Patent classifications
H01J37/32247
PLASMA PROCESSING APPARATUS
A plasma processing apparatus, includes: a chamber providing a processing space; a substrate support inside the processing space; an upper electrode provided above the substrate support via the processing space; an emitter emitting electromagnetic waves into a plasma generating space and extending in a circumferential direction around a central axis of the chamber; and a waveguide supplying the electromagnetic waves to the emitter, wherein the waveguide includes a resonator, wherein the resonator includes a first short-circuit portion constituting one end of a waveguide path and second short-circuit portions constituting the other end or beams provided along a third short-circuit portion constituting the other end by a wall surface, wherein the second short-circuit portions or the beams are arranged axisymmetric around the central axis along the circumferential direction, and wherein the second short-circuit portions or the beams and gaps electromagnetically coupled to the emitter are arranged alternately along the circumferential direction.
RESONANT ANTENNA FOR PHYSICAL VAPOR DEPOSITION APPLICATIONS
Systems and methods provide a solution for efficiently generating high density plasma for a physical vapor deposition (PVD). The present solution includes a vacuum chamber for a PVD process. The system can include a target located within the vacuum chamber for sputtering a material onto a wafer. The system can include a resonant structure formed by an antenna and a plurality of capacitors. The resonant structure can be configured to provide a pulsed output at a resonant frequency. The resonant structure can be configured to generate, via the antenna and based on the pulsed output, a plasma between the target and a location of the wafer to ionize the material sputtered from the target.
Modular microwave source with multiple metal housings
Embodiments disclosed herein include a modular microwave source array. In an embodiment, a housing assembly for the source array comprises a first conductive layer, wherein the first conductive layer comprises a first coefficient of thermal expansion (CTE), and a second conductive layer over the first conductive layer, wherein the second conductive layer comprises a second CTE that is different than the first CTE. In an embodiment, the housing assembly further comprises a plurality of openings through the housing assembly, where each opening passes through the first conductive layer and the second conductive layer.
ATMOSPHERIC COLD PLASMA JET COATING AND SURFACE TREATMENT
A system and method are described for depositing a material onto a receiving surface, where the material is formed by use of a plasma to modify a source material in-transit to the receiving surface. The system comprises a microwave generator electronics stage. The system further includes a microwave applicator stage including a cavity resonator structure. The cavity resonator structure includes an outer conductor, an inner conductor, and a resonator cavity interposed between the outer conductor and the inner conductor. The system also includes a multi-component flow assembly including a laminar flow nozzle providing a shield gas, a zonal flow nozzle providing a functional process gas, and a source material flow nozzle configured to deliver the source material. The source material flow nozzle and zonal flow nozzle facilitate a reaction between the source material and the functional process gas within a plasma region.
MODULAR MICROWAVE SOURCE WITH LOCAL LORENTZ FORCE
Embodiments include methods and apparatuses that include a plasma processing tool that includes a plurality of magnets. In one embodiment, a plasma processing tool may comprise a processing chamber and a plurality of modular microwave sources coupled to the processing chamber. In an embodiment, the plurality of modular microwave sources includes an array of applicators positioned over a dielectric that forms a portion of an outer wall of the processing chamber, and an array of microwave amplification modules. In an embodiment, each microwave amplification module is coupled to one or more of the applicators in the array of applicators. In an embodiment, the plasma processing tool may include a plurality of magnets. In an embodiment, the magnets are positioned around one or more of the applicators.
SYMMETRIC AND IRREGULAR SHAPED PLASMAS USING MODULAR MICROWAVE SOURCES
Embodiments include a plasma processing tool that includes a processing chamber, and a plurality of modular microwave sources coupled to the processing chamber. In an embodiment, the plurality of modular microwave sources include an array of applicators that are positioned over a dielectric body that forms a portion of an outer wall of the processing chamber. The array of applicators may be coupled to the dielectric body. Additionally, the plurality of modular microwave sources may include an array of microwave amplification modules. In an embodiment, each microwave amplification module may be coupled to at least one of the applicators in the array of applicators. According to an embodiment, the dielectric body be planar, non-planar, symmetric, or non-symmetric. In yet another embodiment, the dielectric body may include a plurality of recesses. In such an embodiment, at least one applicator may be positioned in at least one of the recesses.
Plasma Processing Apparatus
A plasma processing apparatus comprises a processing chamber having a processing space, an electromagnetic wave generator configured to generate electromagnetic waves for plasma excitation to be supplied to the processing space, a dielectric having a first surface facing the processing space, an electromagnetic wave supply configured to supply the electromagnetic waves to the processing space via the dielectric, and a resonator array structure disposed along the first surface of the dielectric in the processing chamber. The resonator array structure includes a plurality of resonators resonating with magnetic field components of the electromagnetic waves, having a size smaller than a wavelength of the electromagnetic waves, and arranged in a direction along the first surface of the dielectric. The electromagnetic wave supply is configured to supply magnetic field components perpendicular to a plane on which the plurality of resonators are arranged.
Apparatus and method for plasma ignition with a self-resonating device
Methods and apparatus for igniting a process plasma within a plasma chamber are provided. One or more self-resonating devices are positioned within a plasma chamber relative to a plasma generation volume within the plasma chamber. The plasma generation volume is defined by the plasma chamber. Each of the self-resonating devices generates an ignition plasma. The ignition plasmas cause a partial ionization of an ignition gas. The partially ionized ignition gas allows for ignition of a process plasma by applying an electric field to the plasma generation volume.
Portable Plasma Source for Optical Spectroscopy
A portable, modular plasma source allows the production of an emission spectrometer by combination with a common portable fiber optic spectrograph by channeling emitted light through a fiber optic coupling communicating light from the plasma source to the portable fiber optic spectrograph.
Plasma Generator Assembly for Mass Spectroscopy
A plasma unit for a mass spectroscopy machine generates plasma using a microwave coupled dielectric ring held within a microwave cavity employing part of the mass spectrometer structure to define the microwave cavity, thereby permitting improved proximity of the plasma and plasma ionized sample material to the mass spectrometer aperture.