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70results about How to "Improve deposition accuracy" patented technology

Laser-reinforced jet-electrodeposition rapid-prototyping processing apparatus and method

The invention discloses a laser-reinforced jet-electrodeposition rapid-prototyping processing apparatus and method. An anode is connected with a laser generation mechanism, an eye shield is located between the laser generation mechanism and the anode, a cathode is a deposition substrate which is arranged in a deposition groove, and a power supply is connected with the cathode and the anode; a Z-axis mobile platform is connected with the anode and the laser generation mechanism, and an X-axis mobile platform and a Y-axis mobile platform are successively arranged below the deposition groove; the liquid inlet end of a constant temperature liquid storage mechanism is connected with the anode, the liquid returning end of the constant temperature liquid storage mechanism is connected with the deposition groove, and a controller is connected with the laser generation mechanism, the power supply, the X-axis mobile platform, the Y-axis mobile platform, the Z-axis mobile platform and the constant temperature liquid storage mechanism. According to the invention, a high-energy density laser beam and a high-speed electrodeposition solution are synchronously jetted to the surface of the cathode through a tubular passive anode centre bore, combination of laser reinforced electrodeposition technology and electrodeposition solution injection is realized, and a high deposition speed is obtained.
Owner:TONGLING UNIV

Optical alignment compensation device, contact degree detecting device, evaporation system and method

The invention discloses an optical alignment compensation device, a contact degree detecting device, an evaporation system and an evaporation method. An optical alignment compensation data acquisition device comprises an image acquisition mechanism and a processing mechanism, wherein the image acquisition mechanism is used for acquiring images of openings of a metal mask and pixel opening of a substrate corresponding to the metal mask when the substrate is overlapped with the metal mask; and the processing mechanism is used for acquiring an offset between the openings of the metal mask and the pixel opening of the substrate according to the acquired images of the openings of the metal mask and the pixel opening of the substrate, and calculating a position compensation data between the substrate and the metal mask. According to the optical alignment compensation device, the contact degree detecting device, the evaporation system and the evaporation method, images of the pixel opening of the substrate and the openings of the metal mask can be acquired before evaporation, alignment compensation and contact degree detection on the metal mask and the substrate can be carried out, organic materials do not need to be evaporated, and a substrate can be reused, thereby reducing the production cost, and increasing evaporation precision.
Owner:EVERDISPLAY OPTRONICS (SHANGHAI) CO LTD

Mask frame assembly and manufacturing method thereof

The embodiment of the invention provides a mask frame assembly and a manufacturing method thereof, and relates to the technical field of evaporation. The problems that in the prior art, mask sheets are wrinkled and warped, howling strips and cover strips are replaced or repaired, consequently, cost is increased, the relative positions of the howling strips, the cover strips and the mask sheets cannot be adjusted, and a mask frame assembly cannot be cleaned up can be solved. The mask frame assembly comprises a first frame, a second frame, multiple mask sheets and cover strips and/or howling strips. The first frame and the second frame are each provided with a hollow area and are fixedly connected in a sleeved manner. The multiple mask sheets are sequentially arranged on the hollow area of the first frame in a crossing manner, and the two opposite ends of each mask sheet are fixed to the first frame. The cover strips and/or howling strips are arranged on the hollow area of the second frame in a crossing manner, and the two opposite ends of each cover strip and/or howling strip are fixed to the second frame. The cover strips are located at the clearance positions between the adjacentmask sheets, and the howling strips cross over invalid mask areas of the multiple mask sheets so as to support the multiple mask sheets.
Owner:BOE TECH GRP CO LTD +1

Ultrahigh-speed laser-induction composite cladding method and device

The invention belongs to the field of surface coating processing, and particularly discloses an ultrahigh-speed laser-induction composite cladding method and device. Aiming at a workpiece to be cladded as a processing object, the ultrahigh-speed laser-induction composite cladding device is provided with an induction heating coil used for realizing the fact of preheating the workpiece, the induction heating coil is arranged nearby the workpiece to be cladded, a area to be cladded of the workpiece is heated to a set temperature through the shape of the induction heating coil and the spatial arrangement of the induction heating coil relative to the workpiece to be cladded; and carrying out ultrahigh-speed laser-induction composite cladding above the area to be cladded of the workpiece by adopting ultrahigh-speed laser cladding and induction heating modes, so that interaction effect between a laser beam spot and a powder beam flow is carried out at a target position of a cladding area to heat a alloy powder to a molten drop or semi-molten drop state, and the alloy powder is sprayed to a micro molten pool on the preheated surface of the workpiece in a liquid or semi-solid form so as toprepare a required cladding layer. By means of the ultrahigh-speed laser-induction composite cladding method and device, high-precision, high-performance and metallurgical-defect-free ultra-efficientdeposition of the metal cladding layers of various materials can be achieved on the surface of a metal component.
Owner:武汉飞能达激光技术有限公司

APPARATUS, METHOD AND DEVICE FOR MAKING PRODUCTS INCORPORATING AN RFid

An apparatus (1) for the creation of products incorporating devices for radio frequency identification (RFID), said apparatus (1) being configured to operate according to a continuous processing line which includes, in sequence:
    • a supply unit (2) of a substrate material;
    • an add-chip unit (4), having means for the application of chips on the substrate material (41);
    • an aerial-making assembly comprising:
      • an aerial posing unit (5), configured to deposit a metal wire at each chip;
      • an electrical connection unit, configured for electrically connecting the metal wire and a respective chip therebetween;
    • a coupling unit (7), adapted to place a coating material on the substrate material; and
    • a plurality of reading means (42, 62, 9) of each chip, arranged along said processing line,
  • wherein said unit of aerial posing (5) comprises a plurality of devices (100) for realizing an aerial,
  • wherein each device (100) is provided with a putting wire head (150) arranged at one end of a main body (101) and having a translational degree of freedom in a longitudinal direction (L),
  • said putting wire head (150) comprising a guide element (102) rotatable according said longitudinal direction (L) and adapted to engage and guide the wire to deposit it on a substrate and a beak-like element (103) adapted to selectively abut in abutment on said rotatable element
Owner:MECSTAR

Mask

The invention discloses a mask. The mask comprises at least one mask strip, the mask strip comprises an evaporation area and a shielding area, the evaporation area is provided with a plurality of openings, the shielding area is arranged on the two sides of all the openings in the first direction, wherein the first direction is the length direction of the mask strip, the shielding area comprises atleast one thermal shrinkage area, and the thermal shrinkage areas comprise thermal shrinkage materials. According to the mask, when the mask strip is welded to a mask frame, the thermal shrinkage materials in the thermal shrinkage areas are heated, and crystal lattices are shrunk, so that the thermal shrinkage phenomenon is generated; the thermal shrinkage phenomenon of the thermal shrinkage areas applies thermal shrinkage tension to the shielding area of the mask strip to drive the shielding area to be tensioned, so that the mask strip is further tensioned, and then the drooping phenomenon of the mask strip due to gravity can be reduced; and meanwhile, wrinkles on the mask strip can be reduced, the laminating effect between the mask and a substrate to be evaporated during evaporation isimproved, the evaporation precision of the mask is improved, and the risks of pixel dislocation, color mixing and the like after evaporation of the substrate to be evaporated are reduced.
Owner:KUNSHAN GO VISIONOX OPTO ELECTRONICS CO LTD

Metal molten drop deposition method implemented by using nonmetal sheets with trapezoidal grooves

The invention discloses a metal molten drop deposition method implemented by using nonmetal sheets with trapezoidal grooves. The metal molten drop deposition method comprises the following steps: firstly, arranging nonmetal sheets with trapezoidal grooves on the four side faces of a baseplate, and preheating the baseplate on which the nonmetal sheets with trapezoidal grooves are arranged; then, heating a metal material until the metal material is in a molten state, enabling the molten-state metal material to pass through a nozzle so as to form uniform metal molten drops; and in an argon gas environment, dropwise adding the metal molten drops on the surface of the baseplate on which the nonmetal sheets with trapezoidal grooves are arranged, and moving the baseplate on which the nonmetal sheets with trapezoidal grooves are arranged according to the shape of the surface of the baseplate, so that the metal molten drops are deposited layer by layer and point and point, and meanwhile, blocking the edge of each layer of metal molten drops through the nonmetal sheets with trapezoidal grooves until the metal molten drops are deposited completely, and after the obtained product is subjected to curing shrinkage, completing the metal molten drop deposition of the surface of the baseplate. According to the metal molten drop deposition method disclosed by the invention, the precision of metal molten drop deposition on the surface of the baseplate can be realized.
Owner:XI AN JIAOTONG UNIV +1
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