H01J2237/0041

Method and apparatus for neutral beam processing based on gas cluster ion beam technology
11199769 · 2021-12-14 ·

A method of processing a trench, via, hole, recess, void, or other feature that extends a depth into a substrate to a base or bottom and has an opening by irradiation with an accelerated neutral beam derived from an accelerated gas cluster ion beam for processing materials at the base or bottom of the opening.

Systems And Methods For Workpiece Processing Using Neutral Atom Beams
20220165614 · 2022-05-26 ·

Plasma processing systems and methods are provided. In one example, a system includes a processing chamber having a workpiece support. The workpiece is configured to support a workpiece. The system includes a plasma source configured to induce a plasma from a process gas in a plasma chamber to generate one or more species of negative ions. The system includes a grid structure configured to accelerate the one or more negative ions towards the workpiece. The grid structure can include a first grid plate, a second grid plate, and one or more magnetic elements positioned between the first grid plate and second grid plate to reduce electrons accelerated through the first grid plate. The system can include a neutralizer cell disposed. downstream of the grid structure configured to detach extra electrons from ions of the one or more species of negative ions to generate energetic neutral species for processing the workpiece.

OBJECT TABLE COMPRISING AN ELECTROSTATIC CLAMP

Disclosed is an object table for holding an object, comprising: an electrostatic clamp arranged to clamp the object on the object table; a neutralizer arranged to neutralize a residual charge of the electrostatic clamp; a control unit arranged to control the neutralizer, wherein the residual charge is an electrostatic charge present on the electrostatic clamp when no voltage is applied to the electrostatic clamp.

Methods and devices for examining an electrically charged specimen surface

A method for examining a specimen surface with a probe of a scanning probe microscope, the specimen surface having an electrical potential distribution. The method includes (a) determining the electrical potential distribution of at least one first partial region of the specimen surface; and (b) modifying the electrical potential distribution in the at least one first partial region of the specimen surface and/or modifying an electrical potential of the probe of the scanning probe microscope before scanning at least one second partial region of the specimen surface.

SCANNED ANGLED ETCHING APPARATUS AND TECHNIQUES PROVIDING SEPARATE CO-LINEAR RADICALS AND IONS

A system may include a substrate stage, configured to support a substrate, where a main surface of the substrate defines a substrate plane. The system may include an ion source, including an extraction assembly that is oriented to direct an ion beam to the substrate along a trajectory defining a non-zero angle of incidence with respect to a perpendicular to the substrate plane. The system may include a radical source oriented to direct a radical beam to the substrate along a trajectory defining the non-zero angle of incidence with respect to a perpendicular to the substrate plane. The substrate stage may be further configured to scan the substrate along a first direction, lying with the substrate plane, while the main surface of the substrate is oriented within the substrate plane.

SAMPLE PRE-CHARGING METHODS AND APPARATUSES FOR CHARGED PARTICLE BEAM INSPECTION

Disclosed herein is an apparatus comprising: a source of charged particles configured to emit a beam of charged particles along a primary beam axis of the apparatus; a condenser lens configured to cause the beam to concentrate around the primary beam axis; an aperture; a first multi-pole lens; a second multi-pole lens; wherein the first multi-pole lens is downstream with respect to the condenser lens and upstream with respect to the second multi-pole lens; wherein the second multi-pole lens is downstream with respect to the first multi-pole lens and upstream with respect to the aperture.

Scanned angled etching apparatus and techniques providing separate co-linear radicals and ions

A system may include a substrate stage, configured to support a substrate, where a main surface of the substrate defines a substrate plane. The system may include an ion source, including an extraction assembly that is oriented to direct an ion beam to the substrate along a trajectory defining a non-zero angle of incidence with respect to a perpendicular to the substrate plane. The system may include a radical source oriented to direct a radical beam to the substrate along a trajectory defining the non-zero angle of incidence with respect to a perpendicular to the substrate plane. The substrate stage may be further configured to scan the substrate along a first direction, lying with the substrate plane, while the main surface of the substrate is oriented within the substrate plane.

Ceramic material and electrostatic chuck device

Provided is a composite sintered body for an electrostatic chuck, which is not easily broken even if it is exposed to high-power plasma. Further, provided are an electrostatic chuck device using such a composite sintered body for an electrostatic chuck and a method of manufacturing a composite sintered body for an electrostatic chuck. The composite sintered body for an electrostatic chuck is a composite sintered body including an insulating ceramic and silicon carbide, in which crystal grains of the silicon carbide are dispersed in at least one selected from the group consisting of a crystal grain boundary and a crystal grain of a main phase formed by sintering crystal grains of the insulating ceramic.

SEMICONDUCTOR MANUFACTURING DEVICE WITH EMBEDDED FLUID CONDUITS

Provided herein are approaches for forming a conduit embedded within a component of a semiconductor manufacturing device (e.g., an ion implanter) using an additive manufacturing process (e.g., 3-D printing), wherein the conduit is configured to deliver a fluid throughout the component to provide heating, cooling, and gas distribution thereof. In one approach, the conduit includes a set of raised surface features formed on an inner surface of the conduit for varying fluid flow characteristics within the conduit. In another approach, the conduit may be formed in a helical configuration. In another approach, the conduit is formed with a polygonal cross section. In another approach, the component of the ion implanter includes at least one of an ion source, a plasma flood gun, a cooling plate, a platen, and/or an arc chamber base.

METHOD AND APPARATUS TO ELIMINATE CONTAMINANT PARTICLES FROM AN ACCELERATED NEUTRAL ATOM BEAM AND THEREBY PROTECT A BEAM TARGET
20220115236 · 2022-04-14 · ·

An improved ANAB system or process substantially or fully eliminating contaminant particles from reaching a beam target by adding to the usual primary (first) ionizer of the ANAB system or process an additional (second) ionizer to ionize contaminant particles and means to block or retard the ionized particles to prevent their reaching the beam target.