Patent classifications
H01J2237/3321
Lid stack for high frequency processing
Exemplary semiconductor processing chambers may include a substrate support positioned within a processing region of the semiconductor processing chamber. The chamber may include a lid plate. The chamber may include a gasbox positioned between the lid plate and the substrate support. The gasbox may be characterized by a first surface and a second surface opposite the first surface. The gasbox may define a central aperture. The gasbox may define an annular channel in the first surface of the gasbox extending about the central aperture through the gasbox. The gasbox may include an annular cover extending across the annular channel defined in the first surface of the gasbox. The chamber may include a blocker plate positioned between the gasbox and the substrate support. The chamber may include a ferrite block positioned between the lid plate and the blocker plate.
Methods and apparatus for reducing as-deposited and metastable defects in Amorphousilicon
A method and apparatus for reducing as-deposited and metastable defects relative to amorphous silicon (a-Si) thin films, its alloys and devices fabricated therefrom that include heating an earth shield positioned around a cathode in a parallel plate plasma chemical vapor deposition chamber to control a temperature of a showerhead in the deposition chamber in the range of 350° C. to 600° C. An anode in the deposition chamber is cooled to maintain a temperature in the range of 50° C. to 450° C. at the substrate that is positioned at the anode. In the apparatus, a heater is embedded within the earth shield and a cooling system is embedded within the anode.
Plasma density control on substrate edge
Embodiments of the present disclosure generally relate to apparatuses for reducing particle contamination on substrates in a plasma processing chamber. In one or more embodiments, an edge ring is provided and includes a top surface, a bottom surface opposite the top surface and extending radially outward, an outer vertical wall extending between and connected to the top surface and the bottom surface, an inner vertical wall opposite the outer vertical wall, an inner lip extending radially inward from the inner vertical wall, and an inner step disposed between and connected to the inner wall and the bottom surface. During processing, the edge ring shifts the high plasma density zone away from the edge area of the substrate to avoid depositing particles on the substrate when the plasma is de-energized.
Batch type substrate processing apparatus
Provided is a substrate processing apparatus. The substrate processing apparatus includes a tube configured to provide a processing space, a partition wall configured to provide a discharge space in which plasma is generated, a gas supply pipe configured to supply a process gas to the discharge space, and a plurality of electrodes disposed outside the tube to generate the plasma in the discharge space. The tube has a plurality of recesses recessed inward from the outermost circumferential surface of the tube, and the plurality of electrodes are accommodated in the plurality of recesses, respectively.
Plasma processing method and plasma processing apparatus
A plasma processing method that is executed by a plasma processing apparatus including a processing container containing a target substrate, a plurality of plasma sources, and a gas supply apparatus for supplying gas includes: supplying the gas from the gas supply apparatus into the processing container; individually controlling intensity of power introduced from each of the plurality of plasma sources into the processing container; and generating plasma of the gas by the intensity of the power introduced from each of the plurality of plasma sources and depositing a desired film on a second surface of the target substrate that is an opposite surface of a first surface of the target substrate so as to apply desired film stress to a film on the first surface.
PLASMA ETCH PROCESS FOR FABRICATING HIGH ASPECT RATIO (HAR) FEATURES
A method of processing a substrate that includes: flowing a first unsaturated fluorocarbon, a saturated fluorocarbon, a first noble gas, and dioxygen into a plasma chamber; while flowing these gases, generating a plasma in the plasma chamber; and patterning, with the plasma, a material layer on the substrate.
DEPOSITION METHOD AND DEPOSITION APPARATUS
A deposition method includes (a) forming a film including silicon (Si), oxygen (O), and nitrogen (N) on a substrate; and (b) supplying a plasma generating gas including Ar gas and exposing the substrate having the film formed thereon to a plasma generated from the plasma generating gas, wherein a concentration of the nitrogen in the film is adjusted by switching to including a nitriding gas in the plasma generating gas or switching to not including the nitriding gas in the plasma generating gas.
SUBSTRATE SUPPORT APPARATUS, METHODS, AND SYSTEMS HAVING ELEVATED SURFACES FOR HEAT TRANSFER
Aspects generally relate to substrate support apparatus and systems having elevated surfaces for heat transfer between the elevated surfaces and a substrate, and the methods of using the same. In one aspect, the elevated surfaces are disposed between a recessed surface and a plurality of support surfaces of a plurality of support protrusions that extend from the recessed surface. In one aspect, the elevated surfaces are disposed between a base surface and a plurality of support surfaces of a plurality of support protrusions that extend from the base surface. During a substrate processing operation, heat is transferred to the substrate through a plurality of cavities disposed between the elevated surfaces and a backside surface of the substrate.
STATION-TO-STATION CONTROL OF BACKSIDE BOW COMPENSATION DEPOSITION
Methods for reducing warpage of bowed semiconductor substrates, including providing a first substrate to a first station in a semiconductor processing chamber, providing a second substrate to a second station in the semiconductor processing chamber, concurrently depositing a first bow compensation layer of material on the backside of the first substrate at the first station and a first bow compensation layer of material on the backside of the second substrate at the second station, and depositing a second bow compensation layer of material on the backside of the first substrate, while the first substrate is at the first station and the second substrate is at the second station, and while not concurrently depositing material on the backside of the second substrate.
PLASMA PROCESSING ASSEMBLY USING PULSED-VOLTAGE AND RADIO-FREQUENCY POWER
Embodiments of the disclosure provided herein include an apparatus and method for the plasma processing of a substrate in a processing chamber. More specifically, embodiments of this disclosure describe a biasing scheme that is configured to provide a radio frequency (RF) generated RF waveform from an RF generator to one or more electrodes within a processing chamber and a pulsed-voltage (PV) waveform delivered from one or more pulsed-voltage (PV) generators to the one or more electrodes within the processing chamber. The plasma process(es) disclosed herein can be used to control the shape of an ion energy distribution function (IEDF) and the interaction of the plasma with a surface of a substrate during plasma processing.