14results about How to "Reduce coating" patented technology

The invention relates to a wide-temperature high-precision optical acceleration sensitive chip and sensor based on a microcavity interferometer principle and a manufacturing method thereof, the wide-temperature high-precision optical acceleration sensitive chip comprises a first substrate, a second substrate and a third substrate, an optical fiber mounting seat and a light through hole are formed on the first substrate, a beam structure and an inertial mass block are processed on the second substrate, and the beam structure is arranged on the third substrate. The first substrate, the second substrate and the third substrate are all made of double-polished super-flat silicon wafers, a single-mode optical fiber assembly is fixed to the optical fiber installation base, the end face of the single-mode optical fiber assembly is subjected to precise grinding and is perpendicular to the axial direction of an optical fiber core, and a first cavity mirror is formed by means of the end face of the side, facing the light through hole, of the inertial mass block. A second cavity mirror is formed on the end face of the single-mode optical fiber assembly, the first cavity mirror and the second cavity mirror form an F-P interference cavity, and the first substrate, the second substrate and the third substrate are connected through the silicon-silicon bonding technology.

The invention relates to a Cu-Ti-based copper alloy sheet material, a method for producing the same, an energizing member, and a heat dissipating member. Provided is a Cu-Ti-based copper alloy sheet material having such a property that, when strict bending is performed, the actual deviation from the contour of an ideal smooth curved surface on the outer peripheral surface of a bent section is suppressed to a small extent. A copper alloy sheet material having a chemical composition containing, in mass%, 1.00-5.50% of Ti, and optionally, Ag, Al, B, Be, Co, Cr, Fe, Hf, Mg, Mn, Mo, Nb, Ni, P, S, Si, Sn, Ta, V, Zn, Zr, and a rare earth element in a total 3.00% or less range, with the remainder being Cu and unavoidable impurities, and having an average crystal grain diameter of 8.00 [mu] m or less as determined by the Area Fractionation method in which a boundary having a crystal orientation difference of 5 DEG or more is regarded as a grain boundary in a measurement of a step length of 0.05 [mu] m by EBSD, and an average crystal grain diameter of 1.00 [mu] m or less as determined by the Area Fractionation method. And the GROD average value is 7.0 DEG C or less.

The invention discloses a TBC battery preparation method and a silicon wafer laser grooving device, which relates to the field of photovoltaic technology and aims to solve the technical problems of low yield and high cost of TBC battery production, including selecting an N-type single crystal silicon substrate, double-sided polishing, grooving, using ink to cover the boron doped area of ​​the silicon wafer after S04 treatment, and performing SiO2 treatment on the back of the silicon wafer after S05 treatment. 2 Deposition of tunneling layer and phosphorus-doped amorphous silicon layer, removal of SiO generated on the front and edge 2 , phosphorus diffusion treatment, removal of SiO on the edge and back 2 Protective layer, double-sided Al deposition 2 O 3 The present invention postpones the front texturing process backward, reduces the probability of front contamination, improves the yield, reduces the cost, and uses the PSG layer generated when the back side is doped with phosphorus as a barrier layer for front texturing. At the same time, by using an ink mask for shielding, the coating and stripping processes of the silicon nitride protective layer are reduced, the production cost is reduced, and the use of HF acid is reduced, thereby improving safety.

The invention discloses a calibration method and system and coating equipment. The calibration method comprises the following steps: placing a standard block between each coating hole and a corresponding mask roller, enabling a first surface of the standard block to face the coating hole, and enabling a second surface of the standard block to face the mask roller; the highest points of the mask rollers are located under the standard blocks, and the poses of the mask rollers are adjusted, so that the distance between the highest point of each mask roller and the corresponding second face is equal to a second preset value; the pose of the coating head is adjusted, so that the distance between each coating hole and the corresponding first surface is equal to a third preset value; the standard block is moved away, the coating head is moved downwards, the downward moving distance is the thickness of the standard block, and the distance between each coating hole and the highest point of the corresponding mask roller is made to be a first preset value. According to the invention, the pose of the mask roller and the coating head can be quickly adjusted, so that the distance between each coating hole and the mask roller reaches a preset first value.

The present application relates to the technical field of PDLC electrodes, and specifically to a device and method for preparing PDLC electrodes in a conformal manner. The device for preparing PDLC electrodes in a conformal manner comprises: a base, a main beam, and a printing mechanism arranged on the main beam. The printing mechanism comprises a motor working platform, a steering motor, a scraper mechanism, and an ink return knife frame. The scraper mechanism and the ink return knife frame can rotate along with the steering motor. The printing direction of the scraper is controlled by the steering motor to ensure that the scraper and the printing direction are always in a vertical state during the printing process, thereby realizing the conformal preparation of arc electrodes. For the partitioned side electrodes of the partitioned PDLC, not only can the uniform and controllable electrode thickness be ensured, but also the electronic slurry coating in unnecessary areas can be reduced by designing the graphics of the screen loading and unloading areas, thereby reducing the production cost while ensuring reliability.

This utility model discloses a high-efficiency hollow fiber membrane drying device, relating to the field of hollow fiber membrane drying technology. The device includes a housing with supporting legs at the lower end. A mounting groove is provided on one side surface of the housing, and a drying assembly is installed inside the mounting groove. Multiple unwinding wheels are located at one end of the housing, and a winding wheel is located at the other end. A material trough is provided between the winding wheel and the unwinding wheel. The drying assembly includes a first drying chamber and a second drying chamber, with the second chamber located above the first chamber. Heating wires are installed on the inner walls of both the first and second drying chambers. This solution solves the problems of uneven coating on the surface of existing hollow fiber membranes, slow coating drying time, and excessive coating liquid seeping into the membrane pores, leading to increased gas mass transfer resistance and low efficiency per strand.

The invention discloses synergistic urea and a preparation method thereof, and belongs to the technical field of controlled-release fertilizers. On the basis that the urease inhibitor and the nitrification inhibitor are adopted as synergists, the coating technology is combined, and the utilization rate of urea is greatly increased. Moreover, urea particles are subjected to double-layer coating, so that the release rate of urea in soil is slowed down, nutrient loss is reduced, the fertilizer efficiency is more lasting, the utilization rate of urea is greatly improved, crop income and yield increase is promoted, and the planting benefit is improved. In addition, the preparation method of the synergistic urea provided by the invention is simple in steps, coating of a coating liquid for multiple times is omitted, and the dosage of the coating liquid is small.

The present invention relates to a method for manufacturing a non-oriented electrical steel sheet, and a non-oriented electrical steel sheet manufactured thereby, and the method for manufacturing a non-oriented electrical steel sheet, according to the present invention, comprises the steps of: (a) reheating a steel slab comprising 0.05 wt% or less of C, 1.0-3.5 wt% of Si, 0.2-0.6 wt% of Al, 0.02-0.20 wt% of Mn, 0.01-0.20 wt% of P, 0.01 wt% or less of S, and the balance of Fe and inevitable impurities, and then performing hot rolling on same; (b) performing hot rolling annealing heat-treatment and pickling on a hot rolled steel sheet; (c) performing cold rolling on the pickled steel sheet; (d) performing insulation coating on the cold rolled steel sheet, and then processing same; and (e) performing final heat treatment by heating, soaking and cooling the processed steel sheet, wherein soaking process is maintained and carried out at a temperature of 850 °C or higher for 1-30 minutes, and thus the deterioration of an insulation coating layer is inhibited while magnetic properties are improved.

The present invention relates to a seamless can and a coated metal sheet that can be used to form the seamless can. The seamless can includes an inner surface coating film at least on a can inner surface side. The inner surface coating film has an excellent coating film covering property and corrosion resistance. When the inner surface coating film contains a polyester resin and a total amount of polyvalent carboxylic acid components in the polyester resin is 100 mol%, a content of an aromatic dicarboxylic acid is 70 mol% or more. The inner surface coating film has a gel fraction (A) represented by Formula below of less than 90%: Gel fraction (A) = (W2a / W1a) × 100 (%) ... (1a), where W1a represents a mass of the inner surface coating film isolated from a coated metal substrate cut out from the seamless can, and W2a represents a mass of the isolated inner surface coating film after being immersed in MEK at ordinary temperature for 60 minutes and then taken out and dried.

A wide-temperature, high-precision optical acceleration sensing chip and acceleration sensor based on the principle of a microcavity interferometer are disclosed. The acceleration sensing chip includes a first substrate, a second substrate, and a third substrate. An optical fiber mounting base and a light-transmitting hole are formed on the first substrate. The chip is characterized by a single-mode optical fiber assembly fixed on the optical fiber mounting base. The end face of the single-mode optical fiber assembly is precision ground and perpendicular to the axis of the optical fiber core. The optical fiber mounting base is a stepped hole with a first stepped portion and a second stepped portion. The single-mode optical fiber assembly includes a glass sleeve disposed on the outer layer and a single-mode optical fiber disposed in the core. The first stepped portion, the second stepped portion, the end face of the glass sleeve, and the end face of the single-mode optical fiber are all perpendicular to the core axis of the single-mode optical fiber. The first stepped portion forms a first fit with the end face of the glass sleeve, and the second stepped portion forms a second fit with the end face of the single-mode optical fiber.

The invention discloses a mechanical pressing type precision control type edge oil pen dispensing pen for leather processing, comprising a shell and a connecting sleeve, the shell is processed with an installation space and a connecting hole, one end of the connecting sleeve is inserted with a syringe, a gear shaft is installed inside the connecting sleeve, a rotating gear is installed on the gear shaft, an adjusting wheel is arranged on the side wall of the connecting sleeve, a first ratchet shaft and a second ratchet shaft are installed in the installation space, a volute spring and a pull rope are arranged on the first ratchet shaft, an outer ratchet is installed on the second ratchet shaft, a second shrapnel is arranged on the side wall of the shell, a plurality of first shrapnel are evenly distributed on one end of the second ratchet shaft, a screw rod is concentrically arranged inside the shell and the connecting sleeve, one end of the screw rod is connected to a piston, a pressing rod is arranged outside the connecting sleeve, and the end of the pressing rod is connected to the pull rope after passing through the side wall of the shell. The invention is easy to use, can accurately control the outflow of fluid, has high working efficiency, and has significant economic value and social value.

Provided is a control method of a coating device that can perform coating of coating targets well. The control method of a coating device includes a coating tank (25) which includes a drum (28A) having a cylindrical shape and rotatable, and a disk (38A) having a dish shape and disposed to close a lower end of the drum (28A) and rotatable coaxially with the drum (28A). The method executes a first rotation process of setting a posture of the coating tank (25) in a standing posture in which a rotation axis of the coating tank (25) is directed in a vertical direction, rotating the drum (28A) in one direction, and rotating the disk (38A) in the other direction, and a second rotation process of setting a posture of the coating tank (25) in an inclined posture in which the rotation axis is inclined with respect to the vertical direction and rotating the drum (28A) and the disk (38A) in the one direction.

An arc welded joint and an arc welding method are provided. The arc welded joint of the present invention has a weld formed by arc welding of an overlap of at least two steel sheets. The slag-covered area ratio SRATIO calculated by SRATIO = 100 × SSLAG / SBEAD is 20% or less wherein SBEAD is the bead surface area that is the area of the surface of a weld bead in the weld, and SSLAG is the slag surface area that is part of the bead surface area SBEAD and represents the area of a region covered with a slag. The Vickers hardness of a weld metal and the Vickers hardness of softened portions of a weld heat affected zone in the weld satisfy the relationships Hmax ≤ 550 and Hmin ≥ 1.07 × HHAZ wherein Hmax is the maximum value of the Vickers hardness of the weld metal, Hmin is the minimum value of the Vickers hardness of the weld metal, and HHAZ is the average value of the Vickers hardness of the softened portions of the weld heat affected zone.