PURPOSE:To form a thin compound film having superior film characteristics by evaporating evaporation materials to form a thin film on a substrate, forming the periphery of the film formation plane side of the substrate into a hermetically sealed space, and introducing a reactant gas into this space while heating the substrate. CONSTITUTION:In a vacuum tank 1 evacuated or formed into gaseous atmosp...

PURPOSE:To simply and efficiently produce an oxide superconducting layer having superior uniformity by feeding mist of a soln. contg. a mixture of compds. of elements forming an oxide superconductor onto a heated substrate through a nozzle having a multiply tubed structure and thermally decomposing the resulting deposited layer. CONSTITUTION:Nitrates or other soluble compds. of elements forming an...

PURPOSE:To obtain a superconductor hardly affected by conditions in production by rendering a specified compsn. consisting of Pb, Sr, prescribed elements, Ce, Cu and O. CONSTITUTION:This superconductor is represented by the formula (where betais one or more kinds of elements selected among La, Nd, Sm, Eu, Gd, Dy, Ho and Y, in the case of two or more kinds of elements, Nd, Sm, Eu and Cd are made to...

PURPOSE:To obtain a superconducting multiple oxide having superior stability and a high critical temp. by rendering a specified compsn. consisting of Bi, Sr, Cu and O. CONSTITUTION:This superconducting multiple oxide has a compsn. represented by the formula (where n is 2 or 3 and 0.3<=y<=0.9) and may be produced by mixing prescribed amts. of compds. of Bi, Sr and Cu such as oxides, nitrates, carbo...

PURPOSE:To obtain a superconducting multiple oxide having superior stability and a high critical temp. by rendering a specified compsn. consisting of Bi, Sr, Cu and O. CONSTITUTION:This superconducting multiple oxide has a compsn. represented by the formula (where 6.03<=y<=6.09) and may be produced by mixing prescribed amts. of compds. of Bi, Sr and Cu such as oxides, nitrates, carbonates or oxala...

PURPOSE:To increase critical current density in a magnetic field by plastically working and heat-treating specified powder covered with a metal sheath. CONSTITUTION:Powder of submicron order having 2223 compsn. of Bi-Sr-Ca-Cu or (Bi,Pb)-Sr-Ca-Cu as the basic compsn. is filled into a metal sheath (e.g. a silver sheath) not reacting with a superconducting material and having satisfactory workability...

PURPOSE:To obtain a ceramic superconductor excellent in magnetic field characteristic by mechanically alloying the raw powder of a ceramic superconductor and an element of a non-superconductor to form a multiple oxide, forming the oxide and heat-treating the formed body. CONSTITUTION:The raw powder of a ceramic superconductor (e.g. mixed powder of Bi2O3, SrCO3, CaCO3 and CuO) and the raw material ...

PURPOSE:To make the structure of a superconductor homogeneous and dense and to improve the uniformity of the superconducting characteristics by melting and rapidly cooling an oxide consisting essentially of Y, Ba, Cu and O in a prescribed ratio and rolling the oxide by reciprocation between rollers or other method. CONSTITUTION:An oxide consisting essentially of Y, Ba, Cu and O is melted, rapidly ...

PURPOSE:To enhance crystallinity by using a single crystal of a specified compd. CONSTITUTION:This substrate is used to form a rhombic a-axis oriented epitaxial single crystal film of a high-temp. oxide superconductor which is a single crystal of h compd. represented by a formula REVO3 or RECrO3 (where RE is a rare earth element) or a rhombic b-axis oriented film of a high-temp. oxide superconduct...

In forming a diamond film on a surface of substrate by means of plasma method, there is employed in a plasma reacting chamber a supporting member having a top surface for placing the substrate so disposed as to be smaller than a bottom surface of the substrate and having engagement means for engaging with the substrate. When the substrate, particularly substrate for a cut...

A method of treating the surface of an absorbent resin, which comprises mixing (A) 100 parts by weight of an absorbent resin powder possessing a carboxyl group, (B) 0.01 to 30 parts by weight of a cross-linking agent, (C) 0 to 50 parts by weight of water, and (D) 0 to 60 parts by weight of a hydrophilic organic solvent in a high-speed stirring type mixer provided with an inner surface formed subst...

A method for treating the surface of an absorbent resin which comprises mixing (I) 100 parts by weight of an absorbent resin powder having a carboxyl group, (II) 0.01 to 30 parts by weight of a polyhydric alcohol, (III) 0 to 50 parts by weight of water and (IV) 0 to 60 parts by weight of a hydrophilic organic solvent, and heat-treating at a temperature in the range of 90 to 250 DEG C to treat the ...

A method for the production of a fluid stable aggregate, which comprises mixing (A) 100 parts by weight of an absorbent resin powder possessing a carboxyl group, (B) 0.01 to 30 parts by weight of a cross-linking agent, and (C) 0 to 50 parts by weight of water, and (D) 0 to 60 parts by weight of a hydrophilic organic solvent in a high-speed stirring type mixer which is provided with an inner surfac...

A method is disclosed to prepare a uniform, stable dispersion of an additive amount of a water-insoluble, high viscosity liquid polyalkylene glycol derivative in a substantially nonaqueous, water-soluble alkanolamine by combining under pressure a proportionate amount of the total polyglycol derivative to be added to the alkanolamine component, or mixture of alkanolamine and polyglycol derivative, ...

A method for forming integrated circuit structures includes the formation of high-value resistive elements and low resistance interconnect in a single polycrystalline layer. In one embodiment, interconnect regions of the polycrystalline silicon layer are masked, and resistive element regions are partially oxidized to reduce the thickness of the polycrystalline layer in such regions. Resistivity of...

On a semiconductor film (11) to function as a lead-out electrode of a semiconductor element, a metal silicide film (13) and a metal nitride film (14) are successively provided, whereby alloying and inferior contact resistances attributed to heat during wiring with aluminum can be effectively suppressed, so that the reliability of a semiconductor device can be enhanced.

A picture data compressing and recording apparatus divides picture data into blocks and applies two-dimensional orthogonal transformation to the blocks of picture data. The apparatus records DC components and AC components of the transformed data collectively yet, independently of each other in a recording medium. The apparatus is capable of reproducing a simplified picture by reading out the DC c...

A combination electric motor and transmission unit device has two inputs and a rotational mechanical output, at least one of the inputs being of electrical power, to a corresponding integral combination of an electric motor means with a transmission means. The directions of rotation and the rotational speeds of the two inputs can be controlled to provide the mechanical output at any desired rotati...

Medical devices which are currently proposed to use elements made from shape memory alloys may be improved by the use of stress-induced martensite alloy elements instead. The use of stress-induced martensite decreases the temperature sensitivity of the devices, thereby making them easier to install and/or remove.

An adaptive vector quantization scheme suitable for packet video adapts to the varying characteristics of the actual images sequence being compressed. A large code book is divided into two sections, having higher and lower priority, representing common characteristics and specific characteristics of images. Each new image to be coded is first compared to the common characteristics section of the c...