This disclosure relates to a vanity mirror for a vehicle, such as a motor vehicle. An example vanity mirror includes a layer of shatter resistant material, a layer of metallic plating attached directly to the layer of shatter resistant material, a layer of adhesive material, and a glass layer attached to the layer of metallic plating via the layer of adhesive material. The disclosed vanity mirror is relatively easy to manufacture and performs well even under extreme temperature conditions (i.e., as low as −40 and as high as 120° C.) without exhibiting deformations such as bumps, cracks, or other distortions.

A wafer has a layer containing silicon, a layer of polycrystalline diamond deposited on the silicon-containing layer, and a bow-compensation layer on the other side of the silicon-containing layer for reducing wafer-bow. A method of making a bonded structure includes an activation process for creating dangling bonds on the surface of one substrate, followed by contact-bonding the surface to a second substrate at low temperature. A bonded structure may include two substrates contact bonded to each other, one substrate including a layer containing silicon, a layer of polycrystalline diamond, a bow-compensation layer for reducing wafer-bow of the first substrate, and the other substrate including gallium nitride, silicon carbide, lithium niobate, lithium tantalate, gallium arsenide, indium phosphide, or another suitable material other than diamond.

Provided is a method of designing a composite material laminated structure, the method including: a machine learning step of performing machine learning on a plurality of pieces of data each of which includes a pair of a physical property value of the composite material laminated structure and a laminate configuration of the composite material laminated structure, to obtain a relational expression depicting a relationship between the physical property value and the laminate configuration, the composite material laminated structure including a plurality of layers that are laminated; and a laminate configuration information calculation step of calculating, based on the relational expression and an objective value of the physical property value, laminate configuration information which is information of the laminate configuration that enables the objective value to be obtained.

Proposed is a water-repellent film for an automobile side-view mirror and a press-forming apparatus of the same, and more specifically, a water-repellent film for an automobile side-view mirror and a forming apparatus of the water-repellent film which has good water repellency and can come into close contact with the side-view mirror. The water-repellent film includes: a substrate layer provided to adhere to the side-view mirror; an adhesive layer that is formed under the substrate layer and has adhesion such that the substrate layer adheres to the side-view mirror; and a coating layer that is laminated on the substrate layer.

A multilayer film having a multi-layer structure unit which is a 51-layered or more multiple layer formed by alternately layering a layer (A layer) a main component of which is a polyester resin (resin A) having a dicarboxylic component and a diol component, and a layer (B layer) a main component of which is a thermoplastic resin (resin B) different from the resin A in optical properties; wherein at least one surface of the multi-layer structure unit has a refractive index of 1.68 or more and 1.80 or less, wherein the surface has a critical load of 15 mN or less at 100° C. in a scratch test, and wherein the multilayer film has at least one reflection bandwidth having a reflectance of 30% or more continuous over a wavelength width of 20 nm or more in a profile of reflectance measured on at least one surface side of the multi-layer structure unit.

An optical device can deal with a relative difference in thermal expansion coefficient between a reflecting mirror and a mirror supporting member, and can also support the reflecting mirror with a simpler structure than the conventional one. The optical device includes: a reflecting mirror including a reflecting surface to reflect light, and a supported portion disposed on a rear surface and having three supported surfaces arranged with rotational symmetry of 120 degrees around an optical axis, the rear surface being a surface of the reflecting mirror existing on the contrary side to the reflecting surface; a structural member provided on a rear side of reflecting mirror; and three supporting members, each of the three supporting members including a mirror supporting portion connected to and supporting each of the three supported surfaces, and having two ends connected to the structural member.

The invention provides a multilayer laminated film with alternately laminated birefringent and isotropic layers. The birefringent layers have a first monotonically increasing region of optical thickness and contain monotonically increasing region 1A of maximum optical thickness is 100 nm or less, and monotonically increasing region 1B of minimum optical thickness of more than 100 nm, and ratio 1B/1A of slope 1B of monotonically increasing region 1B to slope 1A of monotonically increasing region 1A is 0.8 or more and less than 1.5. The isotropic layers have a second monotonically increasing region of optical thickness and contain monotonically increasing region 2A of maximum optical thickness of 200 nm or less and monotonically increasing region 2B of minimum optical thickness of more than 200 nm, and ratio 2B/2A of slope 2B of monotonically increasing region 2B to slope 2A of monotonically increasing region 2A is more than 1.5 and less than 5.

The invention provides a multilayer laminated film with alternately laminated birefringent and isotropic layers. The birefringent layers have a first monotonically increasing region of optical thickness and contain monotonically increasing region 1A of maximum optical thickness of 100 nm or less, and monotonically increasing region 1B of minimum optical thickness of more than 100 nm, and ratio 1B/1A of slope 1B of monotonically increasing region 1B to slope 1A of monotonically increasing region 1A is more than 0 and less than 0.8. The isotropic layers have a second monotonically increasing region of optical thickness and contain monotonically increasing region 2A of maximum optical thickness of 200 nm or less and monotonically increasing region 2B of minimum optical thickness of more than 200 nm, and ratio 2B/2A of slope 2B of monotonically increasing region 2B to slope 2A of monotonically increasing region 2A is more than 1.5 and 10 or less.

A method of manufacturing a thin film is provided. The method includes providing a plurality of crystalline hexagonal tungsten trioxide particles, size-reducing the crystalline hexagonal tungsten trioxide particles by grinding to produce crystalline hexagonal tungsten trioxide nanostructures, and coating the crystalline hexagonal tungsten trioxide nanostructures onto a substrate to produce a thin film. An electrochromic multi-layer stack is also provided.

A mirrored apparatus includes a substrate having a surface and including an additive manufactured aluminum and about 2 to about 30 weight % (wt. %) silicon. The mirrored apparatus also includes a finish layer arranged directly on the surface of the substrate. The finish layer includes a polished surface opposite the substrate. The mirrored apparatus further includes a reflective layer arranged on the polished surface of the finish layer.