Abstract:
PROBLEM TO BE SOLVED: To provide a charged particle device and a method using a charged particle emitter having a discontinuous emission pattern. SOLUTION: The invention relates to the charged particle beam device and method. The device includes the emitter 102 having the emission pattern with at least two emission peaks, gun lenses 119, 519, 919 and a diaphragm 120. The gun lens includes a deflector unit 110. The deflector unit directs at least one of the two emission peaks to an opening in the diaphragm thereby to select the emission peak of the emission peaks from at least two emission patterns. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an improved emitter suitable for a liquid metal ion source or a liquid alloy ion source. SOLUTION: An emitter (100) for a liquid metal ion source is provided, the emitter comprising a wire (110), the wire comprising: a substantially curved portion (115) and a surface (120); wherein at least a portion (125) of the wire surface (120) is tapered at the substantially curved portion (115) to form an emitter tip. Furthermore, a manufacturing method for such an emitter is provided. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an electromagnetic field generating element and a plurality of multipole elements including the electromagnetic field generating element. SOLUTION: The electromagnetic field generating element 1 comprises a magnetic pole piece 10, a yoke 12 on which the magnetic pole piece 10 is mounted, at least one coil 20, a vacuum sealed container 21 storing at least one coil 20, and holders 40, 23 holding the vacuum sealed container 21 so that the vacuum sealed container 21 is separated from the magnetic pole piece 10 and the yoke 12. COPYRIGHT: (C)2007,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an analysis system having an improved detection system and a charged particle beam device equipped with the system. SOLUTION: The analysis system analyzing charged particle beams (2) includes: a divider (16) dividing the charged particle beams (2) into low-energy beams (18) and highenergy beams (19) in correspondence with their particle energy; a front detector (17) to detect the high-energy beams (19); and at least one back detector (15) to detect the low-energy beams (18). The divider is arranged between the front detector and at least one back detector, and the front detector (17) and/or at least one back detector (15) are divided into segments. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an objective lens improved for a charged particle beam device. SOLUTION: The objective lens includes a magnetic lens for generating a first magnetic field to focus a charged particle beam on a sample. In addition, a deflector is integrally formed with the magnetic lens by providing at least one additional coil device for generating a second magnetic field used to deflect the charged particle beam. Thus, the second magnetic field is guided through at least one of pole pieces of the magnetic lens. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide an electron beam source device reducing an interaction between emitted electrons.SOLUTION: An electron beam source device 200 comprises a cold field or heat support type cold field emitter tip 201, an aperture opening 203, a suppressor electrode 204 and an extractor electrode 202 extracting an electron beam. An opening angle 102 of an electron beam is determined to be 2° or below the aperture angle being defined by a width of the aperture opening 203 and a distance ranged from 0.1 mm to 2 mm between the emitter tip 201 and the extractor electrode 202. The emitter tip 201 protrudes through the suppressor electrode 204.
Abstract:
PROBLEM TO BE SOLVED: To compensate for the mechanical, magnetic and/or electrostatic error of a scanning charged particle beam device.SOLUTION: A method of compensating for the mechanical, magnetic and/or electrostatic error of a scanning charged particle beam device includes an alignment procedure. In the alignment procedure, next step for compensating four-fold astigmatism by an element having at least 8 pole compensation capability is performed. In the alignment and compensation step of the alignment procedure, beam dimension of at least 50 μm is directed in two orthogonal directions, and acts on a charged particle beam while being aligned coaxially with the element having at least 8 pole compensation capability.
Abstract:
PROBLEM TO BE SOLVED: To provide an electron beam apparatus with high electron beam intensity in order to achieve a high throughput in a desired signal-to-noise ratio.SOLUTION: An electron beam apparatus 100 comprises: a beam emitter 102 to emit a primary electron beam 101; an objective electron lens 125 to focus the primary electron beam 101 on a sample 130 and to define an optical axis 126; a beam separator 115 having a primary dispersion in order to separate a signal electron beam 135 from the primary electron beam 101; and dispersion compensation elements (104, 204). The dispersion compensation element 104 having a secondary dispersion is suitable for adjusting the secondary dispersion independently from the tilt angle of the primary beam 101 located downstream of the dispersion compensation element 104 so that the secondary dispersion fully compensates the primary dispersion, and is located upstream of the beam separator 115 along the primary electron beam 101.
Abstract:
PROBLEM TO BE SOLVED: To provide a gas field ion source in which a maintenance work can be done easily. SOLUTION: The gas field ion source containing a light emitting module is provided with a light emitting body holder, a light emitting structural body, an electric connection assembly to be connected with the light emitting module in a free removal, and a gas supply connection assembly to be connected with the light emitting module in free removal. The gas field ion source contains a supply module as well, and the supply module contains a conductive body for supplying a voltage and/or a current, a gas supplying conduit tube, a thermo-conductor, an electric connection assembly to be connected with the supply module in a free removal, and a gas supply connection assembly to be connected with the supply module in free removal. The light emitting module and the supply module can be connected in free removal by the connection assembly to be connected with the light emitting module in free removal and by the connection assembly to be connected with the supply module in free removal. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a charged particle beam device with a detecting method improved. SOLUTION: The charged particle beam device is equipped with a charged particle source (1) providing a primary charged particle beam, a first unit (5) providing a potential, a second unit (7) providing a potential, and a central unit (6) positioned between the first unit (5) and the second unit (7). The central unit slows down primary charged particles to first low energy, and can provide a different potential from the first and the second unit potentials to accelerate the primary charged particles to second high energy. The first unit (5) and/or the second unit (7) are detectors to detect secondary electrons emitted from a sample (4). COPYRIGHT: (C)2007,JPO&INPIT