H01J2237/202

Charged particle beam apparatus and control method

A charged particle beam apparatus acquires an image that is not affected by movement of a stage at a high speed. The apparatus includes: a charged particle source for irradiating a sample with a charged particle beam; a stage on which the sample is placed; a measurement unit for measuring a movement amount of the stage; a deflector; a deflector offset control unit, which is a feedback control unit for adjusting a deflection amount of the deflector according to the movement amount of the stage; a plurality of detectors for detecting secondary charged particles emitted from the sample by irradiation of the charged particle beam; a composition ratio calculation unit that calculates composition ratios of signals output from the detectors based on the deflection amount adjusted by the feedback control unit; and an image generation unit for generating a composite image by compositing the signals using the composition ratio.

Method and system for inspecting an EUV mask

A structure for grounding an extreme ultraviolet mask (EUV mask) is provided to discharge the EUV mask during the inspection by an electron beam inspection tool. The structure for grounding an EUV mask includes at least one grounding pin to contact conductive areas on the EUV mask, wherein the EUV mask may have further conductive layer on sidewalls or/and back side. The inspection quality of the EU mask is enhanced by using the electron beam inspection system because the accumulated charging on the EUV mask is grounded. The reflective surface of the EUV mask on a continuously moving stage is scanned by using the electron beam simultaneously. The moving direction of the stage is perpendicular to the scanning direction of the electron beam.

Ion milling device and ion milling method

Provided is a machining technology to obtain a desired machining content while suppressing a possibility of causing a redeposition in a machining surface. The invention is directed to provide an ion milling device which includes an ion source which emits an ion beam, a sample holder which holds a sample, and a sample sliding mechanism which slides the sample holder in a direction including a normal direction of an axis of the ion beam.

PLASMA PROCESSING SYSTEM, TRANSFER ARM, AND METHOD OF TRANSFERRING ANNULAR MEMBER
20220319800 · 2022-10-06 · ·

There is a plasma processing system comprising: a processing chamber; a substrate support disposed in the processing chamber; an annular member disposed at an outer edge of the substrate support and having a bottom surface in contact with the substrate support, an upper surface on the opposite side of the bottom surface, and a side surface that connects the upper surface and the bottom surface; and a transfer arm configured to load/unload the annular member into/from the processing chamber while holding the upper surface or the side surface.

EXPOSURE APPARATUS AND EXPOSURE METHOD, AND DEVICE MANUFACTURING METHOD
20230143407 · 2023-05-11 · ·

In corner sections of first to fourth quadrants whose origin point is a center of an upper surface of a stage, three each of two-dimensional heads are provided. The three each of two-dimensional heads include one first head and two second heads. The stage is driven, while measuring a position of the stage using three first heads that face a two-dimensional grating of a scale plate provided above the stage from the four first heads, and during the driving, difference data of measurement values of the two second heads with respect to the first head in a measurement direction are taken in for head groups to which the three first heads belong, respectively, and using the difference data, grid errors are calibrated.

METHOD AND SYSTEM FOR POSITIONING AND TRANSFERRING A SAMPLE

A system for positioning a sample in a charged particle apparatus (CPA) or an X-ray photoelectron spectroscopy (XPS) system includes a sample carrier coupled to a stage inside the vacuum chamber of the CPA or XPS system. The system allows transferring of the sample carrier among multiple CPAs, XPS systems and glove boxes in inert gas or in vacuum. The sample carrier is releasably coupled with the stage in the vacuum chamber of the CPA or the XPS. Multiple electrodes in a sample area of the sample carrier are electrically connectable with the stage by multiple spring contacts between the sample carrier and the stage.

Inspection of regions of interest using an electron beam system

A system for scanning a plurality of regions of interest of a substrate using one or more charged particle beams, the system comprises: an irradiation module having charged particle optics; a stage for introducing a relative movement between the substrate and the charged particle optics; an imaging module for collecting electrons emanating from the substrate in response to a scanning of the regions of interest by the one or more charged particle beams; and wherein the charged particle optics is arranged to perform countermovements of the charged particle beam during the scanning of the regions of interest thereby countering relative movements introduced between the substrate and the charged particle optics during the scanning of the regions of interest.

Spinning Disk with Electrostatic Clamped Platens for Ion Implantation

A system comprising a spinning disk is disclosed. The system comprises a semiconductor processing system, such as a high energy implantation system. The semiconductor processing system produces a spot ion beam, which is directed to a plurality of workpieces, which are disposed on the spinning disk. The spinning disk comprises a rotating central hub with a plurality of platens. The plurality of platens may extend outward from the central hub and workpieces are electrostatically clamped to the platens. The plurality of platens may also be capable of rotation. The central hub also controls the rotation of each of the platens about an axis orthogonal to the rotation axis of the central hub. In this way, variable angle implants may be performed. Additionally, this allows the workpieces to be mounted while in a horizontal orientation.

PATTERN FORMING METHOD, GAS CLUSTER ION BEAM IRRADIATING DEVICE AND PATTERN FORMING APPARATUS
20170338114 · 2017-11-23 ·

A mask pattern is formed on a substrate. A first spacer film is formed on the mask pattern. The first spacer film is etched by irradiating the substrate with a gas cluster ion beam (GCIB). A first spacer pattern is formed on the substrate by removing the mask pattern. A second spacer film is formed on the first spacer pattern. The second spacer film is etched. A second spacer pattern is formed on the substrate by removing the first spacer pattern. The substrate is etched using the second spacer pattern as a mask.

TESTING ASSEMBLY INCLUDING A MULTIPLE DEGREE OF FREEDOM STAGE

A multiple degree of freedom sample stage or testing assembly including a multiple degree of freedom sample stage. The multiple degree of freedom sample stage includes a plurality of stages including linear, and one or more of rotation or tilt stages configured to position a sample in a plurality of orientations for access or observation by multiple instruments in a clustered volume that confines movement of the multiple degree of freedom sample stage. The multiple degree of freedom sample stage includes one or more clamping assemblies to statically hold the sample in place throughout observation and with the application of force to the sample, for instance by a mechanical testing instrument. Further, the multiple degree of freedom sample stage includes one or more cross roller bearing assemblies that substantially eliminate mechanical tolerance between elements of one or more stages in directions orthogonal to a moving axis of the respective stages.