Patent classifications
H01C7/042
NEGATIVE TEMPERATURE COEFFICIENT (NTC) THERMISTORS UTILISING TRANSITION METAL DICHALCOGENIDE QUANTUM DOTS
Solution-processed negative temperature coefficient (NTC) thermistor devices include transition metal dichalcogenide (TMDC) quantum dots. The TMDC quantum dots may be formulated into an ink, and the ink may subsequently be deposited on a substrate and processed to form an NTC thermistor. Solution-processed NTC thermistors may be incorporated into RFID tags or as circuit protectors into electronic circuits.
SEMICONDUCTOR RESISTANCE DEVICE
A semiconductor resistance device includes a polysilicon resistance region; a first contact region in the resistance region, the first contact region having the same conductivity type as the resistance region and having a higher impurity concentration than the resistance region; a first wiring electrically connected to one end of the resistance region via a plurality of first vias; and a second wiring electrically connected to the other end of the resistance region via a plurality of second vias. At least one of the plurality of first vias and the plurality of second vias is in contact with the first contact region so as to form a low resistance contact structure, and at least another one of the plurality of first vias and the plurality of second vias forms a high resistance contact structure that has a contact resistance higher than a contact resistance of the low resistance contact structure.
Ceramic electronic component and manufacturing method therefor
A ceramic electronic component includes a ceramic body, baked external electrodes, and plated external electrodes, and glass layers derived from a glass material included in a conductive paste of the baked external electrodes, are provided at interfaces between the baked external electrodes and the ceramic body, such that the glass layers extend from the interfaces between the ceramic body and the baked external electrodes to a surface of the ceramic body that does not contain the baked external electrodes.
Temperature sensor element
A temperature sensor element consists of a temperature sensing unit including: a temperature-sensing ceramic unit; first and second electrodes respectively positioned on first and second surface of the temperature-sensing ceramic unit, the second surface opposing the first surface; first and second intermediate electrodes respectively connecting to the first and second electrodes; and first and second lead lines connected to the first and second electrodes via the first and intermediate electrodes, respectively; and a protective unit surrounding the temperature sensing unit, wherein each of the first lead line and the second lead line includes a lead line core coated with a second layer, the lead line core and the second layer being different materials. The lead lines consist of the lead line cores of a metallic material cheaper than the platinum-based metal, which reduces the production cost of the lead lines.
COMPONENT AND USE OF A COMPONENT
A component having an active volume, the active volume not being centrally positioned along a height of the component, and/or not being centrally positioned along a width of the component. Use of the component is also disclosed. Further aspects relate to a use of the component and to a component. The component can be an NTC thermistor or a PTC thermistor or a temperature measurement element. Use of the component for monitoring a temperature of a battery or in a vehicle is also disclosed.
NTC THIN FILM THERMISTOR AND METHOD FOR PRODUCING AN NTC THIN FILM THERMISTOR
An NTC thin film thermistor that includes at least a first thin film electrode, at least an NTC thin film, and at least a second thin film electrode. A further aspect relates to a method for producing an NTC thin film thermistor.
Method for making an elastomeric conductive nanocomposite
A conductive nanocomposite which contains a mixed polymer matrix which contains a rubber and a polyether, carbon nanoparticles, and transition metal nanoparticles. The conductive nanocomposite has a nonlinear relationship between resistivity and temperature characterized by an exponential increase reaching a peak resistivity followed by an exponential decrease as temperature increases. Also disclosed is a method of forming the conductive nanocomposite involving mixing the components, aging, and pressing. The conductive nanocomposite forms a component of a heater that is self-regulating as a result of the nonlinear relationship between resistivity and temperature of the conductive nanocomposite. The nanocomposite also forms a component of a thermistor.
Elastomeric iron/graphene nanocomposite
A conductive nanocomposite which contains a mixed polymer matrix which contains a rubber and a polyether, carbon nanoparticles, and transition metal nanoparticles. The conductive nanocomposite has a nonlinear relationship between resistivity and temperature characterized by an exponential increase reaching a peak resistivity followed by an exponential decrease as temperature increases. Also disclosed is a method of forming the conductive nanocomposite involving mixing the components, aging, and pressing. The conductive nanocomposite forms a component of a heater that is self-regulating as a result of the nonlinear relationship between resistivity and temperature of the conductive nanocomposite. The nanocomposite also forms a component of a thermistor.
NTC THERMISTOR ELEMENT
An NTC thermistor element includes a thermistor body and a plurality of internal electrodes disposed in the thermistor body and opposing each other. The thermistor body includes a region interposed between adjacent internal electrodes of the plurality of internal electrodes. The region of the thermistor body includes a plurality of crystal grains arranged in succession between the internal electrodes adjacent to each other. The plurality of crystal grains include a first crystal grain, a second crystal grain, and a third crystal grain. The first crystal grain is in contact with one internal electrode of the internal electrodes adjacent to each other. The second crystal grain is in contact with another internal electrode of the internal electrodes adjacent to each other. The third crystal grain is not in contact with the first crystal grain and the second crystal grain.
TEMPERATURE SENSOR ELEMENT
There is provided a temperature sensor element including a pair of electrodes and a temperature-sensitive film disposed in contact with the pair of electrodes, in which the temperature-sensitive film includes a matrix resin and a plurality of conductive domains contained in the matrix resin, and the matrix resin constituting the temperature-sensitive film has a degree of molecular packing of 40% or more, as determined based on measurement by an X-ray diffraction method, according to expression (i): Degree of molecular packing (%)=100×(Area of peak derived from ordered structure)/(Total area of all peaks).