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Class 136/239 - Group IV element containing (C, Si, Ti, Ge, Zr, Sn, Hf, Pb)


Subclass of Class 136 - Batteries: thermoelectric and photoelectric
Definition: Apparatus wherein the composition contains carbon, silicon,
No. of patents: 105
Last issue date: 11/29/2011


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NumberTitleIssue Date
4969956Transparent thin film thermocouple
A transparent thin film thermocouple and a method of manufacturing comprig a positive element of indium tin oxide (ITO) and a negative element of indium oxide (In2 O3) formed on a surface by reactive sputtering with the elements bei...
11/13/1990
4963195Electric resistor and a power detector both comprising a thin film conductor
The electric resistor of this invention is comprised of a Si-Ge alloy thin film containing amorphous and microcrystal phases which serve as an electric resistance, thereby keeping the resistance value ratio substantially constant and uninfluenced by frequ...
10/16/1990
4938244Temperature difference detecting element using semiconductive ceramic material
A temperature difference detecting element utilizing thermoelectromotive force which is generated by a Seebeck effect when temperature gradients are applied to a semiconductive ceramic material. A substrate has a plurality of thermoelements. Each thermoel...
07/03/1990
4929282Silver, thallium, copper and tellurium-based thermoelectrical semiconductive thermoelectric material, preparation and application to thermoelectric converters
Silver, thallium, copper and tellurium-based thermoelectric semiconductor materials, characterized in that they are represented by the general formula (I) Agx Cuy T1Te1+z (I) wherein, x, y and z veri...
05/29/1990
4922822Thermoelectric cooler
A thermoelectric cooler device having thermoelectric elements of n and p type semiconductor material arranged in rows and columns between insulating substrates of alumina or beryllia, or ceramic materials having a known emissivity is coated with material(...
05/08/1990
4849033Annealing Group III-V compound doped silicon-germanium alloy for improved thermo-electric conversion efficiency
The thermoelectric conversion efficiency of a GaP dope SiGe alloy is improved about 30 percent by annealing the alloy at a temperature above the melting point of the alloy, preferably stepwise from 1200° C. to 1275° C. in air to form large grains having...
07/18/1989
4759905Method for fabrication of low cost finely divided silicon-germanium and consolidated compacts thereof
Apparatus is provided for the production of ultrafine powder. The powder is produced by spark erosion within an electric discharge cell. The starting material for production of the powder is a body in chunk form of the material to be pulverized. The mater...
07/26/1988
4717788Method for producing thermoelectric elements
Thermoelectric elements of both P-type and N-type lead tellurides having unique characteristics including, particularly in the case of the P-type, a figure-of-merit 90% above that of the best commercial P-type element, are produced by a new process, invol...
01/05/1988
4717789Thermoelectric elements
Thermoelectric elements of both P-type and N-type lead tellurides having unique characteristics including, particularly in the case of the P-type, a figure-of-merit 90% above that of the best commercial P-type element, are produced by a new process involv...
01/05/1988
4714798Titanium nitride electrodes for thermoelectric generators
The invention is directed to a composite article suitable for use in thermoelectric generators. The article comprises a thin film of titanium nitride as an electrode deposited onto solid electrolyte. The invention is also directed to the method of making ...
12/22/1987
4711971Thermoelectric Si-Ge alloy composition
A thermoelectric alloy composition is described comprising from 5% to 95% silicon, from 95% to 5% Germanium, from 0.01% to 0.2% lead and from 0% to 0.2% tin, all percentages being atomic percentages. In a preferred composition at least 50% silicon and 50%...
12/08/1987
4686320Electronically and ionically conducting electrodes for thermoelectric generators
A composite article comprising a porous cermet electrode on a dense solid electrolyte and method of making same. The cerment electrode comprises beta-type-alumina and refractory metal....
08/11/1987
4650920Graphite fiber thermocouple device and method
A thermocouple device (A, B) and method having first and second thermoelectric elements for producing a Seebeck voltage effect for measuring high temperatures wherein the first thermoelectric element consists of a first graphite fiber strand, (10,24) and ...
03/17/1987
4589918Thermal shock resistant thermoelectric material
A thermoelectric material comprising an alloy, a solid solution or an alloy and a solid solution consisting essentially of (a) iron disilicide, (b) 0.3 to 4.6 atomic %, based on the total amount of the whole component elements, of boron and optionally, (c) 0.1...
05/20/1986
4500742Iron silicide thermoelectric conversion element
An iron silicide thermoelectric conversion element wherein a part of one of components of the silicide is substituted by oxygen atom to form either Si-O bond or Fe-O bond in a matrix of the compound to provide either p-type conductivity or n-type conducti...
02/19/1985
4500741Energy conversion element
An energy conversion element is disclosed which is capable of efficiently converting light and thermal energies into electrical energy. The element comprises a thermoelectric material and a photoelectric material which are different in type and joined tog...
02/19/1985
4491679Thermoelectric materials and devices made therewith
The disclosed invention includes improved devices and materials for thermoelectric conversion, particularly for operation at temperatures of 300° C. and below. Disordered p-type semiconductor elements incorporate compound adjuvants of silver and lead to ...
01/01/1985
4450314Thermocouple for measuring temperatures and method of making the thermocouple
A thermocouple made of the silicon carbide and carbon. A carbon rod extends within a silicon carbide tube. The tube is closed at one end, and one end of the rod is fixed in a blind hole in the tube end to define the hot junction of the thermocouple, the h...
05/22/1984
4415758Process for making a joint between two metal wires and a differential thermocouple
Process for producing a joint between two metal wires for use in the construction of thermocouples or neutron flux probes or sensors having a small external diameter is disclosed. A stack is formed from two wires placed end to end and having an interface. ...
11/15/1983
4177473Amorphous semiconductor member and method of making the same
An amorphous semiconductor member includes an amorphous semiconductor material which is formed in a solid amorphous host matrix having structural configurations which have local rather than long-range order and electronic configurations which have an ener...
12/04/1979
4032363Low power high voltage thermopile
An electrical power generating array of a semiconductor, laminar structured thermopile for producing low values of electrical power at high values of direct output voltage and a method for its manufacture including the step of lapping opposed semiconducto...
06/28/1977
4029472Thermoelectric exhaust gas sensor
An extremely high output and durable thermoelectric sensor for detecting the quantitative content of combustibles in an exhaust gas. Thick film coatings of lithia-nickel and doped titanium dioxide provide two thermocouple junctions on a ceramic substrate....
06/14/1977
3972740Thermocouple with improved EMF stability
A nickel-base thermocouple with improved EMF stability is described, the positive thermoelement of which is a nominal Ni/14.25Cr/1.45Si/.1Mg alloy and the negative thermoelement of which is a nominal Ni/4Si/.1Mg alloy....
08/03/1976
3945855Thermoelectric device including an alloy of GeTe and AgSbTe as the P-type element
Improved alloys suitable for thermoelectric applications and having the general formula: wherein x has a value of about 0.80 and 0.85, have been found to possess unexpectedly high thermoelectric properties such as efficiency index, as well as other improv...
03/23/1976
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