Patent classifications
H01C7/043
Electronic Component for Limiting the Inrush Current, and Use of an Electronic Component
An electronic component is disclosed. In an embodiment, an electronic component includes at least one NTC element and at least two electrically conductive contact elements, wherein the NTC element is electrically conductively connected to a respective contact element via a connection material, and wherein a coefficient of thermal expansion of the contact elements is adapted to a coefficient thermal expansion of the NTC element.
PRINTED TEMPERATURE SENSOR
A printed temperature sensor (10) comprising a substrate (1) with an electrical circuit (2) comprising a pair of electrodes (2a, 2b) separated by an electrode gap (G). A sensor material (3) is disposed between the electrodes (2a, 2b) to fill the electrode gap (G), wherein the sensor material (3) comprises semi-conducting micro-particles (3p) comprising an NTC material with a negative temperature coefficient (NTC), wherein the micro-particles (3p) are mixed in a dielectric matrix (3m) functioning as a binder for printing the sensor material (3); wherein the micro-particles (3p) contact each other to form an interconnected network through the dielectric matrix (3m), wherein the interconnected network of micro-particles (3p) acts as a conductive pathway with negative temperature coefficient between the electrodes (2a, 2b).
NTC compound, thermistor and method for producing the thermistor
An NTC compound, a thermistor and a method for producing a thermistor are disclosed. In an embodiment an NTC compound includes a ceramic material of a MnNiO system as a main constituent, wherein the MnNiO system has a general composition Ni.sub.xMn.sub.2O.sub.4-, wherein y corresponds to a molar fraction of Ni of a total metal content of the ceramic material of the MnNiO system, which is defined as c(Ni):(c(Ni)+c(Mn)), and wherein the following applies: 0.500<x<0.610 and 0.197<y<0.240.
THERMISTOR SINTERED BODY AND THERMISTOR ELEMENT
A thermistor sintered body that can control a B constant at 1000 C. to the same level as that of a conventional wide range type. The thermistor sintered body according to the present invention has a composite structure that includes a Y.sub.2O.sub.3 phase and a Y(Cr, Mn)O.sub.3 phase or a YMnO.sub.3 phase. In the thermistor sintered body according to one aspect of the present invention, a chemical composition of Cr, Mn, Ca and Y excluding oxygen is Cr: 3 to 9 mol %, Mn: 5 to 15 mol %, Ca: 1 to 8 mol % (where Cr/Mn<1.0), and the balance being unavoidable impurities and Y. In the thermistor sintered body, the B constant (B(0/1000)) determined by the following Expression (1) is 2400 K or lower; B=(ln Rmln Rn)/(1/Tm1/Tn) . . . (1). Rm: resistance value at 0 C., Rn: resistance value at 1000 C., Tm: 0 C., and Tn: 1000 C.
ELECTRONIC COMPONENT
An electronic component that includes: a base body; wiring inside the base body; a glass film covering an outer surface of the base body; an underlying electrode electrically connected to the wiring and covering a part of the glass film; and a metal layer covering the underlying electrode, wherein the glass film includes an uncovered portion that is not covered with the underlying electrode and separated from an outer edge of the underlying electrode by more than 10 ?m, and a boundary portion that is not covered with the underlying electrode and not separated from the outer edge of the underlying electrode by more than 10 ?m, and a thickness of the boundary portion is larger than a thickness of the uncovered portion.
TEMPERATURE SENSOR
A temperature sensor that includes an organic-inorganic composite negative temperature coefficient thermistor and a transistor. The organic-inorganic composite negative temperature coefficient thermistor includes a thermistor layer which includes spinel-type semiconductor ceramic composition powder containing Mn, Ni and Fe and an organic polymer component, and a pair of electrode layers. The semiconductor ceramic composition powder has a molar ratio of Mn to Ni of 85/15Mn/Ni65/35 and a Fe content of 30 parts by mole or less when a total molar amount of Mn and Ni is regarded as 100 parts by mole, and has a peak with a local maximum value of around 29 to 31 in its X-ray diffraction pattern, a half width of which peak is 0.15 or more. The transistor is electrically connected with either one of the pair of electrode layers.
Method for producing an electrical component
A method for producing an electrical component is disclosed. In an embodiment the method includes providing a carrier element providing a material having a temperature-dependent resistance, applying the material on a surface of the carrier element for producing a resistance layer on the carrier element and subsequently sintering the resistance layer for linking the resistance layer to the carrier element.
Hybrid device structures including negative temperature coefficient/positive temperature coefficient device
A hybrid device, comprising: a first electrode, disposed on a first side of the hybrid device, a second electrode, disposed on a second side of the hybrid device, opposite the first side. The hybrid device may further include at least one layer, disposed between the first electrode and the second electrode, the at least one layer comprising a negative temperature coefficient material and a plurality of conductive particles, wherein the hybrid device exhibits a positive temperature coefficient characteristic and a negative temperature coefficient characteristic.
Sensor Element and Method for Producing a Sensor Element
A sensor element and a method for producing a sensor element are disclosed. In an embodiment a sensor element for temperature measurement includes a ceramic carrier and at least one NTC layer printed on the carrier, wherein the NTC layer covers at least part of a surface of the carrier, and wherein the sensor element is designed for wireless contacting.
CERAMIC MATERIAL AND RESISTIVE ELEMENT
A ceramic material has a composition represented by the formula: La-.sub.1-x-yAE.sub.yMnO.sub.3 in which AE is at least one of Ca and Sr; x satisfies 0<x about 0.20; and y satisfies 0<yabout 0.10.