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    Flexible membrane for applying a pattern to a substrate
    1.
    发明授权
    Flexible membrane for applying a pattern to a substrate 有权

    公开(公告)号：US11570902B2

    公开(公告)日：2023-01-31

    申请号：US17151664

    申请日：2021-01-19

    Applicant: Lumet Technologies LTD.

    Inventor： Benzion Landa ,  Naomi Elfassy ,  Stanislav Thygelbaum

    IPC: H05K3/20 ,  H05K3/38 ,  B41M1/12 ,  H01L31/0224 ,  H05K3/34 ,  H05K1/03 ,  H05K1/09 ,  H01L31/0216 ,  H01L31/0392 ,  H01L31/20 ,  H05K1/16

    Abstract: A method is disclosed for applying an electrical conductor to a solar cell, which comprises providing a flexible membrane with a pattern of groove formed on a first surface thereof, and loading the grooves with a composition comprising conductive particles. The composition is, or may be made, electrically conductive. Once the membrane is loaded, the grooved first surface of the membrane is brought into contact with a front or/and back of a solar cell. A pressure is then applied between the solar cell and the membrane(s) so that the composition loaded to the grooves adheres to the solar cell. The membrane(s) and the solar cell are separated and the composition in the groove is left on the solar cell surface. The electrically conductive particles in the composition are then sintered or otherwise fused to form a pattern of electrical conductor on the solar cell, the pattern corresponding to the pattern formed in the membrane(s).

    Application of electrical conductors of a solar cell
    2.
    发明授权
    Application of electrical conductors of a solar cell 有权

    公开(公告)号：US10973129B2

    公开(公告)日：2021-04-06

    申请号：US16258808

    申请日：2019-01-28

    Applicant: LUMET TECHNOLOGIES LTD.

    Inventor： Benzion Landa ,  Naomi Elfassy ,  Stanislav Thygelbaum

    IPC: H05K3/20 ,  H05K3/38 ,  H01L31/0224 ,  H05K3/34 ,  H05K1/03 ,  H05K1/09 ,  H01L31/0216 ,  H01L31/0392 ,  H01L31/20 ,  B41M1/12 ,  H05K1/16

    Abstract: A method is disclosed for applying an electrical conductor to a solar cell, which comprises providing a flexible membrane with a pattern of groove formed on a first surface thereof, and loading the grooves with a composition comprising conductive particles. The composition is, or may be made, electrically conductive. Once the membrane is loaded, the grooved first surface of the membrane is brought into contact with a front or/and back of a solar cell. A pressure is then applied between the solar cell and the membrane(s) so that the composition loaded to the grooves adheres to the solar cell. The membrane(s) and the solar cell are separated and the composition in the groove is left on the solar cell surface. The electrically conductive particles in the composition are then sintered or otherwise fused to form a pattern of electrical conductor on the solar cell, the pattern corresponding to the pattern formed in the membrane(s).

    SYSTEM FOR INTRODUCING A SUBSTRATE INTO A NIP
    4.
    发明公开
    SYSTEM FOR INTRODUCING A SUBSTRATE INTO A NIP 审中-公开

    公开(公告)号：US20240173954A1

    公开(公告)日：2024-05-30

    申请号：US18284530

    申请日：2022-04-05

    Applicant: LUMET TECHNOLOGIES LTD.

    Inventor： Benzion LANDA ,  Jitschak SANDERS ,  Yosef SHACHAK ,  Ofir NEGER

    IPC: B32B37/00 ,  B65G15/30 ,  H01L31/18 ,  H05K3/20

    CPC classification number: B32B37/025 ,  B65G15/30 ,  H01L31/18 ,  H05K3/207 ,  H05K2203/1545

    Abstract: A system is disclosed for transferring a substance pattern to a substrate. The system comprises a web carrying the substance pattern, a web drive mechanism for driving the web through a nip between a roller and an opposing surface, and a transport mechanism for advancing a substrate having parallel side edges towards the nip, for the substrate to be gripped in the nip and frictionally driven through the nip at the same time as, and with the same speed as, the web, the web being pressed against a surface of the substrate during passage through the nip to cause the substance pattern to transfer from the web to the substrate. The lateral abutments located on opposite sides of the substrate are movable towards and away one another and resiliently biased to grip it, the abutments serving to align the substrate with the web and to advance it towards the nip.

    METHOD FOR APPLYING A PATTERN TO A SUBSTRATE
    5.
    发明申请
    METHOD FOR APPLYING A PATTERN TO A SUBSTRATE 有权

    公开(公告)号：US20230087822A1

    公开(公告)日：2023-03-23

    申请号：US17994551

    申请日：2022-11-28

    Applicant: LUMET TECHNOLOGIES LTD.

    Inventor： Benzion LANDA ,  Haim TOUITOU ,  Stanislav THYGELBAUM ,  Naomi ELFASSY

    IPC: H05K3/20 ,  H05K3/38 ,  B41M1/12 ,  H01L31/0224 ,  H05K3/34 ,  H05K1/03 ,  H05K1/09 ,  H01L31/0216 ,  H01L31/0392 ,  H01L31/20

    Abstract: An apparatus is disclosed for transferring a pattern of a composition containing particles of an electrically conductive material and a thermally activated adhesive from a surface of a flexible web to a surface of a substrate. The apparatus comprises: respective drive mechanisms for advancing the web and the substrate to a nip through which the web and the substrate pass at the same time and where a pressure roller acts to press the surfaces of the web and the substrate against one another, a heating station for heating at least one of the web and the substrate prior to, or during, passage through the nip, to a temperature at which the adhesive in the composition is activated, a cooling station for cooling the web after passage through the nip, and a separating device for peeling the web away from the substrate after passage through the cooling station, to leave the pattern of composition adhered to the surface of the substrate.

    TRANSFERABLE COMPOSITION AND METHODS FOR PREPARING AND USING THE SAME
    6.
    发明申请
    TRANSFERABLE COMPOSITION AND METHODS FOR PREPARING AND USING THE SAME 有权

    公开(公告)号：US20220372259A1

    公开(公告)日：2022-11-24

    申请号：US17769863

    申请日：2020-10-22

    Applicant: LUMET TECHNOLOGIES LTD.

    Inventor： Benzion LANDA ,  Shlomo LEVY ,  Naomi ELFASSY

    IPC: C08L23/08 ,  C08K3/08 ,  C08K3/01 ,  H05K1/09

    Abstract: There is disclosed a transferable composition being applicable to a membrane serving to transfer a pattern of the composition to an intended substrate. The transferable composition comprises a swellable polymer swelled by a swelling agent and particles dispersed therein. Methods of preparing the composition, applying it to a transfer membrane as a pattern, and transferring the pattern to a substrate, as well as articles made thereby, are also provided. The transferred patterns may serve a decorative and/or functional purpose and the transferable compositions may accordingly include decorative and/or functional particles. When the functional particles are or can be rendered electrically conductive, a pattern formed therewith can be part of a conductive circuit and can serve, for example, for the manufacturing of a solar cell.

    Application of Electrical Conductors of a Solar Cell
    8.
    发明申请
    Application of Electrical Conductors of a Solar Cell 有权

    公开(公告)号：US20230129839A1

    公开(公告)日：2023-04-27

    申请号：US18086848

    申请日：2022-12-22

    Applicant: LUMET TECHNOLOGIES LTD.

    Inventor： Benzion LANDA ,  Naomi ELFASSY ,  Stanislav THYGELBAUM

    IPC: H05K3/20 ,  H05K3/38 ,  B41M1/12 ,  H01L31/0224 ,  H05K3/34 ,  H05K1/03 ,  H05K1/09 ,  H01L31/0216 ,  H01L31/0392 ,  H01L31/20

    Abstract: A method is disclosed for applying an electrical conductor to a solar cell, which comprises providing a flexible membrane with a pattern of groove formed on a first surface thereof, and loading the grooves with a composition comprising conductive particles. The composition is, or may be made, electrically conductive. Once the membrane is loaded, the grooved first surface of the membrane is brought into contact with a front or/and back of a solar cell. A pressure is then applied between the solar cell and the membrane(s) so that the composition loaded to the grooves adheres to the solar cell. The membrane(s) and the solar cell are separated and the composition in the groove is left on the solar cell surface. The electrically conductive particles in the composition are then sintered or otherwise fused to form a pattern of electrical conductor on the solar cell, the pattern corresponding to the pattern formed in the membrane(s).

    METHOD AND APPARATUS FOR INTRODUCING A SUBSTRATE INTO A NIP
    9.
    发明申请
    METHOD AND APPARATUS FOR INTRODUCING A SUBSTRATE INTO A NIP 有权

    公开(公告)号：US20220384228A1

    公开(公告)日：2022-12-01

    申请号：US17766721

    申请日：2020-10-22

    Applicant: LUMET TECHNOLOGIES LTD.

    Inventor： Benzion LANDA ,  Yosef SHACHAK ,  Jitschak SANDERS ,  Ofir NEGER

    IPC: H01L21/677 ,  H01L21/687

    Abstract: A system is disclosed for transferring a substance pattern to a substrate. The system comprises a nip defined between a roller and an opposing surface, a web carrying the substance pattern driven to pass the nip with a predetermined velocity, and an endless conveyor for transporting the substrate towards the nip, the substrate passing through the nip at the same time, and with the same speed, as the web in order for the substance pattern to be transferred from the web to the substrate. Upon gripping of the substrate by the nip, no further force is applied by the transport conveyor, thereby avoiding compression of the substrate. The endless transport conveyor can be formed with at least one projection configured to engage a trailing edge of the substrate and can be driven to push the substrate towards the nip with a velocity less than the velocity of the web.

    Application of Electrical Conductors of a Solar Cell
    10.
    发明申请
    Application of Electrical Conductors of a Solar Cell 有权

    公开(公告)号：US20210136923A1

    公开(公告)日：2021-05-06

    申请号：US17151664

    申请日：2021-01-19

    Applicant: Lumet Technologies LTD.

    Inventor： Benzion LANDA ,  Naomi ELFASSY ,  Stanislav THYGELBAUM

    IPC: H05K3/20 ,  H05K3/38 ,  B41M1/12 ,  H01L31/0224 ,  H05K3/34 ,  H05K1/03 ,  H05K1/09 ,  H01L31/0216 ,  H01L31/0392 ,  H01L31/20

    Abstract: A method is disclosed for applying an electrical conductor to a solar cell, which comprises providing a flexible membrane with a pattern of groove formed on a first surface thereof, and loading the grooves with a composition comprising conductive particles. The composition is, or may be made, electrically conductive. Once the membrane is loaded, the grooved first surface of the membrane is brought into contact with a front or/and back of a solar cell. A pressure is then applied between the solar cell and the membrane(s) so that the composition loaded to the grooves adheres to the solar cell. The membrane(s) and the solar cell are separated and the composition in the groove is left on the solar cell surface. The electrically conductive particles in the composition are then sintered or otherwise fused to form a pattern of electrical conductor on the solar cell, the pattern corresponding to the pattern formed in the membrane(s).

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