10results about How to "High manufacturing stability" patented technology

The present invention relates to the field of chip manufacturing, and proposes a method and system for realizing the preparation of semiconductor memory chips, the method comprising: first obtaining chip parameters, selecting semiconductor materials and pre-processing, determining the area to be deposited, and then depositing insulating layers and conductive layers to build a multi-layer structure framework, and then determining the optimal thickness and layout of each layer and calculating the expected reading and writing values, then determining the performance indicators according to the expected reading and writing values, evaluating the feasibility of preparation to obtain preparation evaluation data, querying the influencing factors to calculate the influence degree value, and then configuring the packaging materials according to the influence degree value to build a curing environment, monitoring the curing process state and tracing the abnormality, and finally analyzing the target concentrated in the abnormal source, identifying the abnormal storage factor, and generating a chip preparation plan based on this monitoring feedback data. The present invention can improve the preparation stability of semiconductor memory chips.

The present invention discloses a large-area patterned micro-nano particle self-assembly structure and a preparation method thereof, wherein the method comprises: (1) adding a dispersion containing hydrophobic micro-nano particles into water to form a micro-nano particle film at a liquid-gas interface; (2) transferring the micro-nano particle film to a patterned template; (3) forming an adhesion layer on a substrate, and then transferring the patterned template with the micro-nano particle film obtained in step (2) to a substrate containing an adhesion layer and applying pressure, wherein the micro-nano particle film is in contact with the adhesion layer; (4) removing the adhesion layer at the outer edge of the structure obtained in step (3) to obtain a large-area patterned micro-nano particle self-assembly structure. Therefore, the method has the advantages of fast preparation speed, large area of ​​the prepared patterned micro-nano particle self-assembly structure, high preparation accuracy, strong shape controllability and high preparation stability.

The invention relates to the technical field of composite pipelines, in particular to a barrier type multi-layer composite pipeline and a preparation process thereof, and the process comprises the following steps: co-extruding a first PE inner core layer, a first maleic anhydride grafted bonding layer, an EVOH barrier layer, a second maleic anhydride grafted bonding layer and a second PE inner core layer by using an extruder and a tractor to output a barrier inner layer; industrial polyester filaments are spirally wound to output a reinforcing layer, and the barrier inner layer, the isolation layer, the reinforcing layer and the outer protection layer are assembled and subjected to heat treatment to output the multi-layer composite pipeline; determining the preparation stability of the multi-layer composite pipeline based on the variance of the extrusion speed of the multi-layer composite pipeline; if the preparation stability does not meet the requirement, adjusting the rotating speed of a screw in an extruder; and if the machining reliability does not meet the requirement, the traction power of the traction machine is adjusted. The preparation stability of the multi-layer composite pipeline is improved.

The present disclosure may provide a battery manufacturing apparatus, comprising: a laser cutting device for irradiating a laser beam to a tab included in a battery cell, the laser beam cutting at least a portion of the tab along a predetermined cutting line; and the bending device is used for bending at least one part of the tab.

The present invention provides a method and a mold for preparing a parallel-coil ceramic spring, belonging to the field of parallel-coil ceramic springs. The method for preparing a parallel-coil ceramic spring consists of the following steps: preparing a winding mold assembly by 3D printing, preparing a ceramic winding wire, and preparing a parallel-coil ceramic spring. The method and mold for preparing a parallel-coil ceramic spring of the present invention do not need to adopt a reverse demolding and pressure-sintering process to prepare a parallel-coil ceramic spring, and the parallel-coil ceramic spring prepared has good consistency in parallelism and verticality, which effectively improves the stability, load-bearing capacity, reliability and service life of the parallel-coil ceramic spring; and improves the dimensional stability of the prepared parallel-coil ceramic spring, and improves the preparation reliability.

This invention provides a pump housing comprising a first housing, a second housing, and an assembly. The second housing is connected to the first housing to form a receiving cavity capable of accommodating an impeller. At least one of the first and second housings has a groove with an opening facing the receiving cavity. The groove has a first side annular surface. The assembly includes a connected mounting surface and a second side annular surface. The assembly is accommodated in the groove, with the mounting surface facing the surface of the impeller housed within the receiving cavity, and the second side annular surface contacting the first side annular surface. The pump housing provided by this invention, by additionally providing the assembly to be installed in at least one of the first and second housings, allows for separate processing of the first housing, the second housing, and the assembly. This enables control over the flatness of the mounting surface, providing a basis for significant improvement in the flatness of the mounting surface and preventing thrombosis while improving the overall operational accuracy of the ventricular assist device. This invention also provides a pump body and a ventricular assist device.

The invention relates to the technical field of heat shrinkable sleeve preparation, and in particular to an ethylene-tetrafluoroethylene copolymer modified heat shrinkable sleeve and a preparation method thereof. The invention comprises the following steps: mixing a first master batch with an ethylene-tetrafluoroethylene copolymer to obtain a second master batch, and then processing the heat shrinkable sleeve to be expanded; performing expansion molding on the heat shrinkable sleeve to be expanded with a plurality of point groups marked on the surface; calculating a material extension and expansion characterization coefficient according to data of adjacent point groups and adjacent marking points in a surface image of the heat shrinkable sleeve after expansion molding to adjust the expansion molding speed; calculating the line segment overlap of a plurality of material expansion marking lines through material expansion marking lines corresponding to each point group to determine whether the adjustment of the expansion molding speed is effective; and finally rolling up the heat shrinkable sleeve after expansion molding, thereby realizing the digitized and intuitive characterization of the expansion degree of the heat shrinkable sleeve, adaptively adjusting the preparation parameters and accurately verifying the adjustment effect, and improving the preparation stability of the heat shrinkable sleeve.

The present invention relates to the technical field of acupoint physiotherapy patch, and in particular to a physiotherapy patch for improving blood circulation and relieving pain and a preparation method thereof, comprising the following steps: adding a base layer skeleton into a sol pot according to a weight ratio, stirring evenly and then heating; mixing materials of a heating material according to a weight ratio, and fusing them into the heating holes of the heated base layer skeleton; determining the heating time of the raw materials of the base layer skeleton according to the actual pressure of the side wall of the guide cylinder; determining the stirring depth of the mixer according to the number of pores of the prefabricated base layer; determining the corresponding working mode of a tablet pressing tube in a cutting assembly according to the cutting depth of the physiotherapy patch; and adjusting the rotation speed of the tablet pressing tube according to the actual temperature of the guide cylinder. The present invention improves the stability of the preparation of the physiotherapy patch.

The invention discloses a laser machining device for a surface microstructure of a thin-wall spherical shell type micro-component, and relates to the technical field of micro-component surface machining. The problem that due to the fact that traditional material removal modes such as ultra-precision cutting are incomplete in material removal and substandard in contour precision, the manufacturing requirement caused by the nanoscale precision of the surface microstructure of the thin-wall spherical shell micro-component cannot be met is solved, the device comprises an X / Y / Z / B / C axis movement unit, a Y axis, a B axis and a C axis are sequentially arranged on a horizontal base table board in a stacked mode, and a workpiece is installed on a C axis objective table; the X axis and the Z axis are mounted on a cross beam of the portal frame in an overlapping manner, the laser processing head is fixed on a Z-axis carriage, and the workpiece position change introduced by the swing of the B axis can be compensated through the X axis; according to the device, laser processing and in-situ detection of the surface microstructure of the thin-wall spherical shell micro-component are integrated, high-precision adjustment of a movement position, precise regulation and control of laser pulse energy and precise capturing and recognition of a feature point position can be achieved, and high-precision stable controllable removal of an incomplete part of a cutting processing material is met.

The invention relates to the technical field of burn patches, in particular to a burn patch for skin wound treatment and a preparation method thereof.The method comprises the steps that a stirrer is used for dissolving active ingredients and collagen into a solvent to output a mixed solution, silica gel and nylon textile cloth are bonded to output an adhesive film patch, and the adhesive film patch is obtained; coating the mixed solution on one side of the nylon textile cloth of the adhesive film paste; the hot air circulating oven is used for drying the adhesive film paste coated with the mixed solution, a cutting machine is used for cutting the dried adhesive film paste, and the silica gel side of the cut adhesive film paste is punched to output the burn paste; determining the preparation stability of the burn patch based on the variance of the concentration of the mixed solution; if the preparation stability does not meet the requirement, adjusting the rotating speed of a stirring motor of a stirrer; and if the forming effectiveness does not meet the requirement, the cutter feeding amount of the cutting machine is adjusted. The preparation stability of the burn patch is improved.