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84results about How to "Reduce planarity" patented technology

Polishing pad

A polishing pad capable of maintaining a high level of dimensional stability upon moisture absorption or water absorption and providing high polishing rate includes a polishing layer of a polyurethane foam having fine cells, wherein the polyurethane foam includes a cured product of a reaction of (1) an isocyanate-terminated prepolymer (A) that includes an isocyanate monomer, a high molecular weight polyol (a), and a low molecular weight polyol, (2) an isocyanate-terminated prepolymer (B) that includes a polymerized diisocyanate and a polyethylene glycol with a number average molecular weight of 200 to 1,000, and (3) a chain extender.
Owner:ROHM & HAAS ELECTRONICS MATERIALS CMP HLDG INC

Star-cluster double-loop on chip network topology construction

The present invention provides a network topology structure on a star-cluster double-loop (SCDL), and the structure consists of 4m*2k processing units and 4m switching nodes, wherein, each 2k processing units are connected to form a star network topology structure, therefore, 4m star structures are formed; switching nodes of the 4m star structures are connected to form DL (2m) interconnection network topology structures. The present invention has the characteristics of canonicity, symmetry, planarity, excellent extendibility, lower network cost, simple switching nodes and simple routing policy. According to the present invention, a switching node is connected with four processing units, therefore, communication distance between processing units is reduced, localization feature of the system is improved, delay of the system is reduced and throughput of the system is improved. A novel Johnson coding method can be adopted by the switching nodes and processing units of the present invention, and the method make the coding of the switching nodes and processing units imply information of adjacent nodes and links of the interconnection network; therefore, the route algorithm design is simple.
Owner:XIAN UNIV OF POSTS & TELECOMM

Semiconductor device and method of manufacturing the same

A bump electrode, a dummy bump, and a heat-resistant polymer film, whose upper-surface heights are uniformed, are formed on each of a first silicon substrate and a second silicon substrate, and then, the first silicon substrate and the second silicon substrate are bonded to each other so that the bump electrodes formed on the respective substrates are electrically connected to each other. At this time, the dummy bump is arranged so as to be bonded to the heat-resistant polymer film on the silicon substrate opposed thereto, so that a semiconductor device having both of good electrical connection between the bump electrodes and bump protection performance obtained by a polymer film with high heat resistance and without voids can be achieved.
Owner:HITACHI LTD

Method for manufacturing semiconductor substrate

When a single crystal semiconductor layer is bonded to a base substrate, a silicon oxide film is preferably used for one or both of the base substrate and a single crystal semiconductor substrate. According to this structure, an SOI layer having a strong bonding strength in a bonding portion can be obtained even when a substrate having an upper temperature limit of 700° C. or lower such as a glass substrate is used. In addition, a single crystal semiconductor substrate from which the single crystal semiconductor layer has been separated is reprocessed in such a manner that the single crystal semiconductor substrate is irradiated with laser light from the separation surface side of the single crystal semiconductor substrate, to melt the surface of the single crystal semiconductor substrate during the melting time per area of 0.5 microseconds to 1 millisecond. Then, the reprocessed single crystal semiconductor substrate is reused.
Owner:SEMICON ENERGY LAB CO LTD

Boron-containing organic compound and application thereof in organic electroluminescent device

The invention relates to a boron-containing organic compound and application of the boron-containing organic compound to an OLED device. The structure of the compound is shown as a general formula (1), the whole molecule of the compound is a large rigid structure, and the introduction of substituent groups reduces the planarity of a material, so the steric hindrance of the material is increased, the material is not easy to rotate, and a three-dimensional space structure is more stable; and therefore, the compound has higher glass transition temperature and molecular thermal stability. In addition, the HOMO and LUMO distribution positions of the compound are separated from each other, so the compound has appropriate HOMO and LUMO energy levels; and therefore, after the compound is applied to the OLED device, the luminous efficiency of the device can be effectively improved, and the service life of the device can be effectively prolonged.
Owner:JIANGSU SUNERA TECH CO LTD

Fluorescent sensing polymer material for detecting nitryl explosives and preparation method

The invention discloses a fluorescent sensing polymer material for detecting nitryl explosives and a preparation method. The preparation method of the material comprises the following steps: taking 2,5- dibromo thiophene, poly(phenyleneethynylene) polymer and 2,7-dibromo-9,9-diphenylfluorene as raw materials; and polymerizing to obtain the fluorescent sensing polymer material. 9,9-Diphenylfluorene and thiophene monomer are introduced to synthesize the poly(fluorenyleneethynylene) polymer (PFEs). The 9,9-diphenylfluorene unit is introduced in the poly(phenyleneethynylene) polymer to weaken Pi-Pi stacking between skeletons, permeability of the polymer is improved, the polymer has rigid steric hindrance, meanwhile, the thiophene unit is introduced to enable the polymer to be rich in electrons, and an electron transfer function of the electrons between the nitro-aromatic compounds and the sensor is promoted.
Owner:QILU UNIV OF TECH

Organic compound containing spirofluorene dibenzocycloheptene and application of organic compound

The invention discloses an organic compound containing spirofluorene dibenzocycloheptene and an application of the organic compound. The compound with spirofluorene dibenzocycloheptene as a core is connected with a nitrogen-containing branched chain through phenyl, biphenyl or naphthyl. The compound is not prone to crystallization, has good film-forming property and heat stability and has higher glass transition temperature and proper HOMO and LUMO energy levels; by means of optimization of device structure, photoelectric property of an OLED (organic light emission diode) device can be effectively improved, and the service life of the OLED device can be effectively prolonged, so that application requirements of a panel manufacturing enterprise can be met better.
Owner:JIANGSU SUNERA TECH CO LTD

Pyrene-containing organic compound and application in OLED

The invention relates to a pyrene-containing organic compound and application in OLED, and belongs to the technical field of semiconductors, wherein the structure of the compound is represented by a general formula (1). The compound provided by the invention has relatively strong hole transport capability, and the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; and when the compound is used asa functional layer material of an OLED light-emitting device, exciton utilization rate and high fluorescence radiation efficiency can be effectively improved, efficiency roll-off under high current density is reduced, device voltage is reduced, current efficiency of the device is improved, and service life of the device is prolonged.
Owner:JIANGSU SUNERA TECH CO LTD

Method of manufacturing soi substrate

To provide an SOI substrate with an SOI layer that can be put into practical use, even when a substrate with a low allowable temperature limit such as a glass substrate is used, and to provide a semiconductor substrate formed using such an SOI substrate. In order to bond a single-crystalline semiconductor substrate to a base substrate such as a glass substrate, a silicon oxide film formed by CVD with organic silane as a source material is used as a bonding layer, for example. Accordingly, an SOL substrate with a strong bond portion can be formed even when a substrate with an allowable temperature limit of less than or equal to 700° C. such as a glass substrate is used. A semiconductor layer separated from the single-crystalline semiconductor substrate is irradiated with a laser beam so that the surface of the semiconductor layer is planarized and the crystallinity thereof is recovered.
Owner:SEMICON ENERGY LAB CO LTD

Method for manufacturing semiconductor substrate

When a single crystal semiconductor layer is bonded to a base substrate, a silicon oxide film is preferably used for one or both of the base substrate and a single crystal semiconductor substrate. According to this structure, an SOI layer having a strong bonding strength in a bonding portion can be obtained even when a substrate having an upper temperature limit of 700° C. or lower such as a glass substrate is used. In addition, a single crystal semiconductor substrate from which the single crystal semiconductor layer has been separated is reprocessed in such a manner that the single crystal semiconductor substrate is irradiated with laser light from the separation surface side of the single crystal semiconductor substrate, to melt the surface of the single crystal semiconductor substrate during the melting time per area of 0.5 microseconds to 1 millisecond. Then, the reprocessed single crystal semiconductor substrate is reused.
Owner:SEMICON ENERGY LAB CO LTD

Anthracene-containing compound, synthesis method thereof, and organic electroluminescent device

The invention provides an anthracene-containing compound, a synthesis method thereof, and an organic electroluminescent device, and relates to the technical field of organic photoelectric materials. In the invention, different ligands are connected to a main structure formed by connecting anthracene and acridine, thus regulating molecular weight, [pi]-conjugation degree and electrophilicity of thematerial, enhancing charge transmission capability, balancing carrier injection and increasing glass transition temperature. The compound is not liable to crystallize and has good film forming performance. The synthesis method is simple and easy to carry out. The compound can be used for producing the organic electroluminescent device, especially as a luminescent layer main body and an electron transfer layer material in the organic electroluminescent device. The organic electroluminescent device has high luminous efficiency and long service life.
Owner:CHANGCHUN HYPERIONS TECH CO LTD

Method for manufacturing optical film

Provided is a method for manufacturing an optical film having such a double refraction as can be used as the polarizing plate protecting film or the like for a liquid crystal display device (LCD). Even in case a wide belt support is used for the film production, the optical film manufacturing method can keep a less meandering stable transfer state to eliminate the poor drying of cast film (or web) end portions or the deterioration of a film flatness thereby to achieve a stable high productivity. In the manufacture of the optical film according to a solution-casting film forming method, the belt support has a width of 1.8 m or more, and the thickness (Te) of the two right and left end portions having a width (We) of 2 to 25 % of the whole belt support width (W) from the two side edges is smaller by 5 to 20 % than the thickness (T) of the remaining portion containing the widthwise central portion of the belt support. Alternatively, the modulus (Ee) of longitudinal elasticity of the two right and left end portions of the belt support is smaller by 5 to 20 % than the modulus (E) of longitudinal elasticity of the remaining portions containing the widthwise central portion of the belt support.
Owner:KONICA MINOLTA OPTO

Micro-cantilever type probe card

A probe card has probe sections with silicon probes formed on an insulated circuit board that are connected by an adhesive on the supporting structures. The supporting structures are supported by fixing structures with each of the fixing structures being fixed on the circuit board. The probe card has the probe section's wiring and the circuit board's wiring being electrically connected by a metallic wiring and the sub printed circuit and the pogo pin electrically connected by an anisotropic conducting film with the sub printed circuit board and the pogo pin. A metallic layer is formed by the plating of the probe in the probe section. This reduces the manufacturing costs by enabling the damaged probes during manufacturing to be discarded and the others being used continually.
Owner:AMST CO LTD

Pyrene-containing organic compound and application in organic electroluminescent device

The invention relates to a pyrene-containing organic compound and application thereof, and belongs to the technical field of semiconductors, wherein the structure of the compound is represented by a general formula (1). The organic compound provided by the invention has relatively strong hole transport capability, and the hole injection and transport performance is improved under a proper HOMO energy level; under the proper LUMO energy level, the electron blocking effect is achieved, and the recombination efficiency of excitons in the light-emitting layer is improved; and when the compound used as a light-emitting functional layer material of an OLED light-emitting device, the branched chains in the range of the invention can be matched to effectively improve the exciton utilization rate and radiation efficiency, reduce the efficiency roll-off under high current density, reduce the device voltage, improve the current efficiency of the device and prolong the service life of the device.
Owner:JIANGSU SUNERA TECH CO LTD

Metal complex and OLED (Organic Light Emitting Device) thereof

The invention discloses a metal complex and an OLED (Organic Light Emitting Device) thereof, and relates to the technical field of organic photoelectric materials. The metal complex has a structure asshown in a formula (I), wherein an electron-rich dinitrogen coordination structure in the structure of the metal complex is beneficial for stabilizing central trivalent metal cations, and meanwhile,electron cloud distribution on metal iridium can also be affected, so that great influence to the photoelectric properties of a whole complex molecule can be generated; a quaternary ring formed by a ligand of the dinitrogen coordination structure and metal has stronger rigidity and is beneficial for reducing unnecessary vibration energy loss and realizing high-efficiency luminescence property. Byregulating substituent groups, the metal complex has better thermal stability and chemical property; by preparing the metal complex into a device and particularly using the metal complex as a doping material, the device has the advantages of low driving voltage and high luminous efficiency and is superior to a commonly used OLED.
Owner:CHANGCHUN HYPERIONS TECH CO LTD

Iridium complex and organic light emitting device thereof

The invention discloses an iridium complex and an organic light emitting device thereof and relates to the technical field of organic photoelectric materials. The iridium complex is of a structure asshown in the formula (I). Due to an electron-rich double-nitrogen coordination structure in the iridium complex structure, trivalent metal cation in the center can be beneficially stabilized, and meanwhile, electron cloud distribution on the metal iridium can be affected, so that photoelectric properties of whole complex molecules can be greatly influenced; and in addition, a four-membered ring formed by ligand of the double-nitrogen coordination structure and the metal has rigidity, unexpected vibration energy loss can be favorably reduced, and high-efficiency light emission properties can beachieved. By adjusting substitution groups, the complex is good in thermal stability and chemical property. The iridium metal organic complex can be prepared into a device and can be particularly used as a doping material, and the device has the advantages of being low in driving voltage and high in light emission efficiency and is prior to conventional common OLEDs (Organic Light Emitting Devices).
Owner:CHANGCHUN HYPERIONS TECH CO LTD

Method for producing metal strips

The invention relates to a method for joining cathode metal sheets to form crude strips that can be coiled and rolled and for the production of metal strips of a constant thickness from crude strips that have been produced from cathode metal sheets of varying thicknesses. The aim of the invention is to produce metal strips of a high purity that are devoid of non-metallic inclusions. The method can be used whenever highly pure and / or inclusion-free metal in strip or foil form is required in large quantities. The application of said method is only limited by the fact that the metal is deposited electrolytically on cathodes, and if permanent cathodes are used, must be separated from said cathodes without fragmentation. This is possible with the following metals: lead, zinc, tin, copper, nickel, cobalt, cadmium, iron and gold.
Owner:STUTH THEODOR

Cavity-transferring material and its preparation method

This invention relates to a hole mobile material TPA-BN-TPA used in organic electroluminescent devices and method for making same, comprising: in the argon gas atmosphere, dissolve the dinaphthalenediboracic acid and 4-bromobenzene-diphenylamine in organic solvent; add in palladium catalyst and catalyst promoter and reflux by heating; extract with organic solvent, dry the organic phase with magnesium sulfate, remove the solvent and obtain the final product. This invention has a simple process, and the produced material is characterized of good solubility, easy to form imperforate dense optically transparent film, which can efficiently realize hole injection. The further element result shows that this compound is a hole mobile material with good combination property, therefore, it can be used in producing high efficient electroluminescent devices.
Owner:INST OF CHEM CHINESE ACAD OF SCI

Semiconductor device and method of manufacturing the same

A bump electrode, a dummy bump, and a heat-resistant polymer film, whose upper-surface heights are uniformed, are formed on each of a first silicon substrate and a second silicon substrate, and then, the first silicon substrate and the second silicon substrate are bonded to each other so that the bump electrodes formed on the respective substrates are electrically connected to each other. At this time, the dummy bump is arranged so as to be bonded to the heat-resistant polymer film on the silicon substrate opposed thereto, so that a semiconductor device having both of good electrical connection between the bump electrodes and bump protection performance obtained by a polymer film with high heat resistance and without voids can be achieved.
Owner:HITACHI LTD

Group III nitride crystal substrate, method of its manufacture, and group III nitride semiconductor device

Affords a Group-III nitride crystal substrate that is of low dislocation density and is inexpensive to manufacture, a method of manufacturing such a substrate, and Group-III nitride semiconductor devices that incorporate the Group-III nitride crystal substrate. The Group-III nitride crystal substrate manufacturing method includes: a step of growing, by liquid-phase epitaxy, a first Group-III nitride crystal (2) onto a base substrate (1); and a step of growing, by vapor-phase epitaxy, a second Group-III nitride crystal (3) onto the first Group-III nitride crystal (2). The Group-III nitride crystal substrate, produced by such a manufacturing method, has a dislocation density of 1×107 dislocations / cm2.
Owner:SUMITOMO ELECTRIC IND LTD

Hole transport material and organic electroluminescent device using same

The invention discloses a hole transport material and an organic light-emitting device using the same, wherein the structural formula of the hole transport material is as shown in formula I. The holetransport material contains an arylamine structure, wherein the electron gain and loss mainly occur on nitrogen atoms, and by connecting with a main core, an electron conjugated system around the nitrogen atoms can be increased, the conjugation effect is enhanced, and the quantum efficiency of photoluminescence is greatly improved, so that the transmission of carriers is facilitated; and the delocalization of electrons is increased due to the increase of a conjugation system, so that traps can be reduced in the transmission of the carriers, the carriers are easier to transmit in the conjugation system, the material has good chemical stability, thermal stability and morphological stability, and can effectively improve the aging resistance of the device, prolong the service life and improvethe luminous efficiency.
Owner:NANJING TOPTO MATERIALS CO LTD

Compound taking spirofluorene alkene structure as core, preparation method and applications thereof

The invention discloses a compound taking a spirofluorene alkene structure as a core, a preparation method and applications thereof, wherein the structure of the compound is shown as a general formula(1). According to the invention, the compound has strong hole transport capability, wherein the hole injection and transport performance is improved under a proper HOMO energy level; under a proper LUMO energy level, the electron blocking effect is achieved so as to improve the recombination efficiency of excitons in a light-emitting layer; and with the application of the compound as the light-emitting functional layer material of an OLED light-emitting device, the utilization rate and the radiation efficiency of excitons can be effectively improved by matching with the branched chains in therange of the invention.
Owner:JIANGSU SUNERA TECH CO LTD

Indolylcarboxylic acid compound and application thereof in preparation of antitumor drugs

The invention relates to the field of pharmaceutical chemistry and discloses an indolylcarboxylic acid compound represented by a formula (I) shown in the description and an application thereof in the preparation of antitumor drugs. The indolylcarboxylic acid compound disclosed by the invention plays a role in inhibiting cyclin-dependent kinase 4 and can be used for preparing the antitumor drugs and providing more pharmaceutical choices for tumor treatment.
Owner:LANZHOU UNIVERSITY

A disc filter apparatus

The disc filter apparatus comprises a drum that is rotatable around a shaft having a centre axis. The drum comprises filter discs positioned at an axial distance from each other. Each filter disc comprises a rim structure supported on the shaft and truncated, sector shaped filter plates mounted circumferentially in a radial plane to form an essentially continuous and planar disc surface. Each filter plate is attached with a fastening arrangement to the rim structure from a lower edge portion of the filter plate through at least three fastening points. The fastening arrangement between the filter plate and the rim structure comprises at each fastening point in the rim structure an adjustable sleeve construction. Prior art solutions require a radially planar fastening surface in the rim structure in order to have all the filter plates in one filter disc in the same radial plane. This is not necessary in the invention due to the use of an adjustable sleeve construction.
Owner:OUTOTEC FINDLAND OY
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