13results about How to "Extended hold time" patented technology

The invention discloses a TC18 titanium alloy organization service performance consistency heat treatment process method, belongs to the field of metal material heat treatment technology, which includes the following steps: the first step of heat treatment: single-phase zone heating, using TC18 titanium alloy, TC18 titanium alloy is kept at Tβ-40℃ for 1h according to the air burning heat treatment process, heated to [Tβ+15℃, Tβ+35℃] for 0-4h, and cooled to room temperature; the second step of heat treatment: double annealing, the cooled TC18 titanium alloy is heated to 820-850℃ for 1-3h and then furnace cooled, after furnace cooling, kept at 740-760℃ for 1-3h and then air cooled, after air cooling, kept at 600-620℃ for 2-6h and then air cooled to room temperature. The present invention selects different insulation temperatures and times, regulates the equiaxed α grain size of TC18 titanium alloy, and determines the heat treatment process parameters, so that the TC18 titanium alloy has both high tensile strength and good strength and fracture toughness.

The invention belongs to the field of artificial intelligence hardware acceleration, and discloses a high-density single-fingered eDRAM storage and calculation integrated macro with bit-level sparse perception and kernel-level weight update, which comprises an input buffer, a weight buffer, a word line decoder, a bit line driver, a single-fingered eDRAM array and an output buffer, the weight buffer is used for writing weights from the off-chip and writing the weights into the single-finger eDRAM array line by line, and each single-finger eDRAM storage unit only stores one bit; the input buffer is used for writing an input activation value and transmitting a multi-bit input activation value into the single-fingered eDRAM array bit by bit from a low bit to a high bit, each row of single-fingered eDRAM is equipped with a bit saliency perception analog-to-digital converter BSA-ADC and is used for executing matrix vector multiplication and transmitting a calculation result to a calculation line CL, the BSA-ADC digitalizes an accumulation result on the calculation line, and the calculation line CL is connected with the input buffer. The result is transmitted to the output buffer; the output buffer is used for outputting the calculation result. The integrated macro has the advantages of high density, low energy consumption and high throughput.

The invention discloses a transistor, a semiconductor device, a preparation method thereof and electronic equipment. The transistor comprises a source electrode, a channel region and a drain electrode which are sequentially arranged along a first direction, and a grid electrode which is arranged at the periphery of the channel region in an insulating manner; the source electrode comprises a first semiconductor layer and a second semiconductor layer, the same ends of the first semiconductor layer and the second semiconductor layer in the first direction are connected with the channel region, and the second semiconductor layer is located on the side, close to the grid electrode, of the first semiconductor layer in the direction perpendicular to the first direction. The doping concentration of the first semiconductor layer is smaller than that of the second semiconductor layer. The invention relates to the technical field of semiconductor devices, in particular to a transistor, a semiconductor device, a preparation method of the semiconductor device and electronic equipment, and aims to restrain accumulation of holes in a channel as a starting point, relieve formation of a parasitic bipolar transistor and prolong storage retention time.

The invention provides a preparation method of a semiconductor structure, the semiconductor structure, a device and equipment, and the method comprises the steps: forming a first semiconductor structure on a substrate, the first semiconductor structure at least comprises a first active structure and a second active structure, and the first active structure is far away from the substrate relative to the second active structure; forming a complementary metal oxide semiconductor (CMOS) transistor based on the first active structure; performing wafer reversing on the CMOS transistor, and exposing the second active structure; based on the second active structure, a memory cell is formed, and a channel of a transistor in the memory cell is a curved channel. According to the invention, homogeneous integration of the CMOS circuit with a logic function and the memory unit with the curved channel can be realized, and the curved channel can increase the equivalent gate length, so that electric leakage is reduced, the retention time is prolonged, and the power consumption is reduced.

The invention discloses a sintering furnace pressure maintaining and pressurizing pump station system and a pressure maintaining working method. The sintering furnace pressure maintaining and pressurizing pump station system comprises an oil supply assembly, an overflow valve safety valve set, a reversing valve control valve set, an energy accumulator and pressure gauge assembly and an electric cabinet assembly. The overflow valve safety valve set adopts the double-stop electromagnetic valve and the proportional overflow valve, the precision of the proportional overflow valve reaches one thousandth, the pressure maintaining precision of the hydraulic oil cylinder is improved, and work is more reliable; the hydraulic pressure maintaining and boosting system of any one of the three branches can be stopped at any time, pressure relief, cylinder retraction and restart are achieved, the set value is automatically adjusted, and the working states of other branches are not affected. The hydraulic oil tank is provided with the electronic temperature and liquid integrated switch, the liquid level and the temperature of hydraulic oil in the hydraulic oil tank are directly displayed on a self-mounted electronic display screen, the liquid level and the temperature of the hydraulic oil can be output to the PLC in a switching value or analog quantity mode, and higher economic benefits are achieved.

The invention relates to the technical field of plastic part processing, in particular to a powder dipping process for a plastic part. A powder dipping technology for a plastic part comprises the following steps that the plastic part is subjected to sand blasting, ultrasonic oil removal, spraying and washing, spot welding, spraying and washing, preheating, powder dipping, curing and cooling, and the plastic part subjected to powder dipping is obtained; the cooling method comprises the following steps: (1) dissolving a surface treating agent in water to obtain a cooling liquid; (2) the plastic part is put into cooling liquid to be cooled, and the cooled plastic part is obtained; wherein the surface treating agent comprises the following raw materials in parts by mass: 15-25 parts of a brightening agent, 5-15 parts of an active agent, 10-20 parts of a lignin / titanium dioxide composite material and 4-8 parts of cetyl alcohol ester; the invention discloses a powder dipping process for a plastic part. The surface glossiness, the retention time, the ultraviolet resistance and the mechanical strength of the plastic part are effectively improved.

The utility model discloses a building construction dust removal fence which comprises a base plate, a mounting seat is fixedly arranged at the top of the base plate, a fence plate is fixedly arranged at the top of the mounting seat, a first ventilation cavity and a second ventilation cavity are formed in the mounting seat and the fence plate respectively, and ventilation mechanisms are arranged on the first ventilation cavity and the second ventilation cavity. A mounting plate is fixedly arranged on the outer side wall of the breast board, a spraying mechanism is arranged on the mounting plate, and a mounting frame is arranged below the spraying mechanism. The fan, the first ventilation cavity, the second ventilation cavity and the air inlet are matched for use, so that air flows quickly, dust in the air can get close to the breast board conveniently, the water tank, the first water pump, the water outlet pipe, the flow dividing pipe and the spraying head are matched for use, dust is sprayed and removed, and the dust removal efficiency is improved. And dust is collected in a centralized manner through the collecting frame, the retention time of the dust removal effect is prolonged, and dust is prevented from falling to the ground and rising again.

The invention discloses a ferroelectric device processing method, a ferroelectric device and a ferroelectric memory, oxygen atoms are controlled to rapidly permeate into a lattice structure of a ferroelectric film under a supercritical condition, oxygen vacancies are effectively filled, deep oxidation repair can be realized in a low-temperature environment, the ferroelectric characteristic of the device is further improved, and the performance of the ferroelectric device is improved. The residual polarization intensity is increased, the durability of the ferroelectric device is effectively improved, the wake-up effect is relieved, and the data retention time is prolonged.

The utility model discloses a kind of heating dining table with intelligent constant-temperature warehouse, including the dining table base of lower end, the heating component of middle end, the tabletop of upper end, be provided with constant-temperature warehouse for warming dishes and other heatable food between the tabletop and heating component.The utility model is provided with constant-temperature warehouse for dishes heat preservation and heatable food under existing dining table, whereby dishes and heatable food can be placed in the cavity inside it in cold weather, heat air inside reaches the condition of dishes heat preservation and heatable food, when internal air is not very high (control between 30 ℃~80 ℃, can be adjusted appropriately according to air temperature and required temperature), it will not have greater influence on the taste of fried dishes and heatable food, while non-steam heat preservation mode, to a great extent, the original juice of dishes is kept, constant-temperature warehouse is directly arranged under dining table, increase the functionality and practicality of dining table.

The present invention relates to the technical field of building materials, and discloses a building energy-saving exterior wall insulation decorative panel structure, comprising a decorative panel, an insulation structure and a decorative panel, the decorative panels are bonded to both sides of the insulation structure, and the decorative panels are bonded to the bottom wall and the top wall of the decorative panel and the insulation structure; an interlayer is provided between the decorative panel and the insulation structure and between the insulation structure and the decorative panel, and a supporting shock-absorbing mechanism is provided in the interlayer; the supporting shock-absorbing mechanism comprises a fixed plate, the fixed plate is fixed to one side of the inner side of the decorative panel, one side of the fixed plate is located at the upper and lower parts of the inner side of the decorative panel, and a plurality of matching sliders are provided on the track, and a movable plate is provided between the outer sides of a group of sliders in the longitudinal direction. Beneficial effect: The supporting property of the entire decorative panel is improved, so that during the installation process, deformation caused by external impact force can be avoided.

The application discloses a kind of heating and heat preservation logistics vehicle battery structure and its assembly method, comprising: battery module, the battery module is made of several battery, and electrically connected between battery, characterized in that, heating layer is provided on the battery module, isolation layer and at least three heat preservation layers;Isolation layer is used to balance the heat in battery module, and reduces heat diffusion;Heating layer is used to provide heat for battery module;Heat preservation layer is used to heat preservation for battery module, prolongs heat preservation time.Through three heat preservation layer design, can greatly improve heat preservation effect, prolong heat preservation time, the isolation layer being provided in battery module, can isolate each battery between, effectively prevent heat spread and heat diffusion between adjacent battery, improve heat preservation time.

The invention belongs to the technical field of aviation, and relates to a dual-redundancy hydraulic brake device for a large unmanned aerial vehicle. Comprising a normal brake unit, an emergency brake unit and a shutdown brake unit. A mechanical-electrical-hydraulic combination mode is adopted, mechanical, hydraulic and electronic control technologies, sensing detection technologies and the like are applied, a dissimilar redundant hydraulic device is adopted, a normal brake unit adopts a hydraulic control mode, and an emergency brake unit adopts a current advanced electro-hydrostatic brake actuator as a hydraulic source. The two modes are composed, principles and control modes are completely different, the requirements of multiple functions, frequent use and good economical efficiency of a normal brake unit are met, the requirements of simple structure and low failure rate of an emergency brake unit are met, and the large unmanned aerial vehicle brake requirement can be well met; the output of the normal brake unit and the output of the emergency brake unit are completely independent, and the reliability and the safety capacity are improved.

The invention provides a device and a method for continuously and mildly producing cyclohexene oxide without a catalyst, the device comprises a reaction tank, the inner top of the reaction tank is provided with a liquid enhanced reactor, the liquid enhanced reactor is externally connected with a mixing pipeline, and the mixing pipeline is connected with the liquid enhanced reactor. The mixing pipeline is formed by converging a first circulating pipeline, a second circulating pipeline and a third circulating pipeline through a liquid mixer 1, and the first circulating pipeline is used for reaction; the second circulating pipeline is used for separation and recovery; the third circulating pipeline is used for refining, and the first circulating pipeline, the second circulating pipeline and the third circulating pipeline are connected in parallel. According to the device, side reactions can be reduced to a great extent through the design of the pipeline and the application of the enhanced reactor, the reaction efficiency and the conversion rate of raw materials are improved, the reaction cost can be reduced, and the concept of green chemistry is better met.