H01J37/023

Method Of Imaging And Milling A Sample

The invention relates to method of milling and imaging a sample. The method comprises the step of providing an imaging system, as well as a milling beam source. The method comprises the steps of milling, using a milling beam from said milling beam source, a sample to remove a layer of the sample; and imaging, using said imaging system, an exposed surface of the sample. As defined herein, the method further comprises the step of determining a relative position of said sample, and using said determined relative position of said sample in said milling step for positioning said sample relative to said milling beam. The relative position of said sample can be a working distance with respect to the imaging system, which can be determined by means of an autofocus procedure.

REPLACEABLE MODULE FOR A CHARGED PARTICLE APPARATUS

Disclosed herein is a module for supporting a device configured to manipulate charged particle paths in a charged particle apparatus, the module comprising: a support arrangement configured to support the device, wherein the device is configured to manipulate a charged particle path within the charged particle apparatus; and a support positioning system configured to move the support arrangement within the module; wherein the module is arranged to be field replaceable in the charged particle apparatus.

ACTUATOR ARRANGEMENT AND ELECTRON-OPTICAL COLUMN

Disclosed herein is an actuator arrangement comprising: a wall defining a cavity; a casing protruding from the wall and defining an interior in fluid communication with the cavity; an actuator comprising: a force imparter configured to impart force on a component in the cavity; and an actuation mechanism configured to drive the force imparter, wherein at least part of the actuation mechanism is within said interior of the casing and exposed to the cavity; and a control element configured to control the actuation mechanism, wherein the control element extends through the casing via a seal.

Linear Motor for Vacuum and Vacuum Processing Apparatus
20220352804 · 2022-11-03 ·

A vacuum processing apparatus includes a linear motor. The linear motor includes a mover having a permanent magnet, a stator having a coil covered by a resin member, and a wire for supplying a current to the coil provided in a vacuum sample chamber. The wire is led out to an outside of the vacuum sample chamber through a through hole portion provided in the wall surface of the vacuum sample chamber. The through hole portion is filled with the resin member integrally or with a filler that binds to the resin member, so that the through hole portion is sealed.

Multi-beam electron microscope for electron channeling contrast imaging of semiconductor material

A multi-beam electron microscope for ECCI is provided. The electron microscope has a platform, on which a crystalline sample is placed. At least a first electron source and a second electron source of the electron microscope are mounted to a housing. The housing is tiltable with respect to a longitudinal direction through a pivot for forming a fulcrum, such that the first electron source and the second electron source are tilted simultaneously and are substantially equally distanced from the platform along a vertical axis when the housing is tilted. The electron microscope also has electron beam focusing assemblies for focusing the electron beams generated by the electron sources onto the crystalline sample to generate backscattered electrons. The electron microscope also has detectors for detecting the backscattered electrons.

Charged Particle Beam System
20170236680 · 2017-08-17 ·

There is provided a charged particle beam system in which a detector can be placed in an appropriate analysis position. The charged particle beam system (100) includes: a charged particle source (11) for producing charged particles; a sample holder (20) for holding a sample (S); a detector (40) for detecting, in the analysis position, a signal produced from the sample (S) by impingement of the charged particles on the sample (S); a drive mechanism (42) for moving the detector (40) into the analysis position; and a controller (52) for controlling the drive mechanism (42). The controller (52) performs the steps of: obtaining information about the type of the sample holder (20); determining the analysis position on the basis of the obtained information about the type of the sample holder (20); and controlling the drive mechanism (42) to move the detector (40) into the determined analysis position.

HIGH VOLTAGE FEEDTHROUGH ASSEMBLY, TIME-RESOLVED TRANSMISSION ELECTRON MICROSCOPE AND METHOD OF ELECTRODE MANIPULATION IN A VACUUM ENVIRONMENT
20170229276 · 2017-08-10 ·

A high voltage feedthrough assembly (100) for providing an electric potential in a vacuum environment comprises a flange connector (10) being adapted for a connection with a vacuum vessel (201), wherein the flange connector (10) has an inner side (11) facing to the vacuum vessel (201) and an outer side (12) facing to an environment of the vacuum vessel 201, a vacuumtight insulator tube (20) having a longitudinal extension with a first end (21) facing to the flange connector (10) and a second end (22) being adapted for projecting into the vacuum vessel (201), and an electrode device (30) coupled to the second end (22) of the insulator tube (20), wherein the electrode device (30) has a front electrode (31), including a photocathode or a field emitter tip and facing to the vacuum vessel (201) and a cable adapter (32) for receiving a high-voltage cable (214), wherein a flexible tube connector (40) is provided for a vacuum-tight coupling of the insulator tube (20) with the flange connector (10), and a manipulator device (50) is connected with the insulator tube (20) for adjusting a geometrical arrangement of the insulator tube (20) relative to the flange connector (10). Furthermore, an electron diffraction or imaging apparatus (transmission electron microscope, TEM) 200 for static and/or time-resolved diffraction, including (nano-) crystallography, and real space imaging for structural investigations including the high voltage feedthrough assembly (100) and a method of manipulating an electrode device (30) in a vacuum environment are described.

Multiple gas injection system
09728375 · 2017-08-08 · ·

A multi-positional valve is used to control the destination of gas flows from multiple gas sources. In one valve position the gases flow to an isolated vacuum system where the flow rate and mixture can be adjusted prior to introduction into a sample vacuum chamber. In another valve position the pre-mixed gases flow from the isolated vacuum chamber and through a needle into the sample vacuum chamber.

Adjustment assembly and substrate exposure system comprising such an adjustment assembly

The invention relates to a substrate exposure system comprising a frame, a substrate support module for carrying a substrate, an exposure apparatus for exposing said substrate, and adjustment assembly for adjusting the position of the exposure apparatus with respect to the substrate support module. The adjustment assembly comprises a hydraulic actuator, a hydraulic generator and a conduit, wherein the conduit interconnects said hydraulic actuator and said hydraulic generator for forming a hydraulic system. The exposure apparatus, the frame, the adjustment assembly and the substrate support module are arranged as parts of a series of mechanically linked components. A first part of said series of mechanically linked components comprises the exposure apparatus, and a second part comprises the substrate support module. Said hydraulic actuator is arranged between said first part and said second part. Preferably the hydraulic actuator comprises a first bellows and the hydraulic generator comprises a second bellows.

CHARGED PARTICLE BEAM APPARATUS

A charged particle beam apparatus which automatically prepares a sample piece from a sample, includes: a charged particle beam irradiation optical system configured to perform irradiation of a charged particle beam; a sample stage configured to move, the sample being placed on the sample stage; a sample piece relocation unit configured to hold and transport the sample piece which is separated and picked up from the sample; a holder fixing stage which holds a sample piece holder to which the sample piece is relocated; and a computer which performs positional control in relation to a target object based on a template and positional information which is obtained from an image of the target object, the template being generated based on an absorption current image of the target object which is acquired using the irradiation of the charged particle beam.