Cast dielectric composite linear accelerator
First Claim
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1. A compact linear accelerator comprising:
- at least one transmission line extending towards a transverse acceleration axis from a first end to a second end for propagating an electrical wavefront therethrough to impress a pulsed gradient along the acceleration axis, each transmission line comprising;
a first conductor having first and second ends with the second end adjacent the acceleration axis;
a second conductor adjacent the first conductor and having first and second ends with the second end adjacent the acceleration axis; and
a cast dielectric composite that fills the space between the first and second conductors and comprising at least one organic polymer and at least one particle filler having a dielectric constant greater than that of the organic polymer.
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Abstract
A linear accelerator having cast dielectric composite layers integrally formed with conductor electrodes in a solventless fabrication process, with the cast dielectric composite preferably having a nanoparticle filler in an organic polymer such as a thermosetting resin. By incorporating this cast dielectric composite the dielectric constant of critical insulating layers of the transmission lines of the accelerator are increased while simultaneously maintaining high dielectric strengths for the accelerator.
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Citations
21 Claims
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1. A compact linear accelerator comprising:
at least one transmission line extending towards a transverse acceleration axis from a first end to a second end for propagating an electrical wavefront therethrough to impress a pulsed gradient along the acceleration axis, each transmission line comprising;
a first conductor having first and second ends with the second end adjacent the acceleration axis;
a second conductor adjacent the first conductor and having first and second ends with the second end adjacent the acceleration axis; and
a cast dielectric composite that fills the space between the first and second conductors and comprising at least one organic polymer and at least one particle filler having a dielectric constant greater than that of the organic polymer.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method of fabricating a linear accelerator transmission line which extends towards a transverse acceleration axis from a first end to a second end for propagating an electrical wavefront therethrough to impress a pulsed gradient along the acceleration axis, comprising:
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casting at least one dielectric composite slab to have first and second ends which correspond to the first and second ends respectively of the transmission line, and comprising at least one organic polymer and at least one particle filler having a dielectric constant greater than that of the organic polymer; coating the cast dielectric composite slab with a second dielectric composite material having a dielectric constant greater than that of the cast dielectric slab(s); and pressing two conductors, each having first and second ends aligned with the first and second ends respectively of the dielectric composite slab, against each second dielectric composite material-coated cast dielectric composite slab to extrude the second dielectric composite material out from therebetween to completely fill the triple point region at each of the first and second ends of the transmission line with the second dielectric composite material. - View Dependent Claims (18, 19)
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20. A method of fabricating a linear accelerator transmission line which extends towards a transverse acceleration axis from a first end to a second end for propagating an electrical wavefront therethrough to impress a pulsed gradient along the acceleration axis, comprising:
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positioning at least one conductor in a mold cavity, said conductor having first and second ends which correspond to the first and second ends respectively of the transmission line; filling the mold cavity with a dielectric composite comprising at least one organic polymer and at least one particle filler space having a dielectric constant greater than that of the organic polymer, to at least partially immerse the conductor in the composite; and curing the dielectric composite to integrally cast the dielectric composite with the conductor, and together forming the transmission line. - View Dependent Claims (21)
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Specification