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    Method for printing traces on a substrate and an additive manufacturing apparatus therefor
    2.
    发明授权
    Method for printing traces on a substrate and an additive manufacturing apparatus therefor 有权

    公开(公告)号：US12082347B2

    公开(公告)日：2024-09-03

    申请号：US18345175

    申请日：2023-06-30

    Applicant: XTPL S.A.

    Inventor： Lukasz Witczak ,  Iwona Grądzka-Kurzaj ,  Aneta Wiatrowska ,  Karolina Fiączyk ,  Filip Granek

    IPC: H05K3/12

    CPC classification number: H05K3/1241

    Abstract: A method for printing traces on a substrate and an additive manufacturing apparatus therefor are provided. The method comprises determining at least two first location points for a first trace and at least two second location points for a second trace. The first trace and the second trace traverse at least two surfaces of the substrate, including a first surface of the substrate and a second surface of the substrate. At least two third location points are determined for a third trace based on the at least two first location points and the at least two second location points. The third trace is intermediate the first trace and the second trace. The third trace is formed on the at least two surfaces based on the at least two third location points.

    Method of forming a structure upon a substrate
    4.
    发明授权
    Method of forming a structure upon a substrate 有权

    公开(公告)号：US11490526B2

    公开(公告)日：2022-11-01

    申请号：US17265382

    申请日：2019-08-01

    Applicant: XTPL S.A.

    Inventor： Piotr Kowalczewski ,  Aneta Wiatrowska ,  Michal Dusza ,  Filip Granek

    IPC: H05K3/00 ,  H05K3/12 ,  H05K3/10 ,  H05K1/09

    Abstract: A method of forming a structure upon a substrate is disclosed. The method comprises: providing a substrate upon a surface of which a plurality of electrically conductive pads are disposed; depositing fluid containing a dispersion of electrically polarizable nanoparticles onto the substrate such that at least a portion of a first one of the plurality of pads is in contact with the fluid; applying an alternating electric field to the fluid using a first electrode and a second electrode, the first electrode being positioned so as to provide an effective first electrode end position from which the electric field is applied, coincident with the deposited fluid, and spaced apart from the first pad by a distance, and the second electrode being in contact with the first pad, such that a plurality of the nanoparticles are assembled to form a first elongate structure extending along at least part of the distance between the effective first electrode end position and the portion of the first pad.

    Method of printing fluid
    5.
    发明授权
    Method of printing fluid 有权

    公开(公告)号：US11673406B2

    公开(公告)日：2023-06-13

    申请号：US17425638

    申请日：2019-03-20

    Applicant: XTPL S.A.

    Inventor： Filip Granek ,  Aneta Wiatrowska ,  Krzysztof Fijak ,  Michal Dusza ,  Przemyslaw Cichon ,  Piotr Kowalczewski

    IPC: B41J2/175

    CPC classification number: B41J2/17596

    Abstract: Method of printing fluid on a printable surface of a substrate. A print head ejects fluid in a continuous stream. The print head that includes a micro-structural fluid ejector, which consists of output, elongate input, and tapering portions between the output and the elongate input portions. The output consists of an exit orifice of an inner diameter ranging between 0.1 μm and 5 μm and an end face having a surface roughness of less than 0.1 μm. The print head is positioned above the substrate with the output of the micro-structural fluid ejector pointing downward. During printing, the print head positioning system maintains a vertical distance between the end face and the printable surface of the substrate within a range of 0 μm to 5 μm, and the pneumatic system applies pressure to the fluid in the micro-structural fluid ejector in the range of −50,000 Pa to 1,000,000 Pa.

    Metallic nanoparticle compositions
    6.
    发明授权
    Metallic nanoparticle compositions 有权

    公开(公告)号：US11549026B2

    公开(公告)日：2023-01-10

    申请号：US17024512

    申请日：2020-09-17

    Applicant: XTPL S.A.

    Inventor： Mateusz Lysień ,  Aneta Wiatrowska ,  Maciej Ziȩba ,  Ludovic Schneider ,  Filip Granek

    IPC: C09D11/033 ,  C09D11/52 ,  C09D11/106 ,  C09D11/037

    Abstract: A metallic nanoparticle composition includes copper nanoparticles, a first non-aqueous polar protic solvent (boiling point in a range of 180° C. to 250° C. and viscosity in a range of 10 cP to 100 cP at 25° C.), and a second non-aqueous polar protic solvent (boiling point in a range of 280° C. to 300° C. and a viscosity of at least 100 cP at 25° C.). The concentration of copper nanoparticles in the composition is in a range of 32 wt % to 55 wt %, and the concentration of the second non-aqueous polar protic solvent in the composition is in a range of 4 wt % to 10 wt %. There is polyvinylpyrrolidone present on the copper nanoparticles surfaces. The composition's viscosity is at least 250 cP at 25° C.

    METHOD OF FORMING AN ELECTRICALLY CONDUCTIVE FEATURE TRAVERSING A MICROSCOPIC STEP AND RELATED APPARATUS
    7.
    发明申请
    METHOD OF FORMING AN ELECTRICALLY CONDUCTIVE FEATURE TRAVERSING A MICROSCOPIC STEP AND RELATED APPARATUS 有权

    公开(公告)号：US20220310397A1

    公开(公告)日：2022-09-29

    申请号：US17654088

    申请日：2022-03-09

    Applicant: XTPL S.A.

    Inventor： Lukasz Witczak ,  Jolanta Gadzalinska ,  Aneta Wiatrowska ,  Karolina Fiaczyk ,  Piotr Kowalczewski ,  Filip Granek

    IPC: H01L21/288 ,  B82Y40/00 ,  B41M1/22 ,  H01B1/02

    Abstract: A method of forming an electrically conductive feature traversing a microscopic step on or in a substrate is disclosed. A metallic nanoparticle composition is continuously extruded from a capillary tube (nozzle) while displacing the capillary tube along a first portion of a trajectory from a first position (above a step-top portion) past an edge of the microscopic step to a second position to form a first extrudate. The composition is continuously extruded while displacing the nozzle along a sloped second portion of the trajectory from the second position to a third position (above a step-bottom portion) to form a second extrudate. The third position is at a lower height than the second position. The composition is continuously extruded while displacing the nozzle along a third portion of the trajectory from the third position to a fourth position (above the step-bottom portion). The feature includes the first, second, and third extrudates.

    Method for repairing conductor tracks
    9.
    发明授权
    Method for repairing conductor tracks 有权

    公开(公告)号：US11419219B2

    公开(公告)日：2022-08-16

    申请号：US16972094

    申请日：2019-06-05

    Applicant: XTPL S.A.

    Inventor： Piotr Kowalczewski ,  Aneta Wiatrowska ,  Michal Dusza ,  Filip Granek

    IPC: H05K3/22 ,  H05K3/46

    Abstract: A method for modifying an elongate structure including providing a fluid deposited onto the substrate, the fluid containing a dispersion of electrically polarizable nanoparticles and applying an AC voltage across a portion of the elongate structure so as to cause an alternating electric current to pass through the narrow section such that a break in the elongate structure is formed at the narrow section, the break being defined between a first broken end and a second broken end of the elongate structure, and then cause, when the break is formed, an alternating electric field to be applied to the fluid such that a plurality of the nanoparticles contained in the fluid are assembled to form a continuation of the elongate structure extending from the first broken end towards the second broken end so as to join the first and second broken ends.

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