20results about How to "Good filling effect" patented technology

The application provides a semiconductor device and a preparation method thereof. The method comprises the following steps: providing a substrate, forming a trench extending from a first surface of the substrate to an interior of the substrate, forming a shielding dielectric layer at a bottom and a part of a sidewall of the trench, and forming a shielding gate in the trench. The shielding gate fills a part of the trench, a top surface of the shielding gate is higher than a top surface of the shielding dielectric layer, and a distance from the top surface of the shielding dielectric layer to the first surface is a first depth. A part of the shielding gate is etched to make the top surface of the shielding gate flush with the top surface of the shielding dielectric layer, and a predetermined thickness of the substrate is etched from the first surface to make the distance from the top surface of the shielding dielectric layer to the first surface a second depth. The first depth is greater than the second depth. An inter-gate dielectric layer and a control gate structure are formed in the trench. The method of the application etches a predetermined thickness of the substrate while etching the shielding gate, thereby effectively reducing a high-density plasma filling aspect ratio, and further increasing a filling window and improving a filling effect.

This invention discloses a method for preparing high-entropy ceramic matrix composites using a reactive infiltration process, belonging to the technical field of ceramic matrix composites. The steps are as follows: at least four single-component carbides are ball-milled and mixed with a carbon source, then dispersed in a dispersion liquid to obtain a slurry; continuous fibers are woven into a preform, and an interface layer and a matrix layer are deposited to obtain a semi-dense composite material; the slurry is introduced through vacuum or pressure impregnation; and a high-entropy carbide matrix is ​​generated in situ and densified by reactive infiltration after embedding with a transition metal and its alloy. This invention solves the problems of long process cycles, high porosity, high cost, and insufficient introduction of high-entropy ceramics in existing processes, achieving rapid densification and improving the material's high-temperature stability, oxidation resistance, and ablation resistance. It is suitable for the large-scale production of thermal protection materials for hypersonic vehicles.

The utility model discloses a poison filtering box filling machine, which relates to the technical field of filling machines, and comprises an iron square tube rack, a station divider is fixedly arranged on the upper surface of the iron square tube rack, the output end of the station divider is fixedly connected with a turntable, and a plurality of combined clamps are fixedly arranged on the upper surface of the turntable. An air source duplex piece is fixedly mounted on the left side surface of the iron square tube rack; an iron square tube bottom frame is arranged on the left side of the iron square tube rack, and a plurality of damping rubber pads are fixedly mounted at the bottom of the iron square tube bottom frame through a plurality of foot cups. Automatic feeding and discharging of the box body, vibration flattening of activated carbon and automatic assembling and ultrasonic welding between the cover and the box body are integrated, so that the overall production efficiency and quality of the poison filtering box can be effectively improved, and the workload of workers can be effectively relieved; and the practicability and convenience of the whole device are effectively improved.

The invention belongs to the technical field of fire extinguisher filling, and particularly relates to a fire extinguisher dry powder canning method and device.The fire extinguisher dry powder canning device comprises a large powder bin, a supporting frame and a rack, a conveying belt is arranged on the rack, a small powder bin is fixedly connected to one side of the upper end of the supporting frame, and a vacuum pump is fixedly connected to one side of the upper end of the supporting frame; the feeding end of the vacuum pump is communicated with a material suction pipe, the material suction pipe is communicated with the inner cavity of the large powder bin, and the discharging end of the vacuum pump is communicated with the inner cavity of the small powder bin; the device further comprises a filling auxiliary assembly. By means of the filling auxiliary assembly, dry powder in a bottle can be evenly spread through the first flat spreading rod and the second flat spreading rod in the filling process, so that the dry powder can be evenly distributed in the bottle, and the situation that in the filling process, due to local accumulation of the dry powder in the bottle body, the dry powder in the bottle body does not reach the rated filling amount and overflows from a bottle opening is avoided; and the situations of raw material waste and environmental pollution are avoided, so that the accuracy of the filling amount is ensured.

The utility model provides a pulping system for gangue filling, and relates to the technical field of pulping, the pulping system comprises a gangue pit, a gangue crusher, a sand making machine, a screening sieve, a transfer bin and a pulping pool, a first belt conveyor is arranged between the gangue pit and the gangue crusher, and a second belt conveyor is arranged between the gangue crusher and the sand making machine; a third belt conveyor is arranged between the gangue crusher, the sand making machine and the screening sieve, a fourth belt conveyor is arranged between the screening sieve and the transfer bin, and a fifth belt conveyor is arranged between the transfer bin and the pulping pool. Uniform slurry can be conveniently prepared, and the filling compactness is improved; all the devices are connected through the belt conveyor to achieve continuous conveying, the treatment efficiency is improved, the solid waste treatment capacity is increased, and the operation cost is reduced.

The utility model discloses a kind of multi-channel switching mechanism for refrigerant filling valve group, including ball valve, ball valve one end is connected with the installation of coil pipe, pipeline switching mechanism is rotatably installed in coil pipe, another end of coil pipe is connected with the installation of three groups of branch pipe, ball valve is connected with pipeline switching mechanism, and pipeline switching mechanism can be communicated with each group of branch pipe by rotating respectively. The utility model passes through pipeline switching mechanism, and its selective communication of multiple branch pipes is realized by rotating, functional switching is realized, and the stability of coil pipe and entire pipeline system is guaranteed by the double regulation of length and angle of two support structures, the cooperation of three, which meets the channel switching demand of multiple processes, high-precision in refrigerant filling, and also improves the reliability of equipment under complex working conditions through the optimization of mechanical structure.

A semiconductor structure and its formation method are disclosed. The formation method includes: providing a substrate, forming a dielectric layer on the substrate, and forming an interconnect structure penetrating the dielectric layer within the dielectric layer, including a first interconnect opening and a second interconnect opening isolated from each other, wherein the opening size of the first interconnect opening is smaller than the opening size of the second interconnect opening; forming a first interconnect structure in the first interconnect opening and forming a second interconnect structure in the second interconnect opening; wherein the resistivity of the second interconnect structure material is lower than the resistivity of the first interconnect structure material, and the gap-filling capability of the first interconnect structure material is greater than the gap-filling capability of the second interconnect structure material. This invention, through the formation of the first and second interconnect structures, improves both the gap-filling performance of the interconnect structure material and ensures the conductivity of the interconnect structure, thereby improving the electrical performance and reliability of the device, such as back-end electrical performance and electromigration (EM) performance.

The utility model discloses multi-specification paint bucket filling equipment belongs to paint bucket filling equipment field, including bottom frame, and bottom frame bottom is equipped with support, and the rotatable installation of a plurality of straight line array distribution's conveying roller is equipped in bottom frame, and the top of bottom frame is equipped with top plate, and the both sides between top plate bottom and bottom frame are all fixedly connected with stand, and the both sides of bottom frame are all fixedly installed with the first mounting plate of showing " L " shape, and the clamping assembly is equipped between two first mounting plates, the top of top plate is equipped with the mounting hole, and the fixed mounting of tank body is equipped in mounting hole, and the fixed mounting of mounting box is equipped in the top of tank body, and the lateral wall of tank body upper segment is equipped with inlet pipe, and the support plate is equipped between four stands. The utility model discloses the lateral wall of filling pipe passes through the setting of apron, and the filling pipe is driven lifting through telescopic component, makes filling pipe place in paint bucket and makes apron and paint bucket top contact, plays the role of plugging paint bucket port, helps to avoid the phenomenon of paint splashing, is favorable to the filling effect of paint.

The application discloses a kind of buried copper block circuit board and its manufacturing method, the manufacturing method includes: the two outer layers of core plate are copper foil layer, and window position A is provided on the non-line area of one outer layer;Core plate is double-sided inner layer pattern production, to make inner layer circuit pattern and pad on the two outer layers of core plate respectively, and make a plurality of flow blockings on one outer layer of core plate, which are surrounded outside window position A;The insulating layer is covered on the two outer layers of core plate, and window position B is provided on the insulating layer adjacent to flow blocking, which is opposite to window position A;Based on window position, insulating layer and core plate are windowed;After the copper block gap with rough surface is placed in window, it is compressed and handled, and in the process of compression, the flow of colloid in window is controlled by flow blocking, so that copper block is firmly combined with insulating layer and core plate together.The manufacturing method is simple and reasonable, easy to implement, the reliability and stability of the obtained circuit board product are high, and the market demand is met.

This invention discloses a polishing device for irregularly shaped curved glass, which uses an annular airbag to perform flexible polishing of irregularly shaped curved glass. The centrifugal force of the airbag reduces debris residue in the polishing area to improve surface quality. At the same time, a spray hood with an internal arc-shaped channel and nozzles evenly sprays cutting fluid onto the outer wall of the airbag and guides it to the polishing area, thereby improving lubrication uniformity and reducing splashing. The spray hood can be tilted in the polishing direction, and its guiding effect allows excess cutting fluid to cover the glass surface in front of the airbag to enhance wetting and filling effects. In addition, the added partition ring confines the cutting fluid within the inner cavity of the spray hood, thereby increasing its contact area and time with the outer wall of the airbag to improve wetting efficiency. The blades on the partition ring can use centrifugal force to throw the cutting fluid towards the inner wall of the spray hood and splash it onto the surface of the annular airbag during spraying, improving the spraying and cleaning effect.

The utility model relates to a kind of recycled concrete aggregate chemical slurry vacuum impregnation device, belong to concrete processing technical field.Mainly including rack, impregnation tank, stirring assembly, vacuum pump, filter screen cylinder, liquid supply pump, drain pipe and annular bulkhead;Through the cooperation design of filter screen cylinder and annular flow guide cavity, make chemical slurry pass through the aperture of filter screen cylinder and enter inside and contact with recycled aggregate uniformly, combined with the synergistic effect of stirring assembly and vacuum pump, realized the depth penetration of chemical slurry under vacuum negative pressure, significantly improved the filling effect of slurry to aggregate surface pore, effectively solved the problem of concrete strength decline caused by insufficient slurry penetration of traditional device, simultaneously, through the accurate temperature control function of heating cavity and temperature sensor, further increase the fluidity of slurry, thereby improve the impregnation quality and efficiency.

The utility model provides a round-head multi-side-hole releasing and filling needle head which comprises a needle head sleeve, a needle head body is arranged on the needle head sleeve, a round head portion is arranged at the end of the needle head body, needle head side holes are formed in the needle head body, needle head scale marks are arranged on the needle head body, and the needle head body is a round-head single-side-hole needle head with the diameter range of 0.1 mm to 0.3 mm and the diameter range of 0.3 mm. The needle head is a round-head single-side hole, the length of the round-head single-side hole ranges from 0.5 cm to 15 cm, the diameter of the round-head multi-side hole ranges from 0.1 mm to 12 mm, damage to skin tissue can be reduced through the round head, and operation risks are reduced. Original tissue is not damaged due to the design of the needle head side hole, and the completeness of the skin can be protected. Each scale on the needle head is 10mm, so that the needle insertion depth is easy to control, and the needle head can realize the release and filling of the skin at the same time, thereby meeting various requirements in plastic surgery and beauty treatment processes.

The utility model discloses an anti-deformation aluminum alloy door and window, and relates to the technical field of doors and windows. Comprising a filling assembly which is movably laid at any position of a door and window flow guide rail frame, an anti-deformation medium arranged in the filling assembly is injected into the door and window flow guide rail frame in a manual extrusion mode, and corners of the door and window flow guide rail frame are missed according to the position of the filling assembly; the filling assembly comprises a deformation storage piece which is connected to the interior of the door and window flow guide rail frame in a sliding mode, the interior of the deformation storage piece is designed to be of a cavity structure, and the cavity structure aims at containing an anti-deformation medium. According to the utility model, the missing corners of the door and window diversion track frame are uniformly filled with the anti-deformation medium in a manner of manually extruding the filling assembly, so that the overall stability of the door and window is enhanced, and the frame distortion phenomenon caused by long-term bearing of external pressure or temperature change is effectively avoided; and the sealing performance and the opening and closing fluency of doors and windows are obviously improved.

The invention discloses a karst-related area interval underpass construction method, and relates to the technical field of tunnel engineering, and the karst-related area interval underpass construction method comprises the following steps: carrying out field classification and improvement treatment on soft rock muck discharged by shield tunneling to obtain aggregate muck which can be directly used for backfilling and fine-grain muck which can be used for preparing grouting slurry; muck improvement slurry is prepared from fine muck, karst cavities on the construction path are pre-filled, and advanced grouting reinforcement is conducted on the stratum of the underpass section; during the period that shield tunneling penetrates through a karst area or penetrates through an existing structure under the karst area, synchronous grouting is conducted through muck improvement grout, and grouting parameters and tunneling parameters are dynamically adjusted according to real-time monitoring data; and after segmental lining is completed, compensation grouting is conducted through muck improved grout, and a stacked grouting supporting system is formed in the surrounding rock. According to the method, the shield muck can be recycled, the grouting material cost is reduced, and the safety and reliability of shield underneath pass construction are ensured.

The application discloses a kind of LCM display module automation liquid crystal filling device and its using method, belong to display module liquid crystal filling field, it includes operation platform, it has an installation plane on it;For the display module to be filled is transported to the first belt conveyor, it is detachably arranged on the installation plane, it can be worn from one end of the operation platform.The LCM display module automation liquid crystal filling device and its using method of the application, by the filling component of arrangement, open third drive motor, so that the output end of third drive motor is exported, for the filling gun is adjusted in up and down position;Subsequently, open filling gun, so that the output end of filling gun is exported, for the display module to be filled in the positioning bearing component is filled operation, when filling gun releases liquid crystal effluent, can be aggregated by seal ring, to strengthen the filling effect of liquid crystal effluent.

The utility model discloses a crack filling device for road construction, which belongs to the technical field of road engineering and comprises a frame, a self-adjusting rotary filling component and a lifting cleaning component. The self-adjusting rotating filling assembly and the lifting sweeping assembly are both installed on the frame. The self-adjusting rotary filling assembly comprises a filling feeding component used for conveying materials for crack filling and an adjusting steering component used for driving the filling feeding component to rotate so as to fill different positions. The lifting sweeping assembly comprises a sweeping component used for sweeping the ground before filling and a lifting component used for driving the sweeping component to ascend and descend. By means of the mode, the lifting component drives the filling and feeding component and the sweeping component to be attached to the ground, the sweeping effect of the sweeping component is improved, meanwhile, the filling and feeding component is attached to the ground, materials can be flattened during filling, material waste is reduced, and the filling effect is improved.

The utility model discloses a kind of filling equipment for chemical coating production, including support frame, it is characterized by: the upper side of the support frame is fixedly connected with material box, the upper side of the material box is fixedly connected with inlet, the lower side of the material box is respectively fixedly connected with the symmetric discharge pipe of communication.The utility model carries out filling when, through filling assembly, make built-in cavity drive opening to move down and correspond with two discharge pipes, make chemical coating in material box enter opening by discharge pipe, and be discharged to material bucket by built-in cavity, simultaneously observe the value of weighing apparatus, when weighing apparatus reaches preset value, give controller a signal, make the telescopic rod of controller control electric push rod retract, make opening separate from discharge pipe, the upshift of built-in cavity generates negative pressure at the outlet of filling cylinder at this time, can make redundant chemical coating move upward, prevent redundant chemical coating continue to drip, ensure that the filling amount of chemical coating in material bucket is more accurate.

The application discloses a kind of carbon dioxide geological storage well cementing anticorrosion additive and application.The anticorrosion additive includes the following weight parts of each component: 40~50 parts of rice hull ash, 30~50 parts of alkali-soluble acrylic resin powder, 10~30 parts of silica ash and 5~15 parts of fiber.The anticorrosion additive can significantly reduce the chemical corrosion effect of carbon dioxide on the cement stone and the stress corrosion effect under the coupling condition of stress by densification, alkali reduction, toughening and other comprehensive effects, can effectively improve the anticorrosion ability of carbon dioxide geological storage well cementing cement sheath, ensure the integrity of wellbore sealing.

The utility model relates to a breakage-proof shell of a mechanical lock, which comprises a door lock shell, a lock cylinder hole and a handle are arranged on the front side of the door lock shell, the handle is arranged above the lock cylinder hole, a protective cover plate is further arranged on the front side of the door lock shell in an up-down sliding mode, the protective cover plate comprises a shielding portion and a through hole portion, and a locking device is further arranged on the handle. The protective cover plate can slide up and down to enable the shielding part of the protective cover plate to shield the lock cylinder hole or enable the through hole part of the protective cover plate to expose the lock cylinder hole, and when the shielding part shields the lock cylinder hole, the locking device can lock the protective cover plate; by means of the protective cover plate sliding up and down, a physical barrier is formed for the lock cylinder hole through the shielding part, invasion of external tools is effectively blocked, and the prying resistance, drilling resistance and foreign matter filling resistance are remarkably improved; dust and rainwater invasion can be reduced, and the service life of the lock cylinder is prolonged; when the shielding part completely covers the lock cylinder hole, the locking device can lock the protection cover plate, double insurance is formed, and the protection cover plate is prevented from being forcibly slid by external force.