Patent classifications
H01C17/283
CHIP COMPONENT
A chip component comprises: an insulating substrate on which a resistor serving as a functional element is formed; a pair of internal electrodes (front electrodes, end surface electrodes, and back electrodes) that is formed to cover both end portions of the insulating substrate and connected to the resistor; a barrier layer that is formed on a surface of each of the internal electrodes and mainly composed of nickel; and an external connection layer that is formed on a surface of the barrier layer and mainly composed of tin, and the barrier layer is composed of alloy plating (Ni—P) including nickel and phosphorus, which is formed by electrolytic plating, and a content ratio of phosphorus relative to nickel is set in a range of 0.5% to 5% so that the barrier layer has magnetism.
MULTILAYER VARISTOR AND METHOD OF MANUFACTURING THE SAME
A multilayer varistor includes a sintered body, an internal electrode disposed in the sintered body, a high-resistance layer covering at least part of the sintered body, and an external electrode covering part of the high-resistance layer, the external electrode being electrically connected to the internal electrode. An arithmetic mean roughness of a surface of the high-resistance layer is greater than or equal to 0.06 μm.
Multilayer Component and Process for Producing Multilayer Component
A multilayer component and a mathod for producing a multilayer component are disclosed. In an embodiment the multilayer component includes a ceramic main element being a varistor ceramic and at least one metal structure, wherein the metal structure is cosintered, and wherein the main element is doped with a material of the metal structure in such a way that a diffusion of the material from the metal structure into the main element during a sintering operation is reduced.
CHIP CERAMIC SEMICONDUCTOR ELECTRONIC COMPONENT
A chip ceramic semiconductor electronic component includes a ceramic body including a ceramic semiconductor, and a first surface and a second surface in contact with the first surface, the first outer electrode on the first surface of the ceramic body, and the second outer electrode covering the first outer electrode and extending onto the second surface of the ceramic body, in which an area of a first surface of the first outer electrode is less than about 0.17 mm.sup.2, and a hard particle made of a material harder than the first outer electrode is at the interface between the first and second outer electrodes.
Chip Resistor and Method for Producing Same
The invention is to provide a chip resistor suitable for lowering an initial resistance value. A chip resistor 1 according to the present invention is provided with: an insulating substrate 2; a pair of front electrodes 3 which are provided on a front surface of the insulating substrate 2 so as to face each other with a predetermined interval therebetween; a resistive element 4 which is provided so as to bridge the front electrodes 3; a pair of auxiliary electrodes 5 which are provided so as to cover the front electrodes 3 and overlap end portions of the resistive element 4; and the like. The chip resistor 1 is configured such that: the front electrodes 3 are formed of a material which contains 1 to 5 wt % Pd and the balance Ag; and the auxiliary electrodes 5 are formed of a material which contains 15 to 30 wt % Pd and a metal material (e.g. Au) lower in resistivity than Pd and the balance Ag.
ELECTRONIC COMPONENT AND MANUFACTURING METHOD THEREOF
An electronic component includes external electrodes formed on an external surface of a body to be electrically connected to internal electrodes, and containing metal particles and glass, wherein the metal particles include particles having a polyhedral shape.
MASKING PAPER PROTECTION TECHNOLOGY FOR ELECTRONIC COMPONENT
A spray coating protection method for electronic devices during metallic particle deposition via spraying is disclosed. The spray coating protection method enables selectivity over the size and location of particle deposition. The spray coating protection method is easy for an automation application, in which multiple electronic devices are processed simultaneously, and is suitable for electronic devices of different shapes and sizes. The spray coating protection method provides resistance to high temperature and high pressure during the spraying operation. The spray coating protection method utilizes masking paper, but additional film materials may be used, both to increase the protective strength of the mask and to enable easy placement and subsequent peel off of the masking paper following the spraying process. The masking paper may be made using a die cutting process and is easily placed onto the electronic device surface to ensure zero contamination from hot and high pressure spray particles.
Thermally sprayed thin film resistor and method of making
A thin film resistor formed using thermal spraying techniques in the manufacturing process is provided. A thin film resistor and method of manufacturing a thin film resistor are disclosed including a thermally sprayed resistive element. An alloy bond layer may be applied to a substrate and a thermally sprayed resistive layer is applied to the alloy bond layer by a thermal spraying process to form a thermally sprayed resistive element. The alloy bond layer and the thermally sprayed resistive layer may have the same chemical composition.
Production method for an electrical resistance element and corresponding resistance element
The invention relates to a production method for an electrical resistance element (for example a shunt) with the following steps: —providing a resistance alloy in powder form, and—forming the resistance element from the powdered resistance material. The invention also relates to a correspondingly produced resistance element.
METHOD OF MANUFACTURING THERMISTOR
The present invention is provided with a base electrode layer forming step of forming a base electrode layer on both surfaces of a thermistor wafer formed of a thermistor material, a chip forming step of obtaining a thermistor chip with a base electrode layer by cutting the thermistor wafer to form chips, a protective film forming step of forming a protective film formed of an oxide on an entire surface of the thermistor chip with a base electrode layer, a cover electrode layer forming step of forming a cover electrode layer by applying and sintering a conductive paste on an end surface of the thermistor chip with a base electrode layer, and a conduction heat treatment step of performing a heat treatment such that the base electrode layer and the cover electrode layer are electrically conductive, in which the electrode portion is formed.