Abstract: The ultrasonic transmitter/receiver device comprises a transmission section which transmits ultrasonic waves generated by a piezoelectric element when a transmission signal is inputted, a reception section which is superposed directly or indirectly on the transmission section and outputs a reception signal generated by a piezoelectric element when ultrasonic waves are received, a pair of a transmission signal wire and a transmission grounding wire for supplying the transmission signal to the transmission section, and a pair of a reception signal wire and a reception grounding wire for taking the reception signal from the reception section. The transmission grounding wire and the reception grounding wire are used in common as a common grounding wire. The common grounding wire and the transmission signal wire, and further the common grounding wire and the reception signal wire are disposed on different side surfaces of the transmission section and the reception section superposed with each other.

Abstract: A method of producing an ultrasonic probe may include superimposing an ultrasonic wave receiving organic piezoelectric element layer made of an organic material on an ultrasonic wave transmitting inorganic piezoelectric element layer made of an inorganic material, and polarizing the ultrasonic wave receiving organic piezoelectric element layer and the ultrasonic wave transmitting inorganic piezoelectric element layer on a condition that the ultrasonic wave receiving organic piezoelectric element layer is superimposed on the ultrasonic wave transmitting inorganic piezoelectric element layer.

Abstract: An ultrasound probe comprising a transmitting piezoelectric layer, an electrode layer and a receiving piezoelectric layer laminated in that order, the ultrasound probe transmitting and receiving an ultrasound, wherein a polarization treatment on the receiving piezoelectric layer is carried out by providing a peelable dielectric layer on the receiving piezoelectric layer.

Abstract: An objective is to provide a method of forming a piezoelectric resin film produced at low cost, and specifically to provide the method in which a large-area piezoelectric resin film is produced at low cost, and at reduced investment in facilities. Disclosed is a method of forming a piezoelectric resin film possessing the steps of polymerizing a monomer at a temperature of 5-60° C. to obtain a resin having a polymerization degree of 4-300, and a polarity group possessing one bond selected from a urea bond, an ester bond, an amide bond and an imide bond, coating the resin onto a substrate; and further polymerizing the resin at 70-250° C. while conducting a poling treatment.

Abstract: A driving method of an array type ultrasound probe, in which transmission and reception are carried out by changing a voltage load alternatively on the transmission piezoelectric element and the reception piezoelectric element.

Abstract: An multi-channel array type ultrasound probe (search unit) disposed at least one-dimensionally, having: a plurality of sheet-shaped piezoelectric elements as transmission reception separation type complex piezoelectric element, wherein a material configuring a transmission piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 100 Gpa at 23° C., and a material configuring a reception piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 1 Gpa at 23° C.

Abstract: The ultrasonic transmitter/receiver device comprises a transmission section which transmits ultrasonic waves generated by a piezoelectric element when a transmission signal is inputted, a reception section which is superposed directly or indirectly on the transmission section and outputs a reception signal generated by a piezoelectric element when ultrasonic waves are received, a pair of a transmission signal wire and a transmission grounding wire for supplying the transmission signal to the transmission section, and a pair of a reception signal wire and a reception grounding wire for taking the reception signal from the reception section. The transmission grounding wire and the reception grounding wire are used in common as a common grounding wire. The common grounding wire and the transmission signal wire, and further the common grounding wire and the reception signal wire are disposed on different side surfaces of the transmission section and the reception section superposed with each other.

Abstract: A near-infrared fluorescing contrast medium which exhibits superior imaging capability and is also difficult to accumulate in a living body, is disclosed, comprising a cyanine compound containing water-solubilizing groups and represented by the following formula. The imaging method by use thereof is also disclosed.

Abstract: An ultrasound probe comprising a transmitting piezoelectric layer, an electrode layer and a receiving piezoelectric layer laminated in that order, the ultrasound probe transmitting and receiving an ultrasound, wherein a polarization treatment on the receiving piezoelectric layer is carried out by providing a peelable dielectric layer on the receiving piezoelectric layer.

Abstract: An objective is to provide an electromagnetic wave shielding material exhibiting an excellent electromagnetic wave shielding property, and also to provide a manufacturing method with quick and simple processing, in which a thin-line-state picture image can easily be formed. An electromagnetic wave shielding material exhibiting an excellent near-infrared shielding property can further be provided if desired. Disclosed is an electromagnetic wave shielding material possessing a support and provided thereon, a conductive metal layer, wherein the conductive metal layer satisfies at least one of the following conditions; (1) a void ratio of the conductive metal layer is 0.1-15%, (2) Glossiness of the conductive metal layer is 50-300%, and (3) Center line average surface roughness (Ra) of the conductive metal layer is 1-50 nm.

Abstract: A piezoelectric element is disclosed, comprising at least two electrodes having therebetween a high-dielectric layer and a low-dielectric layer, wherein the high-dielectric layer is comprised of an organic material. An ultrasonic probe for transmitting and receiving ultrasonic waves is also disclosed, comprising the piezoelectric element.

Abstract: An multi-channel array type ultrasound probe (search unit) disposed at least one-dimensionally, having: a plurality of sheet-shaped piezoelectric elements as transmission reception separation type complex piezoelectric element, wherein a material configuring a transmission piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 100 Gpa at 23° C., and a material configuring a reception piezoelectric element of the complex type piezoelectric element has an elastic coefficient of 10 Gpa to 1 Gpa at 23° C.

Abstract: An ultrasound probe comprising a transmitting piezoelectric layer, an electrode layer and a receiving piezoelectric layer laminated in that order, the ultrasound probe transmitting and receiving an ultrasound, wherein a polarization treatment on the receiving piezoelectric layer is carried out by providing a peelable dielectric layer on the receiving piezoelectric layer.

Abstract: An ultrasonic probe for transmitting and receiving an ultrasonic wave, comprises a transmission-use inorganic piezoelectric element layer made of an inorganic material and for transmitting an ultrasonic wave; an organic piezoelectric element layer made of an organic material and for receiving an ultrasonic wave; and an electrode layer provided between the inorganic piezoelectric element layer and the organic piezoelectric element layer.

Abstract: An objective is to provide a multichannel array type ultrasound probe possessing a transmission-reception separation type composite piezoelectric element, in which the operation during transmission and reception of ultrasound wave is separated, wherein a piezoelectric element for transmission possesses a ceramic material, a piezoelectric element for reception possesses a high sensitivity organic piezoelectric element material, and an acoustic matching layer is provided between a piezoelectric element for transmission and a piezoelectric element for reception to enhance high sensitivity in S/N ratio. Also disclosed is a multichannel array type ultrasound probe possessing a transmission-reception separation type composite piezoelectric element, wherein the composite piezoelectric element comprises an acoustic matching layer provided between a piezoelectric element for transmission possessing a ceramic material and a piezoelectric element for reception possessing an organic material.

Abstract: An objective is to provide a method of forming a piezoelectric resin film produced at low cost, and specifically to provide the method in which a large-area piezoelectric resin film is produced at low cost, and at reduced investment in facilities. Disclosed is a method of forming a piezoelectric resin film possessing the steps of polymerizing a monomer at a temperature of 5-60° C. to obtain a resin having a polymerization degree of 4-300, and a polarity group possessing one bond selected from a urea bond, an ester bond, an amide bond and an imide bond, coating the resin onto a substrate; and further polymerizing the resin at 70-250° C. while conducting a poling treatment.

Abstract: An objective is to provide an electromagnetic wave shielding material exhibiting an excellent electromagnetic wave shielding property, and also to provide a manufacturing method with quick and simple processing, in which a thin-line-state picture image can easily be formed. An electromagnetic wave shielding material exhibiting an excellent near-infrared shielding property can further be provided if desired. Disclosed is an electromagnetic wave shielding material possessing a support and provided thereon, a conductive metal layer, wherein the conductive metal layer satisfies at least one of the following conditions; (1) a void ratio of the conductive metal layer is 0.1-15%, (2) Glossiness of the conductive metal layer is 50-300%, and (3) Center line average surface roughness (Ra) of the conductive metal layer is 1-50 nm.

Abstract: A photothermographic imaging material having a support; a photosensitive layer containing photosensitive silver halide particles on one face of the support; and a non-photosensitive layer provided on a side of the support where the photosensitive layer is provided. At least one of the photosensitive layer and the non-photosensitive layer contains an organic silver salt, a reducing agent, a compound represented by the Formula (1) and a compound represented by the Formula (2a).

Abstract: A method of producing a near-infrared ray absorbing material comprising the steps of: applying a coating liquid of a near-infrared ray absorbing layer comprising a near-infrared ray absorbing dye and a latex onto a support to form a coated layer; and drying the coated layer by heat to form a near-infrared ray absorbing layer, wherein the near-infrared ray absorbing layer absorbs not less than 60% of a total amount of near-infrared rays having wavelengths of 800 to 1000 nm.

Abstract: A method of manufacturing an electromagnetic wave shielding material comprising the steps of: (a) forming an image of metallic silver grains by conducting exposure and photographic processing to a silver halide photographic material comprising a support, at least one near-infrared absorption layer thereon, and a silver halide emulsion layer containing silver halide grains; and (b) converting the image of metallic silver grains to an electrical conductive image by treatment of pressing or heating.