There is provided a resin composition including (a) an acrylic polymer having a tensile modulus of 200 MPa or less, (b) a resin that is solid at 25° C., (c) a resin that is liquid at 25° C. and crosslinkable with at least one of the component (a) or the component (b), and (d) a polymerization initiator. The content of the component (a) is 35 parts by weight or more and 93 parts by weight or less, the content of the component (b) is 3 parts by weight or more and 60 parts by weight or less, and the content of the component (c) is 1 part by weight or more and 25 parts by weight or less, based on 100 parts by weight of the total amount of the component (a), the component (b), and the component (c).

An electronic device is provided which can be worn on the body or implanted into the body, such as in the form of a pulse watch and/or a smartwatch and/or an implant. The electronic device includes a photoplethysmographic measuring device. A transmitter diode and a receiver diode are arranged under a window made of glass or glass ceramics. The window is implemented as a compression glass seal and/or as a fiber-optic plate.

The present invention relates to a method for manufacturing a glass sheet composite including two or more sheets and an intermediate layer between at least a pair of sheets of the sheets, the pair of the sheets consisting of a sheet 1A and a sheet 1B, at least one of the sheet 1A and the sheet 1B being a glass sheet, and the method including: applying a liquid agent for the intermediate layer and a sealant to at least a part of a main surface of the sheet 1A; bonding the sheet 1B to the main surface of the sheet 1A to which the liquid agent for the intermediate layer and the sealant are applied to obtain a laminate; and subjecting the laminate to reduced pressure.

A vehicle window glass comprises a glass substrate layer, an electrically conductive layer forming a conductive pattern over the glass substrate, a lead-free solder layer on the conductive layer and a metal plate element of an electrical connector on the solder layer. Optionally a coloured ceramic band layer is sintered between the glass substrate layer and the conductive layer. The thickness of the metal plate element is between 0.5 mm and 0.7 mm.

Embodiments of a vehicle interior system and associated processes are disclosed. In one or more embodiments, the system includes a base with a curved surface, and a curved glass article disposed on the curved surface. The curved glass article includes a high modulus adhesive layer located on the second major surface. The high modulus adhesive layer has a modulus of elasticity of at least 500 MPa. The high modulus adhesive layer provides crack resistance to the glass article. Methods for forming such glass articles and vehicle interior systems are also disclosed.

The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.

The present invention provides a glass substrate in which in a step of sticking a glass substrate and a silicon-containing substrate to each other, bubbles hardly intrude therebetween. The present invention relates to a glass substrate for forming a laminated substrate by lamination with a silicon-containing substrate, having a warpage of 2 μm to 300 μm, and an inclination angle due to the warpage of 0.0004° to 0.12°.

The glass ceramic material of the present disclosure contains a glass that contains SiO.sub.2, B.sub.2O.sub.3, Al.sub.2O.sub.3, and M.sub.2O, where M is an alkali metal, and a filler that contains quartz, Al.sub.2O.sub.3, and ZrO.sub.2. The glass ceramic material contains the glass in an amount of 57.4% by weight or more and 67.4% by weight or less, the quartz in the filler in an amount of 29% by weight or more and 39% by weight or less, the Al.sub.2O.sub.3 in the filler in an amount of 1.8% by weight or more and 5% by weight or less, and the ZrO.sub.2 in the filler in an amount of 0.3% by weight or more and 1.8% by weight or less.

The purpose of the invention is to manufacture the device having a resin substrate without using expensive machine like laser apparatus and so forth, and to raise a yield rate of the material. The structure is as follows.

A device having a resin substrate:

in which the resin substrate has a surface, on which a functional layer is formed, and a back surface, which is rear side from the surface,

the back surface has a peripheral area and an inner area, which is located inner side than the peripheral area in a plan view,

the peripheral area has a rough surface whose surface roughness is larger compared with a surface roughness of the inner area.

A glass substrate contains, as a glass matrix composition as represented by mole percentage based on oxides, SiO.sub.2: 58-75%, Al.sub.2O.sub.3: 4.5-16%, B.sub.2O.sub.3: 0-6%, MgO: 0-6%, CaO: 0-6%, SrO: 5-20%, BaO: 5-20%, and MgO+CaO+SrO+BaO: 15-40%. The glass substrate has an alkali metal oxide content of 0-0.1% as represented by mole percentage based on oxides. The glass substrate has an average coefficient of thermal expansion α of 56-90 (×10.sup.−7/° C.) at 50° C.-350° C.