Patents by Inventor Lam Research Corporation

Lam Research Corporation has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20140329391
    Abstract: A method for etching features with a continuous plasma is provided. A first plasma process is provided, comprising providing a flow of a first process gas into a process chamber, maintaining the continuous plasma, and stopping the flow of the first process gas into the process chamber. A transition process is provided, comprising providing a flow of a transition gas into the process chamber, maintaining the continuous plasma, and stopping the flow of the transition gas into the process chamber. A second plasma process is provided, comprising providing a flow of a second process gas into the process chamber, maintaining the continuous plasma, and stopping the second process gas into the process chamber.
    Type: Application
    Filed: May 1, 2013
    Publication date: November 6, 2014
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130323410
    Abstract: One embodiment of the present invention is a method of fabricating an integrated circuit. The method includes providing a substrate having a metal and dielectric damascene metallization layer and depositing substantially on the metal a cap. After deposition of the cap, the substrate is cleaned with a solution comprising an amine to provide a pH for the cleaning solution of 7 to about 13. Another embodiment of the presented invention is a method of cleaning substrates. Still another embodiment of the present invention is a formulation for a cleaning solution.
    Type: Application
    Filed: March 22, 2013
    Publication date: December 5, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130171820
    Abstract: Presented are methods and systems for fabricating three-dimensional integrated circuits having large diameter through-hole vias. One embodiment of the present invention provides a method of processing a wafer having holes for through-hole vias. The method comprises plating a gapfill metal on the wafer. The method also comprises chemically or electrochemically deplating a portion of the overburden metal. The method further comprises using chemical mechanical planarization to planarize the gapfill metal and to remove the remaining overburden metal. Another embodiment of the present invention is an integrated system comprising a process chamber for containing the wafer, a plating component integrated with the process chamber, and a deplating component integrated with the process chamber. The plating component is configured to electrochemically plate a gapfill metal onto the wafer to a least partially fill the holes.
    Type: Application
    Filed: November 30, 2012
    Publication date: July 4, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130154037
    Abstract: A method for forming MRAM (magnetoresistive random access memory) devices is provided. A bottom electrode assembly is formed. A magnetic junction assembly is formed, comprising, depositing a magnetic junction assembly layer over the bottom electrode assembly, forming a patterned mask over the magnetic junction assembly layer, etching the magnetic junction assembly layer to form the magnetic junction assembly with gaps, gap filling the magnetic junction assembly, and planarizing the magnetic junction assembly. A top electrode assembly is formed.
    Type: Application
    Filed: December 14, 2012
    Publication date: June 20, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: LAM RESEARCH CORPORATION
  • Publication number: 20130146095
    Abstract: An injector cleaning apparatus with a concentric dual flow introducer and a flow-dispersing injector seat along with a method of cleaning an injector. The concentric dual flow introducer has concentric cleaning fluid flowpaths configured to communicate with a central passage and a plurality of peripheral passages of a gas injector. The input-side injector engaging interface of the concentric dual flow introducer and the flow-dispersing injector seat each have a compressible sealing portion having compressibility sufficient to yield under fluid cleaning surges attributable to initiation and termination of cleaning fluid flow through the injector cleaning apparatus along with resiliency sufficient to prevent abutment of the gas injector and a rigid facing portion of the input-side injector engaging interface and output-side injector engaging interface respectively.
    Type: Application
    Filed: October 12, 2012
    Publication date: June 13, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: LAM RESEARCH CORPORATION
  • Publication number: 20130128397
    Abstract: A system for decoupling arcing RF signals in a plasma chamber including a top electrode, an electrostatic chuck for supporting a semiconductor wafer, and a capacitor coupled between the at least one of a plurality of clamping electrodes in the surface of the electrostatic chuck and a baseplate of the electrostatic chuck, the capacitor having a capacitance of greater than about 19 nanofarads, the capacitor disposed within an interior volume of the electrostatic chuck. A method of decoupling arcing RF signals in a plasma chamber is also disclosed.
    Type: Application
    Filed: November 21, 2012
    Publication date: May 23, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130126518
    Abstract: A temperature control module for a showerhead electrode assembly for a semiconductor material plasma processing chamber includes a heater plate adapted to be secured to a top surface of a top electrode of the showerhead electrode assembly, and which supplies heat to the top electrode to control the temperature of the top electrode; a cooling plate adapted to be secured to and thermally isolated from a surface of a top plate of the showerhead electrode assembly, and to cool the heater plate and control heat conduction between the top electrode and heater plate; and at least one thermal choke adapted to control heat conduction between the heater plate and cooling plate.
    Type: Application
    Filed: November 7, 2012
    Publication date: May 23, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: Lam Research Corporation
  • Publication number: 20130102156
    Abstract: A component of a plasma processing chamber includes a three dimensional body having a highly dense plasma resistant coating thereon wherein a plasma exposed surface of the coating has a texture which inhibits particle generation from film buildup on the plasma exposed surface. The component can be a window of an inductively coupled plasma reactor wherein the window includes a textured yttria coating. The texture can be provided by contacting the plasma exposed surface with a polishing pad having a grit size effective to provide intersecting scratches with a depth of 1 to 2 microns.
    Type: Application
    Filed: September 24, 2012
    Publication date: April 25, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130095666
    Abstract: Plasma confinement rings are adapted to reach sufficiently high temperatures on plasma-exposed surfaces of the rings to substantially reduce polymer deposition on those surfaces. The plasma confinement rings include an RF lossy material effective to enhance heating at portions of the rings. A low-emissivity material can be provided on a portion of the plasma confinement ring assembly to enhance heating effects.
    Type: Application
    Filed: December 6, 2012
    Publication date: April 18, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: LAM RESEARCH CORPORATION
  • Publication number: 20130093443
    Abstract: Apparatus and methods for diagnosing status of a consumable part of a plasma reaction chamber, the consumable part including at least one conductive element embedded therein. The method includes the steps of: coupling the conductive element to a power supply so that a bias potential relative to the ground is applied to the conductive element; exposing the consumable part to plasma erosion until the conductive element draws a current from the plasma upon exposure of the conductive element to the plasma; measuring the current; and evaluating a degree of erosion of the consumable part due to the plasma based on the measured current.
    Type: Application
    Filed: December 6, 2012
    Publication date: April 18, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: Lam Research Corporation
  • Publication number: 20130087284
    Abstract: An apparatus for reducing very low frequency line width roughness (LWR) is provided. A plasma processing chamber is provided, comprising a chamber wall, a substrate support, a pressure regulator, at least one antenna, a gas inlet, and a gas outlet. A gas source comprises an etchant gas source and a H2 treatment gas source. A controller comprises at least one processor and computer readable media, comprising computer readable code for treating a patterned organic mask, comprising computer readable code for flowing a treatment gas comprising H2, wherein the treatment gas has a flow rate and H2 has a flow rate that is at least 50% of the flow rate of the treatment gas, computer readable code for forming a plasma, and computer readable code for stopping the flow of the treatment gas, and computer readable code for etching the etch layer through the treated patterned organic mask.
    Type: Application
    Filed: September 26, 2012
    Publication date: April 11, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: Lam Research Corporation
  • Publication number: 20130074769
    Abstract: A method for depositing a conformal film on a substrate in a plasma processing chamber of a plasma processing system, the substrate being disposed on a chuck, the chuck being coupled to a cooling apparatus, is disclosed. The method includes flowing a first gas mixture into the plasma processing chamber at a first pressure, wherein the first gas mixture includes at least carbon, and wherein the first gas mixture has a condensation temperature. The method also includes cooling the chuck below the condensation temperature using the cooling apparatus thereby allowing at least some of the first gas mixture to condense on a surface of the substrate. The method further includes venting the first gas mixture from the processing chamber; flowing a second gas mixture into the plasma processing chamber, the second gas mixture being different in composition from the first gas mixture; and striking a plasma to form the conformal film.
    Type: Application
    Filed: September 28, 2012
    Publication date: March 28, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: Lam Research Corporation
  • Publication number: 20130072024
    Abstract: An apparatus for control of a temperature of a substrate has a temperature-controlled base, a heater, a metal plate, a layer of dielectric material. The heater is thermally coupled to an underside of the metal plate while being electrically insulated from the metal plate. A first layer of adhesive material bonds the metal plate and the heater to the top surface of the temperature controlled base. This adhesive layer is mechanically flexible, and possesses physical properties designed to balance the thermal energy of the heaters and an external process to provide a desired temperature pattern on the surface of the apparatus. A second layer of adhesive material bonds the layer of dielectric material to a top surface of the metal plate. This second adhesive layer possesses physical properties designed to transfer the desired temperature pattern to the surface of the apparatus. The layer of dielectric material forms an electrostatic clamping mechanism and supports the substrate.
    Type: Application
    Filed: October 22, 2012
    Publication date: March 21, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130065396
    Abstract: A plasma processing apparatus includes a gas distribution member which supplies a process gas and radio frequency (RF) power to a showerhead electrode. The gas distribution member can include multiple gas passages which supply the same process gas or different process gases at the same or different flow rates to one or more plenums at the backside of the showerhead electrode. The gas distribution member provides a desired process gas distribution to be achieved across a semiconductor substrate processed in a gap between the showerhead electrode and a bottom electrode on which the substrate is supported.
    Type: Application
    Filed: November 7, 2012
    Publication date: March 14, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: LAM RESEARCH CORPORATION
  • Publication number: 20130062735
    Abstract: A method for forming a stair-step structure in a substrate is provided. An organic mask is formed over the substrate. A hardmask with a top layer and sidewall layer is formed over the organic mask. The sidewall layer of the hard mask is removed while leaving the top layer of the hardmask. The organic mask is trimmed The substrate is etched. The forming the hardmask, removing the sidewall layer, trimming the organic mask, and etching the substrate are repeated a plurality of times.
    Type: Application
    Filed: November 5, 2012
    Publication date: March 14, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130059447
    Abstract: Provided is a substrate dechucking system of a plasma processing chamber adapted to remove a substrate from an ESC with reduction in voltage potential spike during dechucking of the substrate.
    Type: Application
    Filed: October 31, 2012
    Publication date: March 7, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: LAM RESEARCH CORPORATION
  • Publication number: 20130056087
    Abstract: A universal fluid flow adaptor may be formed of a single structure having a plurality of vertical conduits to receive a gas flow, the plurality of vertical conduits extending through the single structure from the top surface to the bottom surface, a plurality of horizontal conduits to receive a gas flow, the plurality of horizontal conduits extending through the first side, the second side, the first end, and the second end at an interior of the single structure, wherein one or more of the plurality of vertical conduits converge with at least one of the plurality of horizontal conduits at the interior of the single structure, and wherein one or more of the plurality of horizontal conduits converge to form at least one cross-shaped conduit at the interior of the single structure.
    Type: Application
    Filed: October 29, 2012
    Publication date: March 7, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: Lam Research Corporation
  • Publication number: 20130056022
    Abstract: Bare aluminum baffles are adapted for resist stripping chambers and include an outer aluminum oxide layer, which can be a native aluminum oxide layer or a layer formed by chemically treating a new or used bare aluminum baffle to form a thin outer aluminum oxide layer.
    Type: Application
    Filed: October 31, 2012
    Publication date: March 7, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation
  • Publication number: 20130059071
    Abstract: Components of semiconductor processing apparatus are formed at least partially of erosion, corrosion and/or corrosion-erosion resistant ceramic materials. Exemplary ceramic materials can include at least one oxide, nitride, boride, carbide and/or fluoride of hafnium, strontium, lanthanum oxide and/or dysprosium. The ceramic materials can be applied as coatings over substrates to form composite components, or formed into monolithic bodies. The coatings can protect substrates from physical and/or chemical attack. The ceramic materials can be used to form plasma exposed components of semiconductor processing apparatus to provide extended service lives.
    Type: Application
    Filed: November 2, 2012
    Publication date: March 7, 2013
    Applicant: LAM RESEARCH CORPORATION
    Inventor: LAM RESEARCH CORPORATION
  • Publication number: 20130025785
    Abstract: An apparatus for forming spacers is provided. A plasma processing chamber is provided, comprising a chamber wall, a substrate support, a pressure regulator, an antenna, a bias electrode, a gas inlet, and a gas outlet. A gas source comprises an oxygen gas source and an anisotropic etch gas source. A controller comprises a processor and computer readable media. The computer readable media comprises computer readable code for placing a substrate of the plurality of substrates in a plasma etch chamber, computer readable code for providing a plasma oxidation treatment to form a silicon oxide coating over the spacer layer, computer readable code for sputtering silicon to form silicon oxide with the oxygen plasma, computer readable code for providing an anisotropic main etch, computer readable code for etching the spacer layer, computer readable code for removing the substrate from the plasma etch chamber after etching the spacer layer.
    Type: Application
    Filed: September 27, 2012
    Publication date: January 31, 2013
    Applicant: Lam Research Corporation
    Inventor: Lam Research Corporation