34results about How to "Small characteristic deviation" patented technology

Provided is a highly reliable multilayer coil component wherein migration of Ag constituting an inner conductor is controlled, problem of internal stress is relaxed without forming an air gap between a magnetic ceramic layer and an inner conductor layer, DC resistance is lowered, and disconnection of an inner conductor due to a surge is prevented from occurring easily. A metal film (20) is distributed over the surface of an inner conductor (2), so that an air gap does not exist on the interface (A) of the inner conductor (2) including the metal film (20) and a magnetic ceramic (11) on the periphery of the inner conductor, and the interface (A) of the inner conductor (2) and the magnetic ceramic (11) is in a dissociative state. An acid solution containing a metal is infiltrated from the side surface of a magnetic ceramic element via a side gap portion, i.e. a region between the side portion of the inner conductor and the side surface of the magnetic ceramic element, so as to reach the interface of the inner conductor and the magnetic ceramic on the periphery thereof, and thus the metal is deposited on the surface of the inner conductor.

Provided is a nonvolatile semiconductor memory device including a variable resistance element in which a parasitic resistance between the lower electrode and the variable resistance layer included in the variable resistance element is reduced. The nonvolatile semiconductor memory device includes: a substrate; and a variable resistance element formed on the substrate, wherein the variable resistance element includes a lower electrode layer formed on the substrate, a variable resistance layer formed on the lower electrode layer, and an upper electrode layer formed on the variable resistance layer, the lower electrode layer includes at least a first conductive layer and a second conductive layer which is formed on the first conductive layer and is in contact with the variable resistance layer, and the first conductive layer includes an oxidatively degraded layer which is formed on an upper surface of the first conductive layer due to oxidization of the first conductive layer.

To provide a semiconductor device having a memory cell equipped with a control gate electrode and a memory gate electrode adjacent to each other via a charge storage layer and having improved performance. In a semiconductor device having a MISFET including a gate electrode which is a metal gate electrode formed by a so-called gate last process, a control gate electrode and a memory gate electrode which include a memory cell of a split-gate type MONOS memory are formed by fully siliciding a silicon film.

A columnar vibrator (2) that performs open-ended bending vibration is mounted on one main surface of the mounting substrate (12), and a drive detection circuit is mounted across the abdomen centerline (n2) of the bending vibration caused by the resonance of the mounting substrate (12). Use part (13). In addition, the self-resonant frequency of the flexural vibration of the mounting substrate (12) is lower than that of the vibrator (2), and the self-resonant frequency of the flexural vibration after the vibrator (2) and the drive detection circuit parts (13) are mounted is lower than that of the vibrator (2). The self-resonance frequency of the bending vibration of the monomer is high, and is inconsistent with the bending vibration frequency of the vibrator (2). The present invention provides a vibrating top and an electronic device using the vibrating gyroscope with little change in characteristics between the time of characteristic adjustment before cover mounting and the completion time after cover mounting, although it has a thin mounting substrate and can be reduced in height.

A thin-film magnetic head according to the present invention includes: a substrate; at least one magnetic head component formed on the substrate; a multilayer cover coat made of a plurality of cover coats formed on the substrate to cover the at least one magnetic head components; and at least one heating component, which is heated at least during operation of the at least one magnetic head component, the at least one heating component is disposed in the multilayer cover coating, and in the multilayer cover coating, the distance lining The coefficient of thermal expansion of the covercoat layer furthest from the bottom is less than the coefficient of thermal expansion of the covercoat layer closest to the substrate in the multilayer covercoat layer.

Provided is a highly reliable laminated coil component which does not require an opening to be formed between a ferrite layer and an internal conducting layer as conventionally, and enables alleviation of the internal stress between the ferrite layer and internal conducting layer caused by the difference between the firing shrinkage behavior and thermal expansion coefficient. A process is prepared for dissociating the boundary between the internal conductor (2) and the surrounding ferrite (11). This is done by enabling a complexing agent solution to reach a boundary between an internal conductor and ferrite (11) surrounding it by passing it from a side surface (3a) of a ferrite element (3) containing a spiral-shaped coil (4) and then through a side gap part (8). As the complexing agent solution, a solution is used that includes at least one substance selected from a group comprising aminocarboxylic acid and its salt, oxycarboxylic acid and its salt, amine, phosphoric acid and its salt and a lactone compound.

A water-dispersed electrodeposition liquid for forming an insulating coating film, which contains polymer particles, an organic solvent, a basic compound and water, and wherein: the polymer particlesare formed from a polyamic acid having a predetermined structural unit; and the polymer particles have a volume-based median diameter (D50) of 0.08-0.7 mum.

The invention provides a lens drive device, an auto-focusing camera and a mobile terminal device with the camera. The lens drive device provided by the invention comprises a moving body, a fixed body which accommodates the moving body on the inner peripheral side, a drive part which belongs to at least one of the moving body or the fixed body and produces a drive force to drive the moving body to move, and an elastic supporting body which elastically supports the moving body relative to the fixed body. The elastic supporting body comprises a fixed body side part which is fixed on the fixed body, a moving body side part which is fixed on the moving body, and a fine-plate-shaped wrist part which connects the fixed body side part and the moving body side part. The elastic supporting body is a plate-shaped body which uses the thickness direction as the direction of an optical axis. According to the wrist part, the size in the width direction is greater than the size in the thickness direction, and a reversing part is comprised. The reversing part comprises a bent part which is bent and is vertically arranged in the direction of the optical axis along a curved line which passes through a reversing start part and a reversing end part. The elastic supporting body can powerfully reduce characteristic deviation produced by shock and vibration.

The invention provides a transistor with a reduced characteristic deviation. An electric field shielding electrode (54) is disposed between a BL insulating film (53) of a transistor and a BL insulating film (55), and a barrier film (58) is composed of the three layers. The electric field shielding electrode (54) shields the electric field of a drain electrode (T1d), a source electrode (T1s) and a n+-Si film (56). Therefore, in various driven transistors, even if the alignment dislocation of the drain electrode (T1d), the source electrode (T1s) and the n+-Si film (56) is deviated and the overlapping part with an i-Si film (52) is enlarged, the electric field of the part is shielded by the electric field shielding electrode (54), and the characteristic deviation is reduced.

The present invention provides a diaphragm for a microspeaker, and a method of manufacturing the diaphragm. The diaphragm includes several thin film-shaped members made of polymer compounds and laminated mutually, wherein the thin films are engaged by ultrasonic welding program. The method includes preparing a mould, placing a first part on the mould to obtain a first part of the member in a required shape, placing a second part on the first part of the required shape, and welding the first part and the second part by the ultrasonic welding program.

A switching circuit includes: a detection wiring configured to receive a potential changing depending on a current of a first switching element; a first circuit connected between the detection wiringand a first having a first time constant, and making the first wiring follow the potential of the detection wiring; a second circuit connected between the detection wiring and a second wiring, havinga second time constant larger than the first time constant, and making the second wiring fellow the potential of the detection wiring; a potential maintaining circuit configured to maintain the secondwiring at a potential higher than the potential of the first wiring while a current is not flow through the first switching element; and a control circuit configured to turn off the first switching element in a case where the potential of the first wiring exceeds the potential of the second wiring.

A laser irradiation device according to an embodiment of the present invention is provided with: a light source for generating laser light; a projection lens for irradiating a predetermined area of anamorphous silicon thin-film attached to a thin-film transistor with the laser light; and a projection mask pattern which is disposed on the projection lens and which transmits the laser light througha predetermined projection pattern. The laser irradiation device is characterized in that the projection mask pattern includes, in addition to a transmission area corresponding to the predetermined area, an auxiliary pattern which is disposed around the transmission area and which transmits the laser light.