Methods, apparatuses and systems for providing optical coatings for optical components are disclosed herein. An example optical component may comprise an optical coating, the optical coating having a visible light reflective layer disposed adjacent a surface of the optical component; at least a first non-visible light reflective layer disposed adjacent the visible light reflective layer; and at least a second non-visible light reflective layer disposed adjacent the first non-visible light reflective layer.

A structure body includes a free-standing structure including a fibrous member and/or a shell. The fibrous member and/or a shell are each a layered body formed of at least one light-absorbing layer and at least one dielectric layer. The light-absorbing layer includes a light-absorbing material that has an absorption in a visible light region, and the dielectric layer includes a dielectric material. The fibrous member and/or the shell have a three-dimensionally continuous configuration.

A surface coated member having improved stability and a longer service life is provided. The surface coated member includes a base member and a hard coating formed on a surface thereof. The hard coating is constituted of one or more layers. At least one layer among the layers is a layer including hard particles. The hard particles include a multilayer structure having a first unit layer and a second unit layer being layered alternately. The first unit layer includes a first compound. The second unit layer includes a second compound. The first compound and the second compound are respectively made of one or more kind of element selected from the group consisting of a group 4 element, a group 5 element, a group 6 element of a periodic table, and Al, and one or more kind of element selected from the group consisting of B, C, N, and O.

The preparation method for a nano composite coating having a shell-simulated multi-arch structure includes: constructing a discontinuous metal seed layer using a vacuum plating technology; and inducing the deposition of a continuous multi-arch structure layer utilizing the discontinuous metal seed layer, thereby realizing the controllable orientated growth of the nano composite coating having the shell-simulated multi-arch structure. The nano composite coating having the shell-simulated multi-arch structure is of a red abalone shell-simulated nacreous layer aragonite structure, meanwhile has high hardness and high temperature resistance, has excellent performances such as high breaking strength, low friction coefficient and corrosion and abrasion resistance in seawater under the condition of maintaining good breaking tenacity, is simple and controllable in preparation process and low in cost, has unlimited workpiece shapes, is easily produced on large scale, and has huge potential in the fields of new energy, efficiency power, ocean engineering, nuclear energy, and micro-electronic/optoelectronic devices.

A multilayer mirror for reflecting Extreme Ultraviolet (EUV) radiation and a method for producing the same are disclosed. In an embodiment a multilayer mirror includes a layer sequence having a plurality of alternating first layers and second layers, the first layers including lanthanum or a lanthanum compound and the second layers including boron, wherein the second layers are doped with carbon, and wherein a molar fraction of carbon in the second layers is 10% or less.

A coated cutting tool and a process for the production thereof id provided. The coated cutting tool consists of a substrate body of WC-Co based cemented carbide and a coating, the coating including a first (Ti,Al)N multilayer, a first gamma-aluminium oxide layer, and a set of alternating second (Ti,Al)N multilayers and second gamma-aluminium oxide layers.

A coated cutting tool for metal machining has a base body of cemented carbide, cermet, ceramics, steel or high-speed steel, and a wear resistant coating deposited thereon. The coating includes a layer of Ti.sub.1-xAl.sub.xC.sub.yN.sub.z with 0.40≤x≤0.95, 0≤y≤0.10 and 0.85≤z≤1.15, and a portion of MeC.sub.aN.sub.b, 0≤a≤1, 0≤b≤1, a+b=1, present on the layer of Ti.sub.1-xAl.sub.xC.sub.yN.sub.z. The portion of MeC.sub.aN.sub.b covers from 5 to 28% of the layer of Ti.sub.1-xAl.sub.xC.sub.yN.sub.z. A process for the production of the coated cutting tool and the use of the coated cutting tool in machining of stainless steel is also provided.

A multilayer electrode on a substrate (10) comprising titanium (20) and titanium-rich titanium nitride (30) and titanium-poor titanium nitride (40), particularly suitable for the application to thermoplastic substrates, in particular for the purpose of the impedance measurement in aqueous biological media, and method for the production thereof.

A layer system includes barrier properties against oxygen and water vapor. There may be an alternating layer system of at least two aluminum oxide layers and at least two titanium oxide layers. The aluminum oxide layers and the titanium oxide layers are deposited alternately on top of one another. The aluminum oxide layers and the titanium oxide layers are deposited by ALD layer deposition with a layer thickness of 5 nm to 20 nm. A first Parylene layer is deposited with a layer thickness of 0.1 μm to 50 μm on a first side of the alternating layer system by CVD.

A coated tool may include a base member and a coating layer. The coating layer may include a plurality of first AlTi layers indicated by Al.sub.1-x1Ti.sub.x1 and a plurality of second AlTi layers indicated by Al.sub.1-x2Ti.sub.x2. The coating layer may have alternating first AlTi layers and second AlTi layers, i.e. one upon another in a direction away from the base member, and x1 may be larger than x2. The plurality of first AlTi layers may include a first region having two or more adjacent first AlTi layers, where a first AlTi layer of the two or more adjacent first AlTi layers is located farther away from the base member and is smaller in thickness than a first AlTi layer of the two or more adjacent first AlTi layers located closer to the base member.