Patent application number | Description | Published |
20080289575 | METHODS AND APPARATUS FOR DEPOSITING A GROUP III-V FILM USING A HYDRIDE VAPOR PHASE EPITAXY PROCESS - An improved method and apparatus for depositing a Group III-V for a hydride vapor phase epitaxy (HVPE) process are provided. In one embodiment, an apparatus for a hydride vapor phase epitaxy process may include an elongated body having a trough defined between a first and a second wall, a channel formed in the first wall configured to provide a gas to the trough, and an inlet port formed in the body coupled to the channel. In another embodiment, a method for a hydride vapor phase epitaxy process may include providing Group III metal liquid precursor in a container disposed in a chamber, flowing a halogen containing gas across the container to form a Group III metal halide vapor to a reacting zone in the chamber, and mixing the Group III metal halide vapor with a Group V gas supplied in the chamber in the reacting zone. | 11-27-2008 |
20090098276 | MULTI-GAS STRAIGHT CHANNEL SHOWERHEAD - A method and apparatus that may be utilized for chemical vapor deposition and/or hydride vapor phase epitaxial (HVPE) deposition are provided. In one embodiment, a metal organic chemical vapor deposition (MOCVD) process is used to deposit a Group III-nitride film on a plurality of substrates. A Group III precursor, such as trimethyl gallium, trimethyl aluminum or trimethyl indium and a nitrogen-containing precursor, such as ammonia, are delivered to a plurality of straight channels which isolate the precursor gases. The precursor gases are injected into mixing channels where the gases are mixed before entering a processing volume containing the substrates. Heat exchanging channels are provided for temperature control of the mixing channels to prevent undesirable condensation and reaction of the precursors. | 04-16-2009 |
20100075488 | CVD REACTOR WITH MULTIPLE PROCESSING LEVELS AND DUAL-AXIS MOTORIZED LIFT MECHANISM - An apparatus for processing a substrate, comprising a processing chamber and a substrate support and lift pin assembly disposed within the chamber. The substrate support and lift pin assembly are coupled to a lift mechanism that controls positioning of the substrate support and the lift pins and provides rotation for the substrate support. The lift mechanism includes at least one sensor capable of generating a signal when clearance between the substrate support and the lift pins allows rotation of the substrate support to begin. The substrate support capable of concurrent axial motion and rotation may be used in a processing chamber comprising multiple processing zones separated by edge rings. Substrates may be subjected to successive or cyclical processes by moving between the multiple processing zones. | 03-25-2010 |
20100200545 | NON-CONTACT SUBSTRATE PROCESSING - Embodiments of the present invention provide apparatus and methods for supporting, positioning or rotating a semiconductor substrate during processing. One embodiment of the present invention provides a method for processing a substrate comprising positioning the substrate on a substrate receiving surface of a susceptor, and rotating the susceptor and the substrate by delivering flow of fluid from one or more rotating ports. | 08-12-2010 |
20110174212 | EPITAXIAL CHAMBER WITH CROSS FLOW - Methods and apparatus for processing a substrate are provided herein. In some embodiments, an apparatus for processing a substrate includes a process chamber having a substrate support disposed therein to support a processing surface of a substrate at a desired position within the process chamber; a first inlet port to provide a first process gas over the processing surface of the substrate in a first direction; a second inlet port to provide a second process gas over the processing surface of the substrate in a second direction different from the first direction, wherein an azimuthal angle measured between the first direction and the second direction with respect to a central axis of the substrate support is up to about 145 degrees; and an exhaust port disposed opposite the first inlet port to exhaust the first and second process gases from the process chamber. | 07-21-2011 |
20110209660 | METHODS AND APPARATUS FOR DEPOSITION PROCESSES - Methods and apparatus for deposition processes are provided herein. In some embodiments, an apparatus may include a substrate support comprising a susceptor plate having a pocket disposed in an upper surface of the susceptor plate and having a lip formed in the upper surface and circumscribing the pocket, the lip configured to support a substrate on the lip; and a plurality of vents extending from the pocket to the upper surface of the susceptor plate to exhaust gases trapped between the backside of the substrate and the pocket when a substrate is disposed on the lip. Methods of utilizing the inventive apparatus for depositing a layer on a substrate are also disclosed. | 09-01-2011 |
20120024388 | MULTI-GAS STRAIGHT CHANNEL SHOWERHEAD - A method and apparatus that may be utilized for chemical vapor deposition and/or hydride vapor phase epitaxial (HVPE) deposition are provided. In one embodiment, a metal organic chemical vapor deposition (MOCVD) process is used to deposit a Group III-nitride film on a plurality of substrates. A Group III precursor, such as trimethyl gallium, trimethyl aluminum or trimethyl indium and a nitrogen-containing precursor, such as ammonia, are delivered to a plurality of straight channels which isolate the precursor gases. The precursor gases are injected into mixing channels where the gases are mixed before entering a processing volume containing the substrates. Heat exchanging channels are provided for temperature control of the mixing channels to prevent undesirable condensation and reaction of the precursors. | 02-02-2012 |
20120103263 | PRE-HEAT RING DESIGNS TO INCREASE DEPOSITION UNIFORMITY AND SUBSTRATE THROUGHPUT - Embodiments of the present invention generally relates to apparatus for use in film depositions. The apparatus generally include pre-heat rings adapted to be positioned in a processing chamber. In one embodiment, a pre-heat ring includes a ring having an inner edge and an outer edge. The outer edge has a constant radius. The inner edge is oblong-shaped and may have a first portion having a constant radius measured from a center of a circle defined by an outer circumference of the ring. A second portion may have a constant radius measured from a location other than the center of the outer circumference. In another embodiment, a processing chamber includes a pre-heat ring positioned around the periphery of a substrate support. The pre-heat ring includes an inner edge having a first portion, a second portion, and one or more linear portions positioned between the first portion and the second portion. | 05-03-2012 |
20120240853 | LINER ASSEMBLY FOR CHEMICAL VAPOR DEPOSITION CHAMBER - Embodiments described herein relate to an apparatus and method for lining a processing region within a chamber. In one embodiment, a modular liner assembly for a substrate processing chamber is provided. The modular liner assembly includes a first liner and a second liner, each of the first liner and second liner comprising an annular body sized to be received in a processing volume of a chamber, and at least a third liner comprising a body that extends through the first liner and the second liner, the third liner having a first end disposed in the process volume and a second end disposed outside of the chamber. | 09-27-2012 |
20120270384 | APPARATUS FOR DEPOSITION OF MATERIALS ON A SUBSTRATE - Methods and apparatus for deposition of materials on a substrate are provided herein. In some embodiments, an apparatus for processing a substrate may include a process chamber having a substrate support disposed therein to support a processing surface of a substrate, an injector disposed to a first side of the substrate support and having a first flow path to provide a first process gas and a second flow path to provide a second process gas independent of the first process gas, wherein the injector is positioned to provide the first and second process gases across the processing surface of the substrate, a showerhead disposed above the substrate support to provide the first process gas to the processing surface of the substrate, and an exhaust port disposed to a second side of the substrate support, opposite the injector, to exhaust the first and second process gases from the process chamber. | 10-25-2012 |
20130224962 | NON-CONTACT SUBSTRATE PROCESSING - Embodiments of the present invention provide apparatus and methods for supporting, positioning or rotating a semiconductor substrate during processing. One embodiment of the present invention provides a method for processing a substrate comprising positioning the substrate on a substrate receiving surface of a susceptor, and rotating the susceptor and the substrate by delivering flow of fluid from one or more rotating ports. | 08-29-2013 |
20140014745 | MULTI-GAS STRAIGHT CHANNEL SHOWERHEAD - A method and apparatus that may be utilized for chemical vapor deposition and/or hydride vapor phase epitaxial (HVPE) deposition are provided. In one embodiment, a metal organic chemical vapor deposition (MOCVD) process is used to deposit a Group III-nitride film on a plurality of substrates. A Group III precursor, such as trimethyl gallium, trimethyl aluminum or trimethyl indium and a nitrogen-containing precursor, such as ammonia, are delivered to a plurality of straight channels which isolate the precursor gases. The precursor gases are injected into mixing channels where the gases are mixed before entering a processing volume containing the substrates. Heat exchanging channels are provided for temperature control of the mixing channels to prevent undesirable condensation and reaction of the precursors. | 01-16-2014 |