H01J37/32339

Plasma generation apparatus for generating toroidal plasma
10014162 · 2018-07-03 · ·

An inductive-coupling plasma generation apparatus in which coupling can be made stronger and power can be used more effectively than in a conventional technique. The inductive-coupling plasma generation apparatus includes an electroconductive chamber with a toroidal-shaped electrical discharge space formed inside. The plasma generation apparatus also includes a high-frequency power source connected to the chamber. The power source is configured to cause a high-frequency current to flow through electroconductive material forming the chamber along a toroidal direction.

Toroidal plasma abatement apparatus and method

An apparatus for abatement of gases is provided. The apparatus includes a toroidal plasma chamber having a plurality of inlets and an outlet, and at least one chamber wall. One or more magnetic cores are disposed relative to the toroidal plasma chamber. The plasma chamber confines a toroidal plasma. A second gas inlet is positioned on the toroidal plasma chamber between a first gas inlet and the gas outlet at a distance d from the gas outlet, such that a toroidal plasma channel volume between the first gas inlet and the second gas inlet in the is substantially filled by the inert gas, the distance d based on a desired residence time of the gas to be abated.

Plasma processing device, plasma processing method and manufacturing method of electronic device

A plasma processing device, a plasma processing method and a manufacturing method of an electronic device with excellent uniformity, are capable of performing heating and high-speed processing for a short period of time as well as controlling the distribution of heating performances in a linear direction (amounts of heat influx to a substrate). In an inductively-coupled plasma torch unit, coils, a first ceramic block and a second ceramic block are arranged, and a chamber has an annular shape. A plasma P is applied to a substrate at an opening of the chamber. The chamber and the substrate are relatively moved in a direction perpendicular to a longitudinal direction of the opening. Plural gas jetting ports jetting a gas toward a substrate stage are provided side by side in a direction of a line formed by the opening, thereby controlling the distribution of heating performances in the linear direction and realizing plasma processing with excellent uniformity.

Methods for reducing copper overhang in a feature of a substrate

Methods for forming layers on a substrate having a feature are provided herein. In some embodiments, a method for forming layers on a substrate having a features may include depositing a copper layer within the feature, wherein a thickness of the copper layer disposed on upper corners of an opening of the feature and on an upper portion of a sidewall proximate the upper corners of the feature is greater than the thickness of the copper layer disposed on a lower portion of a sidewall of the feature proximate a bottom of the feature; and exposing the substrate to a plasma formed from a process gas comprising hydrogen (H.sub.2) gas to selectively etch the copper layer proximate the upper corners of the opening and the upper portion of the sidewall proximate the upper corners, without substantially etching the copper layer proximate the lower portion of the sidewall proximate the bottom of the feature.

System and Method for Semiconductor Structure
20240379354 · 2024-11-14 ·

A method includes forming a first masking layer over a substrate, the first masking layer including a first mask line and a second mask line, heating respective top surfaces of the first mask line and the second mask line with polarized light, and forming a second masking layer over the first masking layer with an area selective deposition process. The second masking layer is thinner over a sidewall of the first mask line than over a top surface of the first mask line.

Vacuum deposition into trenches and vias and etch of trenches and via
12170185 · 2024-12-17 · ·

A plasma deposition apparatus includes a first plasma source that can produce a first plasma confined in a magnetic field, which includes: a gas distribution device configured to supply a gas, a closed-loop electrode defining a center region therein and a central axis through the central region and one or more magnets that are outside an inner surface of the closed-loop electrode. The one or more magnets can produce the magnetic field in the center region. The closed-loop electrode and the one or more magnets can produce the first plasma of activated atoms, molecules, electrons, and ions from the gas. A collimator can collimate the activated atoms, molecules, electrons, and ions produced by the first plasma source and direct the ions to a substrate.

LASER-SUSTAINED PLASMA GENERATION IN SUPERSONIC GAS JETS

A LSP broadband light source is disclosed. The light source may include a gas containment structure. The light source may include multiple jet nozzles, wherein the jet nozzles are configured to generate supersonic gas jets and direct the supersonic gas jets to collide within the gas containment structure to form a localized high-pressure region at the collision point. The light source may include a primary laser pump source, wherein the primary laser pump source is configured to direct a primary pump beam to a localized high-pressure region formed at the collision point. The light source may include a pulsed-assisting laser source, wherein the pulsed-assisting laser source is configured to direct a pulsed-assisting beam to the localized high-pressure region at the collision point. The light source may include a light collector element configured to collect broadband light emitted from the plasma.

Method for activating an inner surface of a substrate tube for the manufacturing of an optical-fiber preform

A method activates the inner surface of a substrate tube via plasma etching with a fluorine-containing etching gas. An exemplary method includes the steps of (i) supplying a supply flow of gas to the interior of a substrate tube, wherein the supply flow includes a main gas flow and a fluorine-containing etching gas flow, (ii) inducing a plasma via electromagnetic radiation to create a plasma zone within the substrate tube's interior, and (iii) longitudinally reciprocating the plasma zone over the length of the substrate tube between a reversal point near the supply side and a reversal point near the discharge side of the substrate tube. The flow of the fluorine-containing etching gas is typically provided when the plasma zone is near the supply side reversal point.

METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE, ION BEAM ETCHING DEVICE, AND CONTROL DEVICE

An ion beam etching device includes a grid provided between a treatment chamber and a plasma generation chamber, and for forming an ion beam by drawing ions from the plasma generation chamber; a gas introduction unit for introducing discharge gas into the plasma generation chamber; an exhaust for exhausting the treatment chamber; a substrate holder; a control unit to receive a measurement result of an in-plane film thickness distribution before the substrate is processed; and an electromagnetic coil provided outside of the plasma generation chamber in a ceiling portion opposite to the grid of the plasma generation chamber. The electromagnetic coil includes an outer coil provided on an outer circumference of the ceiling portion and an inner coil provided on an inner circumference of the ceiling portion, and the control unit controls the currents applied to the outer coil and the inner coil in accordance with the measurement result.

Coaxial Hollow Cathode Plasma Assisted Directed Vapor Deposition and Related Method Thereof

A plasma generation process that is more optimized for vapor deposition processes in general, and particularly for directed vapor deposition processing. The features of such an approach enables a robust and reliable coaxial plasma capability in which the plasma jet is coaxial with the vapor plume, rather than the orthogonal configuration creating the previous disadvantages. In this way, the previous deformation of the vapor gas jet by the work gas stream of the hollow cathode pipe can be avoided and the carrier gas consumption needed for shaping the vapor plume can be significantly decreased.