18results about How to "Precise Width Control" patented technology

The invention relates to a high-precision and high-resolution solar cell grid line preparation method. According to the method, a direct photoetching technology is adopted, accurate exposure is carried out on a photosensitive adhesive layer through a high-precision designed shading mask, and a patterned opening which is completely consistent with the layout of a grid line on the surface of a solar cell is formed. And then, accurately filling conductive slurry into the opening by using a coating or ink-jet printing technology, removing redundant slurry through mechanical scraping or chemical cleaning, and forming a stable grid line structure with excellent conductivity after high-efficiency grid line forming technical treatment such as drying and laser irradiation or high-temperature heat treatment. According to the scheme, the detail precision and the resolution ratio of the electrode grid line are improved, finer pattern preparation is achieved, the accuracy of the size of the grid line is ensured by accurately controlling the thickness of the photosensitive adhesive layer and the width of the patterning opening, and the overall performance and the photoelectric conversion efficiency of the solar cell can be improved. According to the preparation method, the technological process is simplified, and the production efficiency is improved.

The present invention discloses an automatically retractable roller brush structure, comprising a roller brush driving cylinder, a driven telescopic cylinder, a rotating bearing, a transmission mechanism and a fixed block, wherein the roller brush driving cylinder is sleeved on the outside of the driven telescopic cylinder and can be retracted along the axial direction of the roller brush driving cylinder; the rotating bearing is fixedly connected to the driven telescopic cylinder; one end of the transmission mechanism is fixedly connected to the fixed block; a brush groove and a brush strip are axially arranged on the outer wall of the roller brush driving cylinder, the brush strip is clamped on the brush groove, the brush strip comprises a plurality of movable brush strips and a plurality of fixed brush strips, the protruding end of the movable brush strip is fixed on the protruding end of the driven telescopic cylinder, when the roller brush driving cylinder rotates, the driven telescopic cylinder is driven to rotate, and the driven telescopic cylinder rotates on the transmission mechanism through the rotating bearing to realize axial displacement.

The invention provides a composite belt and a preparation method and manufacturing equipment thereof. The lithium melt is conveyed to the die head through the melt conveying system under the protective atmosphere; the continuously conveyed base material is coated by the die head under the combined action of the protective gas and a stirring device in the die head; the composite belt with a continuous and uniform coating layer is successfully prepared through the further action of cooling shaping and a calendering mechanism; and the preparation of a plurality of coating layers can be simultaneously realized in the width direction of the base material. In addition, on the basis that continuity and uniformity are achieved, the minimum thickness of the composite belt can reach 0.1 micrometer. The first coulombic efficiency of the battery can be improved, the cycling stability of the battery is enhanced, and the service life of the battery is prolonged; and a more efficient and safer solution is provided for the preparation of the composite belt mainly comprising lithium and sodium in the battery.

The present invention provides a method for forming a sidewall structure of an embedded flash memory, wherein the embedded flash memory includes a flash memory area and a logic area, wherein the flash memory area includes a flash memory unit, and the logic area includes a logic unit. The method for forming the sidewall structure of the embedded flash memory includes: providing a layout of a floating gate layer and a layout of a logic gate layer of the embedded flash memory; determining the layout data of an actual sidewall material layer covering pattern of the embedded flash memory according to the layout of the floating gate layer and the layout of the logic gate layer; selecting a corresponding sidewall material layer and a forming process of the sidewall structure according to the layout data of the actual sidewall material layer covering pattern and a preset width of the sidewall structure. By adopting an embodiment of the present invention, a suitable sidewall material layer and a forming process of the sidewall structure can be selected according to the obtained layout data of the actual sidewall material layer covering pattern and in combination with the preset width of the sidewall structure, thereby accurately controlling the width of the sidewall structure of the embedded flash memory.

The invention discloses stainless steel wire straightening, calendering and automatic winding equipment which comprises a rack and further comprises a steel wire coil pay-off mechanism, a first tension guide wheel mechanism, a stress straightening mechanism, a calendering mechanism, a second tension guide wheel mechanism, a wire arranging wheel mechanism and a flat wire winding mechanism which are arranged on the rack. The steel wire coil pay-off mechanism is used for outputting a whole coil of stainless steel wires; the tension guide wheel mechanism I is used for adjusting tension and guiding the steel wire to be conveyed to the stress straightening mechanism; the stress straightening mechanism is used for circumferentially twisting the conveyed steel wire so as to release the multi-dimensional stress of the steel wire; the calendaring mechanism is used for calendaring the steel wire subjected to stress straightening into a flat shape; the second tension guide wheel mechanism is used for adjusting tension and guiding the rolled flat steel wire to be conveyed to the wire arranging wheel mechanism. The wire arranging wheel mechanism is used for guiding the steel wire to be wound neatly and tightly in the winding process. And the flat wire winding mechanism is used for winding the calendered flat steel wire.

The invention discloses a preparation method and application of a one-step molded wiredrawing film, and relates to the technical field of film production. According to the preparation method of the one-time formed wiredrawing film, the embossing roller with the Shore A hardness of 60-80 degrees and the surface pattern width of 0.05-0.10 mm is selected for calendaring, meanwhile, various parameters when the embossing roller and the cooling roller are matched with each other during casting are adjusted, the wiredrawing film is successfully prepared through one-time forming, and the excellent embossing effect is achieved.

The utility model discloses a one-time forming pouring formwork for a stair water drip. The one-time forming pouring formwork comprises a first side formwork, a second side formwork, a bottom formwork, an additional formwork, a fixing support and an adjusting screw rod. The first side formwork and the second side formwork are arranged on the two sides of a stair correspondingly. The bottom die is located below the stair, the right side of the bottom die is connected with the first side die, and a gap is reserved between the left side and the second side die and is as wide as a water drip. The left side of the additional template is connected with the second side die, and the right side of the additional template is in lap joint with the bottom of the bottom die; the fixed support is fixedly arranged below the bottom die; the right end of the adjusting screw is movably connected with the fixed support, and the left end is in threaded connection with the additional template. The staircase and the water drip are formed through one-time pouring, construction is easy and convenient, and construction efficiency is improved; the adjusting screw rod is rotated, the additional formwork moves leftwards or rightwards along the adjusting screw rod, position adjustment of the additional formwork and the second side formwork is achieved, and then the width of the water drip is controlled.

The utility model belongs to secondary battery technical field discloses a kind of sodium metal negative electrode film coating devices, it includes support component, first adjusting component and second adjusting component.First sliding plate is set to support component, first adjusting plate is slidably connected in first direction adjustablely in first sliding plate, two first adjusting plates and first sliding plate form adjustable length coating port between, second sliding plate is slidably connected in second direction adjustablely in support component, second adjusting plate is slidably connected in first direction adjustablely in second sliding plate, and it is detachably connected in first adjusting plate by connecting plate, first sliding plate, first adjusting plate, second sliding plate, second adjusting plate and connecting plate are enclosed to form volume adjustable material chamber, material chamber is communicated with outside by coating port.Through above-mentioned setting, the sodium metal negative electrode film coating device of the application can flexibly adjust coating port size and the volume of material chamber, satisfies the coating demand of diversification.

This invention discloses a refueling pipe assembly with a throttling structure in the field of automotive fuel supply system technology. The assembly includes a refueling pipe and a circulation pipe. The circulation pipe has a throttling structure, which is a locally extruded deformation portion formed on the side wall of the circulation pipe. This deformation portion protrudes inward, forming a throttling orifice with a concave lens-shaped cross-section on the inner side of the pipe wall. An arc-shaped buffer section is provided between the throttling orifice and the outlet end of the circulation pipe. This invention can reduce refueling noise, simplify the throttling orifice process, and improve the reliability of the ORVR system.

The present invention discloses a feeding system and a laminating machine, wherein the feeding system comprises a frame, a feeding assembly, a deviation correction assembly, a label tracking assembly and a driving assembly, the feeding assembly comprises a reel and a material pulling piece, the reel is rotatably connected to the frame, the reel is used to release the coil, and the material pulling piece is used to pull the coil; the deviation correction assembly comprises a sensor and a deviation corrector installed on the frame, the sensor is located between the reel and the material pulling piece, the sensor is fixedly connected to the deviation corrector, the sensor is used to detect the deviation of the coil, the deviation corrector is located between the reel and the sensor, the deviation corrector is wound around the coil, the deviation corrector is connected to the sensor signal, and the deviation corrector corrects the width direction of the coil according to the feedback information of the sensor; the label tracking assembly is located between the sensor and the material pulling piece and is located above the coil, the label tracking assembly is used to control the conveying length of the coil; the driving assembly drives the material pulling piece to rotate. The technical solution of the present invention can reduce the defective rate of coil products.

The present invention discloses a side edge washing device, comprising a support shaft, a driving device, a rotating bracket, an L-shaped support rod, a nozzle device, a first fine-tuning mechanism and a second fine-tuning mechanism, wherein the driving device is mounted at one end of the support shaft, the rotating bracket is mounted at the other end of the support shaft, the L-shaped support rod comprises a vertical support rod and a horizontal support rod, the vertical support rod is rotatably mounted on the free end of the rotating bracket, the nozzle device is rotatably mounted on the horizontal support rod, the first fine-tuning mechanism is mounted on the rotating bracket, and is used to drive the L-shaped support rod to rotate, and the second fine-tuning mechanism is mounted on the L-shaped support rod, and is used to drive the nozzle device to rotate. The present invention flexibly adjusts the height and angle of the nozzle device by manually adjusting the first fine-tuning mechanism and the second fine-tuning mechanism, so that the nozzle reaches the optimal side edge washing position, accurately controls the side edge washing width and the width of the transition area, achieves the optimal side edge washing effect, and improves product quality.

The utility model relates to a ditcher cutter head applied to double-output shaft indexing box, including tool rest disc and blade, the tool rest disc is installed on the drive shaft, be arranged with the connection extension body on the tool rest disc, the connection extension body is away from the disc surface direction of the tool rest disc and extends, one end of the blade is fixed in the extension end of the connection extension body, when starting the double cutter head ditcher, the double cutter head rotates, makes the blade far away from the box of indexing box close, further makes the ditching width of double cutter head as narrow as possible, makes the soil far away from the frame below between two groups of cutter heads and be thrown out, avoids the soil gathering in the frame below between two groups of cutter heads, makes the double cutter head ditcher ditching operation smaller resistance, is fit for the use scene of small horse power double cutter head ditching.

The utility model relates to the technical field of plastic product processing, solves the technical problem that an existing edge cutting device for plastic product processing is inconvenient for accurate edge cutting during edge cutting, and particularly relates to an edge cutting device for plastic product processing, which comprises two symmetrically arranged support frames, the rubber mixing device comprises two rubber mixing rollers rotationally connected to the supporting frames, an edge cutting mechanism is installed on the portion, on the front side of the rubber mixing device, of the supporting frame, an adjusting mechanism is installed on the edge cutting mechanism, the edge cutting mechanism comprises a rotating rod rotationally connected between the two supporting frames, scale marks are engraved on the rotating rod, and two moving rings are slidably connected to the rotating rod. Sleeves are fixed to the moving rings, fixing rods are slidably connected into the sleeves, slitting discs are rotatably connected to the fixing rods, and limiting mechanisms are installed on the sleeves. According to the position of the movable ring on the rotating rod, accurate edge cutting can be carried out corresponding to the scale marks on the rotating rod.

The utility model discloses a laser slitting device for film label printing, and relates to the technical field of slitting devices. The laser slitting device for film label printing comprises a conveying assembly, rotating shafts rotationally arranged on the inner walls of the two sides of a fixing frame and rotating rollers fixedly arranged on the outer surfaces of the rotating shafts. And the slitting assembly comprises sliding rods fixedly arranged on the inner walls of the two sides of the fixing frame and a plurality of sliding plates arranged on the outer surfaces of the sliding rods in a sliding mode, and laser cutting heads are arranged on the upper surfaces of the sliding plates. By means of the slitting assembly, when the slitting device is used for slitting a PET film, the purpose of accurately controlling the width of a cut strip-shaped film can be achieved, a plurality of strip-shaped target films can be cut at a time, practicability is high, and by arranging the positioning assembly, after the sliding plate is moved to the designated position, the positioning assembly can be used for positioning the strip-shaped target films. And effective braking of the sliding plate can be achieved, and therefore the stability of the laser cutting head in the cutting process is effectively guaranteed.

The invention relates to the technical field of machining, in particular to a method and device for machining grooves in the end face and the edges of a hard and brittle material structural body, according to the method, a rotary cutter is used for grinding and machining the grooves in the end face and the edges of the hard and brittle material structural body, and the thickness of the rotary cutter is the width T of the grooves. The characteristic that hard and brittle materials are difficult to machine is solved, the hard and brittle materials can be effectively ground away through the rotary cutter, large mechanical stress cannot be generated, the rotary cutter is suitable for treating high-hardness and brittle materials, and grooves can be directly machined in the end face and the edges of a structural body; grooves with different depths are obtained through accurate control according to different feeding depths and machining paths of the rotary cutter, the universality is high, the process adaptability is higher due to the flexibility, and the device is suitable for products of various specifications; the size of the rotary cutter determines the size of the final groove, so that the width and the depth of the groove can be accurately controlled, an additional finishing step or secondary machining is not needed, the technological process is reduced, and the production efficiency is improved; and automatic processing is easy to realize.

The present invention belongs to the technical field of textile equipment, and relates to a single-plate static pressure chamber cotton web cleaner, including a dust hood, a dust removal knife and a guide plate. A horizontally arranged first airflow baffle is provided in the dust hood, and an air suction port is located directly above the airflow baffle, and a dust removal port is located directly below the airflow baffle; through innovative structural design, and precise control of the gap width between the first airflow baffle and the front and rear side plates, as well as the size of the dust removal port, the uniformity of the airflow velocity vector in the entire dust removal area is achieved. The present invention significantly improves the removal effect of cotton web defects and the cotton cleaning efficiency through the static pressure chamber design and active adsorption mode, reduces energy consumption, and also realizes flexible adjustment of the dust removal process for different fiber types.

The invention belongs to the technical field of electric arc additive manufacturing, particularly relates to a swing type electric arc additive manufacturing printing device, and aims to solve the problems that in the prior art, in the printing process, adjustment cannot be conducted according to the printing shape, gas cannot be protected, a molten pool can be oxidized, and the printing effect is affected. The 3D printer comprises a printing body, an E frame arranged on the top of the printing body and four supporting legs arranged at the bottom of the printing body. The supporting plate is fixedly mounted on one side of the E frame, and the mounting box is slidably mounted at the top of the E frame; the moving mechanism is arranged in the E frame and used for moving the mounting box; the adjusting mechanism is arranged on the front side of the printing body; the stirring mechanism is arranged at the top of the supporting plate; and the melting mechanism is arranged at the top of the supporting plate and used for melting metal, in the printing process, the printing device can adapt to printing of different shapes, gas can be protected, a molten pool can be prevented from being oxidized, and the printing effect is improved.

The present invention provides a method for forming a FinFET device, comprising: S1: dividing a substrate into an NMOS region and a PMOS region with intervals; S2: forming a plurality of gates, a plurality of hard mask layers and a dielectric layer on the substrate, wherein the plurality of gates are spaced apart, the plurality of hard mask layers are respectively located on the surface of the gates, and the dielectric layer covers a portion of the substrate, the surface of the hard mask layer, the side wall of the hard mask layer and the side wall of the gate; S3: etching a portion of the substrate between the gates of the PMOS region to form a fin groove in the substrate between the gates of the PMOS region; S4: using ozone to oxidize the side wall of the fin groove to form an oxide layer; S5: using hydrofluoric acid to remove the oxide layer to increase the width and depth of the fin groove; S6: cycling S4 and S5 for several times to form a fin groove of target width and depth; S7: forming a fin in the fin groove.