Nitto-denko Corporation

Teijin Limited

Sharp Kabushiki Kaisha Corporation

Keisuke Sato

Takeshi Murashige

Junichi Inagaki

Manabu Matsui

Kazuyoshi Ogasawara

Kazunori Nunome

Tatsuya Oyama

Kyosuke Yamada

Takatsune Yanagida

Atsushi Kishi

Eiji Suematsu

Yasuhiko Tomonari

Atsushi Yamada

Toshihiro Kanno

Shinichi Handa

Tohru Yamamoto

Atsushi Umeki

A multilayer structure includes a resin layer, and a glass layer laminated on the resin layer via an adhesive layer, wherein a thickness of the glass layer is 10 μm or more and 300 μm or less, and an arithmetic mean waviness Wa of an interface of the resin layer and the adhesive layer is 10 μm or less.

Multilayer structure

An object of the present invention is to provide a novel production method of a poly(ester)carbonate. The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.

Poly(ester)carbonate and method for producing poly(ester)carbonate

A multi-layer structure includes a glass layer having a thickness of greater than or equal to 10 μm and less than or equal to 200 μm; and a resin layer. A number of unit lamination structures in a thickness direction of the multi-layer structure is greater than or equal to 5 and less than or equal to 20,000, the unit lamination structure being a lamination structure composed of the glass layer and the resin layer.

Multi-layer structure

The invention provides an optical lens that can provide small-sized imaging modules. The optical lens of the invention comprises a thermoplastic resin having a refractive index (nD) and Abbe number (ν) satisfying the following mathematical formula (A):≤−0.02×ν+2.040  (A)(where 1.660<nD).

Optical lens

Provided is a sensor device in which the sensitivity of a strain sensor is hardly inhibited despite the fact that a glass material is used as a protective material, and in which the glass material hardly breaks. The sensor device of the present invention includes: an optical laminate including a glass film, an adhesive layer, a resin layer, and a pressure-sensitive adhesive layer in the stated order; and a strain-sensing unit, wherein the glass film has a thickness of from 20 μm to 150 μm. In one embodiment, the strain-sensing unit is arranged on a pressure-sensitive adhesive layer side of the optical laminate.

Sensor device

Provided is a glass film-resin composite, which prevents the breakage of a glass film and enables the production of an elongated glass film. The glass film-resin composite of the present invention includes: an elongated glass film; a resin tape, which is arranged on at least one surface of the elongated glass film and is linearly arranged at least near each of both ends in a widthwise direction of the elongated glass film in one surface of the elongated glass film; a protective layer, which is arranged near each of both the ends in the widthwise direction of the surface of the elongated glass film having arranged thereon the resin tape and on an outside of the resin tape in the widthwise direction; and a resin layer arranged on one surface of the elongated glass film.

(Glass film)-resin complex

A method of manufacturing a glass resin laminated body includes a step of sticking a glass film on a resin film via an adhesive layer while holding the glass film and the resin film between a first roller that presses against the resin film and a second roller that is disposed opposite to the first roller and that presses against the glass film. A ratio of an elastic modulus Pof a surface layer of the first roller to an elastic modulus Pof the resin film P/Psatisfies a relation of 3×10≤P/P≤1.0.

Method for manufacturing glass resin laminated body

A method of conveying a glass film composite uses a roll-to-roll process for winding a glass film composite wound on a feed roller by a winding roller through a plurality of conveyance rollers. The glass film composite includes an elongated glass film, and linear resin tapes disposed on one side of the glass film along a longitudinal direction of the glass film at both ends in a width direction of the glass film. The method includes a step of conveying the glass film composite from the feed roller to the winding roller through the plurality of conveyance rollers without passing a state in which the glass film composite is bent so that the resin tapes are directed to the inside.

Method for conveying glass film composite

Provided is a method of manufacturing a laminated film, the method including laminating a glass film and a resin film via an adhesive layer, by which peeling between the glass film and the resin film is prevented, and hence a laminated film excellent in appearance can be obtained. The method of manufacturing a laminated film of the present invention includes the steps of: laminating a glass film and a resin film via an adhesive to provide a precursor laminate; and curing the adhesive by applying an active energy ray to the precursor laminate, wherein the curing step includes nonuniformly applying the active energy ray in a surface of the precursor laminate.

Layered film production method

The purpose of the present invention is to provide a high temperature/humidity resistant polycarbonate resin without using bisphenol A as a raw material. The present invention relates to a polycarbonate resin comprising the repeating units of formulas (1), (2) and (3), wherein the content of the repeating unit of formula (3) is 5 mol% to 50 mol%, and the refractive index is 1.570 to 1.600. {In formula (1), Rand Reach represent a hydrogen atom or a Chydrocarbon group.} {In formula (3), n ranges from 0 to 8, and the R symbols are each selected from Calkyl groups}. 

Polycarbonate resin and optical member containing same

The purpose of the present invention is to provide a polyester resin or polyester carbonate resin, which has high refractive index, while achieving an excellent balance between heat resistance and low birefringence. A polyester resin or a polyester carbonate resin, which contains repeating units represented by the following formulae (1) and (2), and wherein the ratio of the repeating unit represented by formula (1) to the repeating unit represented by formula (2) is 15:85 to 85:15. (In formula (1), each of rings Zand Zrepresents a polycyclic aromatic hydrocarbon group having 9-20 carbon atoms; each of R, R, Rand Rindependently represents a hydrocarbon group which may contain an aromatic group having 1-12 carbon atoms; each of R-Rand R-Rrepresents a hydrogen atom or an aliphatic or aromatic substituents; each of j, k, r and s independently represent an integer of 0 or more; and each of m, n, p and q independently represents 1 or 2) (In formula (2), each of R, R, Rand Rindependently represent a hydrocarbon group which may contain an aromatic group having 1-12 carbon atoms; each of R-Rand R-Rrepresents a hydrogen atoms or an aliphatic or aromatic substituents; and each of r, s, t and u independently represents an integer of 0 or more.)

Polyester resin or polyester carbonate resin, and optical member using said resin

The present invention relates to a production method of a poly(ester)carbonate, including subjecting a diol and a carbonate ester to a transesterification reaction in the presence of a catalyst, wherein the catalyst comprises aluminum or a compound thereof, and a phosphorus compound.

Polyester carbonate and method for producing polyester carbonate

The purpose of the present invention is to provide a thermoplastic resin that has a high refractive index and enables low birefringence and balanced heat resistance and moldability. This thermosetting resin includes repeating units represented by formula (1). (In the formula, the rings Z are the same or different and represent an aromatic hydrocarbon ring, Rand Rindependently represent a C1-C12 hydrocarbon group optionally including a hydrogen atom, a halogen atom, and an aromatic group, Arand Arrepresent a C6-C10 aromatic group optionally having a substituent, Land Lindependently represent a divalent linking group, j and k independently represent an integer of 0 or more, m and n independently represent 0 or 1, and W is at least one selected from the groups represented by formulae (2) and (3).) (In the formula, X represents a divalent linking group.)

Thermoplastic resin and optical member

A millimeter wave transceiving systemfor transmitting and receiving a millimeter wave includes a transmitting apparatusfor transmitting a millimeter wave, a reflecting platefor reflecting a millimeter wave transmitted from the transmitting apparatus, and a receiving apparatusfor receiving a millimeter wave reflected by the reflecting plate. The reflecting plateincludes a metal plate, a metal sheet, or a metal film, as a reflecting surfacefor reflecting a millimeter wave. This makes it possible to realize a millimeter wave transceiving system which allows an easy installation.

Millimeter wave transceiving system and reflecting plate

A radio receiver includes a down-converterfor receiving a radio multiplexed signal containing a first signal and a second signal, multiplying the first signal and the second signal by a mixerto thereby down-convert the radio multiplexed signal and generate an intermediate frequency signal. The mixerhas a control section for controlling an operating bias of the mixerin response to a signal strength of at least either one of the first signal or the second signal. Thus, the dynamic range of the mixer can be widened so that stable image characteristics can be obtained over a wide range of transmission distance.

Growing community of inventors

Osaka, Japan

Keisuke Sato