H01L21/67046

Wafer cleaning apparatus and wafer cleaning method
11571717 · 2023-02-07 · ·

A wafer cleaning apparatus includes: a brush, configured to wash a surface to be cleaned of a wafer; a base for carrying the brush, the base having at least one conductive disk, a disk surface of the conductive disk being parallel to the surface to be cleaned, and the base being able to rotate around an axis of the base; and a magnetic field generation structure configured to emit, to the conductive disk, a magnetic field perpendicular to the disk surface of the conductive disk, so that an induced electric field is generated in the conductive disk during the rotation of the base. The quality of wafer cleaning and the yield of wafer products can be improved.

Apparatus and method for processing substrate
11571724 · 2023-02-07 · ·

A substrate processing apparatus includes a process module including a substrate support unit, an inverting unit and a processing unit, and a transfer module, wherein the inverting unit inverts a substrate so that a second surface faces upward, and provides the inverted substrate to the substrate support unit, wherein the processing unit performs a first processing on the second surface of the substrate seated on the substrate support unit, wherein the inverting unit inverts the first processed substrate so that the first surface faces upward, wherein the transfer module takes the substrate with a first surface facing upward out of the process module, and introduces again the substrate with a first surface facing upward into the process module to seat it on the substrate support unit, wherein the processing unit performs a second processing on the first surface of the substrate seated on the substrate support unit.

Substrate processing apparatus and substrate processing method
11482428 · 2022-10-25 · ·

A substrate processing apparatus includes: a substrate holder; a processing liquid supply nozzle that supplies a processing liquid to a substrate held by the substrate holder; a liquid receiving cup that receives the processing liquid supplied to the substrate; a processing chamber that accommodates the liquid receiving cup and has an opening at an upper side; a shield that shields a region outside the liquid receiving cup in the opening of the processing chamber; a driver that moves the liquid receiving cup between a first processing position separated from the shield and a second processing position above the shield; and a processing liquid guide that causes a processing liquid dropped onto the shield to fall downward.

Substrate processing apparatus and substrate processing method
11482429 · 2022-10-25 · ·

A substrate processing apparatus includes: a holder that holds a substrate; a liquid supply that sequentially supplies a first processing liquid and a second processing liquid to a main surface of the substrate held by the holder; a friction body that comes into contact with and rub the main surface of the substrate during the supply of the first processing liquid and the second processing liquid; a mover that moves a contact position of the friction body in a first axial direction and a second axial direction; and a controller that controls the liquid supply and the mover to move the contact position of the friction body in one-side direction of the first axial direction during the supply of the first processing liquid, and move the contact position of the friction body in the other-side direction of the first axial direction during the supply of the second processing liquid.

Brush, method of forming a brush, and structure embodied in a machine readable medium used in a design process
11470956 · 2022-10-18 · ·

Embodiments described herein generally relate to a brush, a method of forming a brush, and a structure embodied in a machine readable medium used in a design process are provided. The brush includes a body and a channel configured to deliver a cleaning liquid through holes in the body. The method forms the brush using 3D printing. The structure provides details for making the brush. The disclosure herein allows a method of forming a brush that does not require the removal of active porogen.

Bevel edge removal methods, tools, and systems

A tool and methods of removing films from bevel regions of wafers are disclosed. The bevel film removal tool includes an inner motor nested within an outer motor and a bevel brush secured to the outer motor. The bevel brush is adjustable radially outward to allow the wafer to be inserted in the bevel brush and to be secured to the inner motor. The bevel brush is adjustable radially inward to engage one or more sections of the bevel brush and to bring the bevel brush in contact with a bevel region of the wafer. Once engaged, a solution may be dispensed at the engaged sections of the bevel brush and the inner motor and the outer motor may be rotated such that the bevel brush is rotated against the wafer such that the bevel films of the wafer are both chemically and mechanically removed.

Cleaning device, polishing device, and device and method for calculating rotation speed of substrate in cleaning device

A cleaning device includes: a plurality of rollers that hold a peripheral edge part of a substrate; a rotation driving unit that rotates the substrate by rotationally driving the plurality of rollers; a cleaning member that abuts on the substrate and cleans the substrate; a cleaning liquid supply nozzle that supplies a cleaning liquid to the substrate; a microphone that detects a sound generated when a notch of the peripheral edge part of the substrate hits the plurality of rollers; and a rotation speed calculation unit that calculates a rotation speed of the substrate on the basis of the sound detected by the microphone.

METHOD FOR WAFER BACKSIDE POLISHING
20230064958 · 2023-03-02 ·

A method of cleaning and polishing a backside surface of a semiconductor wafer is provided. The method includes placing an abrasive brush, comprising an abrasive tape wound around an outer surface of a brush member of the abrasive brush, on the backside surface of the semiconductor wafer. The method also includes rotating the brush member to polish the backside surface of the semiconductor wafer by abrasive grains formed on the abrasive tape and to clean the backside surface of the semiconductor wafer by the brush member which is not covered by the abrasive tape.

CLEANING ASSEMBLY
20230115306 · 2023-04-13 ·

A cleaning assembly includes a substrate having a lower surface to be held on a holding unit disposed in a processing apparatus and a cleaning member disposed on an upper surface of the substrate. A suction surface of a conveying unit is cleaned by an action of the cleaning member in a state in which the cleaning assembly is held on the holding unit.

Cover for swing member of substrate processing apparatus, swing member of substrate processing apparatus, and substrate processing apparatus

A cover for a swing member of a substrate processing apparatus includes an upper surface including a first groove, and a first side edge and a second side edge located respectively at both ends of the upper surface in the short-length direction of the cover, where a bottom portion of the first groove is located lower than the first side edge and the second side edge.