Electricity: measuring and testing – Determining nonelectric properties by measuring electric... – Erosion
Patent
1979-11-05
1981-09-15
Tokar, Michael J.
Electricity: measuring and testing
Determining nonelectric properties by measuring electric...
Erosion
250492B, G01N 2700
Patent
active
042900123
ABSTRACT:
The device for displaying the distribution of current density of a beam of electrically charged particles comprises a support plate of electrically insulating material having a surface area at least equal to the cross-sectional area of the beam and m.times.n=q electrically conducting elements e which are fixed on the support plate in a lattice array of m lines and n columns. These elements e.sub.mn intercept portions of the beam and are each electrically connected to a system designed to process the electrical signals collected by said elements and to display the current density at m.times.n points of the beam cross-section.
REFERENCES:
patent: 3524998 (1970-08-01), Gilbert
patent: 3638111 (1972-01-01), Ennis
A. Fortino et al., Ion Implantation Beam Monitor, IBM tech Bulletin, Vol. 21, No. 6, Nov. 1978, p. 2254.
Berte Marc
Legrand Pierre
"Thomson-CSF"
Tokar Michael J.
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