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    Accurate volume and temperature dispensing head
    31.
    发明授权
    Accurate volume and temperature dispensing head 有权

    公开(公告)号：US11629987B2

    公开(公告)日：2023-04-18

    申请号：US17449722

    申请日：2021-10-01

    Applicant: IO Tech Group Ltd.

    Inventor： Ziv Gilan

    IPC: G01F11/38 ,  B67D3/00

    Abstract: Systems and methods for the injection/dispensing of fluid material in a volumetrically accurate and repeatable manner via an injection cell that interconnects two reservoirs of the fluid material. The injection cell has a normally closed dispensing valve that is opened for dispensing of the fluid material during a compression cycle, and closed during a return cycle. Opening and closing of the dispensing valve is effected using either or both of pressurized air and/or a motorized linkage. During the compression cycle, independent longitudinal displacements of a piston cylinder and a piston within the injection cell act to first open the dispensing valve and subsequently eject fluid material within the piston cylinder via the opened dispensing valve. The piston cylinder and piston are returned to an initial state that facilitates reloading of the injection cell from the reservoirs and closes the dispensing valve during a return cycle.

    METHOD FOR OPERATING A WIRE-LESS VARIABLE GAP COATER DEVICE
    33.
    发明申请
    METHOD FOR OPERATING A WIRE-LESS VARIABLE GAP COATER DEVICE 有权

    公开(公告)号：US20230012396A1

    公开(公告)日：2023-01-12

    申请号：US17933299

    申请日：2022-09-19

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou ,  Ziv Gilan

    IPC: B05C11/02

    Abstract: Systems and methods for coating a thin film with a viscous material, such as a liquid, a paste, or an adhesive, at a desired thickness. In such a system, two films move adjacent to one another, optionally in opposite directions, atop two rollers separated by a known gap that defines a coating thickness, with the material being transferred from one film to the other. The rollers may be maintained in their relative positions by springs and/or linear actuators and positioned using linear encoders. In alternative arrangements, the material to be coated could be low viscosity material such as a polymeric solution. Air knives may be provided near the gap to create an air flow that aids in preventing the free flow of low viscosity materials outside the bounds of the film during coating.

    METHODS FOR PRINTING SOLDER PASTE AND OTHER VISCOUS MATERIALS AT HIGH RESOLUTION
    34.
    发明申请
    METHODS FOR PRINTING SOLDER PASTE AND OTHER VISCOUS MATERIALS AT HIGH RESOLUTION 有权

    公开(公告)号：US20220379396A1

    公开(公告)日：2022-12-01

    申请号：US17818308

    申请日：2022-08-08

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou ,  Ziv Gilan ,  Guy Nesher

    IPC: B23K1/00 ,  H05K3/34 ,  B41M3/00 ,  B41F16/00 ,  B05D3/06 ,  B05D1/26 ,  B05D1/28 ,  B05C5/02 ,  B05C1/08 ,  B05C9/14

    Abstract: Systems and methods in which dot-like portions of a material (e.g., a viscous material such as a solder paste) are printed or otherwise transferred onto an intermediate substrate at a first printing unit, the intermediate substrate having the dot-like portions of material printed thereon is transferred to a second printing unit, and the dot-like portions of material are transferred from the intermediate substrate to a final substrate at the second printing unit. Optionally, the first printing unit includes a coating system that creates a uniform layer of the material on a donor substrate, and the material is transferred in the individual dot-like portions from the donor substrate onto the intermediate substrate at the first printing unit. Each of the first and second printing units may employ a variety of printing or other transfer technologies. The system may also include material curing and imaging units to aid in the overall process.

    Laser-based droplet array jetting of high viscous materials
    37.
    发明授权
    Laser-based droplet array jetting of high viscous materials 有权

    公开(公告)号：US11097465B2

    公开(公告)日：2021-08-24

    申请号：US16383891

    申请日：2019-04-15

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou ,  Ziv Gilan

    IPC: B41J2/14 ,  B29C64/268 ,  B29C64/205 ,  B29C64/112 ,  B41M5/00 ,  B33Y10/00 ,  B05D1/02 ,  B05D3/06

    Abstract: Laser jetting of droplets of a viscous material, such as an ink, is performed by coating a layer of ink on a mesh-like transport screen, with the ink being retained within spaces of the mesh-like transport screen. The ink-coated mesh-like transport screen is conveyed to a working area and a laser beam is used to heat the ink within the spaces of the mesh-like transport screen, thereby causing ink droplets to be jetted from the spaces of the mesh-like transport screen. Structures are formed on a receiving substrate arranged near the working area by jetting the ink droplets, either in an aggregation or sequentially, across a gap from the mesh-like transport screen to the receiving substrate and displacing the mesh-like transport screen and the laser beam relative to one another at times between the jetting of the droplets, or by directly printing ink droplets onto the receiving substrate.

    FABRICATION OF CONDUCTIVE COILS BY ADDITIVE MANUFACTURING
    38.
    发明申请
    FABRICATION OF CONDUCTIVE COILS BY ADDITIVE MANUFACTURING 有权

    公开(公告)号：US20210060849A1

    公开(公告)日：2021-03-04

    申请号：US16946638

    申请日：2020-06-30

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou

    IPC: B29C64/10 ,  B33Y10/00 ,  B33Y80/00 ,  B29C64/40 ,  B22F3/105

    Abstract: A conductive coil fabricated by an additive manufacturing process. The coil is printed as a plurality of partially complete rounds, each printed as at least a portion of a respective layer of material. Pillars interconnecting successive ones of the partially complete rounds in different ones of the respective layers of material are also printed and may be staggered across a circumference of the partially complete rounds. Scaffolding elements such as a supporting material matrix and/or a core internal to the partially complete rounds of the coil may be printed as part of each respective layer of material concurrently with printing the plurality of partially complete rounds.

    Multi-material dispensing and coating systems
    39.
    发明授权
    Multi-material dispensing and coating systems 有权

    公开(公告)号：US10603684B2

    公开(公告)日：2020-03-31

    申请号：US16292599

    申请日：2019-03-05

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou ,  Ziv Gilan

    IPC: B05D1/26 ,  B05D1/40 ,  B05C11/02 ,  B05C11/10 ,  B05D7/00 ,  B05C5/02

    Abstract: Systems and methods for dispensing liquid materials as may be used in applications for coating flexible films and the like. Such a film may be coated by dispensing a rheological material onto its surface while drawing the film through a gap between a pair of rollers. The gap defines the thickness of a layer of the material applied to the film and is maintained at a desired width by microwires positioned through the gap. Another film across the gap from that to which the rheological material is applied aids in the coating of the layer and a contact area of the second film may be adjusted relative to the gap, e.g., when changing materials or when the coating film becomes abraded or deformed.

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