H01J2237/166

PLASMA PROCESSING APPARATUS AND LID MEMBER
20230058928 · 2023-02-23 ·

A plasma processing apparatus includes: a processing container in which a stage is accommodated and including an opening formed above the stage; a lid member for sealing the opening and including: at least one through-hole formed in a region facing the stage and in which a radiation part for radiating microwaves is arranged; a protruded portion formed on a first surface facing an interior of the processing container to protrude toward the interior of the processing container along an edge of the opening; a flow path formed inside the protruded portion; gas holes formed on the first surface to communicate with the flow path; and a supply port formed on a second surface facing an exterior of the processing container to communicate with the flow path; and a remote plasma unit connected to the supply port and for plasmarizing a cleaning gas and supply the same to the supply port.

Refillable ion chamber with automated purging system

An apparatus includes an ion chamber and a valve assembly. The ion chamber may include a housing enclosing a gas and one or more electrodes. The valve assembly is coupled to the ion chamber allowing control of replacement of the gas within the housing.

FIELD EMISSION DEVICE AND FIELD EMISSION METHOD
20230197394 · 2023-06-22 · ·

A vacuum container is configured so that an opening on one side and an opening on another side in the longitudinal direction of a cylindrical insulating body are sealed with an emitter unit and a target unit respectively; and a vacuum chamber is provided on the inner peripheral side of the insulating body. The emitter unit is provided with: a moving body located on the one side in the longitudinal direction in the vacuum chamber and supported so as to be movable in the longitudinal direction via a bellows; and a guard electrode located on the outer peripheral side of the moving body. An emitter section having an electron generating section is formed at a tip section of the moving body on the other side in the longitudinal direction by subjecting the surface of the tip section to film formation processing.

Pedestal support design for precise chamber matching and process control

Process chambers and methods for calibrating components of a processing chamber while the chamber volume is under vacuum are described. The process chamber includes a motor shaft connected to the process chamber with a plurality of motor bolts. A support plate is positioned under the chamber floor to accommodate for deflection of the chamber floor due to vacuum conditions within the chamber volume. A bellows assembly extending from the chamber floor to the support plate maintains vacuum conditions within the chamber.

PRINTED CIRCUIT BOARD FOR SEALING VACUUM SYSTEM

Detector modules, systems and methods for detecting signal beams are disclosed using a detector module and a support comprising a feedthrough.

Furthermore, apparatuses, systems, and methods for sealing a vacuum system configured to provide an atmospheric environment and a vacuum chamber environment are disclosed. In some embodiments, a printed circuit board (PCB) comprising a first side for exposing to the atmospheric environment and a second side for exposing to the vacuum chamber environment and for covering an aperture in the vacuum chamber environment, wherein the second side is opposite to the first side. The apparatuses, systems, and methods may include a rigid body on the first side of the PCB and a device connected to the second side of the PCB and positioned on a portion of the PCB that covers the aperture. The PCB may be configured to provide an interface between the device and the rigid body.

ELECTRON MICROSCOPE

An electron microscope includes a charged particle beam generator, a detector, a film and a bearing unit. The charged particle beam generator generates a first charged particle beam to bomb an object. The detector detects a second charged particle from the object to form an image. The film disposes on downstream of charged particle beam generator and has a first surface and a second surface. A space between charged particle beam generator and the first surface of film is a vacuum environment. The bearing unit disposes at a side of second surface of film and has a bearing surface and a back surface. The object disposes on the bearing surface of the bearing unit and a distance between an analyzed surface of the object and the film is less than a predetermined spacing. A liquid space exists between the analyzed surface and the film to be filled a liquid.

Ion beam etching system

An ion beam etching system includes an etching cavity, an etching electrode, and an electrode displacement apparatus used for enabling the electrode to change a working position in the etching cavity. The electrode displacement apparatus includes a dynamic sealing mechanism, a dynamic electrode balance counterweight mechanism, an electrode displacement transmission mechanism, and an electrode displacement driving mechanism. The etching cavity includes a cavity and a cavity cover connected with the cavity. The cavity is of an irregular shape. The cavity includes a partial cylindrical body, a side plate, a tapered transition portion, and a bottom plate. The partial cylindrical body is laterally sealed by means of the side plate. The bottom plate is connected to an end of the partial cylindrical body by means of the tapered transition portion and seals the end of the partial cylindrical body.

REFILLABLE ION CHAMBER WITH AUTOMATED PURGING SYSTEM

An apparatus includes an ion chamber and a valve assembly. The ion chamber may include a housing enclosing a gas and one or more electrodes. The valve assembly is coupled to the ion chamber allowing control of replacement of the gas within the housing.

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.

GATE VALVE APPARATUS AND SEMICONDUCTOR MANUFACTURING APPARATUS
20230317480 · 2023-10-05 · ·

A gate valve apparatus and a semiconductor manufacturing apparatus, in which a volume of a drive portion for driving a valve body is reduced, are provided. The gate valve apparatus includes a housing having an opening, a valve body configured to open and close the opening, and a drive portion configured to drive the valve body, in which the drive portion includes a first crankshaft including a first input shaft rotatably supported by a side wall of the housing and a first output shaft rotatably supported by the valve body, a second crankshaft including a second input shaft rotatably supported by the side wall of the housing and a second output shaft rotatably supported by the valve body, a rotation transmission portion configured to transmit rotation of the first input shaft to the second input shaft, and an actuator configured to rotate the first input shaft.