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    X-ray source shielding
    111.
    发明授权
    X-ray source shielding 有权

    公开(公告)号：US12293894B2

    公开(公告)日：2025-05-06

    申请号：US18464485

    申请日：2023-09-11

    Applicant: Moxtek, Inc.

    Inventor： Kasey Otho Greenland ,  Todd S. Parker

    IPC: H01J35/16

    Abstract: As an x-ray tube expands and contracts during heating and cooling, its hermetic seal can be damaged. A more robust hermetic seal, particularly as the x-ray tube is heated and cooled, is desirable. The x-ray tube described herein can include a proximal-housing 13 and a distal-housing 14, which can be connected to each other by an interface-ring 15 for improved hermetic seal. Added x-ray tube weight, of material used for blocking x-rays, can make it difficult to transport the x-ray tube. Reducing this weight is desirable. A maximum outer diameter Dp of the proximal-housing 13 can be greater than a maximum outer diameter Dd of the distal-housing 14, for improved blocking of x-rays. This diameter difference can allow improved x-ray shielding with less material.

    X-ray tube with inner-collimator
    112.
    发明授权
    X-ray tube with inner-collimator 有权

    公开(公告)号：US12283450B2

    公开(公告)日：2025-04-22

    申请号：US18104859

    申请日：2023-02-02

    Applicant: Moxtek, Inc.

    Inventor： Kasey Otho Greenland ,  Todd S. Parker ,  Rick Steck

    IPC: H01J35/18 ,  H01J35/06

    Abstract: An x-ray tube can include an x-ray window sealed to a mount. An inner-collimator can be adjacent to, but not sealed to, the x-ray window. The inner-collimator can be sandwiched between the x-ray window and an insulating-layer. The insulating-layer can span an inner-collimator-aperture of the inner-collimator, forming an isolated cavity at the inner-collimator-aperture. Walls of the cavity can include the x-ray window, the inner-collimator, and the insulating-layer. The x-ray tube can have a light weight, can block x-rays in undesirable directions, and can shape the x-ray beam.

    Wire grid polarizer with protective cap
    113.
    发明授权
    Wire grid polarizer with protective cap 有权

    公开(公告)号：US12242094B1

    公开(公告)日：2025-03-04

    申请号：US17730349

    申请日：2022-04-27

    Applicant: Moxtek, Inc.

    Inventor： Rumyana V. Petrova ,  R. Stewart Nielson ,  Michael Black

    IPC: G02B5/30 ,  G02B1/04

    Abstract: Each wire 12 of a wire grid polarizer can include a cap 22 on a reflective rib 21. The cap 22, with dimensions and material as specified herein, can protect the reflective rib 21 from corrosion and can improve performance of the wire grid polarizer. The cap 22 can be located on the distal end 21d and the pair of sidewalls 21S of the reflective rib 21. Cap 22 chemistry can include CO, C═O, COO, aluminum fluoride, and aluminum oxide. Each cap 22 can have a maximum thickness ThCS on the sidewall 21S of the reflective rib 21 in an upper 50% (above plane 31) of the wire 12 farthest from the substrate 11. Each cap 22 can have a maximum thickness ThCS on the sidewall 21S that is greater than a maximum thickness ThCD of the cap 22 on the distal end 21d.

    Liquid crystal polymer for mounting an x-ray window
    114.
    发明授权
    Liquid crystal polymer for mounting an x-ray window 有权

    公开(公告)号：US12198888B2

    公开(公告)日：2025-01-14

    申请号：US18606072

    申请日：2024-03-15

    Applicant: Moxtek, Inc.

    Inventor： Jared Sommer ,  Jonathan Abbott

    IPC: H01J35/18 ,  C09J161/00 ,  C09J167/00 ,  G01T1/16 ,  H01J5/18

    Abstract: An x-ray window can include an adhesive layer sandwiched between and providing a hermetic seal between a thin film and a housing. The adhesive layer can include liquid crystal polymer. The liquid crystal polymer can be opaque, gas-tight, made of low atomic number elements, able to withstand high temperature, low outgassing, low leakage, able to relieve stress in the x-ray window thin film, capable of bonding to many different materials, or combinations thereof.

    Planar transformer isolation circuit for an X-ray source
    115.
    发明授权
    Planar transformer isolation circuit for an X-ray source 有权

    公开(公告)号：US12193135B2

    公开(公告)日：2025-01-07

    申请号：US18082922

    申请日：2022-12-16

    Applicant: Moxtek, Inc.

    Inventor： David Hoffman

    IPC: H05G1/10 ,  H01F27/28 ,  H01J35/02 ,  H05K1/03 ,  H05K1/16

    Abstract: In an x-ray source, an isolation circuit can isolate bias voltage at a cathode from a bias voltage at an alternating current source (AC source). The isolation circuit can transfer alternating current from the AC source to the cathode. The isolation circuit can be made repeatedly with minimal variation or failed parts, can be light, and can be small. The isolation circuit can include planar transformer(s). Each planar transformer can include a primary trace on a primary circuit board and a secondary trace on a secondary circuit board. The primary trace and the secondary trace can each include a spiral shape. The primary trace can be located in close proximity to the secondary trace such that alternating electrical current through the primary trace will induce alternating electrical current through the secondary trace.

    Monolithic X-ray Source Housing
    117.
    发明公开
    Monolithic X-ray Source Housing 审中-公开

    公开(公告)号：US20240090108A1

    公开(公告)日：2024-03-14

    申请号：US18508440

    申请日：2023-11-14

    Applicant: Moxtek, Inc.

    Inventor： Kasey Otho Greenland ,  Dan Paas

    IPC: H05G1/06 ,  H01J35/16

    CPC classification number: H05G1/06 ,  H01J35/16 ,  H01J35/116

    Abstract: A monolithic housing for an x-ray source can wrap at least partially around a power supply and an x-ray tube. The monolithic housing can include Al, Ca, Cu, Fe, Mg, Mn, Ni, Si, Sr, Zn, or combinations thereof. Mg can be a major component of the monolithic housing. The monolithic housing can be formed by injection molding. The monolithic housing can provide one or more of the following advantages: (a) light weight (for easier transport), (b) high electrical conductivity (to protect the user from electrical shock), (c) high thermal conductivity (to remove heat generated during use), (d) corrosion resistance, (e) high strength, and (f) high electromagnetic interference shielding (to shield power supply components from external noise, to shield other electronic components from power supply noise, or both).

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