32results about How to "Good substrate" patented technology

A semiconductor-on-insulator structure and a method of forming the silicon-on-insulator structure including an integrated graphene layer are disclosed. In an embodiment, the method comprises processing a silicon material to form a buried oxide layer within the silicon material, a silicon substrate below the buried oxide, and a silicon-on-insulator layer on the buried oxide. A graphene layer is transferred onto the silicon-on-insulator layer. Source and drain regions are formed in the silicon-on-insulator layer, and a gate is formed above the graphene. In one embodiment, the processing includes growing a respective oxide layer on each of first and second silicon sections, and joining these silicon sections together via the oxide layers to form the silicon material. The processing, in an embodiment, further includes removing a portion of the first silicon section, leaving a residual silicon layer on the bonded oxide, and the graphene layer is positioned on this residual silicon layer.

The invention includes compositions containing one or more alpha -sulfofatty acid esters, and methods for making and using the same. At least one alpha -sulfofatty acid ester is included in an inner portion. The invented composition can further include an outer portion which protects the alpha -sulfofatty acid ester from di-salt formation. The resulting composition improves the stability of the alpha -sulfofatty acid ester after manufacture, during shipping and storage, and in detergents. The invention further included detergents containing the invented composition, and methods of making such detergents.

The method for producing a group III nitride semiconductor crystal of the invention comprises a step of preparing a seed crystal having a non-polar plane followed by growing a group III nitride semiconductor from the non-polar plane in a vapor phase, wherein the growing step includes growing the group III nitride semiconductor so as to extend in the +C-axis direction of the seed crystal. A group III-V nitride semiconductor crystal having high quality and a large-area non-polar plane can be obtained by the method.

A polymer comprising recurring units of formula (1) and recurring units of formulae (2a) to (2d) wherein R1 is F or fluoroalkyl, R2 is a single bond or an alkylene or fluoroalkylene, R3 and R4 are H, F, alkyl or fluoroalkyl, at least one of R3 and R4 contains F, R5 is H or an acid labile group, R6 is an acid labile group, adhesive group, alkyl or fluoroalkyl, and “a” is 1 or 2 is used as a base resin to formulate a resist composition which has advantages including high transparency to radiation having a wavelength of up to 200 nm, substrate adhesion, developer affinity and dry etching resistance.

It is an object of the present invention to provide a liquid composition for cleaning a semiconductor substrate capable of removing metal impurities on the substrate surface without corroding a copper wiring in the manufacturing process of a semiconductor circuit element.According to the present invention, by means of a cleaning liquid composition for cleaning a semiconductor substrate, comprising one or more aliphatic polycarboxylic acids and one or more basic amino acids, metal impurities can be removed without corroding the copper wiring in a cleaning process of a semiconductor substrate having a copper wiring, in particular in a cleaning process of a semiconductor substrate in which the copper wiring is exposed after chemical mechanical polishing (CMP).

The invention includes compositions containing one or more alpha-sulfofatty acid esters, and methods for making and using the same. At least one alpha-sulfofatty acid ester is included in an inner portion. The invented composition can further include an outer portion which protects the alpha-sulfofatty acid ester from di-salt formation. The resulting composition improves the stability of the alpha-sulfofatty acid ester after manufacture, during shipping and storage, and in detergents. The invention further included detergents containing the invented composition, and methods of making such detergents.

A semiconductor-on-insulator structure and a method of forming the silicon-on-insulator structure including an integrated graphene layer are disclosed. In an embodiment, the method comprises processing a silicon material to form a buried oxide layer within the silicon material, a silicon substrate below the buried oxide, and a silicon-on-insulator layer on the buried oxide. A graphene layer is transferred onto the silicon-on-insulator layer. Source and drain regions are formed in the silicon-on-insulator layer, and a gate is formed above the graphene. In one embodiment, the processing includes growing a respective oxide layer on each of first and second silicon sections, and joining these silicon sections together via the oxide layers to form the silicon material. The processing, in an embodiment, further includes removing a portion of the first silicon section, leaving a residual silicon layer on the bonded oxide, and the graphene layer is positioned on this residual silicon layer.

A polymer comprising recurring units of formula (1) and recurring units of formulae (2a) to (2d) wherein R1 is F or fluoroalkyl, R2 is a single bond or an alkylene or fluoroalkylene, R3 and R4 are H, F, alkyl or fluoroalkyl, at least one of R3 and R4 contains F, R5 is H or an acid labile group, R6 is an acid labile group, adhesive group, alkyl or fluoroalkyl, and “a” is 1 or 2 is used as a base resin to formulate a resist composition which has advantages including high transparency to radiation having a wavelength of up to 200 nm, substrate adhesion, developer affinity and dry etching resistance.

The present invention is an integral composite structural (ICS) material comprising an open metal structure having at least one external side and internal surfaces defining a plurality of open shapes with a ceramic matrix composite bonded to at least one external side and the surfaces of at least a substantial portion of the plurality of open shapes and occupying at least a substantial portion of the plurality of open shapes. The open metal structure, independent of the ceramic matrix composite, has a total metal volume percent in the range of about 10% to about 90%, with no dimension of any open shape being greater than about ¾ inch. The ceramic matrix layer covers a substantial portion of at least one external side of the open metal structure. At least one external side of the metal portion of the ICS material is bonded with a ceramic matrix composite such that the ceramic layer occupies at least a significant portion of the open pores of the metal portion and is bonded to a significant portion of at least one external side of the metal element. The present invention is also a method of manufacturing such an ICS material.

The invention, belongs to the field of wastewater treatment technology, is a two-phase anaerobic reactor enhanced by addition of zero valent iron (ZVI). In the reactor, 2˜4 ZVI-filling layers are settled in the middle of the anaerobic hydrolysis-acidification tank, the effluent of which is fed into the rear anaerobic methanogenic tank. The degradation of organics is effectively enhanced in the anaerobic hydrolysis-acidification tank with dosing of ZVI, which may produce more acetic acid that is a desired substrate for the subsequent methanogenesis. Meanwhile, the acidic environment of the hydrolysis-acidification tank is helpful for the dissolution of ZVI to maintain its activity. The reactor is reasonably designed with high performance and strong shock resistance in anaerobic treatment of various wastewaters. Tests in lab-scale showed that hydrolysis-acidification and methanogenesis in this combined system were significantly improved compared with a reference reactor without addition of ZVI.

The invention provides novel heat-resistant steel for a key hot end part of an ultrahigh-parameter steam turbine. The novel heat-resistant steel is prepared from the components in percentage by weight: 0.02-0.08% of C, 8.00-10.00% of Cr, 2.0-4.0% of Co, 2.0-4.0% of W, 0.10-0.80% of Mo, 0.10-0.30% of V, 0.30-0.70% of Ni, 0.05-0.15% of Nb, 0.010-0.050% of N, 0.010-0.030% of B, 0.1-1.0% of rare earthelements, no more than 0.10% of Si, 0.10-1.00% of Mn, and the balance of Fe and inevitable impurities. The novel heat-resistant steel belongs to martensitic heat-resistant steel and has the good high-temperature property and oxidation resistance property, thus temperature parameters of the steam turbine are increased, and the power generating efficiency of the steam turbine is improved advantageously.

Sustained release pharmaceutical compositions contain a drug; microcrystalline cellulose; a diluent (such as starch); a glidant (such as talc); and one or more of ethylcellulose, stearic acid and a salt of stearic acid. Preferred drugs include those that exhibit a low degree of solubility combined with a high potency, particularly thyroid hormones, such as liothyronine.

The present invention belongs to microbial technology field and relates to a strain producing toluene o-xylene monooxygenase (Arthrobacter woluwensis) HW-1 and its application in preparation of 5-methylpyrazine-2-carboxylic acid by microbial fermentation. The present invention providing a new strain HW-1 which could produce toluene o-xylene monooxygenase, and the strain is identified as Arthrobacter woluwensis. The strain is firstly found to convert 2, 5-dimethylpyrazine by bio-fermentation to obtain the medicine intermediate 5-methylpyrazine-2-carboxylic acid. The concentration of accumulated product could reach 34.19 g / L and the yield rate is 81.4% by shake flask fermentation. Compared with 20.41 g / L reported in the literature, this method has a greater advantage and could be industrialized. The conditions to prepare 5-methylpyrazine-2-carboxylic acid provided in the present invention is mild, the reaction process is controllable and has good performance in environmental protection and energy saving. So this invention has great value in industry.

Embodiments of the invention provide methods and materials for chemical cross-coupling reactions that utilize aryl alcohol derivatives as cross-coupling partners. Embodiments of the invention include methods for the amination of aryl sulfamates and carbamates, which are attractive cross-coupling partners, particularly for use in multistep synthesis. Illustrative embodiments include versatile means to use simple derivatives of phenol as precursors to polysubstituted aryl amines, as exemplified by a concise synthesis of the antibacterial drug linezolid.

Sustained release pharmaceutical compositions contain a drug; microcrystalline cellulose; a diluent (such as starch); a glidant (such as talc); and one or more of ethylcellulose, stearic acid and a salt of stearic acid. Preferred drugs include those that exhibit a low degree of solubility combined with a high potency, particularly thyroid hormones, such as liothyronine.

The invention relates to the technical fields of environmental protection and circular economy, and concretely relates to a use method of a special production device used for floridin. The method is characterized in that boiler tail gas used as a circulating fluidized bed coal-fired boiler fly ash conveying and activating medium and providing heat energy needed by activation and sulfuric acid used as an activator complete an activation process in an activation tower assembly, circulating fluidized bed coal-fired boiler fly ash is separated from acid fog tail gas in a gas box pulse bag type trap, an elevator I conveys the circulating fluidized bed coal-fired boiler fly ash to a rotary rinsing cylinder in order to make the fly ash be rinsed, the rinsed fly ash is dehydrated by a centrifuge dehydrator, and the dehydrated circulating fluidized bed coal-fired boiler fly ash which enters a secondary activating and drying rotary furnace through an elevator II undergoes secondary activation and drying under the action of the boiler tail gas used as the activating medium and providing heat energy. The device has the advantages of high automation degree, realization of integral intelligent enforcement of various complex process flows, and simplicity in operation and use.

A polymer comprising recurring units having a partial structure of formula (1) wherein R1 is a single bond or alkylene or fluoroalkylene, R2 and R3 are H or alkyl or fluoroalkyl, at least one of R2 and R3 contains at least one fluorine atom is used as a base resin to formulate a resist composition which has advantages including high transparency to radiation having a wavelength of up to 200 nm, substrate adhesion, developer affinity and dry etching resistance.

The present invention is directed to tyrosine phosphorylated forms of Cip / Kip proteins including p27Kip1, fragments of these forms and antibodies thereto. The invention is further related to non-phosphorylatable forms of Cip / Kip proteins, or fragments thereof. Further embodiments are diagnostic or therapeutic uses of the disclosed compounds, in particular uses in diagnostics and therapy of hyperproliferative diseases.

The invention relates to a polypeptide comprising an amino acid having a cyclopropene group wherein said cyclopropene group is joined to the amino acid via a carbamate group. Suitably the cyclopropene group is a 1,3-disubstituted cyclopropene such as a 1,3-dimethylcyclopropene. Suitably the cyclopropene group is present as a residue of a lysine amino acid. The invention also relates to methods of making the polypeptides. The invention also relates to an amino acid comprising cyclopropene wherein said cyclopropene group is joined to the amino acid moiety via a carbamate group.

The invention, belongs to the field of wastewater treatment technology, is a two-phase anaerobic reactor enhanced by addition of zero valent iron (ZVI). In the reactor, 2˜4 ZVI-filling layers are settled in the middle of the anaerobic hydrolysis-acidification tank, the effluent of which is fed into the rear anaerobic methanogenic tank. The degradation of organics is effectively enhanced in the anaerobic hydrolysis-acidification tank with dosing of ZVI, which may produce more acetic acid that is a desired substrate for the subsequent methanogenesis. Meanwhile, the acidic environment of the hydrolysis-acidification tank is helpful for the dissolution of ZVI to maintain its activity. The reactor is reasonably designed with high performance and strong shock resistance in anaerobic treatment of various wastewaters. Tests in lab-scale showed that hydrolysis-acidification and methanogenesis in this combined system were significantly improved compared with a reference reactor without addition of ZVI.

The invention relates to a method for preparing a composite conductive polyethylene carbon black material with improved positive temperature coefficient performance. The method comprises the following steps of: (1) preparing a hyper dispersant from 12-oxystearic acid, an antioxidant, a catalyst, dimethylbenzene and the like; (2) preparing modified carbon black from carbon black and a titanate hyper dispersant or a phosphate hyper dispersant or a mixture of the titanate hyper dispersant and the phosphate hyper dispersant; and (3) preparing the composite conductive polyethylene carbon black material from high-density polyethylene, low-density polyethylene, the modified carbon black, the antioxidant and the like. The composite conductive polyethylene carbon black material provided by the invention improves the interaction between a conductive filler and a high molecular matrix, effectively inhibits the agglomeration and the position offset of carbon black in the matrix, increases the PTC(Positive Temperature Coefficient) strength, retards the NTC (Negative Temperature Coefficient) effect, and increases the stability of PTC effect in repeated heating cycle. The method has simple process and low cost, basically causes no pollution to the environment and is convenient to popularize and apply widely.

The invention relates to the technical field of environmental protection and circular economy and particularly relates to a special preparation device for activated clay. The special preparation device is characterized by comprising an activation tower component, a gas tank pulse bag catcher, an elevator I, a rotary rinsing drum, a centrifugal dehydrator and a secondary activation drying rotary furnace. The device has high automation degree, the complicated processes are integrated and intelligently implemented, and the device is easy and convenient to operate; and due to the straight type distribution mode, the equipment has multiple advantages in material conveying, production and packaging, particularly equipment maintenance.

A nano-structured ceramic film engineered for the study of biological samples. The films have a plurality of pores with a narrow and ordered pore-size distribution with pore diameters between 50 nm to 400 nm (±10%). The films are doping with metal compositions that provide fluorescence resonance energy transfer (FRET) capabilities with significant fluorescence signal enhancement and low noise. A hairpin DNA construct with a quencher and fluorophore is covalently linked to the surface (including inside the pores) of the ceramic film and configured to react to any target sequences in solution, resulting in separation of the quencher-fluorophore pair. The chelated metal ion FRET centers doped within the nano-structure ceramic film provider for long lasting fluorescence signals with less noise.

The invention relates to the technical field of environmental protection and circular economy and particularly relates to a special preparation device for activated clay. The special preparation device is characterized by comprising an activation tower component, a gas tank pulse bag catcher, an elevator I, a rotary rinsing drum, a centrifugal dehydrator and a secondary activation drying rotary furnace. The device has high automation degree, the complicated processes are integrated and intelligently implemented, and the device is easy and convenient to operate; and due to the straight type distribution mode, the equipment has multiple advantages in material conveying, production and packaging, particularly equipment maintenance.