Patent classifications
H01C7/00
Chip component
A chip resistor including: a rectangular parallelepiped insulating substrate; a strip-shaped resistor; a pair of front electrodes formed on a front surface of the resistor at both ends in the longitudinal direction; an insulating protective layer; and a pair of end face electrodes formed at both ends of the insulating substrate in the longitudinal direction, each of which is connected to each end face of the resistor, corresponding one of the front electrodes, and protective film; and a pair of external electrodes, wherein a cross-sectional shape of each of the front electrodes is almost a triangle in which a side of the end face has a maximum height, and a shape of an end face of each of the end face electrodes is almost a square.
CHIP RESISTOR STRUCTURE
A chip resistor structure includes a substrate; a pair of first electrodes disposed opposite to each other on a first surface of the substrate at a first interval; a resistance layer disposed between the pair of first electrodes on the first surface; a spacer layer made of a material having a composition different from that of the resistance layer, disposed over the pair of first electrodes; a protective layer overlying the resistance layer; and a plating layer electroplated onto the pair of first electrodes and the spacer layer, and having ends extending beyond the pair of first electrodes terminate at least over the spacer layer. The plating layer may be joined with or spaced from or climb up to the protective layer on or above the spacer layer.
CHIP RESISTOR AND METHOD OF MANUFACTURING CHIP RESISTOR
A chip resistor includes: an insulating substrate; a pair of front electrodes; a resistor connecting between both the front electrodes; an undercoat layer provided on the resistor; an overcoat layer provided on the undercoat layer, an auxiliary film provided so as to be over a connecting portion between the front electrode and the resistor at a position away from an end face of the insulating substrate; a pair of end face electrodes; and a pair of external plating layers covering the end face electrodes, the front electrodes, and the auxiliary film, wherein the auxiliary film is formed of a resin material containing metal particles, and a portion of the auxiliary film is sandwiched between the undercoat layer and the overcoat 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.
METHOD AND APPARATUS RELATED TO CONTROLLABLE THIN FILM RESISTORS FOR ANALOG INTEGRATED CIRCUITS
An integrated circuit die includes a silicon chromium (SiCr) thin film resistor disposed on a first oxide layer. The SiCr thin film resistor has a resistor body and a resistor head. A second oxide layer overlays the SiCr thin film resistor. The second oxide layer has an opening exposing a surface of the resistor head. A metal pad is disposed in the opening in the second oxide layer and is contact with the surface of the resistor head exposed by the opening. Further, an interlevel dielectric layer is disposed on the second oxide layer overlaying the SiCr thin film resistor. A metal-filled via extends from a top surface of interlevel dielectric layer through the interlevel dielectric layer and contacts the metal pad disposed in the opening in the second oxide layer.
Soft starter for high-current electric devices
An inrush current limiting circuit in aspects of the present disclosure may have one or more of the following features: a printed circuit board, an electrical input disposed on the circuit board, one or more electrical outputs disposed on the circuit board, a current limiting circuit connected between the electrical input and the one or more electrical outputs, at least one microcontroller connected within the current limiting circuit, at least one current sensor connected within the current limiting circuit, one or more current limiting components within the current limiting circuit for increasing voltage and current over time from the electrical input to the one or more electrical outputs by operation of the current sensor and the microcontroller.
CHIP RESISTOR
A chip resistor includes a substrate, a first electrode, a second electrode, a first resistor body, a second resistor body, and a connection electrode. The substrate includes a first primary surface. The first electrode includes a first terminal electrode and a first auxiliary electrode. The second electrode includes a second terminal electrode and a second auxiliary electrode. The first auxiliary electrode has a larger area than the first terminal electrode and the second auxiliary electrode has a larger area than the second terminal electrode, in plan view of the first primary surface of the substrate.
RESISTOR
A resistor includes a resistive element, an insulation plate, a protective film, and a pair of electrodes. The resistive element includes a first face and a second face arranged to face in opposite directions in a thickness direction. The insulation plate is on the first face, and the protective film on the second face. The electrodes are spaced apart in a first direction perpendicular to the thickness direction, and held in contact with the resistive element. Each electrode includes a bottom portion opposite to the insulation plate with respect to the resistive element in the thickness direction. Each bottom portion overlaps with a part of the protective film as viewed in the thickness direction. The resistor further includes a pair of intermediate layers spaced apart in the first direction. The intermediate layers are formed of a material electrically conductive and containing a synthetic resin. Each intermediate layer includes a cover portion covering a part of the protective film. The cover portion of each intermediate layer is disposed between the protective film and the bottom portion of one of the electrodes.
RESISTOR
A resistor includes a resistive element, an insulation plate, a protective film, and a pair of electrodes. The resistive element includes a first face and a second face arranged to face in opposite directions in a thickness direction. The insulation plate is on the first face, and the protective film on the second face. The electrodes are spaced apart in a first direction perpendicular to the thickness direction, and held in contact with the resistive element. Each electrode includes a bottom portion opposite to the insulation plate with respect to the resistive element in the thickness direction. Each bottom portion overlaps with a part of the protective film as viewed in the thickness direction. The resistor further includes a pair of intermediate layers spaced apart in the first direction. The intermediate layers are formed of a material electrically conductive and containing a synthetic resin. Each intermediate layer includes a cover portion covering a part of the protective film. The cover portion of each intermediate layer is disposed between the protective film and the bottom portion of one of the electrodes.
THIN-FILM RESISTOR (TFR) MODULE INCLUDING A TFR ELEMENT FORMED IN A METAL CUP STRUCTURE
A thin film resistor (TFR) module includes a metal cup structure, a dielectric liner region, a TFR element, and a pair of TFR heads electrically connected to the TFR element. The metal cup structure includes a laterally-extending metal cup base and multiple metal cup sidewalls extending upwardly from the laterally-extending metal cup base. The dielectric liner region is formed in an opening defined by the metal cup structure. The TFR element is formed in an opening defined by the dielectric liner region, wherein the TFR element is insulated from the metal cup structure by the dielectric liner region.