Electrical resistors inventions 11/07

20070273468 - Method for manufacturing srtio3 series varistor using grain boundary segregation: The present invention relates to a method for manufacturing a SrTiO3 series varistor using grain boundary segregation, and more particularly, to a method for manufacturing a SrTiO3 series varistor by sintering a powdered composition in which acceptors such as Al and Fe are added in powdered form and then sintered... Agent: Sterne, Kessler, Goldstein & Fox P.l.l.c.

20070273469 - 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 earth element (Ba) as first additive, at least one of transition elements... Agent: Bacon & Thomas, PLLC

20070262845 - Cement resistor: A resistive element in the form of a bent metal plate is placed in a box-shaped case and has electrodes exposed out of the box-shaped case. A heat radiator in the form of a bent metal plate is also placed in the box-shaped case and has heat radiating electrodes exposed... Agent: Westerman, Hattori, Daniels & Adrian, LLP

20070262846 - Fine line thick film resistors by photolithography: The present invention is directed to a thick film patterned resistor on a substrate and to a method of forming it. The method involves providing a substrate with opposed surfaces, where one surface is coated with a layer of a resistor composition. A photoresist is applied over the layer of... Agent: Nixon Peabody LLP - Patent Group

20070252672 - Temperature probe and method of making the same: A temperature probe assembly is provided. The temperature probe assembly may comprise a housing formed of a first thermally conductive material and having an inner diameter defined by an inner bore, an insert formed of a second thermally conductive material disposed in the inner bore and having an outer diameter... Agent: Tarolli, Sundheim, Covell & Tummino L.L.P.

20070252673 - High precision voltage measuring passive network: A voltage divider for high precision voltage measurement has one or more pair of potentiometers. The wipers of each pair of potentiometers are ganged so that the sum of their resistances relative to a first end of the respective potentiometer is a constant. An output potentiometer or a pair of... Agent: Ware Fressola Van Der Sluys & Adolphson, LLP