H01L21/68721

STAGE AND PLASMA PROCESSING APPARATUS

A plasma processing apparatus includes a plasma processing chamber; a base disposed in the plasma processing chamber; an electrostatic chuck, disposed on the base, having a substrate support portion and an edge ring support portion on which an edge ring is disposed so as to surround a substrate; a first clamping electrode disposed in the substrate support portion; a first bias electrode disposed below the first clamping electrode in the substrate support portion; a second clamping electrode disposed in the edge ring support portion; a second bias electrode disposed below the second clamping electrode in the edge ring support portion; a first power source electrically connected to the first bias electrode; and a second power source electrically connected to the second bias electrode.

WAFER PLACEMENT TABLE

A wafer placement table includes a ceramic substrate having a wafer placement surface on an upper surface thereof and containing an electrode therein, a cooling substrate made of a metal-ceramic composite and having a cooling medium passage therein, and a metal joining layer configured to join a lower surface of the ceramic substrate to an upper surface of the cooling substrate. A thickness of a lower part of the cooling substrate below the cooling medium passage is greater than or equal to 13 mm, or greater than or equal to 43% of an overall thickness of the cooling substrate.

Substrate holder
11676837 · 2023-06-13 · ·

One object of this application is to provide an advanced substrate holder including a clamper. A substrate holder holds a substrate by interposing the substrate between frames. The substrate holder includes a front frame, a rear frame, and one or a plurality of clampers. Each of the clampers includes a hook portion including a hook base and a hook main body, and a plate including at least one claw. At least one of the clampers includes the plate including a first claw for a lock and a second claw for a semi-lock.

System and Method for Performing Spin Dry Etching
20170345703 · 2017-11-30 ·

A spin dry etching process includes loading an object into a dry etching system. A dry etching process is performed to the object, and the object is spun while the dry etching process is being performed. The spin dry etching process is performed using a semiconductor fabrication system. The semiconductor fabrication system includes a dry etching chamber in which a dry etching process is performed. A holder apparatus has a horizontally-facing slot that is configured for horizontal insertion of an etchable object therein. The etchable object includes either a photomask or a wafer. A controller is communicatively coupled to the holder apparatus and configured to spin the holder apparatus in a clockwise or counterclockwise direction while the dry etching process is being performed. An insertion of the etchable object into the horizontally-facing slot of the holder apparatus restricts a movement of the object as the dry etching process is performed.

Substrate processing method and substrate processing apparatus

A method includes: supplying a processing liquid to a center position of a substrate surface; shifting a supply position of the processing liquid from the center position to a first eccentric position; holding the supply position of the processing liquid at the first eccentric position and supplying a substitute liquid to a second eccentric position; shifting the supply position of the processing liquid in a direction away from the center position, and shifting a supply position of the substitute liquid to the center position; and supplying the processing liquid to the first eccentric position at a first flow rate, and reducing the flow rate of the processing liquid to a second flow rate after the supply position of the processing liquid starts to be shifted from the first eccentric position in the direction and until the supply position of the substitute liquid reaches the center position.

WAFER SUPPORT, CHEMICAL VAPOR PHASE GROWTH DEVICE, EPITAXIAL WAFER AND MANUFACTURING METHOD THEREOF
20170327970 · 2017-11-16 · ·

Provided is a manufacturing device capable of effectively and sufficiently reducing an edge crown. The wafer support is used in a chemical vapor phase growth device in which an epitaxial film is grown on a main surface of a wafer using a chemical vapor deposition method, the wafer support including: a wafer mounting surface having an upper surface on which a substrate is mounted; and a wafer support portion that rises to surround a wafer to he mounted, in which a height from an apex of the wafer support portion to a main surface of the wafer mounted on the wafer mounting surface is 1 mm or more.

APPARATUS FOR FABRICATING A SEMICONDUCTOR STRUCTURE AND METHOD OF FABRICATING A SEMICONDUCTOR STRUCTURE

The present disclosure provides a method for fabricating a semiconductor structure, including placing a wafer on a chuck, wherein the wafer is surrounded by a focus ring, the focus ring is supported by a first actuator, wherein the first actuator is in a cavity defined by the chuck and the edge ring, wherein the first actuator includes an outer ring disposed in the cavity, a piezoelectric layer apart from a top surface of the cavity, wherein an edge of the piezoelectric layer is fixed by the outer ring, and an inner ring disposed in the chamber at a center portion of the piezoelectric layer, performing plasma etch on a surface of the wafer, and controlling a distance between a gas distribution plate and a top surface of the focus ring to be less than a threshold value by the first actuator.

Substrate carrier
11676849 · 2023-06-13 · ·

Embodiments of substrate carriers and method of making the same are provided herein. In some embodiments, a substrate carrier includes a substantially planar body formed of an upper layer stacked on a lower layer; and a plurality of pockets formed in the substantially planar body each of which includes a support surface surrounding the pocket for supporting a substrate.

Wafer processing system with chuck assembly maintenance module

A wafer processing system has a ring maintenance module for loading wafers into a chuck assembly, and for cleaning and inspecting the chuck assembly used in electroplating processors of the system. A shaft is attached to a rotor plate. A rotation motor rotates the shaft and a rotor plate on the shaft. A chuck clamp on an upper end of the shaft holds the chuck assembly onto the rotor plate. A lift motor raises and lowers the rotor plate and the shaft, to move open the chuck assembly for wafer loading and unloading, and to move the chuck assembly into different process positions. A swing arm having spray nozzles may be provided for cleaning the chuck assembly.

Flexible substrate holder, device and method for detaching a first substrate

A flexible substrate mount for holding a first substrate when the first substrate is being detached from a second substrate, and detachment means for debonding of the second substrate by bending the first substrate. Furthermore, this invention relates to a device for detaching a first substrate from a second substrate in one detachment direction (L) with the following features: a substrate mount for holding the first substrate, said first substrate mount being flexible in the detachment direction (L), a substrate mount for holding the second substrate and detachment means for the debonding of the first substrate from the second substrate as the first substrate bends, and a method of using the same.