University of California

Radiabeam Technologies, LLC

Rayton Solar Inc.

Duly Research Inc.

James Rosenzweig

Mark Goorsky

Alex Y Murokh

Gil Travish

Andrew X Yakub

Salime Max Boucher

Ronald B Agustsson

David U L Yu

Pedro E Frigola

Bernhard Hidding

Nathan Majernik

Rodney Yoder

Rodney B Yoder

An apparatus and method for in-situ determination of arc location within a radio-frequency (RF) waveguide. At least one pair of sound vibration transducers are coupled to positions within the waveguide from which data is collected. When a threshold level of voltage standing wave ratio (VSWR) is exceeded, then transducer data is processed to determine time-of-flight (TOF), to then compare data between transducers, to identify the faster longitudinal component with speed of sound in the material of the waveguide, from which longitudinal position information about the arc is generated.

Localizing breakdown in a high power RF network

The process for manufacturing a silicon wafer includes steps for mounting a float zone silicon work piece for exfoliation, energizing a microwave device for generating an energized beam sufficient for penetrating an outer surface layer of the float zone silicon work piece, exfoliating the outer surface layer of the float zone silicon work piece with the energized beam, and removing the exfoliated outer surface layer from the float zone silicon work piece as the silicon wafer having a thickness less than 100 micrometers.

Float zone silicon wafer manufacturing system and related process

A method for testing the sensitivity of electronic components and circuits against particle and photon beams using plasma acceleration, in which the flexibility of the multifaceted interaction can produce several types of radiation such as electron, proton, ion, neutron and photon radiation, and combinations of these types of radiation, in a wide range of parameters that are relevant to the use of electronic components in space, such as satellites, at high altitudes or in facilities that work with radioactive substances such as nuclear power plants. Relevant radiation parameter ranges are accessible by this method, which are hardly accessible with conventional accelerator technology. Because of the compactness of the procedure and its versatility, radiation testing can be performed in smaller laboratories at relatively low cost.

Method of testing electronic components

An apparatus for producing x-rays for use in imaging applications having a piezoelectric or pyroelectric crystal with an upper surface and a conducting film coating the upper surface. The crystal includes a plurality of field emitters formed as micrometer-scale exposed regions in the crystal having a one or more sharp peaks or ridges, or parallel trenches forming a wedge shaped emitter. The crystal is alternately heated and cooled over a period of time so that spontaneous charge polarization occurs in the crystal. The spontaneous charge polarization causes a perpendicular electric field to arise on the crystal's top and bottom faces, that is enhanced by the sharp peaks or ridges, thereby causing field emission of surface electrons from that location. X-rays are produced when the emitted electrons strike a target material located adjacent to the emitting face, and the X-rays may be filtered or collimated.

Apparatus for producing X-rays for use in imaging

In an electron accelerator, a conductive housing defines a cavity. Photoelectrons are emitted from a photocathode into the cavity when light is applied to the photocathode. Via an opening formed in a wall of the conductive housing, the photoelectrons are output to the outside of the cavity. Coolant is flowed through a flow path formed in the wall of the conductive housing, to suppress a temperature rise of the conductive housing. The wall of the conductive housing is made by a metal additive manufacturing technique in such a way as to produce a flow path that has a gentle trajectory without discontinuities in gradient.

Method and apparatus for radio frequency cavity

A compact high energy photoelectron injector integrates the photocathode directly into a multicell linear accelerator with no drift space between the injection and the linac. High electron beam brightness is achieved by accelerating a tightly focused electron beam in an integrated, multi-cell, X-band rf linear accelerator (linac). The photoelectron linac employs a Plane-Wave-Transformer (PWT) design which provides strong cell-to-cell coupling, easing manufacturing tolerances and costs.

Growing community of inventors

Los Angeles, CA, United States of America

James Rosenzweig