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| Number | Title | Issue Date |
| 8179225 | Ceramic electronic component, manufacturing method of ceramic electronic component, and packaging method of ceramic electronic components A ceramic electronic component has a chip element body having a conductor arranged inside, external electrodes, and a discrimination layer. The chip element body has first and second end faces facing each other, first and second side faces being perpendicular to the... | 05/15/2012 |
| 8174353 | Varistor and varistor apparatus A varistor comprises a main body having first and second external terminals formed on the outer surface thereof, a first withdrawn terminal plate joined to the first external terminal, and a second withdrawn terminal plate joined to the second external terminal, whe... | 05/08/2012 |
| 8164413 | Electric insulation arrangement An electric insulation arrangement including a field grading material including a matrix including a dielectric material. A plurality of micro varistor particles is distributed in the matrix. A plurality of bridge particles include an electrically conducting materia... | 04/24/2012 |
| 8130071 | Varistor comprising an insulating layer produced from a loading base glass A varistor includes a ceramic base body having a surface. The varistor also includes an insulating layer on at least a portion of the surface of the ceramic base body. The insulating layer includes a base glass and filler. The filler includes 3Al2O3 | 03/06/2012 |
| 8125308 | Relocatable power tap with surge suppression or surge protection and a method for its manufacture A relocatable power tap includes surge suppression or surge protection for affording improved safety, in which the metal oxide varistors (“MOVs”) of the surge protectors or surge suppressors are encased in cement or concrete, and which relocatable power tap is p... | 02/28/2012 |
| 8058965 | Electrical multilayer component with reduced parasitic capacitance An electrical multi-layer component includes a body having a stack of ceramic layers, with a top and a bottom. First and second connection surfaces are on the bottom of the body. Electrode surfaces are in metallization layers among the ceramic layers. Via contacts a... | 11/15/2011 |
| 8044761 | Varistor A varistor 1 comprises a varistor element 10, a pair of external electrodes 30a, 30b on one main side of the varistor element 10 and a resistor 60 on the same main side, wherein the resistor 60 is formed... | 10/25/2011 |
| 7994893 | Varistor A varistor has a ceramic composition to exhibit nonlinear voltage-current characteristics, and at least two electrodes arranged to sandwich at least a portion of the ceramic composition. The ceramic composition contains a mixture phase in which a first phase contain... | 08/09/2011 |
| 7994894 | Varistor A varistor having a favorable heat-dissipating property is provided. In the varistor, a composite part having a favorable heat-dissipating property formed by a composite material composed of ZnO and Ag is arranged between main faces of a varistor matrix. Ther... | 08/09/2011 |
| 7973638 | Voltage non-linear resistor ceramic composition and multilayer varistor using the same A voltage non-linear resistor ceramic composition has ZnO as a main component and is represented by the general formula (1−x)ZnO+x[Sr1−yMy]1−a[Co1−zAz]1+aO3. Here, M is at least one... | 07/05/2011 |
| 7969276 | Thin film varistor array A method of forming a thin film varistor array includes creating a metal-metal oxide-metal layer stack without breaking vacuum. The stack is patterned as a plurality of bus lines, each having a plurality of varistor islands formed thereon. ... | 06/28/2011 |
| 7969277 | Nonlinear resistor ceramic composition, electronic component, and multilayer chip varistor A nonlinear resistor ceramic composition has a major component containing zinc oxide, a first minor component containing an oxide of a rare-earth metal, a second minor component containing an oxide of Ca, and a third minor component containing an oxide of Si. A perc... | 06/28/2011 |
| 7940155 | Varistor and electronic component module using same A varistor includes a ceramic substrate having an insulating property, a varistor layer provided on the ceramic substrate and mainly containing zinc oxide, a first glass ceramic layer provided on the second surface of the varistor layer, first and second internal el... | 05/10/2011 |
| 7932806 | Varistor and light emitting device In a varistor, a heat radiating portion contains the same components as ZnO that is the main component of a varistor element body, as metal oxides, thereby, the structural components of the varistor element body and the heat radiating portion are caused to be common... | 04/26/2011 |
| 7932807 | Varistor A first varistor section includes a first face of an element body, and a third face facing the first face. The first varistor section has a first varistor element body, a first varistor electrode electrically connected to a first external electrode, and a second var... | 04/26/2011 |
| 7864025 | Component with countermeasure to static electricity There is provided a static electricity countermeasure component including a varistor layer having a plurality of inner electrodes of a planer shape, embedded therein a board including alumina laminated with the varistor layer, and a terminal connected to the inner e... | 01/04/2011 |
| 7847672 | Varistor comprising an insulating layer produced from a loading base glass A varistor includes a ceramic base body having a surface. The varistor also includes an insulating layer on at least a portion of the surface of the ceramic base body. The insulating layer includes a base glass and filler. The filler includes 3Al2O3 | 12/07/2010 |
| 7843308 | Direct application voltage variable material A first voltage variable material (“VVM”) includes an insulative binder, first conductive particles with a core and a shell held in the insulating binder and second conductive particles without a shell held in the insulating binder; a second VVM includes an insu... | 11/30/2010 |
| 7830239 | Device to protect against a surge voltage and an electronic apparatus including the same A device to protect against a surge voltage includes a body having a hexahedron shape and filled with a varistor material, a pair of input signal electrodes attached to a first side surface of the body along upward and downward directions, a pair of output signal el... | 11/09/2010 |
| 7808364 | Varistor protection cover and varistor device A protection cover used for avoiding the influence brought about by the temperature effect of a varistor is proposed. The protection cover is made of ceramic or refractory material, and is used to bear high temperature generated when a metal oxide varistor breaks do... | 10/05/2010 |
| 7741949 | Varistor A varistor includes a ceramic insulating substrate, a varistor section having an outer surface, and first and second external electrodes provided on the outer surface of the varistor section. The varistor section includes a varistor layer on the ceramic insulating s... | 06/22/2010 |
| 7724124 | Ceramic material used for protection against electrical overstress and low-capacitance multilayer chip varistor using the same A low-capacitance multilayer chip varistor has capacitance lower than 0.5 pF at 1 MHz and has a characteristic of resisting more than thousands of times of 8 KV electrostatic shock, which comprises a ceramic main body, outer electrodes disposed at two ends of the ce... | 05/25/2010 |
| 7724123 | Varistor and method of producing varistor A varistor is provided with a varistor element, and an external electrode disposed on the varistor element. The varistor element contains ZnO as a principal ingredient and contains a rare-earth element and Ca. The external electrode is formed by baking on an outer s... | 05/25/2010 |
| 7705709 | Varistor and light-emitting apparatus A varistor comprises a varistor portion, a metal portion, and buffer portion. The varistor portion has a varistor element body exhibiting a nonlinear current-voltage characteristic and two electrode portions. The metal portion has a thermal conductivity higher than ... | 04/27/2010 |
| 7705708 | Varistor and method of producing the same A varistor has a varistor element body, and an external electrode disposed on the varistor element body. The varistor element body contains ZnO as a principal component, and a rare-earth metal. The external electrode has an electrode layer. The electrode layer is fo... | 04/27/2010 |
| 7688177 | Varistor and light-emitting apparatus A varistor comprises a varistor element body, first and second inner electrodes opposing each other, a first outer electrode connected to the first inner electrode physically and electrically, a second outer electrode connected to the second inner electrode physical... | 03/30/2010 |
| 7683753 | Voltage non-linear resistance ceramic composition and voltage non-linear resistance element As for the voltage non-linear resistance element layer 2, sintered body (ceramics) having ZnO as main component is used. Said sintered body comprises Pr, Co, Ca and Na are added. Therefore, the ranges are 0.05 to 5.0 atm % of Pr, 0.1 to 20 atm % of Co, 0.01 t... | 03/23/2010 |
| 7649435 | Multilayer chip varistor A multilayer chip varistor comprises a multilayer body in which a plurality of varistor portions are arranged along a predetermined direction, and a plurality of terminal electrodes. Each varistor portion has a varistor layer to exhibit nonlinear voltage-current cha... | 01/19/2010 |
| 7649436 | Varistor body and varistor A preferred varistor body has a structure of alternately laminated internal electrode layer and varistor layer made of a varistor material. The varistor layer has a composition containing Zn, Co, Pr, Li, and Zr. The analysis of varistor body in the depth direction f... | 01/19/2010 |
| 7642892 | Negative voltage coefficient resistor and method of manufacture In one aspect, a negative voltage coefficient resistor is provided. The negative voltage coefficient resistor includes an insulative layer positioned between a polycrystalline silicon resistive layer and a silicide layer. Upon application of an appropriate voltage b... | 01/05/2010 |
| 7623020 | Multilayer ceramic electronic component A multilayer ceramic electronic component includes a multilayer body, a first internal electrode provided in the multilayer body, and a second internal electrode provided in the multilayer body and facing the first internal electrode. The multilayer body includes a ... | 11/24/2009 |
| 7623019 | Varistor with three parallel ceramic layer The present invention discloses a varistor which comprises three parallel ceramic layers. Each of the ceramic layers has two electrodes on both sides thereof. Four leads are properly arranged between and outside surfaces of the ceramic layers to contact with these e... | 11/24/2009 |
| 7609141 | Flexible circuit having overvoltage protection A first voltage variable material (“VVM”) includes an insulative binder, first conductive particles with a core and a shell held in the insulating binder and second conductive particles without a shell held in the insulating binder; a second VVM includes an insu... | 10/27/2009 |
| 7541910 | Multilayer zinc oxide varistor A multilayer zinc oxide varistor without bismuth oxide system ingredients, and having variable breakdown voltages by controlling the thickness of the ceramic material; the varistor is bismuth-free and composed of zinc oxide as the primary constituent with alkaline e... | 06/02/2009 |
| 7525409 | Method of manufacturing a varistor A varistor including a varistor body with two parallel end faces made of a material that contains one or more metal oxides, and at least one electrode made of an electrically conductive electrode material arranged on any of the end faces of the varistor body. The el... | 04/28/2009 |
| 7423512 | Zinc oxide particles A collection of zinc oxide nanoparticles have been produced by laser pyrolysis. The zinc oxide nanoparticles have average particle diameters of less than about 95 nm and a very narrow particle size distribution. The laser pyrolysis process is characterized by the pr... | 09/09/2008 |
| 7375943 | Tri-phase surge protector and its manufacturing method A tri-phase surge protector comprises a first zinc oxide ceramic body; a first electrode layer on a surface of the first zinc oxide ceramic body and having a first electrode, and the first electrode includes a first terminal; a second electrode layer on another surf... | 05/20/2008 |
| 7372357 | Varistor body and varistor A preferred varistor body 2 has a structure of alternately laminated internal electrode layer 12 and varistor layer 14. The varistor layer 14 has a composition containing ZnO as the main component, and Co, Pr, and Zr as the auxiliary comp... | 05/13/2008 |
| 7362209 | Zinc oxide resistor and its manufacturing method Disclosed are a zinc oxide resistor structure, and methods of forming a glass layer and a resistor, which are required for producing the resistor structure. The zinc oxide resistor comprises zinc oxide grains and an oxide glass layer which contains bismuth and boron... | 04/22/2008 |
| 7361204 | Generator for flux specific bursts of nano-particles Methods, systems and apparatus for producing a variable, known number of nanoparticles of various materials in an expanding mist in a vacuum or enclosure. The configurations allow for this mist of small particles to be produced in bursts, at repetition rates over a ... | 04/22/2008 |
