341results about How to "Good reproducibility" patented technology

The present invention provides a process for forming a copper fine particle sintered product type of a fine-shaped electric conductor showing superior electroconductivity, which comprises steps of drawing a fine pattern with the use of a dispersion containing the copper fine particles having a surface oxide film layer, conducting a treatment for reducing the copper fine particles with the surface oxide film layer or copper oxide fine particles included in the pattern at a comparatively low temperature, and baking the resultant copper fine particles. Specifically, the process carries out the processes of; applying a dispersion containing the copper fine particles having the surface oxide film layer thereon or the copper oxide fine particles with an average particle diameter of 10 μm or smaller onto a substrate; and then performing a series of the heat treatment steps of heating the particles in the coated layer at temperature of 350° C. or lower under an atmosphere containing a vapor and a gas of a compound having reducibility to reduce the oxide film by a reduction reaction which used the compound having reducibility as a reducing agent, subsequently repeating a heat treatment combining an oxidizing treatment of a short time with a re-reducing treatment, and sintering the resultant copper fine particles with each other to form a layer of the sintered product.

In a developing device having a developing zone where an image carrier and a developer carrier face each other, the developer carrier carrying a developer thereon moves at a linear velocity of 150 mm/sec or above, but below 500 mm/sec. The amount of the developer conveyed to the developing zone by the developer carrier is between 65 mg/cm² and 95 mg/cm². A magnetic flux generated on the developer carrier in the developing zone by a magnetic pole has a flux density having an attenuation ratio of 40% in the direction normal to the developer carrier. The flux density in the direction normal to the developer carrier, as measured on the surface of the developer carrier, is between 100 mT and 200 mT. Magnetic grains, which constitute the developer together with toner grains, have a saturation magnetization value of 40×10⁻⁷×4 πWb·m/kg or above, but below 50×10⁻⁷×4 πWb·m/kg.

Polymeric ionic liquids, methods of making and methods of using the same are disclosed.

A solid-state image sensing device includes a plurality of pixels. Each pixel has a photodiode, a first transistor, and a second transistor. The photodiode is constituted by a first-conductivity-type semiconductor region and a second-conductivity-type semiconductor region. The first and second conductivity types are opposite to each other. The first transistor has a first-conductivity-type drain region formed in the second-conductivity-type semiconductor region to transfer signal charge to the drain region. The second transistor has a source region and a drain region which are formed in the second-conductivity-type semiconductor region and which have the first conductivity type. At least one second-conductivity-type potential barrier is provided under the drain region of the first transistor and the source region and/or the drain region of the second transistor.

A memory device of the current invention includes a memory layer having nanochannels sandwiched between an upper electrode and a lower electrode, in which the memory layer is made of an organic-inorganic complex for use in formation of nanopores, and has metal nanoparticles or metal ions fed into the nanopores. Therefore, the memory device has excellent processability, high reproducibility, and uniform performance.

The present invention provides a method for fine processing of a substrate, a method for fabrication of a substrate, and a light emitting device. In the method for fine processing of a substrate, after removing a single particle layer from the substrate having the single particle layer, a hole having an inner diameter smaller than a diameter of a particle and centering on a position on the substrate where each particle constructing the single particle layer has been placed is formed by etching. The method for fabrication of a substrateincludesthefollowingsteps (I) to (V) inthisorder:

• (I) forming the single particle layer by arranging the particles on the substrate;
• (II) reducing the diameter of each of the particles by etching the obtained substrate;
• (III) forming a thin film composed of a mask material on the obtained substrate;
• (IV) removing the particle from the substrate and forming a mask having a hole with an inner diameter equivalent to the diameter of the particle at the position where the individual particle has existed; and
• (V) forming a hole with a diameter equivalent to the inner diameter of the hole of the mask on the substrate below the hole of the mask by etching the substrate using the mask. The light emitting device is made of a nitride semiconductor and is formed with a fine hole on an entire surface or a partial region of a light extraction surface and/or an opposing surface.

The present invention provides one kind of nanometer MoO3 stick and its preparation process. The laminated nanometer MoO3 stick in orthorhombic system has length 1-10 microns, 3-9 laminated MoO3 layers, thickness 50-200 nm and width 60-120 nm. The preparation process includes dissolving molybdenum oxide or molybdate in hydrogen peroxide solution via intense stirring for 30-50 hr to form sol, transferring the sol into stainless steel reaction tank with PTFE lining, hydrothermal treatment at 150-180 deg.c for 4-6 days, naturally cooling to room temperature to obtain hydrothermal product, anhydrous ethyl alcohol washing and water washing, and drying. The preparation process is simple, high in reproducibility, controllable, and environment friendly. The prepared nanometer MoO3 stick has high surface activity and may be filmed via brushing or spraying and prepared into electrochemical and optical devices directly or after being mixed with other superfine powder.

The invention provides a Zn<2+> ratiometric fluorescent probe compound and a preparation method and use thereof, and belongs to the field of fluorescent probe compounds and preparation thereof. According to the preparation method, the Zn<2+> ratiometric fluorescent probe compound prepared by using 2-(4'-amino-2'-hydroxyphenyl)benzoxazole as a raw material has high water solubility. The compound can be used to test Zn<2+> concentration in a water phase. A 1*10<-6> to 1*10<-4>mol/L aqueous solution of Zn<2+> ratiometric fluorescent probe compound can test the strength of the fluorescence peaks at 370nm and 454nm in fluorescence spectrum, and accordingly the Zn<2+> concentration of the aqueous solution can be worked out. The compound provided by the invention has high selectivity in Zn<2+> test and high reproducibility, and therefore is suitable for test the Zn<2+> concentration in water phases in biochemistry and environmental chemistry.

A composite oxide sintered body includes In₂Ga₂ZnO₇ having a homologous crystal structure, and has a relative density of 90% or more, and an average crystal grain size of 10 μm or less.

A process for preparing 3-[(S)-7-bromo-2-(2-oxo-propylamino)-5-pyridin-2-yl-3H-1,4,-benzodiazepin-3-yl]propionic acid methyl ester at a high conversion rate with good reproducibility by oxidizing 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester in the presence of an oxidation catalyst is provided by defining the ammonium ion content of 3-[(S)-7-bromo-2-(2-hydroxy-propylamino)-5-pyridin-2-yl-3H-benzo[e][1,4]diazepin-3-yl]propionic acid methyl ester.

A photoresist film 12 is formed on a substrate 10. In the photoresist film 12, an opening 13 having higher hydrophilicity and higher affinity with a chemical liquid 16 for swelling the photoresist film at upper part of the sidewall is formed down to the substrate 10. The chemical liquid 16 is reacted with the photoresist film 12 with the opening formed in to swell the photoresist film 16 to thereby reverse-taper the sidewall of the opening. Whereby the photoresist film having an opening diameter beyond a resolution of the photoresist material and the sidewall of the opening reverse-tapered can be easily formed.

The present invention is to provide a nanoparticle, which can be used effectively for Raman analysis based on very high amplification effect of electromagnetic signal by plasomonic coupling of nanogap formation inside thereof and high reproducibility, and which includes core and surrounding shell with nanogap formation between the same and the method of synthesis thereof. The present invention is also to provide the method for detecting the analyte using the above nanoparticle and the analyte detection kit including the above nanoparticle.

A printing method realizes good reproducibility of an ink pattern and facilitates both the alignment operation between a printing plate and a blanket and the alignment operation between the blanket and a substrate, enabling the printing with positional accuracy as high as the TFT substrate can be fabricated. The flat portion of the printing plate and the flat portion of the endless belt-shaped blanket are contacted in the state where the said flat portions are opposed. Then, the said flat portions are detached, forming an ink pattern on the flat portion of the blanket. Thereafter, the flat portion of the blanket and the flat portion of the substrate are contacted in the state where the said flat portions are opposed. Subsequently, the said flat portions are detached, transferring the ink pattern to the flat portion of the substrate from the blanket.

A III-V group nitride system semiconductor self-standing substrate is made of III-V group nitride system semiconductor single crystal with a hexagonal crystal system crystalline structure. The substrate is provided with a surface that is off-oriented 0.09 degrees or more and 24 degrees or less in the a-axis or m-axis direction from C-face of the substrate.

The invention provides a detection method and a detection device for wafer level led chips and a transparent probe card thereof. A transparent probe card is provided and covers the wafer for electrically connecting the testing pads of the LED chips via the contacts so as to perform a light-up test on the LED chips. When the LED chips are lighted up, an imaging process is performed on the light signals of the LED chips to form an image on a sensing element. The image is captured, and the image signal is converted into an optical field information and a position information corresponding to each of the LED chips. The spectrums and the luminous intensities of the LED chips are obtained according to the optical field information of the LED chips. The LED chips are classified according to the spectrums and the luminous intensities of the LED chips. The invention also discloses a detection device for wafer level led chips applying the detection method and a transparent probe card. The detection method, the detection device, and the transparent probe card is provided with advantages of improved detection speed and quick classification.

The invention relates to spirulina phatensis polysaccharide and an extraction method thereof. The extraction method comprises the following steps of: immersing spirulina which is taken as a raw material at room temperature for seven days by using industrial ethanol, pouring ethanol, airing solid, carrying out extraction for many times by using boiling water, dialyzing fluid water for two days, after concentrating intra-dialysate, centrifuging, adding a trichloroacetic acid solution to eliminate protein, neutralizing by adding an NAOH solution till the pH value is 6.5-7.5, after dialyzing and concentrating fluid water, centrifuging, adding triploid product of industrial ethanol into supernate, standing for one night, centrifugally collecting precipitation, and drying after washing through absolute ethyl alcohol and acetone respectively so as to obtain crude aqueous extraction spirulina phatensis polysaccharide; and carrying out solid residue alkali extraction to obtain crude alkali extraction spirulina phatensis polysaccharide, and separating and eluting crude polysaccharide so as to obtain pure polysaccharide. The chemical structure of the spirulina phatensis polysaccharide is characterized in that a main chain is composed of 1,4-connection alpha-D-glucose; average every eight main chain residues have one branch; substitution is at the sixth position of a branch point; and the branch is composed of one or two 1.6 connection glucose. The extraction method of the spirulina phatensis polysaccharide disclosed by the invention is simple and convenient and has good reproducibility.

Provided is an electronic device wherein at a time of laser-sealing a space between two glass substrates, it is possible to suppress generation of a crack or a breakage etc. in the glass substrates or a sealing layer. When a cross-section of the sealing layer 6 of the electronic device is observed, the sum total of perimeter lengths of the low expansion filler and the laser absorbent present in a unit area (fluidity inhibition value) is from 0.7 to 1.3 μm⁻¹, and the sum total (thermal expansion value) of a value obtained by multiplying the area ratio of the sealing glass by the thermal expansion coefficient, and a value obtained by multiplying the sum total of the area ratios of the low expansion filler and the laser absorbent by the thermal expansion coefficient of the low expansion filler, is from 50 to 90×10⁻⁷/° C.

The invention discloses a high-quantum-yield electrochemiluminescence gold nano-cluster probe and a preparation method of the high-quantum-yield electrochemiluminescence gold nano-cluster probe. The high-quantum-yield electrochemiluminescence gold nano-cluster probe disclosed by the invention is prepared by taking a functional gold nano-cluster material as a precursor and adopting a chemical reduction method. The electrochemiluminescence gold nano-cluster probe is modified on an electrode, takes persulfate ions as a co-reaction reagent and has good electrochemiluminescence performance. The high-quantum-yield electrochemiluminescence gold nano-cluster probe has the characteristics that a process is simple, the repeatability is good, an electrochemiluminescence signal of the probe is strong and stable, the luminescence efficiency is high and the like. The high-quantum-yield electrochemiluminescence gold nano-cluster probe prepared by the invention has a relatively good application prospect in the fields of medicines, chemistry, biology, environment and the like.

The invention discloses a method for synchronously detecting a plurality of organophosphorus fire retardants in bottom mud, belonging to the detection field of trace amount of organophosphorus fire retardants in the environment. The method comprises the main steps of firstly, extracting a target object in a sample through an accelerated solvent extraction instrument; purifying by a gel permeation chromatography; further purifying and enriching by adopting a solid-phase small extraction column; and finally, concentrating and making up to the constant volume and detecting and quantifying by using a gas chromatograph-mass spectrometer. According to the invention, a pre-treatment method for the organophosphorus fire retardants in the bottom mud is established and optimized, the automation degree is high and the repeatability is good; the gas chromatograph-mass spectrometer is used for carrying out quantitative detection, the detection limit is low and the sensitivity is high; the detection limit to nine types of the organophosphorus fire retardants are lower than 0.340 microgram per gram. According to the method, the synchronous analysis and detection on the plurality of trace amount of organophosphorus fire retardants in a complicated environment medium, namely the bottom mud, is realized; the sensitivity and the accuracy are achieved, and the method makes up the disadvantages of the technology in the field.

The invention discloses a silica gel fixed phase of a mixed model, which is the silica gel fixed phase in the mixed model of hydrophobic/strong cation exchange. The silica gel fixed phase is connected with the compounds having structures shown as formulae (I) and (II) on a silica gel surface. The silica gel fixed phase is obtained through bonding a silane coupling agent containing octyl and hydrosulphonyl to an activated silica gel with a hydroxyl and oxidizing hydrosulphonyl carried on the surface, and oxidizing the sulfydryl into sulfonic acid group by using oxydol. When the silica gel as fillers is prepared into a chromatographic column, the silica gel can effectively separate multiple substances. The silica gel fixed phase has simple preparation, favorable reproducibility and excellent application prospect.

The invention provides a method for detecting metals such as gold, silver and palladium in crude copper, aiming at the situation that no method for measuring metal palladium in crude copper is available at present. According to the method, the fire assaying enrichment is adopted to obtain precious metal combined grains; and after the grains are dissolved by aqua regia, the contents of gold, silver and palladium in crude copper are measured by using an inductance coupling plasma emission spectrograph in a thiourea hydrochloride medium. The method has the advantages of high accuracy, good reproducibility and wide linear range.

This invention provides such solder paste that prevents, when a minute-size passive component or a semiconductor integrated circuit element having a small terminal pitch is soldered by the solder paste, the solder particles from being oxidized to provide highly-reliable solder joint even when the solder paste is used in a very small amount. Specifically, solder paste obtained by mixing solder alloy powders with flux is structured so that the flux has, at a pre-heating temperature in a heating/melting step, a high temperature retention property by which the flux covers the surface of the solder alloy powders.

The invention relates to a Dy (III)-Ni (II) mixed-metal magnetic complex constructed by mixed ligand as well as a preparation method and an application of the complex. A chemical formula of the complex is [DyNi (L1) (L2)5], wherein L1 represents phenanthroline or 2, 2'-dipyridyl, and L2 represents monovalent anion of phenyl aromatic monobasic acid. The complex is prepared by adopting a hydrothermal method, and has higher yield and good reproducibility; the magnetic complex material is the first case of the Dy (III)-Ni (II) mixed-metal magnetic complex containing phenyl aromatic monobasic acid and nitrogen heterocyclic neutral ligand, and the alternating current magnetic susceptibility of the complex has an obvious frequency dependence phenomenon, namely slow-relaxation magnetic behavior, in the low-temperature area; and accordingly, the complex can be taken as a molecular magnetic material and has a huge application value in the aspects of high-density information storage equipment and the like.

A method for manufacturing a vertical cavity surface emitting laser formed by laminating a plurality of layers on a substrate, includes coupling two layers of the plurality of layers by joining at room temperature or joining while heating.

The invention relates to a hardware bending technology, and in particular to a 90-degree seamless bending processing technology for aluminum alloy sections. According to the 90-degree seamless bending processing technology for the aluminum alloy sections, the aluminum alloy sections are bent into a right angle in the mode that one face of the mutual perpendicular two faces of the aluminum alloy sections is compressed along the deformation top point and the other face is stretched along the deformation top point. According to the 90-degree seamless bending processing technology for the aluminum alloy sections, an extrusion mode of enabling the bent parts of the aluminum alloy sections to be even in stress and deformation is adopted for formation, and then extrusion trimming is cut off; the characteristics that the materials of aluminum products are good in fluidity and malleability are utilized, the mode that formation is achieved through die extrusion in three steps is adopted, the 90-degree seamless bending effects of the aluminum alloy sections with good appearance, size and intensity can be achieved, reproducibility is good, and the high standard requirements of the aspects of the appearance, the size and the intensity of television outer frames, tablet personal computer outer frames, 3C consumption products and high-end decorative frames are met.

The invention belongs to the technical field of biological materials, and particularly relates to a porous bracket with micro grooves on pore walls and a preparation method thereof. The pore walls of the porous bracket are provided with micro grooves, the porosity is 20-99%, the pore size is 5-2000 mu m, the width of each micro groove is 20 nm -300 mu m, the depth of each micro groove is 20 nm-300 mu m, and the percentage of coverage of the micro grooves on the pore wall surface is 0.5-98%; and the substrate of the bracket is made of self-adhesive dissoluble high molecular material with plasticity. The preparation method comprises the following steps: evenly mixing fibrous substance, porogenic agent and substrate material in solvent, and carrying out die pressing/particle leaching at roomtemperature. The bracket is constructed with a unique micro groove structure in a three-dimensional space structure, and provides a new three-dimensional space for the response of cells and material.The three-dimensional porous bracket can be used as a carrier for cell adhesion and orientated growth.

The invention relates to a method for controlling quality of a near-infrared holographic fingerprint spectrum of a pill of six ingredients with rehmannia. The method combines fingerprint spectrum technology with the characteristics of a detected composition, utilizes a near-infrared spectrum to carry out analysis and detection of physicochemical property on all samples relevant to hydrogen contained groups, and ensures that the detected composition is accurate and reliable. The application of near-infrared spectrum detection and a chemometrics method can more accurately grasp the whole quality of relevant drugs, thereby effectively ensuring safety, uniformity, stability, effectiveness and controllability of the pill of six ingredients with rehmannia. The method for controlling the quality has simplicity and convenience, an accurate result, and good repeatability, can be used for quality evaluation, quality control and new medicine development of traditional Chinese medicine, and in particular can be used as one of indexes for quality control and truth authentication of the pill of six ingredients with rehmannia.

A packaging method includes selecting cyclopentaneous and ice-acetic with low solubility and high boiling point comparing to perspex as adhesive, preparing perspex microflow control chip substrate with microflow channel, drop-coating said adhesive on cover film of perspex and then closing it with substrate, placing them in oven at 75-85 deg.c, bring 1-2 N/cm2 pressure for 10-15 min, on it through two glass plates, cooling it to room temperature to obtain product of perspex microflow control chip.

The present disclosure provides extended release compositions including, formulations that comprise such compositions, which exhibit desirable dissolution of an active agent while maintaining its physical stability in a dosage form including, for example, providing reduced sample variability, e.g., in the form of reduced inter-capsule variability and/or a reduction in storage-time dependent change in mean release of the active agent from the composition. Related methods of making and administering the disclosed compositions and formulations are also provided.

In a wafer processing apparatus, wafers are sequentially placed one by one on a ceramic plate of a wafer stage within a vacuum chamber. The pressure of a heat-conductive gas introduced at this time between the wafer and the ceramic plate is adjusted to control the temperature of the wafer, and the wafer is processed by use of plasma. In this case, the user can select any one of a process for regulating the pressure of the heat-conductive gas each time the wafers are sequentially placed on the wafer stage, a process for optimizing aging conditions, and a process for optimizing heater conditions so that the wafer temperature variation within lot can be reduced by performing the selected process. The selected process is performed on the basis of its conditions that are computed to determine by a control-purpose computer of the processing apparatus.