IP Library › Granted Patent US 12,493,005
Granted Patent B1
US 12,493,005 · App. 18/328,114 · Granted Dec 9, 2025

Extended range active illumination imager

Inventors: Michael John Zani (Laguna Niguel, CA); Mark Joseph Bennahmias (Wesley Chapel, FL)
Assignee: NexGen Semi Holding, Inc.
G01N23/225G01N2223/3301
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Quick Facts
Patent No.
US 12,493,005
App. No.
18/328,114
Granted
Dec 9, 2025
Kind
B1
Abstract

A particle beam illuminating system includes a beam steering control subsystem configured to receive charged particles and to generate and scan a particle beam over at least a portion of a target located a distance of at least 10 meters from the beam steering control subsystem. The system further includes a beam charge control subsystem configured to receive the particle beam from the beam steering control subsystem and to control an output charge of the particle beam impinging the target.

Claims (103)

1 . A particle beam illuminating system comprising:

a beam steering control subsystem configured to receive charged particles and to generate and scan a particle beam over at least a portion of a target located a distance of at least 10 meters from the beam steering control subsystem; and

a beam charge control subsystem configured to receive the particle beam from the beam steering control subsystem and to control an output charge of the particle beam impinging the target.

2 . The system of claim 1 , further comprising a charged particle source configured to provide charged particles in a plurality of particle species, a particle filter configured to receive the charged particles in the plurality of particle species and to controllably select charged particles of an individual particle species, a beam buncher configured to receive the selected charged particles and to generate a segmented beam pulse train and to provide the beam pulse train to the beam steering control subsystem.

3 . The system of claim 2 , wherein the charged particle source is selected from the group consisting of: a confined ion source; a liquid metal ion source (LMIS); plasma ion source (PIS); a volume plasma ion source (VPIS); a gas field ionization source (GFIS); a carbon nanotube field emitter; a free electron laser and a substrate irradiated by the free electron laser; a pulsed laser ablation ion source; a magnetically confined plasma anode (MAP) source; a thermal field emission (TFE) electron source.

4 . The system of claim 3 , wherein the charged particle source is configured to generate a time evolving modulated amplitude output.

5 . The system of claim 1 , further comprising a beam buncher configured to generate a segmented beam pulse train comprising a plurality of bunches.

6 . The system of claim 5 , wherein the beam buncher is configured to control a charged particle density of the bunches.

7 . The system of claim 1 , further comprising at least one detector configured to receive and detect photon emission generated by interactions of the particle beam with the target.

8 . The system of claim 1 , wherein the particles are selected from the group consisting of: photons; ions; anions; protons; electrons.

9 . The system of claim 1 , further comprising an accelerating potential configured to accelerate the particle beam, the accelerating potential in a range of 5 keV to 5 GeV.

10 . The system of claim 9 , wherein the accelerating potential is in a range of 0.1 MeV to 10 MeV.

11 . The system of claim 1 , wherein the beam steering control subsystem comprises a plurality of deflection stages configured to scan the particle beam across a surface area of the target.

12 . The system of claim 11 , wherein the beam steering control subsystem is configured to modify, in real-time, at least one of a scan field size, a scan field density, and a scan dwell duration of the particle beam impinging the target.

13 . The system of claim 1 , wherein the particle beam impinging the target has a current density above 0.1 ampere per centimeter squared.

14 . A system comprising:

a charged particle beamline configured to project, focus, and control a particle beam;

a beam steering control subsystem configured to direct and scan the particle beam to impinge a target at a distance greater than 10 meters from the charged particle beamline;

a beam charge control subsystem configured to control an output charge of the particle beam; and

at least one illumination sensor configured to receive an illuminated optical signal generated by the particle beam impinging the target.

15 . The system of claim 14 , wherein the at least one illumination sensor is separate from the beamline.

16 . The system of claim 14 , wherein the at least one illumination sensor has an operational bandwidth that includes a portion of an x-ray electromagnetic spectrum or a portion of a visible electromagnetic spectrum.

17 . The system of claim 14 , wherein the at least one illumination sensor comprises at least one integrated filter configured to block and/or remove ambient background optical signals from an operational environment.

18 . The system of claim 14 , wherein the at least one illumination sensor comprises one or more detectors configured to detect stimulated emission in different spectral bands.

19 . The system of claim 18 , wherein the different spectral bands are selected from the group consisting of: an x-ray spectral portion, an ultraviolet spectral portion, a visible spectral portion, and an infrared spectral portion.

20 . The system of claim 18 , wherein the one or more detectors comprises an optical diode.

21 . The system of claim 14 , wherein the at least one illumination sensor comprises at least one narrowband color filter for measuring stimulated emission at different wavelengths.

22 . The system of claim 1 , wherein the particle beam comprises discrete bunches of multiple particle species.

23 . The system of claim 1 , wherein the particle beam is configured to generate photon emission from surface atoms of the target.

24 . The system of claim 23 , wherein the photon emission comprises stimulated emission.

25 . The system of claim 24 , wherein the stimulated emission results from at least one of: excitation and ionization radiation of the surface atoms induced by the particle beam, excitation of atomic orbital electrons of the surface atoms and subsequent spontaneous emission.

26 . The system of claim 24 , wherein the particle beam has incident kinetic and charge metrics that optimize the spontaneous emission for enhanced detection.

27 . The system of claim 23 , wherein the photon emission comprises characteristic x-rays from the surface atoms.

28 . The system of claim 1 , further comprising a charged particle deflector configured to steer the charged particles of the particle beam, the charged particle deflector temporally synchronized with antinodes of a spatial distribution of the charged particle beam.

29 . The system of claim 1 , wherein the beam steering control subsystem is configured to scan the particle beam onto the target using controlled interruptions to impart a code in a stimulated emission signal from the target.

30 . The system of claim 29 , wherein the code is configured to be used as a further enhancement as a carrier signal of an intended target illumination for enhanced return signal.

31 . The system of claim 1 , wherein the target is stationary relative to the system during exposure of the target by the particle beam.

32 . The system of claim 1 , wherein the target is in motion relative to the system during exposure of the target by the particle beam.

33 . The system of claim 1 , further comprising a mass filter configured to control a species of the particle beam.

34 . The system of claim 33 , wherein the mass filter comprises an ExB mass filter.

35 . A system comprising:

a charged particle beamline configured to project, focus, and control a particle beam; and

a beam steering control subsystem configured to direct and scan the particle beam to impinge a target at a distance greater than 1 meter from the charged particle beamline.

36 . The system of claim 35 , wherein the beam steering control subsystem is configured to raster scan the particle beam.

37 . The system of claim 35 , wherein the beam steering control subsystem is configured to vector scan the particle beam.

38 . The system of claim 35 , wherein the beam steering control subsystem is configured to modify, in real-time, a scan field size of the particle beam on the target.

39 . The system of claim 38 , wherein the beam steering control subsystem is configured to vector scan the particle beam in a major field and to raster scan the particle beam within a subfield of the target.

40 . The system of claim 38 , wherein the beam steering control subsystem is configured to vector scan the particle beam in a major field and to raster scan the particle beam in a minor field.

41 . The system of claim 38 , wherein the beam steering control subsystem is configured to vector scan the particle beam in a major field, to vector scan the particle beam in a minor field, and to raster scan the particle beam in a single pass.

42 . The system of claim 38 , wherein the beam steering control subsystem is configured to vector scan the particle beam in a major field, to vector scan the particle beam in a minor field, and to raster scan the particle beam in alternating pixels.

43 . The system of claim 35 , wherein the beam steering control subsystem is configured to scan the particle beam in a serpentine motion.

44 . The system of claim 35 , wherein the beam steering control subsystem is configured to control individual beam pulses to each pixel in a scan field.

45 . The system of claim 35 , wherein the beam steering control subsystem is configured to control groups of individual beam pulses to each pixel in a scan field.

46 . The system of claim 35 , wherein a ratio of a particle beam spot size to a pixel spacing size at the target is greater than one.

47 . The system of claim 35 , wherein a ratio of a particle beam spot size to a pixel spacing size at the target is equal to one.

48 . The system of claim 35 , wherein a ratio of a particle beam spot size to a pixel spacing size at the target is in a range of 0.1 to 1000.

49 . The system of claim 35 , wherein the beam steering control subsystem is configured to vary a ratio of a particle beam spot size to a pixel spacing size at the target to alter a particle beam flux density at the target.

50 . A system comprising:

a charged particle beamline configured to project, focus, and control a particle beam; and

a beam detector subsystem configured to detect a signal of the particle beam hitting a target object at a distance greater than 1 meter from the charged particle beamline.

51 . The system of claim 50 , wherein the beam detector subsystem is configured to receive reflected light from the target object.

52 . The system of claim 50 , wherein the beam detector subsystem is configured to detect stimulated emission photons from the target object.

53 . The system of claim 50 , wherein the beam detector subsystem is configured to detect photons in the x-ray spectrum from the target object.

54 . The system of claim 50 , wherein the beam detector subsystem is configured to detect photons in the ultraviolet spectrum from the target object.

55 . The system of claim 50 , wherein the beam detector subsystem is configured to detect photons in the visible spectrum from the target object.

56 . The system of claim 50 , wherein the beam detector subsystem is configured to detect photons in the infrared spectrum from the target object.

57 . The system of claim 50 , wherein the beam detector subsystem is configured to measure an emission response return from the target object due to time gated pulses of the particle beam.

58 . The system of claim 50 , wherein the beam detector subsystem is configured to measure a pulse return time of the particle beam pulse time of flight to the target object and received photon time of flight.

59 . The system of claim 50 , wherein the beam detector subsystem is configured to measure a return time of a group of pulses of the particle beam illuminating the target object and received photon time of flight.

60 . The system of claim 50 , wherein the beam detector subsystem is configured to measure a temporal phase of the particle beam pulse chain imaged off the target object.

61 . The system of claim 50 , wherein the beam detector subsystem is configured to measure gated return signal along with coded interruptions imparted by the particle beam to enhance a return signal.

62 . The system of claim 50 , wherein the particle beam is emitted as a sequenced pulsed code at the target object.

63 . The system of claim 62 , wherein the beam detector subsystem is configured to receive a return signal and to identify the pulsed code from the target object.

64 . A system comprising:

a charged particle source configured to provide charged particles;

a charged particle beamline configured to receive the charged particles from the charged particle source and to project, focus, and control a particle beam; and

a beam steering control subsystem configured to direct and scan the particle beam to impinge a target at a distance greater than 10 meters from the charged particle beamline.

65 . The system of claim 64 , wherein the charged particle source is selected from the group consisting of: a confined ion source; a liquid metal ion source (LMIS); plasma ion source (PIS); a volume plasma ion source (VPIS); a gas field ionization source (GFIS); a carbon nanotube field emitter; a free electron laser and a substrate irradiated by the free electron laser; a pulsed laser ablation ion source; a magnetically confined plasma anode (MAP) source; a thermal field emission (TFE) electron source.

66 . The system of claim 64 , wherein the beamline comprises two or more lenses.

67 . The system of claim 64 , wherein the beamline comprises a reflective optic.

68 . The system of claim 64 , wherein the beamline comprises an aperture configured to shape the particle beam.

69 . The system of claim 64 , wherein the beamline is configured to accelerate the particle beam at accelerating potentials in a range of 5 keV to 5 GeV.

70 . The system of claim 64 , wherein the beamline is configured to use additive voltages.

71 . The system of claim 64 , wherein the beamline comprises an objective lens assembly.

72 . The system of claim 64 , wherein the beamline comprises a reflective optic objective lens.

73 . The system of claim 64 , wherein the beamline comprises a refractive optic objective lens.

74 . The system of claim 64 , wherein the beamline comprises a combination reflective optic and refractive optic objective lens.

75 . The system of claim 64 , wherein the beamline comprises an electrostatic afocal optical system of lenses.

76 . The system of claim 64 , wherein the beamline comprises an electrostatic zoom configuration of an optical system of lenses.

77 . The system of claim 64 , further comprising a beam charge control subsystem configured to receive the particle beam from the beam steering control subsystem and to control an output charge of the particle beam impinging the target, the beamline comprising an objective lens assembly between the charged particle source and the beam charge control subsystem.

78 . The system of claim 77 , wherein the objective lens assembly is configured to demagnify, focus, and/or deflect groups of charged particles of the particle beam.

79 . The system of claim 64 , wherein the beamline comprises beam deflection electrodes.

80 . The system of claim 64 , wherein the beamline comprises a combination deflection electrode and refractive lens.

81 . The system of claim 64 , wherein the beam steering control subsystem comprises at least one beam deflector.

82 . The system of claim 81 , wherein the at least one beam deflector comprises at least one electrostatic beam deflector.

83 . The system of claim 82 , wherein the at least one beam deflector comprises a series of electrostatic beam deflectors.

84 . The system of claim 81 , wherein the at least one beam deflector comprises a number of deflection stages, the number in a range of 1 to 1000.

85 . The system of claim 81 , wherein the at least one beam deflector comprises at least one, two, three, or four deflection stages.

86 . The system of claim 81 , wherein the at least one beam deflector is spatially synchronized with bunches of the particle beam.

87 . The system of claim 81 , wherein the at least one beam deflector is harmonically synchronized with bunches of the particle beam.

88 . The system of claim 81 , wherein the at least one beam deflector comprises a quadrupole.

89 . The system of claim 81 , wherein the at least one beam deflector comprises an octopole.

90 . The system of claim 81 , wherein the at least one beam deflector comprises a decapole.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Oct 23, 2025
From: ZANI, MICHAEL JOHN; BENNAHMIAS, MARK JOSEPH
To: NEXGEN SEMI HOLDING, INC.
Reel/Frame 073251/0251 →
Continuity (1)
Provisional Application 63365985 · Jun 7, 2022
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