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257results about How to "Avoid adverse effects" patented technology

Device and process for applying and/or detaching a wafer to/from a carrier

ActiveUS20090258583A1Avoid adverse effectsAdverse effects of vacuum grooving on the wafer are also avoidedLayered productsGrinding drivesMembrane configurationElectrical and Electronics engineering
The invention relates to a device for applying and / or detaching a wafer to / from a carrier witha deformable membrane which can be aligned parallel to the contact surface of the wafer, with one contact side for at least partial contact-making with the contact surface,deformation means which are located backward to the contact side for deformation of the membrane which can be controlled in a defined manner andadhesion means for adhesion of the wafer to the membrane and process for detaching and / or applying a wafer to / from a carrier with a corresponding device.
Owner:THALLNER ERICH

Sigma-Delta analog-to-digital converter

The invention discloses a Sigma-Delta analog-to-digital converter adopting a novel C type reverser. The Sigma-Delta analog-to-digital converter comprises a Sigma-Delta modulator (52) based on the novel C type reverser, as well as an anti-aliasing filter (50), a sampling holder (51) and a digital extraction filter (53) based on the prior art. In the Sigma-Delta modulator (52), a loop filter (55) is realized by a pseudo-difference structure switched-capacitor integrator based on the novel C type reverser through the single-loop serial mode or the multi-path cascade mode of the prior art; by thebulk potential modulating action of a bulk potential modulator in the novel C type reverser at the input tube body end of the reverser, the adverse effect of the process deviation on the loop filtering accuracy of the analog-to-digital converter is overcome; and under the condition that the power consumption is not obviously increased, the stability and the robustness of the circuit are greatly improved.
Owner:ZHEJIANG UNIV

Suppository and preparation thereof

The invention relates to a suppository, belonging to a field of drug preparation. Compared with conventional suppository, the suppository provided by the invention can change the appearance of drug preparation well, and has good inclusion action for odor, moreover the stability and therapeutic effect of drug preparation are improved obviously.
Owner:HAINAN BIKAI PHARM CO LTD

Touch control display panel

The application discloses a touch control display panel. The touch control display panel comprises a display area, and further comprises a colored film substrate, a cover plate and a fingerprint detection electrode, wherein the fingerprint detection electrode is arranged in the display area, the fingerprint detection electrode is located between the colored film substrate and the cover plate, and the fingerprint detection electrode is used for receiving fingerprint detection signals, and generates fingerprint sensing signals according to sensed fingerprints. The touch control display panel can achieve lighting and thinning and narrow bezel design of a display device having a fingerprint detection function.
Owner:XIAMEN TIANMA MICRO ELECTRONICS

Constant-temperature dehumidifying air conditioner and dehumidifying method

The invention relates to a constant-temperature dehumidifying air conditioner and a dehumidifying method. The air conditioner comprises a compressor, a cross valve, an outdoor heat exchanger, throttling devices a and b, and an indoor heat exchanger which are connected through a refrigerating pipeline, wherein the indoor heat exchanger comprises a first heat exchanger and a second heat exchanger which are connected through the throttling device b, and the air conditioner is controlled to switch among a refrigerating dehumidifying mode, a reheating dehumidifying mode or a heating dehumidifying mode through changing the states of the compressor, the cross valve and the throttling devices a and b according to the difference between the indoor temperature and the set temperature. The air conditioner has the advantages that while the air conditioner dehumidifies, the indoor temperature is maintained near the set temperature value, and the comfortable indoor environment is realized; meanwhile, the adverse effect on the air conditioner by the frequent switching of the running modes is avoided, so the service life of the air conditioner is prolonged.
Owner:HISENSE (SHANDONG) AIR CONDITIONING CO LTD

Full-size quick blade detection method and equipment

The invention provides a full-size quick blade detection method and equipment, aiming at overcoming the defects of low blade measurement efficiency, insufficient obtained information amount and the like in the prior art. The full-size quick blade detection method mainly comprises the following steps of: building an original model of a blade support and a basic coordinate system; installing a blade to be detected on the blade support; measuring the blade support and the blade, and loading the measured data into the original model to complete single measurement; splicing measuring results in the basic coordinate system; and judging whether the results are complete, if so, optimizing the measuring results, and if not, returning to single measurement. The full-size quick blade detection equipment comprises a blade support and a two-axis turntable, wherein the blade support comprises a frame mark point support and a blade fixture; and the frame mark point support and the blade fixture are respectively connected with the two-axis turntable fixedly. The method and the equipment improve the measurement efficiency and accuracy of the blade and are suitable for the full-size measurement environment after detection and manufacture in the blade manufacturing engineering.
Owner:HEILONGJIANG UNIVERSITY OF SCIENCE AND TECHNOLOGY

Atomizing device capable of controlling intake dose and control method thereof

PendingCN109924548AAvoid adverse effectsIntake dose control or restrictionRespiratorsMedical devicesEnergy statisticsPower control
The invention discloses an atomizing device capable of controlling intake dose and a control method thereof. The atomizing device comprises a battery, a circuit control board, a heating resistor, an atomizing channel, a suction nozzle, a detection air passage and a pressure sensor. The circuit control board comprises a micro controller, an air flow calculation unit, an energy statistics unit, an energy and atomizing amount conversion unit and a power control unit, which are electrically connected, and the air flow calculation unit is converting the modeling volume of the detection air passageand change of suction pressure to a corresponding air flow value. The power control unit controls the output power output to the heating resistor according to the air flow value, and the energy statistics unit calculates the output energy according to the output power and the time, and the energy and atomizing amount conversion unit converts the energy into the corresponding aerosol intake value,the micro controller compares the intake value with a preset aerosol intake limit value and sends a corresponding control signal to control the power control unit to control the aerosol intake dose.
Owner:HUIZHOU HAPPY VAPING TECH LTD

Grounding leakage current detecting device for train power supply system

The invention discloses a grounding leakage current detecting device for a train power supply system, comprising a current sensor (1) and a leakage current detecting module (2) which are connected with each other. A grounding point (10) of the train power supply system is grounded through the current sensor (1); a protective resistor (3) is connected in parallel outside the current sensor (1); the grounding point (10) of the train power supply system also is grounded through the protective resistor (3). The grounding leakage current detecting device makes the current sensor not influence former protection functions and grounding detection of circuits when the circuits are normal, short-circuiting and open-circuiting through the protector resistor, still has a grounding protection function when the current sensor is invalid and prevents a floating voltage caused by an open circuit from causing harmful effects on power supply circuits, and has the advantages of high measurement precision, good security, good electromagnetic compatibility, simple circuit and low cost.
Owner:ZHUZHOU CSR TIMES ELECTRIC CO LTD

Laser radar

The invention relates to the technical field of laser radars, and provides a laser radar. The laser radar comprises a laser transmitter, a collimation unit, a reflector element, a filter, a laser receiver and a main control panel, light sent out by the laser transmitter passes through the collimation unit and then shines upon the reflector element, an obtained reflected light beam penetrates through the filter to obtain emergent light, the emergent light is reflected, then shines upon the reflector element and then is received by the laser receiver, the main control panel works out target object information according to light beam information received by the laser receiver, and a shielding case is arranged among the collimation unit, the reflector element and the filter, so that light among the collimation unit, the reflector element and the filter is propagated in the shielding case. According to the laser radar, adverse effects of filter echoes to the laser radar can be avoided, thetarget object information is judged accurately, and then the use safety level of external equipment is raised.
Owner:WUHAN WANJI INFORMATION TECH

Parallel-connected torque control system and method for hydraulic hybrid power vehicles

The invention discloses parallel-connected torque control system and method for hydraulic hybrid power vehicles, belonging to the torque control systems and methods for multi-energy vehicle powertrains. The system comprises a management layer, a control layer and an execution layer. A management layer module is used for confirming the expected driving torque of a whole vehicle under the current situation by combining with the vehicle speed under the current state according the operation behaviors of a driver to an accelerator pedal. A control layer module is used for judging the operation mode of a hybrid power system according to the information acquired by a plurality of sensors and reasonably distributing the output torques of an engine and a hydraulic hybrid power system. An executionlayer module is used for independently controlling respective controlled objects according a control command of the control layer and feeding back the state variable of each part to the control layer. The invention has the advantages of reasonably distributing the output torques of the engine and a hydraulic pump motor, ensuring that the output torque of the engine is relatively concentrated on an optimal economical zone, and avoiding adverse influences of the frequent starting and stopping of the engine and the hydraulic pump motor to elements.
Owner:XUZHOU CONSTR MACHINERY INST XUZHOU CONSTR MACHINERY GRP

Impact-resistant bolt connecting device

The invention relates to an impact-resistant bolt connecting device, comprising a bolt, a tubular bolt sleeve, an elastic pin and an elastic element; wherein the bolt is used for connecting a carriage and a wheel carrier in a dismountable way, one of the carriage and the wheel carrier is provided with a fixed leg, the other is provided with a fixed sleeve for containing the fixed leg, and the fixed leg and the fixed sleeve are all provided with a bolt hole into which the bolt can be inserted transversely; one end of the tubular bolt sleeve is open and is connected with the fixed sleeve, the other end is sealed and is provided with a hole through which the bolt can pass; the elastic pin is arranged in the tubular bolt sleeve and penetrates the bolt along radial direction to be fixed on the bolt; one end of the elastic element is against on the elastic pin, and the other end is against on the other end of the tubular bolt sleeve. The bolt connecting device can be resistant to impact of blown sand and flying stone and can prevent influence caused by strong vibration.
Owner:OCEANS KING LIGHTING SCI&TECH CO LTD +1

Preparation method for side gating graphene field effect transistor

The invention discloses a preparation method for a side gating graphene field effect transistor structure based on chemical vapor deposition graphene. The preparation method comprises placing copper foil in a reaction chamber, vacuumizing the reaction chamber, and performing thermal annealing on the copper foil; growing the graphene by chemical vapor deposition (CVD); transferring the graphene to a high k substrate; utilizing a lithography machine to expose source drain and side gating positions; utilizing an oxygen plasma etching machine to etch the graphene at the side gating positions; using an E-beam device to evaporate metal on a sample; enabling the sample where the metal is evaporated to be placed in acetone to perform ultrasonography, then rinsing the sample in absolute ethyl alcohol, using deionized water to flush the sample, and finally using pure nitrogen to dry the sample. Due to the fact that the side gating structure is adopted, deposition of a top gate medium is avoided, and poor influence of the top gate medium on the graphene material property is avoided. Due to the fact that the high k substrate is adopted, the modulation capability of side gating on a graphene conducting channel is improved.
Owner:XIDIAN UNIV

Fixing device, reaction cavity and plasma processing device

The invention provides a fixing device, a reaction cavity and a plasma processing device; the fixing device is used for fixing a processed workpiece on a bearing surface of a pedestal in the reaction cavity, and comprises a fixing annular plate positioned above the pedestal; an inner periphery wall of the fixing annular plate is provided with a plurality of fixing paws arranged on the periphery at intervals; the bottom surface of each fixing paw is stacked on an edge portion of the top surface of the processed workpiece on the bearing surface of the pedestal, thus fixing the processed workpiece on the bearing surface of the pedestal. The pedestal needs not to be lowered relative to the fixing device, and the processing area of the processed workpiece can be enlarged, thus satisfying later procedure needs and reducing processing difficulty of the later procedure, and ensuring technical stability.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Semiconductor memory device and data processing device

When writing into an antifuse memory element finishes, a value of resistance of the memory element rapidly decreases; accordingly, an output voltage of a boosting circuit which produces a writing voltage rapidly decreases. By detecting a change in the output voltage of the boosting circuit to control a writing command, the writing operation can be stopped immediately after the memory element is shorted. Thus, unnecessary current consumption caused by continuing a writing operation on the shorted memory element can be suppressed.
Owner:SEMICON ENERGY LAB CO LTD

Cutter device for board printing production line

The invention discloses a cutter device for a board printing production line. Through guide strips, side plates can move frontwards and backwards and cannot be inclined at the same time. Through fastening screws, the side plates can be conveniently fixed and prevented from sliding when working. Through cooperative arrangement of air cylinders, a cutter installation plate, a cutter, tightly pressing rod sleeves, springs and tightly pressing rods, a board can be tightly pressed when cut, and the cutter stably cuts off the board. Through cooperative arrangement of guide grooves and guide sliding blocks, the cutter installation plate can stably and vertically move. Through cooperative arrangement of an air pump, electromagnetic valves and spray heads, chippings can be conveniently blown off. By the adoption of the cutter device for the board printing production line, the horizontal position of the cutter can be arranged at will, the boards can be conveniently cut to have different lengths according to needs, the chippings which may be generated during cutting can be blown off, an adverse influence on the cutting process is avoided, and the product quality is guaranteed.
Owner:江苏韵燕印刷版材有限公司

Lithium-ion battery silicon carbon negative electrode material and preparation method thereof

The invention provides a lithium-ion battery silicon carbon negative electrode material and a preparation method thereof. The preparation method of the lithium-ion battery silicon carbon negative electrode material comprises the following steps: S1, after mixing a silicon source and a solvent, wet grinding is performed under an oxidizing condition to form an oxide layer on the surface of the silicon source, wherein the mass of oxygen element accounts for 9.8% to 14% of the mass of the silicon source, and a slurry is obtained; S2, the slurry obtained in step S1 is compounded with a carbon material and dried to obtain a silicon carbon core material; S3, the silicon carbon core material obtained in step S2 is subjected to a fusion process treatment, and then mixed with a carbon coating material uniformly, and then calcined at a high temperature to be shaped; and S4, the material obtained in step S3 is crushed and sieved to obtain the silicon carbon negative electrode material. According to the invention, controlled oxidation of nano-silicon is realized during the wet grinding process, so that an oxide layer is formed on the surface of the silicon source; and the presence of the oxidelayer avoids side reactions between the silicon source and the electrolyte, and reduces the phenomenon of electrochemical agglomeration during the cyclic process at the same time; therefore, the cyclestability of the silicon carbon negative electrode material is significantly increased.
Owner:SHAANXI COAL & CHEM TECH INST

High-strength high-toughness pressure vessel steel plate and preparation method thereof

The invention discloses a high-strength high-toughness pressure vessel steel plate which comprises the following chemical components in percentage by mass: 0.160-0.210% of C, less than or equal to 0.55% of Si, 1.58-1.80% of Mn, less than or equal to 0.012% of P, less than or equal to 0.0025% of S, less than or equal to 0.45% of Ni, less than or equal to 0.020% of Al, 0.13-0.18% of V, 0.0080-0.0180% of N, less than or equal to 0.0005% of Mg and the balance of Fe and inevitable impurities. The V-Ni-N alloy system is adopted, a heterogeneous core fine dispersion effect formed by introducing Mg and the means of controlling the components Al, N and V are combined, and the medium / low-temperature heating system and the crystallization controlled rolling technology are adopted, so that the steel can achieve excellent low-temperature high strength and high toughness, can effectively solve the technical problem that the conventional pressure vessel steel plate difficultly meets the low-temperature service requirement, and has important popularization and application value.
Owner:武汉钢铁有限公司

Process for producing special covered yarn and product thereof

The invention relates to a process for producing special covered yarn, which mainly comprises merging and twisting; after merging at least one yarn to form a yarn core, twisting the yarn core with a double twister, wherein the number of twists is 200-1800; and covering fibers on the twisted yarn core by using a covering machine, wherein the twisting direction in the covering process is opposite to the twisting direction of the yarn core, and the numbers of twists are the same. The technique does not need to carry out thermal-insulation setting on the covered yarn, and is especially suitable for covered yarn of which the core uses a high-temperature resistant material.
Owner:沈新华

Self-lubricating ceramic composite material with biomimetic structure and preparation method thereof

The invention discloses a self-lubricating ceramic composite material with a biomimetic structure and a preparation method thereof. The composite material has a structure which is alternately laminated by ceramic layers and lubricating layers, wherein the ceramic layer is ZrO2, Al2O3, or ZrO2-Al2O3, and the lubricating layer is made of graphite, molybdenum disulfide, or hexagonal boron nitride. The composite material has excellent friction and abrasion performance.
Owner:LANZHOU INST OF CHEM PHYSICS CHINESE ACAD OF SCI

Light path structure of paper oil insulation space electric field measurement and adjusting method thereof

The invention discloses a light path structure of paper oil insulation space electric field measurement and an adjusting method thereof, belonging to the technical field of optical electric field measurement of high voltage insulation. The light path structure is composed of a helium-neon laser, an opto-isolator, a polarizer, a quarter-wave plate, a Kerr-cell, an analyzer and a photoelectric detector; auxiliary optical devices also comprise a micropore diaphragm, a polarized beam splitter and an optical power meter. The angle of the optical device in the light path structure is calibrated and the direction thereof is adjusted, the helium-neon laser is firstly fixed on an optical table, and then the micropore diaphragm is used for adjusting the height and direction of the helium-neon laser; then the angle of each optical device is calibrated and the direction thereof is adjusted according to the light path structure. The invention can effectively prevent the interference of the specular reflection beam of the optical device to the output intensity of the laser, improve the measurement accuracy, effectively guarantee the repeatability and reliability of each experiment, simplify the experiment process, besides, the operation is convenient.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

RFID labeling-based highway emergency warning message (EWM) data packet identification and reception method

The invention discloses a RFID labeling-based highway emergency warning message (EWM) data packet identification and reception method. The method comprises that 1, a RFID responder is installed at each inlet of a highway, wherein the responder comprises ID information of the highway and information related to mileage from the starting inlet of the highway to the responder and ID information data of parts of the same highway along different driving directions are different, 2, when a vehicle goes through an inlet of the road provided with the RFID responder, a reader installed in the vehicle reads highway ID information and mileage information in the responder, 3, a vehicle-mounted CPU effectively processes and records the acquired ID information and mileage information, accumulates the recorded mileage to the mileage computed at the intersection, and continuously updates the memory cell, and 4, through EWM information received by an OBU, according to preferential identification and comparison between the ID information and mileage information in the EWM data packet, the vehicle determines a relative position relationship with a vehicle in an accident and then determines if the EWM information needs to be read or transmitted.
Owner:蔚复来(浙江)科技股份有限公司

Method for measuring contact angle and surface energy of cement-based material

The invention discloses a method for measuring a contact angle and surface energy of a cement-based material. The method comprises the following steps: A, processing a surface of a sample; B, providing an instrument, a reagent and a test environment; C, measuring the contact angle; and D, calculating surface energy of the sample through a formula, namely immersing a test surface of a test concrete sample in water, slowly releasing nonpolar droplets from the lower part of the surface by using an injector, attaching the nonpolar droplets on the surface of the sample, measuring the contact angle by using a video optical contact angle measuring instrument, and calculating the surface energy of the cement-based material by using a derived formula.
Owner:SHENZHEN UNIV

Method for preparing high-silicon steel ribbon through using electric brush composite plating method and continuous silicon steel ribbon preparing device

The invention discloses a method for preparing a high-silicon steel ribbon through using an electric brush composite plating method. The method is characterized in that a pure iron ribbon, a low-carbon steel ribbon or a low-silicon steel ribbon is used as a cathode plating piece ribbon, an electric brush plating anode plate is used as an anode, a layer of iron-silicon iron particle composite plating layer is coated on the cathode plating piece ribbon through using an electric brush composite silicon plating process, a composite plating layer steel ribbon adopting a steel-ribbon substrate as a core part is formed, then the uniform dispersion heat treatment is carried out, silicon-contained particles in the iron-silicon iron particle composite plating layer are uniformly dispersed into the steel ribbon substrate of the core part, and the high-silicon steel ribbon can be continuously prepared. The invention also discloses a continuous silicon steel ribbon preparing device which comprises an unreeling guide device, a conveying device, an electroplating device, a dispersion heat treatment device and a rolling device. The high-silicon plating layer is electrically plated on the cathode plating piece ribbon, then the high-silicon steel ribbon with an excellent magnetic conduction performance is obtained through using a heat treatment process, the simplicity in operation can be realized, characteristics such as high efficiency and continuity in preparation can be achieved, and the preparation cost also can be greatly reduced.
Owner:SHANGHAI UNIV

Cochlear implant

The invention provides a cochlear implant which comprises an external cochlear implant device and an internal cochlear implant device. The external cochlear implant device comprises a front microphone and a rear microphone. The front microphone and the rear microphone are arranged on the external cochlear implant device, are different in sound tube direction and are both used for receiving original voice signals, and two microphone voice noise-reduction processing systems are connected with the front microphone and the rear microphone respectively and carry out noise reduction processing on the two original voice signals to extract pure voice signals. According to the cochlear implant, a dual-stage noise reduction mode is adopted, the sound tube directions of the two microphones are ingeniously designed, the power spectral subtraction theory is introduced in cooperation, noise-contained voice and noise are estimated, and the algorithm complexity is greatly lowered compared with a traditional spectral subtraction algorithm; in addition, the defect that noise of noise-contained voice signals is inaccurately estimated in the traditional spectral subtraction algorithm is overcome, and adverse effects of music noise caused by the traditional spectral subtraction noise reduction algorithm on use of the cochlear implant are also avoided.
Owner:SHANGHAI LISTENT MEDICAL TECH CO LTD

Semiconductor single crystal production apparatus

An apparatus designed to increase the quality of a low-resistance semiconductor single crystal doped with an N-type volatile dopant to a high concentration and increase the production yield by controlling the pressure inside the furnace with good controllability. A vacuum line, a pressure control valve, and an open valve are newly added to the conventional semiconductor single crystal production apparatus. A controller controls the pressure control valve on the basis of a detection value of pressure detection means so as to obtain the desired low resistance value of the semiconductor single crystal. The open valve is controlled so that the open valve is opened in a case where the pressure inside the furnace detected by the pressure detection means reaches an abnormal value.
Owner:SUMCO TECHXIV

Code track resource allocation method for time division code division multiple access system high-speed ascending grouping access

This invention discloses a distribution method for code channel resource accessed by TD-CDMA, in which, a UE starts up an inbound authorization application to node B by E-RUCCH or E-PUCH, and node B applies a dispatch algorithm to appoint a spread spectrum code channel, its power and time slot to the UE according to the size of the inbound information block, radio resource and UE service grade condition and sends them to the UE by E-AGCH, the UE selects a suitable modulation mode and a transmission block and applies a speed rate match algorithm to upload data to node B on the spread spectrum code channel and time slot distributed by node B.
Owner:ZTE CORP

New energy straw recovering and processing device

The invention discloses a new energy straw recovering and processing device, which comprises a device protection shell. The inlet of the top wall of the device protection shell is connected to a feeding device. The outer top wall of the device protection shell is fixedly connected to a dust suction device. The inner lateral wall of the device protection shell is fixedly connected to an installation plate. The right lateral wall of the installation plate is fixedly connected to a drying device. The inner rear wall of the device protection shell is connected to a crushing device. The inner rearwall of the device protection shell is connected to a compression device. The new energy straw recovering and processing device is provided with the dust suction device, which can collect flying dusts, the bad influence on the respiratory system of humans and environment is avoided; the drying device can dry the straws to prevent mildew after long term storage; the compression device can press andmould crushed straws, and the transportation becomes convenient.
Owner:JILIN JIANZHU UNIVERSITY

Anti-blocking plane gate

The invention provides an anti-blocking plane gate. The anti-blocking plane gate effectively solves the problem that an existing gate does not have a filtering effect, is easy to block and cleans debris difficultly; the anti-blocking plane gate comprises a U-shaped frame body, wherein a supporting plate is fixed above the frame body, the frame body is internally slidably connected with a baffle located at the front side of the frame body and capable of moving vertically, the frame body is internally provided with a filter plate located behind the baffle and capable of sliding in the frame bodyfront and rear, the rear side of the frame body is fixedly provided with a supporting frame placed left and right, the rear end face of the filter plate is fixedly connected with the supporting framethrough a plurality of first springs, the bottom of the frame body is provided with a groove in the left-right direction and located below the filter plate, the bottom of the groove is connected witha scraper plate capable moving vertically through a plurality of second springs, and the left and right sides of the frame body are provided with cleaning grooves respectively. The anti-blocking plane gate has the advantages that the filter plate is arranged in the frame body to filter out the debris in water to prevent the debris from adversely affecting crops; the scraper plate capable moving vertically is arranged to scrape the debris adhering to the filter plate, thereby preventing the filter plate from being blocked, providing convenience for cleaning the debris and improving the water filtration efficiency.
Owner:HENAN UNIVERSE VALVE CO LTD
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