Patent classifications
H01L21/6833
Plasma processing apparatus
A plasma processing apparatus includes a stage for supporting a target object in a chamber defined by a chamber body. The stage includes a lower electrode, an electrostatic chuck provided on the lower electrode, heaters provided in the electrostatic chuck, and terminals electrically connected to the heaters. A conductor pipe electrically connects a high frequency power supply and the lower electrode and extends from the lower electrode to the outside of the chamber body. Power supply lines supply power from a heater controller to the heaters. Filters partially forming the power supply lines prevent the inflow of high frequency power from the heaters to the heater controller. The power supply lines include wirings which respectively connect the terminals and the filters and extend to the outside of the chamber body through an inner bore of the conductor pipe.
Plasma processing equipment
Plasma processing equipment includes a chuck stage for supporting a wafer and including a lower electrode, an upper electrode disposed on the chuck stage, an AC power supply which applies first to third signals having different magnitudes of frequencies to the upper electrode or the lower electrode, a dielectric ring which surrounds the chuck stage, an edge electrode located within the dielectric ring, and a resonance circuit connected to the edge electrode. The resonance circuit includes a filter circuit which allows only the third signal among the first to third signals to pass, and a series resonance circuit connected in series with the filter circuit and having a first coil and a first variable capacitor connected in series and grounded.
Substrate supports including metal-ceramic interfaces
Embodiments of the present disclosure generally relate to substrate support assemblies used in semiconductor device manufacturing. In one embodiment, a substrate support includes a ceramic body having at least one aperture formed therein defined by a sidewall. A plurality of recesses extend into the sidewall, a rod member is disposed in the at least one aperture, and an eyelet member is circumferentially disposed about the rod member. The eyelet member has a plurality of protrusions extending outwardly therefrom, each disposed in a corresponding recess of the plurality of recesses. A first portion of each protrusion is in contact with a sidewall of the respective recess of the ceramic body and a second portion of each protrusion is separated by a gap from the sidewall of the respective recess of the ceramic body. A first portion of a brazing material is disposed between an upper surface of the at least one aperture and an end of the rod member.
Semiconductor substrate supports with improved high temperature chucking
Exemplary support assemblies may include an electrostatic chuck body defining a substrate support surface. The assemblies may include a support stem coupled with the electrostatic chuck body. The assemblies may include a heater embedded within the electrostatic chuck body. The assemblies may also include an electrode embedded within the electrostatic chuck body between the heater and the substrate support surface. The substrate support assemblies may be characterized by a leakage current through the electrostatic chuck body of less than or about 4 mA at a temperature of greater than or about 500° C. and a voltage of greater than or about 600 V.
METHOD FOR PROCESSING SUBSTRATE
The inventive concept relates to an apparatus and a method for processing a substrate. In an embodiment, the apparatus includes a process chamber having a processing space inside, a support unit that supports the substrate in the processing space, a gas supply unit that supplies a process gas into the processing space, and a plasma source that generates plasma from the process gas. The support unit includes a support on which the substrate is placed, an edge ring around the substrate placed on the support, an impedance adjustment member provided below the edge ring, and a temperature adjustment member that variably adjusts temperature of the impedance adjustment member.
SCREWLESS SEMICONDUCTOR PROCESSING CHAMBERS
In an embodiment, a system includes: a gas distributor assembly configured to dispense gas into a chamber; and a chuck assembly configured to secure a wafer within the chamber, wherein at least one of the gas distributor assembly and the chuck assembly includes: a first portion comprising a convex protrusion, and a second portion comprising a concave opening, wherein the convex protrusion is configured to engage the concave opening.
SEMICONDUCTOR CLEANING APPARATUS AND METHOD
The present disclosure describes a chuck-based device and a method for cleaning a semiconductor manufacturing system. The semiconductor manufacturing system can include a chamber, a chuck housed in the chamber and configured to hold a substrate, and a control device configured to control a translational displacement and a rotation of the chuck. The chuck can include a passage extending along a periphery of the chuck and dividing the chuck into an inner portion and an outer sidewall portion, and a first multiple of openings through the outer sidewall portion of the chuck and interconnected with the passage. The passage can be configured to transport a fluid. The first multiple of openings can be configured to dispense the fluid.
METHOD FOR MANUFACTURING ELECTROSTATIC CHUCK HAVING ELECTRODE LAYER INCLUDING CLAD MEMBER AND ELECTROSTATIC CHUCK MANUFACTURED THEREBY
This application relates to a method of manufacturing an electrostatic chuck having a high heat dissipation property and high thermal shock resistance and being lightweight, and an electrostatic chuck manufactured by the method. In one aspect, the method includes preparing a composite powder by milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder through ball milling. The method may also include manufacturing a multilayer billet including a core layer and one or more shell layers surrounding the core layer, in which at least one of the core and shell layers contains the composite powder. The method may further include extruding the multilayer billet to form an electrode layer and forming a dielectric layer on the electrode layer.
CRYOGENIC MICRO-ZONE ELECTROSTATIC CHUCK CONNECTOR ASSEMBLY
Embodiments of the present disclosure generally relate to a cryogenic micro-zone connection assembly for a substrate support assembly suitable for use in cryogenic applications. In one or more embodiments, the cryogenic micro-zone connection assembly has a first end having a micro-zone connector. A second end has a socket connection. A flange is disposed between the micro-zone connector and the socket connection. And a wiring harness is coupled at the first end to the micro-zone connector, extends through the flange and is coupled at the second end to the socket connection.
METHOD OF MANUFACTURING ELECTROSTATIC CHUCK HAVING ELECTRODE LAYER MADE OF HETEROGENEOUS COMPOSITE MATERIAL, AND ELECTROSTATIC CHUCK MANUFACTURED THEREBY
This application relates to a method of manufacturing an electrostatic chuck having good characteristics in heat dissipation, thermal shock resistance, and lightness. In one aspect, the method includes preparing a composite powder by ball-milling (i) aluminum or aluminum alloy powder and (ii) carbon-based nanomaterial powder. The method may also include preparing an electrode layer by sintering the composite powder through spark plasma sintering (SPS), and forming a dielectric layer on the electrode layer.