conductivity (Total 12860 Patents Found)

This disclosure sets out an induction logging tool enclosed in a cylindrical shell between top and bottom located end connected subs of larger diameter. The ends are larger; they define a standoff distance above a specified minimum to enable operation in a well borehole without centralizers....
A semiconductor transducer structure is fabricated by utilizing varying height diffused layers in a sacrificial wafer. A carrier wafer has a dielectric layer on a top surface which includes a layer of glass. The sacarificial wafer, after beign subject to diffusion of highly doped semiconductor material, exhibits a plur...
This is an electronic storage array used in data processing systems for the storage of information in the form of binary bits. The storage is fabricated in integrated circuit form, typically on a semiconductor chip, each storage cell being contained within a single isolated zone formed in the semiconductor chip. Each s...
A light generating device such as a VCSEL includes a light generation layer, a top reflector, a bottom reflector, and a high thermal conductivity (HTC) layer between the light generation layer and the bottom reflector. The light generation layer is adapted to generate light having a first wavelength. Heat produced at t...
A water-based, carbon filler-dispersed coating formulation for forming a conductive coating film contains (1) a hydroxyalkyl chitosan as a resin binder, (2) a conductive carbon filler, and (3) a polybasic acid or its derivative in a water-based medium containing at least water as a polar solvent. In 100 parts by mass o...
A thermal conductivity measurement apparatus for measuring a thermal conductivity of a one-dimensional material includes a substrate, a vacuum chamber receiving the substrate and four spaced electrodes. The one-dimensional material spans across the four spaced electrodes. A middle part of the one-dimensional material, ...
A vapor electrical conductivity cell with sensing plates mounted on insulrs exposed to the vapor. Vapor condensation on those insulators cause errors in the conductivity measurements. The improvement of the invention keeps the insulators at a temperature higher than the vapor. The leakage errors are therefore reduced ...
AlN-base sintered body with a high thermal conductivity is produced by: preparing a compact of a material comprising 100 parts by weight of aluminum nitride and 0.1-10 parts by weight, calculated on metal element, of at least one component selected from the group consisting of elements of Group 4a, 5a and 6a of t...
An OLED comprises an anode, a hole source, an emissive region, an electron source and a cathode, wherein the materials for the electron source and the hole source are chosen such that the electrical conductivity of these charge carrier sources is greater than the electrical conductivity of the emissive region. In parti...
Polymer antenna structures having low reflectivity and high efficiency are disclosed. Wire antennas can be configured from coaxial cable having center conductors and outer conductors made from conductive polymer. Fabrics can also be configured with conductive polymer antenna elements formed in or on the fabric. The con...
FILM FORMING COATING AGENTS WITH INCREASED ELECTRONIC CONDUCTIVITY CONTAINING (1) ELECTRON DONATORS COMPRISING FILM FORMING POLYMERS CONTAINING AROMATIC OR HETEROCYCLIC RINGS AND ELECTRON REPELLING GROUPS, WHOSE IONIZATION ENERGY (I) IS LESS THAN 8.0 EV. AND (2) ELECTRON ACCEPTORS COMPRISING MONOMERIC, OLEFINICALLY UNS...
Provided is a composite produced by processing a resin composition including a thermoplastic resin and carbon nanotubes. The carbon nanotubes have an I D /I G of 0.01 to 1.0 and the rate of residual length of the carbon nanotubes present in the composite is from 1% to 50%. The composite has the advantage of high condu...
Information recording material sensitive to the action of activating radiation, at least part of the thickness of which. from the surface thereof, consists of a homogeneous dispersion of electrically conductive particles in an insulating binder essentially consisting of a substance or composition having swelling and/or...
Disclosed is an apparatus for sensing the electrical conductivity of fluid wherein when electrodes of the apparatus are exposed to fluid. When the electrodes are exposed to a fluid with a predetermined salinity, a voltage is developed on a capacitor which in turn fires a load, such as a resistive bridge wire. Also disc...
A vacuum insulated refrigerator cabinet comprises an evacuation system for evacuating an insulation space of the cabinet when pressure inside such space is higher than a predetermined value. The cabinet presents sensor means comprising a temperature sensor and a heater both located within the insulation space and a con...
A method is provided for manufacturing a MirrorBit® Flash memory with high conductivity bitlines and shallow trench isolation integration. A hard mask is formed over a substrate and used to form a core trench and a shallow trench isolation (STI) trench. The trenches are filled with an insulating material in an STI fil...
The present invention relates to a heat sink sheet including an adhesive containing a carbon nano-complex and having good heat conductivity. The adhesive having good heat conductivity is coated on a graphite sheet to improve heat conductivity, and an existing adhesive process and adhesive coating process are combined i...
A conductivity modulated MOSFET, having a semiconductor substrate of a first conductivity type, a semiconductor layer of a second conductivity type formed on the semiconductor substrate and having a high resistance, a base layer of the first conductivity type formed in the semiconductor layer, a source layer of the sec...
A method of controlled p-type conductivity in (Al,In,Ga,B)N semiconductor crystals. Examples include {10 1 1} GaN films deposited on {100} MgAl 2 O 4 spinel substrate miscut in the <011> direction. Mg atoms may be intentionally incorporated in the growing semipolar nitride thin film to introduce available elect...
A system and method for monitoring the conductivity of a cooling fluid flowing in a fuel cell system on a vehicle including a chassis. The fuel cell system includes a fuel cell stack electrically coupled to a stack bus and a battery electrically coupled to a propulsion bus. The method includes operating the fuel cell s...
Peracid stable fluorescent active compounds in highly acidic, equilibrium peroxycarboxylic acid sanitizing compositions are disclosed as having improved fluorescent stability allowing for monitoring of peroxycarboxylic acid concentration by conductivity and/or optical sensors. Beneficially, the compositions are also lo...
In accordance with an embodiment of the invention, a thermal barrier coating for inclusion in a thermal barrier coating/environmental barrier coating system (TBC/EBC system) for use on a silicon based substrate is disclosed. The thermal barrier coating comprising up to about 9 mol percent of a stabilizer and up to 91 m...
An impregnating composition for increasing the strength and electrical conduction of graphite and carbon articles, comprises 60-90 percent by volume furfurol or furfuryl alcohol, 5-20 percent by volume anthracene oil, and as a catalyst either 2 to 25 percent by volume phosphoric acid or 5 to 35 percent by volume of tit...
There is disclosed a copper base alloy which contains specified additions of chromium, zirconium, cobalt and/or iron, and titanium as well as methods for the processing of the copper alloy. One method of processing results in a copper alloy having high strength and high electrical conductivity. A second method of proce...
In a method is described for producing an MOS transistor structure with elevated body conductivity, a substrate layer is prepared and body regions are formed therein the body regions defining a main surface of the transistor structure and at least one channel region is also formed. Gate oxide and gate electrodes are fo...
本发明一种高导热大功率LED引线框架及制备方法,涉及半导体发光二极管产品及生产工艺,尤其是高导热大功率半导体发光二极管产品及生产工艺;它包括自下而上的底层,金属保护层,氧化绝缘层和金属导电层;底层是采用高热导率材料石...
The invention discloses a method for improving electric conductivity of a carbon nano tube network, which comprises the following steps of: (1) uniformly distributing carbon nano tubes on the surface of a substrate to form a sample; (2) placing the distributed carbon nano tube sample in a target chamber of an ion beam ...
The invention provides a method for preparing porous catchment sponge brick with thermal-conductivity type zeolite zirconia ceramic microbeads. The method includes: preparing materials including, by weight, 15-20wt% of cement, 60-75wt% of zeolite zirconia porous hollow ceramic microbeads 100-250mum in particle size, 5-...