H01J37/32412

ION SOURCE AND CLEANING METHOD THEREOF

An ion source includes a plasma chamber, and a suppression electrode disposed downstream of the plasma chamber, and is operable to irradiate the suppression electrode with an ion beam produced from a cleaning gas to clean the suppression electrode. Prior to cleaning, the ion source moves the suppression electrode or the plasma chamber in a first direction to increase a distance between the plasma chamber and the suppression electrode.

Semiconductor manufacturing apparatus and method thereof

In some embodiments of the present disclosure, a method of treating an atom on a substrate includes an operation of ionizing an etchant and the ionized etchant is a positively charged. The method includes an operation of attaching the ionized etchant on the atom. The method also includes an operation of bonding the atom with the etchant to from a compound. The method further includes sputtering the substrate with a charged particle and an operation of applying a bias on the water.

Systems and methods for a tunable electromagnetic field apparatus to improve doping uniformity

A method includes receiving a semiconductor wafer into a chamber; generating a plasma within the chamber to accelerate particles toward the semiconductor wafer; generating a magnetic field above the semiconductor wafer by an electromagnetic structure contained within the chamber, wherein the electromagnetic structure comprises a plurality of electromagnetic elements; and adjusting the magnetic field, wherein the adjusting of the magnetic field includes moving positions of each of the plurality of electromagnetic elements independently.

PLASMA GENERATING APPARATUS
20200236773 · 2020-07-23 ·

A plasma generating apparatus includes a dielectric medium with electrodes on first and second sides of the dielectric medium. A power source creates a voltage differential between the electrodes on the first side and the electrodes on the second side of the dielectric medium. Plasma is generated on both of the first and second sides of the dielectric medium as a result of the voltage differential.

Storage and delivery of antimony-containing materials to an ion implanter

A novel method, composition and storage and delivery container for using antimony-containing dopant materials are provided. The composition is selected with sufficient vapor pressure to flow at a steady, sufficient and sustained flow rate into an arc chamber as part of an ion implant process. The antimony-containing material is represented by a non-carbon containing chemical formula, thereby reducing or eliminating the introduction of carbon-based deposits into the ion chamber. The composition is stored in a storage and delivery vessel under stable conditions, which includes a moisture-free environment that does not contain trace amounts of moisture. The storage and delivery container is specifically designed to allow delivery of high purity, vapor phase antimony-containing dopant material at a steady, sufficient and sustained flow rate.

Spatial and temporal control of ion bias voltage for plasma processing

Systems and methods for plasma processing are disclosed. An exemplary system may include a plasma processing chamber including a source to produce a plasma in the processing chamber and at least two bias electrodes arranged within the plasma processing chamber to control plasma sheaths proximate to the bias electrodes. A chuck is disposed to support a substrate, and a source generator is coupled to the plasma electrode. At least one bias supply is coupled to the at least two bias electrodes, and a controller is included to control the at least one bias supply to control the plasma sheaths proximate to the bias electrodes.

METHOD OF INCREASING CORROSION RESISTANCE OF MAGNESIUM MEMBER, AND MAGNESIUM MEMBER HAVING EXCELLENT CORROSION RESISTANCE

Provided is a method of increasing corrosion resistance of a magnesium (Mg) member. The method includes preparing a Mg member, and ion-implanting a doping element into a surface of the Mg member. Herein, the doping element includes an element capable of increasing a Fermi energy level of magnesium oxide (MgO) when doped on MgO.

Ion implant system having grid assembly
10636935 · 2020-04-28 · ·

An ion implantation system having a grid assembly. The system includes a plasma source configured to provide plasma in a plasma region; a first grid plate having a plurality of apertures configured to allow ions from the plasma region to pass therethrough, wherein the first grid plate is configured to be biased by a power supply; a second grid plate having a plurality of apertures configured to allow the ions to pass therethrough subsequent to the ions passing through the first grid plate, wherein the second grid plate is configured to be biased by a power supply; and a substrate holder configured to support a substrate in a position where the substrate is implanted with the ions subsequent to the ions passing through the second grid plate.

Tin-containing dopant compositions, systems and methods for use in ion implantation systems

A novel method and system for using certain tin compounds as dopant sources for ion implantation are provided. A suitable tin-containing dopant source material is selected based on certain attributes. Some of these attributes include stability at room temperature; sufficient vapor pressure to be delivered from its source supply to an ion chamber and, the ability to produce a suitable beam current for ion implantation to achieve the required implant Sn dosage.

Method and Apparatus for Reducing Vacuum Loss in an Ion Implantation System
20200126774 · 2020-04-23 ·

A method and apparatus for dosage measurement and monitoring in an ion implantation system is disclosed. In one embodiment, a transferring system, includes: a vacuum chamber, wherein the vacuum chamber is coupled to a processing chamber; a shaft coupled to a ball screw, wherein the ball screw and the shaft are configured in the vacuum chamber; and a vacuum rotary feedthrough, wherein the vacuum rotary feedthrough comprises a magnetic fluid seal so as to provide a high vacuum sealing, and wherein the vacuum rotary feedthrough is configured through a first end of the vacuum chamber and coupled to the ball screw so as to provide a rotary motion on the ball screw.