H01J37/317

Charged particle source module

The disclosed embodiments relate to a charged particle source module for generating and emitting a charged particle beam, such as an electron beam, comprising: a frame including a first frame part, a second frame part, and one or more rigid support members which are arranged between said first frame part and said second frame part; a charged particle source arrangement for generating a charged particle beam, such as an electron beam, wherein said charged particle source arrangement, such as an electron source, is arranged at said second frame part; and a power connecting assembly arranged at said first frame part, wherein said charged particle source arrangement is electrically connected to said connecting assembly via electrical wiring.

Proximity effect correction in electron beam lithography

A method of generating a layout pattern includes determining a first energy density indirectly exposed to a first feature of one or more features of a layout pattern on an energy-sensitive material when the one or more features of the layout pattern on the energy-sensitive material are directly exposed by a charged particle beam. The method also includes adjusting a second energy density exposed the first feature when the first feature is directly exposed by the charged particle beam. A total energy density of the first feature that comprises a sum of the first energy density from the indirect exposure and the second energy density from the direct exposure is maintained at about a threshold energy level to fully expose the first feature in the energy-sensitive material.

Multiple charged particle beam writing apparatus and multiple charged particle beam writing method
11556061 · 2023-01-17 · ·

A multiple charged particle beam writing apparatus includes a margined block region generation circuit to generate plural margined block regions each formed by adding a margin region to the periphery of each block region of plural block regions obtained by dividing the writing region of the target object, a detection circuit to detect a defective beam in multiple charged particle beams, a specifying circuit to specify, for each defective beam detected, a position irradiated with the defective beam, and an affiliation determination circuit to determine a margined block region, in the plural margined block regions, to which the position irradiated with the defective beam belongs, based on conditions set according to a sub-block region, in plural sub-block regions acquired by dividing the margined block region, in which the position irradiated with the defective beam in the multiple charged particle beams is located.

In-situ high power implant to relieve stress of a thin film

Embodiments of the present disclosure generally relate to techniques for deposition of high-density films for patterning applications. In one embodiment, a method of processing a substrate is provided. The method includes depositing a carbon hardmask over a film stack formed on a substrate, wherein the substrate is positioned on an electrostatic chuck disposed in a process chamber, implanting ions into the carbon hardmask, wherein depositing the carbon hardmask and implanting ions into the carbon hardmask are performed in the same process chamber, and repeating depositing the carbon hardmask and implanting ions into the carbon hardmask in a cyclic fashion until a pre-determined thickness of the carbon hardmask is reached.

HYDROGEN SUPPLY DEVICE, AND ION BEAM IRRADIATION APPARATUS EQUIPPED THEREWITH

A hydrogen supply device disposed in a high-potential section includes a bottle internally provided with a hydrogen absorbing alloy.

Resonator, linear accelerator configuration and ion implantation system having toroidal resonator

An apparatus may include a drift tube assembly, arranged to transmit an ion beam. The drift tube assembly may include a first ground electrode; an RF drift tube assembly, disposed downstream of the first ground electrode; and a second ground electrode, disposed downstream of the RF drift tube assembly. The RF drift tube assembly may define a triple gap configuration. The apparatus may include a resonator, where the resonator comprises a toroidal coil, having a first end, connected to a first RF drift tube of the RF drift tube assembly, and a second end, connected to a second RF drift tube of the RF drift tube assembly.

Ion implanter and electrostatic quadrupole lens device

An ion implanter includes a high energy multistage linear acceleration unit for accelerating an ion beam. The high energy multistage linear acceleration unit includes high frequency accelerators in a plurality of stages provided along a beamline through which the ion beam travels, and electrostatic quadrupole lens devices in a plurality of stages provided along the beamline. The electrostatic quadrupole lens device in each of the stages includes a plurality of lens electrodes facing each other in a radial direction perpendicular to an axial direction, and disposed at an interval in a circumferential direction, an upstream side cover electrode covering a beamline upstream side of the plurality of lens electrodes and including a beam incident port, and a downstream side cover electrode covering a beamline downstream side of the plurality of lens electrodes and including a beam exiting port.

Resonator coil having an asymmetrical profile

Embodiments herein are directed to a resonator for an ion implanter. In some embodiments, a resonator may include a housing, and a first coil and a second coil partially disposed within the housing. Each of the first and second coils may include a first end including an opening for receiving an ion beam, and a central section extending helically about a central axis, wherein the central axis is parallel to a beamline of the ion beam, and wherein an inner side of the central section has a flattened surface.

CHARGED-PARTICLE MULTI-BEAM COLUMN, CHARGED-PARTICLE MULTI-BEAM COLUMN ARRAY, INSPECTION METHOD
20230238215 · 2023-07-27 · ·

The disclosure relates to charged-particle multi-beam columns and multi-beam column arrays. In one arrangement, a sub-beam defining aperture array forms sub-beams from a beam of charged particles. A collimator array collimates the sub-beams An objective lens array projects the collimated sub-beams onto a sample. A detector detects charged particles emitted from the sample. Each collimator is directly adjacent to one of the objective lenses. The detector is provided in a plane down-beam from the sub-beam defining aperture array.

A DETECTOR SUBSTRATE FOR USE IN A CHARGED PARTICLE MULTI-BEAM ASSESSMENT TOOL

A detector substrate (or detector array) for use in a charged particle multi-beam assessment tool to detect charged particles from a sample. The detector substrate defines an array of apertures for beam paths of respective charged particle beams of a multi-beam. The detector substrate includes a sensor unit array. A sensor unit of the sensor unit array is adjacent to a corresponding aperture of the aperture array. The sensor unit is configured to capture charged particles from the sample. The detector array may include an amplification circuit associated with each sensor unit in the sensor unit array and proximate to the corresponding aperture in the aperture array. The amplification circuit may include a Trans Impedance Amplifier and/or an analogue to digital converter.