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Ferroelectric Electron and Ion Generator for Small Applications


Technology Benefits

Small size and low power requirements Possibility to use USB power in some cases Dual chemical and elemental analysis


Detailed Technology Description

Professor Putterman and coworkers have developed a novel method of generating localized high energy electron and ion beams using ferroelectric energy transduction. Ferroelectric, pyroelectric, and piezoelectric crystals emit high energy (>100 KeV) electron and ion beams upon heating or application of external electromagnetic/acoustic fields. The beam may be modulated for different analysis methods or may combine analysis methods. For instance, a single piezoelectric tip may be used for scanning probe microscopy and x-ray fluorescence, combining chemical and elemental analysis.


Application No.

7741615


Others

State Of Development

Detectors have been built and used in preliminary experiments.


Background

High energy electron and ion beams are essential in charged particle microscopy, with a wide range of applications in the physical and life sciences and a market of over $2.3 billion in 2018. Specialized beams and equipment have been developed, but many are large, may require radioactivity, and can only carry out one type of analysis at once. Novel methods of generating high energy electron and ion beams on a small scale will have applications in a variety of characterization techniques.


Applications

  • Pulsed neutron generation 
  • Therapeutic X-ray/electron device 
  • Elemental/chemical analysis 
  • Electron microscopy (SEM, TEM) 
  • Compact ion beam/positron source 
  • Microthrusters for ion engines

Related Materials

B. Naranjo, J. K. Gimzewski, and S. Putterman. Observation of Nuclear Fusion Drive by a Pyroelectric Crystal. Nature, 2005.


Additional Technologies by these Inventors


Tech ID/UC Case

21694/2004-127-0


Related Cases

2004-127-0


Country/Region

USA

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