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    Laser-based droplet array jetting of high viscous materials
    12.
    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
    13.
    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
    15.
    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.

    LEVELING SYSTEM FOR 3D PRINTER
    16.
    发明申请
    LEVELING SYSTEM FOR 3D PRINTER 审中-公开

    公开(公告)号：US20200023582A1

    公开(公告)日：2020-01-23

    申请号：US16509121

    申请日：2019-07-11

    Applicant: IO Tech Group, Ltd.

    Inventor： Ziv Gilan ,  Daniel Liptz ,  Michael Zenou

    IPC: B29C64/245 ,  B29C64/268 ,  B29C64/379

    Abstract: A leveling system for a 3D printing system for laser dispensing includes inner and outer frames, each supported at its corners by respective actuators of first and second sets of actuators. The outer frame supports an optical plane within which material to be dispensed by laser irradiation is disposed. The inner frame supports a receiving medium plane within which a substrate on which said material to be dispensed by laser irradiation is disposed. Each actuator operates independently to displace a respective frame corner in the vertical direction. The inner and outer frames each is attached at their respective corners to a respective actuator by a rod, thus allowing the inner and outer frames to freely rotate with respect to one another. An additional frame may support sensors for monitoring the 3D printing system.

    PCB production by laser systems
    17.
    发明授权
    PCB production by laser systems 有权

    公开(公告)号：US12238862B2

    公开(公告)日：2025-02-25

    申请号：US18678263

    申请日：2024-05-30

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou ,  Guy Nesher

    IPC: H05K1/11 ,  H05K3/34 ,  H05K13/04

    Abstract: Systems and methods for printing a printed circuit board (PCB) from substrate to full integration utilize a laser-assisted deposition (LAD) system to print a flowable material on top of a substrate by laser jetting to create a PCB structure to be used as an electronic device. One such system for PCB printing includes a jet printing unit, an imaging unit, curing units, and a drilling unit to print metals and other materials (epoxies, solder masks, etc.) directly on a PCB substrate such as a glass-reinforced epoxy laminate material (e.g., FR4) or others. The jet printing unit can also be used for sintering and/or ablation of materials. Printed materials are cured by heating or by infrared (IR) or ultraviolet (UV) radiation. PCBs produced according to the present systems and methods may be single-sided or double-sided.

    Method for operating a wire-less variable gap coater device
    19.
    发明授权
    Method for operating a wire-less variable gap coater device 有权

    公开(公告)号：US12059700B2

    公开(公告)日：2024-08-13

    申请号：US17933299

    申请日：2022-09-19

    Applicant: IO Tech Group Ltd.

    Inventor： Michael Zenou ,  Ziv Gilan

    IPC: B05C11/02

    CPC classification number: B05C11/028

    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.

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