Toray Industries, Inc.

Seiichiro Murase

Hiroji Shimizu

Junji Wakita

Shota Kawai

Kazumasa Nagao

Kazuki Isogai

Jun Tsukamoto

Tsuyoshi Tominaga

Daisuke Kitazawa

Kazunori Sugimoto

Yukari Jo

Takafumi Ogawa

Yasuhiro Kobayashi

Daisuke Sakii

Yoshihiro Kariya

Kenta Noguchi

Mitsuhito Suwa

Hisashi Nishikawa

Takejiro Inoue

Takenori Fujiwara

Akihiro Iihara

Junji Mata

Takeshi Ishigaki

Akira Kohama

Hidekazu Nishino

Hironobu Sadakuni

Yuichi Tsuji

Yasunori Kuse

Sachio Inaba

Kouichi Dan

Kojiro Naito

Yuki Kase

Ryuichi Tanaka

Daisuke Sakaii

Shinji Horii

Yoshihiro Ikegami

Kazumana Nagao

Takeshi Toray Fibers & Textiles Res Lab Co Ltd Ishigaki

An object of the present invention is to provide a n-type semiconductor element having improved n-type semiconductor characteristics and excellent stability, where the n-type semiconductor element includes a second insulating layer, where the second insulating layer contains: A. (a) a compound having one carbon-carbon double bond or one conjugated system bound to at least one group represented by general formula (1) and at least one group represented by general formula (2); and (b) a polymer; or B. a polymer having, in its molecular structure, the remaining group after removing some hydrogen atoms from R, R, R, or Rin the compound (a), or the remaining group after removing some hydrogen atoms from the carbon-carbon double bond or the conjugated system in the compound (a).

n-type semiconductor element, method for manufacturing n-type semiconductor element, wireless communication device, and merchandise tag

An object of the present invention is to provide a n-type semiconductor element having improved n-type semiconductor characteristics and excellent stability with a convenient process, where the n-type semiconductor element includes: a substrate; a source electrode, a drain electrode, and a gate electrode; a semiconductor layer in contact with the source electrode and the drain electrode; a gate insulating layer for insulating the semiconductor layer from the gate electrode; and a second insulating layer positioned on the opposite side of the semiconductor layer from the gate insulating layer and in contact with the semiconductor layer, where the semiconductor layer contains nanocarbon, and the second insulating layer contains (a) a compound with an ionization potential in vacuum of 7.0 eV or less, and (b) a polymer.

n-type semiconductor element, method for producing n-type semiconductor element, wireless communication device, and product tag

A carbon nanotube composite is described that can be accurately applied to a desired position by inkjet and a dispersion liquid using the same, where a main object is a carbon nanotube composite in which a conjugated polymer is attached to at least a part of the surface of a carbon nanotube, the conjugated polymer having a side chain represented by general formula (1): wherein R, X and A are defined as described.

Carbon nanotube composite, dispersion liquid using same, semiconductor device, method for producing semiconductor device, and wireless communication device and merchandise tag each using semiconductor device

A field-effect transistor comprises, on a substrate, a source electrode, a drain electrode, and a gate electrode; a semiconductor layer in contact with the source electrode and the drain electrode; wires individually electrically connected to the source electrode and the drain electrode; and a gate insulating layer that insulates the semiconductor layer from the gate electrode, wherein a connecting portion between the source electrode and the wire forms a continuous phase, and a connecting portion between the drain electrode and the wire forms a continuous phase, the portions constituting the continuous phases contain at least an electrically conductive component and an organic component, and integrated values of optical reflectance at a region of a wavelength of 600 nm or more and 900 nm or less on the wires are higher than integrated values of optical reflectance at a region of a wavelength of 600 nm or more and 900 nm or less on the source electrode and the drain electrode.

Field-effect transistor, method for manufacturing same, and wireless communication device

A field-effect transistor including at least: a substrate; a source electrode; a drain electrode; a gate electrode; a semiconductor layer in contact with the source electrode and with the drain electrode; and a gate insulating layer insulating between the semiconductor layer and the gate electrode, wherein the semiconductor layer contains a carbon nanotube, and the gate insulating layer contains a polymer having inorganic particles bound thereto. Provided is a field-effect transistor and a method for producing the field-effect transistor, wherein the field-effect transistor causes decreased leak current and furthermore enables a semiconductor solution to be uniformly applied.

Field effect-transistor, method for manufacturing same, wireless communication device using same, and product tag

An integrated circuit includes a memory array that stores data, a rectifying circuit that rectifies an alternating current and generates a direct-current voltage, and a logic circuit that reads data stored in a memory. The memory array includes a first semiconductor memory element having a first semiconductor layer. The rectifying circuit includes a second semiconductor rectifying element having a second semiconductor layer. The logic circuit includes a third semiconductor logic element having a third semiconductor layer. The second semiconductor layer is a functional layer exhibiting a rectifying action and the third semiconductor layer is a channel layer of a logic element. All the first, second and third semiconductor layers, the functional layer exhibiting a rectifying action and the channel layer are formed of the same material including at least one selected from an organic semiconductor, a carbon nanotube, graphene, or fullerene.

Integrated circuit, method for manufacturing same, and radio communication device using same

The present invention provides a circuit including a plurality of component parts formed on a substrate and having common functions, wherein the plurality of component parts each includes a detection part which shows responsiveness to moisture; wherein the responsiveness to moisture varies between the plurality of component parts; and wherein the presence or absence of a response to moisture detected by each detection part corresponds to a binary digital signal, and whereby the circuit outputs a sequence of binary digital signals.

Circuit, detector, wireless communication device, moisture sensing system, diaper, notification system, and circuit manufacturing method

A package in an aspect of the present invention includes: a package body having a receiving cavity for receiving a cavity item; a sheet for sealing the receiving cavity; a conducting wire formed on the sheet so as to pass above the sealed opening portion of the receiving cavity; and a wireless communication device formed on the sheet so as to be connected to the conducting wire. The wireless communication device transmits a signal including information which differs between before and after the conducting wire together with the sheet is cut as a result of opening the receiving cavity. The information transmitted from the wireless communication device is read by a reader. The package and the reader are used for a cavity item management system.

Packing material, method for producing packing material, reading device, stored-article management system, disconnection detection device, unsealing detection label, and unsealing detection system

A wireless communication device includes: an antenna for transmitting and receiving a radio wave, a rectifying circuit that is connected to the antenna and rectifies the radio wave received by the antenna to generate voltage, an internal circuit that operates by the voltage generated by the rectifying circuit, and a switch circuit that is disposed contactlessly with respect to the antenna and operates on the basis of an output signal of the internal circuit, wherein the switch circuit includes a coupling wiring and a switch element, and the operation of the switch element varies the impedance of the antenna so that communication can be carried out.

Wireless communication device

The present invention provides a wireless communication device including: a circuit unit; and an antenna which is connected to the circuit unit and which transmits and receives signals to and from a transceiver in a non-contact manner. The wireless communication device transmits different signals to the transceiver, depending on the presence or absence of contact between at least a part of the circuit unit and moisture.

Wireless communication device, diaper and moisture detecting system

An object of the present invention is to provide a method for accurately forming an antenna substrate as well as an antenna substrate with wiring line and electrode by a coating method. One aspect of the present invention provides a method for producing an antenna substrate with wiring line and electrode including the steps of: (1) forming a coating film using a photosensitive paste containing a conductive material and a photosensitive organic component on an insulating substrate; (2-A) processing the coating film into a pattern corresponding to an antenna by photolithography; (2-B) processing the coating film into a pattern corresponding to a wiring line; (2-C) processing the coating film into a pattern corresponding to an electrode; (3-A) curing the pattern corresponding to an antenna into an antenna; (3-B) curing the pattern corresponding to a wiring line into a wiring line; and (3-C) curing the pattern corresponding to an electrode into an electrode.

Production method for antenna substrate, production method for antenna substrate with wiring line and electrode, and production method for RFID element

A memory array includes: a plurality of first wires; at least one second wire crossing the first wires; and a plurality of memory elements provided in correspondence with respective intersections of the first wires and the at least one second wire and each having a first electrode and a second electrode arranged spaced apart from each other, a third electrode connected to one of the at least one second wire, and an insulating layer that electrically insulates the first electrode and the second electrode and the third electrode from each other, the first wires, the at least one second wire, and the first wires, the at least one second wire, and the memory elements being formed on a substrate.

Memory array, method for manufacturing memory array, memory array sheet, method for manufacturing memory array sheet, and wireless communication apparatus

Provided is a lithographic ink having superior surface staining resistance and fluidity. Also provided is a method for manufacturing a printed material using the lithographic ink. The lithographic ink has all of a viscosity (A) at a rotational speed of 0.5 rpm, a viscosity (B) at a rotational speed of 20 rpm, and a viscosity (C) at a rotational speed of 50 rpm of 5 Pa&#xb7;s or more and 100 Pa&#xb7;s or less, the viscosities (A), (B), and (C) being measured by using a cone-plate rotating viscometer at 25&#xb0; C., and has a viscosity ratio (C)/(B) of 0.8 or more and 1.0 or less.

Lithographic ink

The purpose of the present invention is to provide: a conductive film; a method for producing a conductive film, which enables the achievement of a conductive film or conductive pattern having good electrical conductivity by means of light irradiation of a short period of time without being accompanied by a long-time heat treatment at high temperatures; a method for producing a field effect transistor, which uses this method for producing a conductive film; and a method for producing a wireless communication device. A method for producing a conductive film according to the present invention for the achievement of the above-described purpose comprises: a step for forming a coating film by applying a conductive paste, which contains conductive particles that have surfaces covered by elemental carbon, onto a substrate; and a step for irradiating the coating film with flashing light.

Method for producing conductive film, method for producing field effect transistor using same, and method for producing wireless communication device

Provided is a method for manufacturing a field-effect transistor, the method including the steps of: forming a gate electrode on the surface of a substrate; forming a gate insulating layer on the gate electrode; forming a conductive film containing a conductor and a photosensitive organic component by a coating method on the gate insulating layer; exposing the conductive film from the rear surface side of the substrate with the gate electrode as a mask; developing the exposed conductive film to form a source electrode and a drain electrode; and forming a semiconductor layer by a coating method between the source electrode and the drain electrode. This method makes it possible to provide an FET, a semiconductor device, and an RFID which can be prepared by a simple process, and which have a high mobility, and have a gate electrode and source/drain electrodes aligned with a high degree of accuracy.

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Otsu, Japan

Seiichiro Murase