Matsushita Electric Industrial Co., Ltd.

Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Akiko Murata

Eiji Fujii

Hideo Torii

Taku Hirasawa

Ryoichi Takayama

Atsushi Tomozawa

Yuka Okada

Tatsutoshi Suenaga

Kohei Hara

Tohru Nakagawa

Norihiro Imamura

Yoshiki Sasaki

Tatsushi Ohyama

Hiroshi Kawada

Norihisa Takahara

Mitsuhiro Hibino

Tetsuya Takayanagi

This positive electrode active material for nonaqueous electrolyte secondary batteries includes a lithium transition metal complex oxide that has a spinel structure and that is represented by general formula LiNiMnGeMO(in the formula, 0≤α<0.2, 0≤x<0.2, 0<y<0.45, and 0≤z<0.2 are satisfied, and M represents at least one element selected from the group consisting of Mg, Al, Sc, Ti, Cr, V, Fe, and Co). In a secondary particle of the lithium transition metal complex oxide, the mole number (Ge) of Ge at the surface portion when the total number of moles of metal elements other than Li is defined as 2 is larger than the mole number (Ge) of Ge at the center portion when the total number of moles of metal elements other than Li is defined as 2.

Positive electrode active material for nonaqueous electrolyte secondary batteries, and nonaqueous electrolyte secondary battery

A detection device comprises a cyclone-type collection part for collecting particles contained in a gas into a collection liquid with a swirling airflow, a detection part for detecting the particles collected by the cyclone-type collection part; and a cleaning part for cleaning the cyclone-type collection part with a cleaning liquid. The cleaning part cleans the cyclone-type collection part by swirling the cleaning liquid with the swirling airflow generated in the cyclone-type collection part.

Detection device and detection method using cyclone type collector

An infection risk map provision system includes virus sensors for detecting viruses in the air, the virus sensors being provided at different positions, a communication unit that collects detection information obtained by the virus sensors, and a control unit that provides, on the basis of the detection information, an infection risk map representing the distribution of infection risk information. The control unit sets display granularity for the infection risk information on the infection risk map displayed on an information terminal on the basis of granularity information corresponding to the virus sensors and creates the infection risk map by superimposing the infection risk information upon a map on the basis of the set display granularity and positional information.

Pathogen distribution information provision system, pathogen distribution information provision server, and method for providing pathogen distribution information

A liquid treatment apparatus comprises: a first tank in which a first gas containing nitrogen and oxygen and a liquid are stored; a plasma generating apparatus, including a first electrode and a second electrode, which effects discharge between the first electrode and the second electrode and thereby generates plasma that makes contact with at least part of the liquid; and a gas supply apparatus that supplies a first part of the first gas from the first tank to the plasma generating apparatus.

Liquid treatment apparatus

In a diffraction optical element having a structure in which a base and an optical adjustment layer adhere to each other, defects such as cracks and peeling occur in the optical adjustment layer, when the adhesive strength between the base and the optical adjustment layer is degraded. In a diffraction optical elementof the present invention, a plurality of anchor groovesare formed in a planar second regionof a base. Further, a depth of an anchor groove of the plurality of anchor grooves, which is positioned on an outermost side, is designed so as to be smaller than a depth of another anchor groove of the plurality of anchor grooves, which is positioned on an innermost side. An optical adjustment layeradheres so as to cover a first regionin which a diffraction gratingis formed and the second regionin which the anchor groovesare formed of the base

Diffraction optical element and production method therefor

An image pickup apparatus includes: a lens optical system including six regions having such optical characteristics that focal characteristics are made different from one another; an image pickup device having a plurality of pixels on which light beams having passed through the lens optical system are incident; and an arrayed optical device for making light beams having passed through the six regions incident respectively on different pixels on the image pickup device.

Image pick-up device, method, and system utilizing a lens having plural regions each with different focal characteristics

A diffractive optical element according to the present invention includes: a bodybeing composed of a first optical material containing a first resin, and having a diffraction gratingon a surface thereof; and an optical adjustment layerbeing composed of a second optical material containing a second resin, and provided on the body so as to cover the diffraction grating. A difference between a solubility parameter of the first resin and a solubility parameter of the second resin is 0.8 [cal/cm]or more, and the first resin and the second resin each have a benzene ring.

Diffractive optical element

A diffractive optical element according to the present invention includes: a bodybeing composed of a first optical material containing a first resin, and having a diffraction gratingon a surface thereof; and an optical adjustment layerbeing composed of a second optical material containing a second resin, and provided on the bodyso as to cover the diffraction grating. The first optical material has a refractive index which is smaller than a refractive index of the second optical material; the refractive index of the first optical material has a wavelength dispersion which is greater than a wavelength dispersion of the refractive index of the second optical material; and a difference in solubility parameter between the first resin and the second resin is no less than 0.8 [cal/cm]and no more than 2.5 [cal/cm].

Diffractive optical element and manufacturing method thereof

According to a method for producing a diffraction optical element, the center of a molding face and the center of a substrate are positionally aligned to each other based on a marker of a prescribed shape which is formed at the center of the molding face of a mold and the shape of a diffraction grating of the substrate. A nanocomposite material is located between the molding face and the diffraction grating, and the material is pressed by the mold and the substrate to form an optical adjusting layer on the diffraction grating.

Method for producing diffractive optical element, and diffractive optical element, including a diffraction grating and molded optical adjusting layer

A second region () composed of a plane is formed around a first region () having a lens function, and a third region () is formed between the first region and the second region. A protection film () is formed on the surface of the first region. The first region is protruded relative to the second region, the third region is formed throughout the rim of the first region, and the surface of the third region is recessed relative to a virtual curved surface () that is a curved surface along the surface shape of the first region being extended to the second region. Consequently, it is possible to form throughout the first region a protection film having a surface shape that substantially matches the surface shape of the first region.

Lens having protection film and method for manufacturing such lens

In a piezoelectric element, an adhesive layeris provided on a substrate, a first electrode layermade of a noble metal containing titanium or titanium oxide is provided on the adhesive layer, and an orientation control layerthat is preferentially oriented along a (100) or (001) plane is provided on the first electrode layer. In the vicinity of a surface of the orientation control layerthat is closer to the first electrode layer, a (100)- or (001)-oriented region extends over titanium or titanium oxide located on one surface of the first electrode layerthat is closer to the orientation control layer, and the cross-sectional area of the region in the direction perpendicular to the thickness direction gradually increases in the direction away from the first electrode layertoward the opposite side. Further, a piezoelectric layerthat is preferentially oriented along a (001) plane is provided on the orientation control layer

Piezoelectric element, ink jet head, angular velocity sensor, method for manufacturing the same, and ink jet recording apparatus

A piezoelectric element includes a first electrode film; a piezoelectric layered film including a first piezoelectric thin film formed on the first electrode film and a second piezoelectric thin film formed on the first piezoelectric thin film; and a second electrode film formed on the second piezoelectric thin film. Each of the first and second piezoelectric thin films is an aggregate of columnar grains grown unidirectionally along the thickness direction of the piezoelectric layered film. The Pb content of the first piezoelectric thin film is smaller than the Pb content of the second piezoelectric thin film. A columnar grain of the second piezoelectric thin film has a larger average cross-sectional diameter than an average cross-sectional diameter of a columnar grain of the first piezoelectric thin film. A ratio of the thickness of the piezoelectric layered film to the average cross-sectional diameter of the second piezoelectric thin film is not less than 20 and not more than 60.

Piezoelectric element, method for fabricating the same, inkjet head, method for fabricating the same, and inkjet recording apparatus

In a piezoelectric elementa first electrode layermade of an alloy of at least one metal selected from the group consisting of cobalt, nickel, iron, manganese and copper and a noble metal is formed on a silicon substrateand a piezoelectric layermade of a rhombohedral or tetragonal perovskite oxide (e.g., PZT) is formed on the first electrode layerso that the piezoelectric layeris preferentially oriented along the (001) plane.

First, a first electrode layer, a piezoelectric layer, a second electrode layerand an oscillation layerare stacked in this order over one surface of a silicon substrate. Next, an ink chamber partitionand a nozzle plateare stacked over the oscillation layer. Subsequently, the silicon substrateis ground away to a predetermined thickness from a surface thereof opposite to the first electrode layer, and then a remnant silicon substrateis dry etched away. Thereafter, the first electrode layeris patterned to form a plurality of inkjet mechanisms, . . . . Finally, the plurality of inkjet mechanisms, . . . are divided to simultaneously fabricate a plurality of inkjet heads

Method of fabricating an inkjet head

In a piezoelectric element, a first electrode layermade of an alloy of at least one metal selected from the group consisting of cobalt, nickel, iron, manganese and copper and a noble metal is formed on a silicon substrate, and a piezoelectric layermade of a rhombohedral or tetragonal perovskite oxide (e.g., PZT) is formed on the first electrode layerso that the piezoelectric layeris preferentially oriented along the (001) plane.

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Osaka, Japan

Akiko Murata