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barium titanate invention

Patent US4959089 Process for preparing a …

FIELD OF THE INVENTION. A process for the preparation of a tetragonal barium titanate film in which a specified mixture of a barium compound, a titanium compound, and ...

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Patent US5617290 Barium strontium titanate …

A semiconductor device and process for making the same are disclosed which incorporate boron, which has been found to be substantially insoluble in BST, into a …

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Production Barium Titanate

A production method of barium titanate according to the present invention comprises steps of preparing powder mixture of barium carbonate powder and titanium oxide ...

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Patent US20070211408 Acceptor Doped Barium …

The present invention is directed to a dielectric thin ... The acceptor doped barium titanate based dielectrics according to the present invention may exhibit ...

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Patent US3002861 Method of producing a …

Method of producing a coating of barium titanate US 3002861 A. Abstract available in . Images (2) Claims available in . Description ...

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Production method of barium titanate

A production method of barium titanate according to the present invention comprises steps of preparing powder mixture of barium carbonate powder and titanium oxide ...

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Patent US6303393 Method of doping barium …

In the practice of one embodiment of the invention to form an Er doped barium titanate thin film optical medium on a substrate, ...

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Patent US20010048969 Dispersible, metal oxide …

Barium titanatebased particles having a coating comprising an oxide, hydrous oxide, hydroxide or organic acid salt of a metal other than barium or titanium, wherein ...

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BARIUM TITANATE DISPERSIONS CABOT …

The invention provides slurries, dispersions, or slips of barium titanatebased particles in a nonaqueous medium and methods of their production.

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Patent US5328718 Production of barium …

A thin film of barium titanate is formed on a substrate by immersing the substrate in an aqueous solution containing barium ions and titanium alkoxide.

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Patent US4475144 Dielectric ceramic of barium …

BACKGROUND OF THE INVENTION. The present invention relates to a dielectric ceramic composition of ferroelectric nature, with a barium titanate basis, as well as a ...

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Ευρεσιτεχνίες US7795663 Acceptor doped …

The present invention is directed to a dielectric thin film composition comprising: (1) one or more barium/titaniumcontaining additives selected from (a) barium ...

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Patent US2992079 Barium titanate single …

BARIUM TITANATE SINGLE CRYSTALS ... sample of barium titanate powder which was used to produce buttery twin single crystals in accordance with the present invention ...

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Process For Preparing Barium Titanate …

The present invention relates to a hydrothermal synthesis for preparing barium titanate powder as the essential material for a multilayer ceramic capacitor. The ...

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Battery Breakthrough? MIT Technology Review

Battery Breakthrough? ... The trick is to modify the composition of the bariumtitanate powders to allow for a thousandfold increase in ultracapacitor voltage–in ...

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Patent EP1777198A1 Fine barium titanate …

The present invention provides fine barium titanate particles having an average primary particle diameter of from 10 nm to less than 20 nm, a sphericity (major axis ...

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Barium Calcium Titanate, Production Process …

A barium calcium titanate of the present invention has a remarkable effect that a fine barium calcium titanate powder having excellent dispersibility ...

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A METHOD FOR PREPARING A BARIUM …

Full Text: FIELD OF THE INVENTION The present invention relates to a method for preparing a barium titanate series semiconductor porcelain composition.

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Patent US20080145292 Barium Titanate, …

The present invention provides a barium titanate having a small particle size, containing small amounts of unwanted impurities, and exhibiting excellent electric ...

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BARIUM TITANATEBASED SEMICONDUCTOR …

Abstract: Provided is a barium titanatebased semiconductor ceramic composition which contains no Pb, which can have an increased Curie temperature, which exhibits ...

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Methods for producing monodispersed particles …

The present invention is a lowtemperature controlled method for producing highquality, ultrafine monodispersed nanocrystalline microsphere powders of barium ...

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Dielectric ceramic composition on the base of …

The invention relates to dielectric ceramic compositions on the base of barium titanate, allowing class BX capacitors to be used. According to the invention, the ...

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US Patent 7,431,911. Barium titanate and …

Barium titanate and production and process thereof Abstract. The present invention provides a barium titanate having a small particle size, containing small amounts ...

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Patent US5572052 Electronic device using …

Electronic device using zirconate titanate and barium titanate ferroelectrics in insulating layer US 5572052 A

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Richard Weir Carl Nelson: BariumTitanate Ultra …

Richard WEIR / Carl NELSON. ... It is a parallel plate capacitor with barium titanate as the dielectric. ... which has licensed EEStor's invention.

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Patent US5032375 Process for the manufacture …

The present invention relates to a process for the manufacture of barium titanate and/or strontium titanate crystals, as well as to barium titanate and/or strontium ...

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Patent EP1013608A1 Barium titanate powder …

A barium titanate powder comprising an average particle size ranging from ∼ µm, a CV value (standard deviation of the particle size/the average particle size ...

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Patent WO1999067189A1 Barium titanate …

The invention provides slurries, dispersions, or slips of barium titanatebased particles in a nonaqueous medium and methods of their production.

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Indian Patents. 270208:A LEADBARIUM …

Title of Invention: A LEADBARIUMSTRONTIUMTITANATE COMPOUND [] AND A METHOD OF FABRICATING THE SAME. Abstract [000124] The present invention ...

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Patent WO2010038770A1 Barium titanate …

Disclosed is a highly reliable barium titanatebased semiconductor ceramic composition containing no Pb and having a high Curie point. The barium titanatebased ...

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US Patent 4,384,989. Semiconductive barium …

Semiconductive barium titanate having a positive temperature coefficient of resistance comprises a barium titanate semiconductor including barium titanate and a small ...

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Dispersible, metal oxidecoated, barium titanate …

In preferred aspects of this invention the barium titanate particles have a barium and titaniumfree metal oxide coating.

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Fine barium titanate particles TODA KOGYO …

The present invention provides fine barium titanate particles having an average primary particle diameter of from 10 nm to less than 20 nm, a sphericity ...

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