Patent classifications
H01C17/28
Thermistor, method for manufacturing same, and thermistor sensor
Provided is a thermistor which has a smaller change in resistance value between before and after a heat resistance test and from which a high B constant is obtained, a method for manufacturing the same, and a thermistor sensor. The thermistor is a thermistor formed on a substrate and includes: an intermediate stacked portion formed on the substrate; and a main metal nitride film layer formed of a thermistor material of a metal nitride on the intermediate stacked portion, wherein the intermediate stacked portion includes a base thermistor layer formed of a thermistor material of a metal nitride and an intermediate oxynitride layer formed on the base thermistor layer, the main metal nitride film layer is formed on the intermediate oxynitride layer, and the intermediate oxynitride layer is a metal oxynitride layer formed through oxidation of the thermistor material of the base thermistor layer immediately below the intermediate oxynitride layer.
CHIP RESISTOR AND METHOD FOR MANUFACTURING CHIP RESISTOR
Resistive elements are formed in belt shape in regions sandwiched between secondary division prediction lines set onto a large substrate and extending in a direction orthogonal to primary division prediction lines, a plurality of front electrodes disposed facing each other at predetermined intervals on the resistive elements are formed so as to be across the primary division prediction lines, a glass coat layer covering each of the resistive elements and extending in the direction orthogonal to the secondary division prediction lines is formed, a resin coat layer covering an entire surface of the large substrate from a top of the glass coat layer is formed, and after that, the large substrate is diced along the primary division prediction lines and the secondary division prediction lines to obtain individual chip base bodies.
Shunt resistor
A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.
Shunt resistor
A manufacturing method of shunt resistor according to the present invention includes a step of calculating a difference between an initial resistance value and a desired resistance value as a resistance value to be adjusted, a step of providing a plurality of recess forming members capable of forming recesses each having a characteristic size in the surface of a resistive alloy plate, a recess determining step of determining the size and the number of the recesses necessary to be formed at the surface of the resistive alloy plate, and a recess forming step of forming the recesses according to the size and the number determined in the recess determining step by using the corresponding recess forming members.
Electronic component manufacturing method and apparatus
An electronic component manufacturing method includes a blotting process of bringing a conductive paste applied to an end portion of each electronic component body held by a jig into contact with a surface of a surface plate. The blotting process includes simultaneous performance of a distance changing process of changing the distance between an end face of each electronic component body and the surface of the surface plate and a position changing process of changing a two-dimensional position where the end face of the electronic component body is projected on the surface of the surface plate in such a manner that the direction of the movement of two-dimensional position in parallel to the surface of the surface plate successively varies (e.g., along a circular path).
Electronic component manufacturing method and apparatus
An electronic component manufacturing method includes a blotting process of bringing a conductive paste applied to an end portion of each electronic component body held by a jig into contact with a surface of a surface plate. The blotting process includes simultaneous performance of a distance changing process of changing the distance between an end face of each electronic component body and the surface of the surface plate and a position changing process of changing a two-dimensional position where the end face of the electronic component body is projected on the surface of the surface plate in such a manner that the direction of the movement of two-dimensional position in parallel to the surface of the surface plate successively varies (e.g., along a circular path).
Thermistor with protective film and manufacturing method thereof
A thermistor has a thermistor element, a protective film, and an electrode portion. The protective film is formed of a SiO.sub.2 film having a film thickness in a range of 50 nm or more and 1000 nm or less. The protective film is formed in contact with the thermistor element. Alkali metal is unevenly distributed in a region including an interface between the thermistor element and the protective film.
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.
Resistor assembly and method for producing same
A resistor assembly including at least two connector elements and at least one strip-like or plate-like resistor element arranged between the connector elements. The resistor element has an upper side, a lower side and two longitudinal sides parallel to each other. The at least one resistor element is of a material of which the electrical conductivity is lower than the electrical conductivity of the material of the connector elements. The resistor element has, on at least its upper side or at least its lower side, at least one shaped element as a positioning aid.
Resistor assembly and method for producing same
A resistor assembly including at least two connector elements and at least one strip-like or plate-like resistor element arranged between the connector elements. The resistor element has an upper side, a lower side and two longitudinal sides parallel to each other. The at least one resistor element is of a material of which the electrical conductivity is lower than the electrical conductivity of the material of the connector elements. The resistor element has, on at least its upper side or at least its lower side, at least one shaped element as a positioning aid.