation source and then separate the striker chip from the evaporation source to generate an arc discharge in the chamber. When extinguishing the arc discharge generated in the chamber, the arc discharge generation device has the striker chip contact the evaporation source and de-energizes the evaporation source with the power supply device in a situation in which the striker chip is in contact with the evaporation source.

A coating device includes a vacuum chamber, a crucible, at least one spray head for preparing the coating material, and an injector tube, wherein the injector tube is designed to conduct the prepared coating material to the crucible and is connected to the crucible, wherein the at least one spray head can be moved between an operating position, in which the spray head supplies the injector tube with the prepared coating material, and a removal position, and wherein at least one removal chamberis provided which is designed to be accessible from outside the vacuum chamber and which can be sealed off from the vacuum chamber and in which the at least one spray headin its removal position is separated from the vacuum chamber in a gas-tight manner.

This invention is directed to a corrosion-resistant permanent magnet, to a method for producing a corrosion-resistant permanent magnet, and to an intravascular blood pump comprising the magnet. The magnet is corrosion resistant due to a composite coating comprising a first layer structure and optionally a second layer structure on the first layer structure, each layer structure comprising an inorganic layer, a linker layer on the inorganic layer, and an organic layer formed from poly(2-chloro-p-xylylene) on the linker layer. The inorganic layers comprise aluminum and/or aluminum oxide.

Provided is a coated cutting tool in which a surface of a substrate is coated with a hard coating film. The hard coating film includes: a layer (A) disposed on the surface of the substrate, and having a face-centered cubic lattice structure, in which the total content ratio of W and Ti is at least 85 atomic %, and which contains W as the most abundant element and Ti as the next most abundant element among metal (including metalloid) elements; and a layer (B) disposed on the layer (A) and having a face-centered cubic lattice structure, which is composed of nitrides or carbonitrides containing Al, Cr, and Si, and in which, among metal (including metalloid) elements, the Al content ratio is at least 50 atomic %, the total content ratio of Al and Cr is at least 85 atomic %, and the Si content ratio is 4 to 15 atomic %.

A coated cutting tool includes a substrate and a coating layer formed on the substrate, wherein the coating layer comprises a compound layer containing a compound having a composition represented by (Al.sub.xCr.sub.yTi.sub.1−x−y)N (in the formula (1), x represents an atomic ratio of an Al element to a total of the Al element, a Cr element and a Ti element and satisfies 0.70≤x≤0.95, and y represents an atomic ratio of a Cr element to a total of an Al element, the Cr element and a Ti element and satisfies 0.04≤y≤0.21, and 1−x−y>0); a ratio (Cr/Ti) of the Cr element and the Ti element in the compound layer is 1.0 or more and 2.5 or less; and an average thickness of the compound layer is 2.0 μm or more and 10.0 μm or less.