H01J37/32743

SEMICONDUCTOR PROCESSING CHAMBER ARCHITECTURE FOR HIGHER THROUGHPUT AND FASTER TRANSITION TIME
20220130649 · 2022-04-28 · ·

Exemplary substrate processing systems may include a chamber body defining a transfer region. The systems may include a lid plate seated on the chamber body along a first surface of the lid plate. The lid plate may define a plurality of apertures through the lid plate. The lid plate may further define a recess about each aperture of the plurality of apertures in the first surface of the lid plate. Each recess may extend partially through a thickness of the lid plate. The systems may include a plurality of lid stacks equal to a number of apertures of the plurality of apertures. Each recess may receive at least a portion of one of the lid stacks of the plurality of lid stacks. The plurality of lid stacks may at least partially define a plurality of processing regions vertically offset from the transfer region.

Symmetric plasma process chamber

Embodiments of the present invention provide a plasma chamber design that allows extremely symmetrical electrical, thermal, and gas flow conductance through the chamber. By providing such symmetry, plasma formed within the chamber naturally has improved uniformity across the surface of a substrate disposed in a processing region of the chamber. Further, other chamber additions, such as providing the ability to manipulate the gap between upper and lower electrodes as well as between a gas inlet and a substrate being processed, allows better control of plasma processing and uniformity as compared to conventional systems.

ETCHING METHOD AND PLASMA ETCHING APPARATUS
20230245897 · 2023-08-03 · ·

A plasma etching apparatus includes: a chamber; a support configured to support a substrate in the chamber; a gas supply configured to supply a processing gas into the chamber, the processing gas including hydrogen fluoride gas with a volume flow ratio of 30% or more with respect to a total flow rate of the processing gas; a plasma generator configured to generate a plasma from the processing gas in the chamber to etch the substrate with the plasma; and a cooler configured to maintain the support at 0° C. or lower during generation of the plasma.

SUBSTRATE PROCESSING SYSTEM, CONTROL METHOD, AND CONTROL PROGRAM

There is provided a substrate processing system. The system comprises: a substrate processing device having a processing container configured to perform processing of a substrate, and a direct current (DC) power source configured to apply a DC voltage to a specific part in the processing container; and a controller configured to control the substrate processing device. A process performed by the controller includes a process of acquiring desired process conditions and a real value of the DC voltage measured during processing of the substrate based on the process conditions, and a process of creating a regression analysis equation which calculates an estimated value of the DC voltage using a plurality of conditions among the process conditions as explanatory variables based on the acquired process conditions and real value of the DC voltages.

SUBSTRATE PROCESSING APPARATUS, SUBSTRATE PROCESSING SYSTEM, AND MAINTENANCE METHOD

A substrate processing apparatus is provided. The substrate processing apparatus comprise: a first chamber including a sidewall providing an opening, the first chamber further including a movable part movable upward and downward within the first chamber; a substrate support disposed within the first chamber; a second chamber disposed within the first chamber and defining, together with the substrate support, a processing space in which a substrate mounted on the substrate support is processed, the second chamber being separable from the first chamber and transportable between an inner space of the first chamber and the outside of the first chamber via the opening; a clamp releasably fixing the second chamber to the movable part extending above the second chamber; a release mechanism configured to release the fixing of the second chamber by the clamp; and a lift mechanism configured to move the movable part upward and downward.

OPERATION METHOD OF ETCHING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE USING THE SAME

An operation method of an etching apparatus includes transferring, from a load lock chamber to a process chamber, a substrate on which an etching target layer is formed, first etching the etching target layer on the substrate in a first etching time, transferring the substrate to a storage location in a state in a vacuum state, intermediate cleaning the process chamber in a first cleaning time, transferring the substrate from the storage location to the process chamber, second etching the etching target layer on the substrate in a second etching time, and returning the substrate to the load lock chamber. The etching target layer is formed in a predetermined etching pattern by the first etching and the second etching.

Method and apparatus for reducing vacuum loss in an ion implantation system

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.

APPARATUS FOR TREATING SUBSTRATE, METHOD FOR MEASURING HEIGHT DIFFERENCE BETWEEN LIFT PINS, AND COMPUTER READABLE RECORDING MEDIUM HAVING PROCESSING PROGRAM STORED THEREIN
20220020575 · 2022-01-20 · ·

A method for measuring a height difference between lift pins includes receiving a first center position being a position of the center of a substrate with respect to a reference position that is measured before a transfer robot loads the substrate onto a support unit provided in a process chamber, the support unit including a plurality of lift pins, receiving a second center position being a position of the center of the substrate with respect to the reference position that is measured after the transfer robot picks up the substrate unloaded from the support unit, and deriving a difference in height between at least one of the plurality of lift pins and the other lift pins from a vector difference between the first center position and the second center position.

Method of pre aligning carrier, wafer and carrier-wafer combination for throughput efficiency

A method includes aligning and positioning a carrier in a predetermined orientation and location within a first front opening pod (FOUP) of a cluster tool, transferring the carrier to a charging station of the cluster tool, transferring a substrate from a second front opening pod (FOUP) of the cluster tool to the charging station and chucking the substrate onto the carrier, transferring the carrier having the substrate thereon from the charging station to a factory interface of the cluster tool, aligning the carrier having the substrate thereon in the factory interface of the cluster tool such that during substrate processing within a processing platform of the cluster tool the carrier is properly oriented and positioned relative to components of the processing platform, where the processing platform comprises one or more processing chambers, transferring the aligned carrier having the substrate thereon from the factory interface to the processing platform of the cluster tool for substrate processing, and transferring the aligned carrier having the processed substrate thereon from the processing platform to the factory interface.

Etching apparatus and methods of cleaning thereof

A method for cleaning debris and contamination from an etching apparatus is provided. The etching apparatus includes a process chamber, a source of radio frequency power, an electrostatic chuck within the process chamber, a chuck electrode, and a source of DC power connected to the chuck electrode. The method of cleaning includes placing a substrate on a surface of the electrostatic chuck, applying a plasma to the substrate, thereby creating a positively charged surface on the surface of the substrate, applying a negative voltage or a radio frequency pulse to the electrode chuck, thereby making debris particles and/or contaminants from the surface of the electrostatic chuck negatively charged and causing them to attach to the positively charged surface of the substrate, and removing the substrate from the etching apparatus thereby removing the debris particles and/or contaminants from the etching apparatus.