Abstract: A laminated electronic component includes a laminate formed by alternately layering multiple internal electrodes and dielectrics, with the internal electrodes alternately exposed on the respective end faces of the laminate and two sets of external electrodes formed on them, wherein the external electrodes have a cermet layer that is film-formed by the sputtering method. Stable ESR (Equivalent Series Resistance) can be set over a wide range by changing the composition and film thickness of the cermet layer. In addition, ESR can be added that ensures low temperature coefficient and resistance to the impact of humidity change.

Abstract: An acoustic wave device includes: a piezoelectric thin film resonator including: a substrate; a lower electrode formed on the substrate; at least two piezoelectric films formed on the lower electrode; an insulating film sandwiched by the at least two piezoelectric films; and an upper electrode formed on the at least two piezoelectric films, wherein an area of the insulating film within a resonance region, in which the lower electrode and the upper electrode face each other across the at least two piezoelectric films, is different from an area of the resonance region.

Abstract: One object is to provide a porous capacitor having an improved mechanical strength and a method of manufacturing the porous capacitor. In accordance with one aspect, the porous capacitor has a first conductor layer a second conductor layer opposed to each other at a certain distance, a dielectric layer made of an oxidized valve metal and disposed between the first conductor layer and the second conductor layer, a large number of holes in the dielectric layer substantially orthogonal to the first conductor layer and the second conductor layer, first and second electrodes made of a conductive material filled in the holes, insulators for electrically insulating the first electrodes from the second conductor layer and the second electrodes from the first conductor layer, wherein the levels of the ends of the first and/or second electrodes electrically insulated from the second and/or first conductor layers are uneven with each other.

Abstract: A laminated inductor includes: a laminate constituted by multiple insulator layers; external electrodes formed on the outside of the laminate; and a coil conductor formed spirally inside the laminate, wherein the coil conductor has leaders that electrically connect to the external electrodes and a coil body other than the leaders, wherein the coil conductor has conductive patterns formed on the insulator layers, and via hole conductors that penetrate through the insulator layers and electrically connect the multiple conductor patterns, wherein all of the conductor patterns constituting the coil body are either a C-shaped pattern or line-shaped pattern, wherein the coil body has a partial structure where two or more C-shaped pattern layers are stacked together successively, and wherein the number of C-shaped patterns in the coil body is greater than that of line-shaped patterns.

Abstract: A laminated inductor includes a laminate constituted by multiple insulator layers, and a coil conductor formed in a spiral shape inside the laminate; wherein the coil conductor has conductor patterns formed on the insulator layers, and via hole conductors that penetrate through the insulator layers and electrically connect the multiple conductor patterns; wherein conductor patterns formed on some insulator layers each represent a C-shaped pattern that includes the four corners and has an open part on one side, of a roughly rectangular shape, while a conductor pattern formed on other insulator layer(s) represents a line-shaped pattern corresponding to the open part of one side of the aforementioned C-shaped pattern of the roughly rectangular shape; and wherein an insulator layer on which the C-shaped pattern is formed, and insulator layer(s) on which the line-shaped pattern is formed, adjoin each other at least in one part of the laminate.

Abstract: A filter circuit includes: a filter element having a first terminal connected to an antenna, a second terminal connected to a receiving circuit, and a third terminal connected to a transmission circuit; a first inductor, a second inductor, and a third inductor connected in series between the first terminal and the third terminal of the filter element; a fourth inductor that has one end connected to a connecting node connecting the first inductor and the second inductor and that has the other end grounded; and a fifth inductor that has one end connected to a connecting node connecting the second inductor and the third inductor and that has the other end grounded.

Abstract: An object of the present invention is to provide a recordable recording medium that suppresses increase in terminal noise and does not generate a BCA signal read error. The present invention provides a recordable optical recording medium comprising a substrate as well as at least a reflection layer, recording layer and light transmission layer provided on the substrate, wherein the recording layer of said optical recording medium contains (a) an azo metal complex dye and (b) another dye whose DSC decomposition heat value is 50 cal/g to 200 cal/g and ?max in TFP solution is 250 to 400 nm.

Abstract: An object of the present invention is to provide a recordable optical recording medium whose characteristics do not deteriorate when recording is conducted in a high-temperature environment. The present invention provides a recordable optical recording medium comprising a substrate as well as at least a reflection layer, recording layer and light transmission layer provided on the substrate, wherein the recording layer of said optical recording medium contains (a) an azo metal complex dye and (b) ionic organic compound containing a heteroaromatic quaternary ammonium ion.

Abstract: An acoustic wave device includes: a substrate; an input terminal that is located on a first surface of the substrate, and to which a high-frequency signal is input; a resonator that is connected to the input terminal, and to which a high-frequency signal input to the input terminal is input; and an insulating layer that is located between the input terminal and the substrate, and has a permittivity smaller than that of the substrate.

Abstract: An object of the present invention is to provide a recordable optical recording medium whose characteristics do not deteriorate when recording is conducted in a high-temperature environment. The present invention provides a recordable optical recording medium comprising a substrate as well as at least a reflection layer, recording layer, and light transmission layer provided on the substrate, wherein the recording layer of said optical recording medium contains (a) an azo metal complex dye and (b) another dye whose decomposition temperature is 240° C. to 360° C.

Abstract: Provided is a front end module which is provided with an output terminal shared in a plurality of frequency bands and in which insertion losses are suppressed. A front end module in an embodiment includes an antenna terminal, an output terminal, and a switch for selectively connecting the antenna terminal to a first band pass filter configured to cause a signal of a first pass band to pass therethrough or a second band pass filter configured to cause a signal of a second pass band, which is different from the first pass band, to pass therethrough. The front end module may include a phase shifter arranged between the switch and the first band pass filter.

Abstract: A laminated electronic component with adjacent wires (such as coil conductors) in insulator layers inter-connected through via holes, wherein its laminate is structured in such a way that a coil-embedded layer constituted by first insulator layers and second insulator layers laminated alternately is sandwiched between a top magnetic layer and bottom magnetic layer, with external electrodes formed on both end faces. First coil conductors are formed on the first insulator layers and second coil conductors are formed on the second insulator layers, with these coil conductors connected through via holes. Formed at the end of each second coil conductor is a connection conductor of a size sufficiently large to block off the top of the via hole provided in the insulator sheet.

Abstract: One object is to provide a front-end module with a shared output terminal wherein an input impedance is readily matched and an insertion loss is suppressed. In accordance with one aspect, the front-end module 10 includes an input terminal, output terminals, a first filter circuit that passes signals in a first passband, a second filter circuit that passes signals in a second passband, a switch that is disposed between the input terminal and the first and second filter circuits and selectively connects the input terminal to the first and second filter circuits, and a matching circuit. The second filter circuit includes phase shifters.

Abstract: A fabrication method of an acoustic wave device includes: forming a metal layer between regions that are located on a piezoelectric substrate and in which acoustic wave chips are to be formed, at least a part of a region of the metal layer extending to an extension direction of a dicing line for separating the acoustic wave chips; and scanning the dicing line of the piezoelectric substrate by a laser beam so that the at least a part of the region of the metal layer is not irradiated with the laser beam.

Abstract: A circuit substrate includes: a laminate substrate in which a conductive layer and an insulating layer are laminated; a filter chip that has an acoustic wave filter and is provided inside of the laminate substrate; and a chip component that is provided on a surface of the laminate substrate and is connected to the filter chip, at least a part of the chip component overlapping with a projected region that is a region of the filter chip projected in a thickness direction of the laminate substrate.

Abstract: A lithium-titanium complex oxide in a particulate form whose main ingredient is Li4Ti5O12 contains potassium (K), wherein (SSK/SSTi)/(Ck) is 12 or less and preferably (SSK/SSTi)?(SIK/SITi) is 0.01 or less, where SSK is the K2p peak area of potassium (K) and SSTi is the Ti2p peak area of titanium (Ti) based on X-ray photoelectron spectral measurement of the particle surface, Ck is the content ratio (percent by mass) of potassium (K), SIK is the K2p peak area of potassium (K) and SITi is the Ti2p peak area of titanium (Ti) based on X-ray photoelectron spectral measurement in the interior of the particle. The lithium-titanium complex oxide is suitable for manufacture of high-capacity batteries.

Abstract: A circuit substrate includes: a laminate substrate in which a conductive layer and an insulating layer are laminated; a filter chip that has an acoustic wave filter and is provided inside of the laminate substrate; and an active component that is provided on a surface of the laminate substrate and is connected with the filter chip, at least a part of the active component overlapping with a projected region that is a region of the filter chip projected in a thickness direction of the laminate substrate.

Abstract: A coil-type electronic component having a coil inside or on the surface of a base material is characterized in that the base material of the coil-type electronic component is constituted by a group of soft magnetic alloy grains inter-bonded via oxide layers, multiple crystal grains are present in each soft magnetic alloy grain, and the oxide layers preferably have a two-layer structure whose outer layer is thicker than the inner layer.

Abstract: A laminated common-mode choke coil offering higher insulation reliability has a glass ceramic layer, two spiral internal conductors facing each other and sandwiching the glass ceramic layer in between, and insulation layers sandwiching the two internal conductors, wherein the glass ceramic layer contains segregated Al regions and the maximum dimension t1 of each segregated Al region in the glass ceramic layer, in the layer-thickness direction, is no more than 80% of the distance t0 between the two internal conductors.

Abstract: One of the objects of the present invention is to provide a separator for an electrochemical device, capable of suppressing an increase in a resistance value of a storage element. In accordance with one aspect of the present invention, a separator 16c for an electrochemical device is formed such that plural high porosity portions 16c1 from an upper surface to a lower surface in a thickness direction thereof and plural low porosity portions 16c2 from the upper surface to the lower surface in the thickness direction thereof are arranged in a region which is interposed between a positive electrode 16a and a negative electrode 16b.