Patents Assigned to ASM Japan K.K.
  • Patent number: 9793148
    Abstract: A method for positioning wafers in dual wafer transport, includes: simultaneously moving first and second wafers placed on first and second end-effectors to positions over lift pins protruding from first and second susceptors, respectively; and correcting the positions of the first and second wafers without moving any of the lift pins relative to the respective susceptors or without moving the lift pins relative to each other, wherein when the first and second wafers are moved to the respective positions, the distance between the first wafer and tips of the lift pins of the first susceptor is substantially smaller than the distance between the second wafer and tips of the lift pins of the second susceptor.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: October 17, 2017
    Assignee: ASM Japan K.K.
    Inventors: Takayuki Yamagishi, Masaei Suwada, Hiroyuki Tanaka
  • Patent number: 9312155
    Abstract: A wafer-processing apparatus includes: eight or ten reactors with identical capacity for processing wafers on the same plane, constituting four or five discrete units, each unit having two reactors arranged side by side with their fronts aligned in a line; a wafer-handling chamber including two wafer-handling robot arms each having at least two end-effectors; a load lock chamber; and a sequencer for performing, using the two wafer-handling robot arms, steps of unloading/loading processed/unprocessed wafers from/to any one of the units, and steps of unloading/loading processed/unprocessed wafers from/to all the other respective units in sequence while the wafers are in the one of the units.
    Type: Grant
    Filed: June 6, 2011
    Date of Patent: April 12, 2016
    Assignee: ASM Japan K.K.
    Inventors: Yukihiro Mori, Takayuki Yamagishi
  • Patent number: 9171716
    Abstract: A method of forming a metal oxide hardmask on a template includes: providing a template constituted by a photoresist or amorphous carbon formed on a substrate; and depositing by atomic layer deposition (ALD) a metal oxide hardmask on the template constituted by a material having a formula SixM(1-x)Oy wherein M represents at least one metal element, x is less than one including zero, and y is approximately two or a stoichiometrically-determined number.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: October 27, 2015
    Assignee: ASM JAPAN K.K.
    Inventor: Hideaki Fukuda
  • Patent number: 8901016
    Abstract: A method of forming a metal oxide hardmask on a template includes: providing a template constituted by a photoresist or amorphous carbon formed on a substrate; and depositing by atomic layer deposition (ALD) a metal oxide hardmask on the template constituted by a material having a formula SixM(1-x)Oy wherein M represents at least one metal element, x is less than one including zero, and y is approximately two or a stoichiometrically-determined number.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: December 2, 2014
    Assignee: ASM Japan K.K.
    Inventors: Jeongseok Ha, Hideaki Fukuda, Shintaro Kaido
  • Patent number: 8845806
    Abstract: A shower plate is adapted to be attached to the showerhead and includes a front surface adapted to face the susceptor; and a rear surface opposite to the front surface. The shower plate has multiple apertures each extending from the rear surface to the front surface for passing gas therethrough in this direction, and the shower plate has at least one quadrant section defined by radii, wherein the one quadrant section has an opening ratio of a total volume of openings of all the apertures distributed in the section to a total volume of the one quadrant section, which opening ratio is substantially smaller than an opening ratio of another quadrant section of the shower plate.
    Type: Grant
    Filed: October 22, 2010
    Date of Patent: September 30, 2014
    Assignee: ASM Japan K.K.
    Inventors: Koei Aida, Tomoyuki Baba
  • Patent number: 8765233
    Abstract: A method of forming a low-carbon silicon-containing film by CVD on a substrate having trenches includes: introducing a silicon-containing compound having three or less hydrocarbon units in its molecule and having a boiling temperature of 35° C. to 220° C.; applying RF power to the gas; and depositing a film on a substrate having trenches wherein the substrate is controlled at a temperature such that components of the silicon-containing compound are at least partially liquidified on the substrate, thereby filling the trenches with the film.
    Type: Grant
    Filed: December 9, 2008
    Date of Patent: July 1, 2014
    Assignee: ASM Japan K.K.
    Inventors: Atsuki Fukazawa, Hisashi Tazawa, Shigeyuki Onizawa
  • Patent number: 8758514
    Abstract: A cluster type semiconductor processing apparatus includes a wafer handling chamber having a polygonal base including multiple sides for wafer processing chambers and two adjacent sides for wafer loading/unloading chambers as viewed in a direction of an axis of the wafer handling chamber. An angle A between two adjacent sides of the multiple sides for wafer processing chambers is greater than an angle B which is calculated by dividing 360° by the number of the total sides consisting of the multiple sides for wafer processing chambers and the two adjacent sides for wafer loading/unloading chambers.
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: June 24, 2014
    Assignee: ASM Japan K.K.
    Inventors: Masahiro Takizawa, Masaei Suwada, Takashi Hagino
  • Patent number: 8669185
    Abstract: A method of tailoring conformality of a film deposited on a patterned surface includes: (I) depositing a film by PEALD or pulsed PECVD on the patterned surface; (II) etching the film, wherein the etching is conducted in a pulse or pulses, wherein a ratio of an etching rate of the film on a top surface and that of the film on side walls of the patterns is controlled as a function of the etching pulse duration and the number of etching pulses to increase a conformality of the film; and (III) repeating (I) and (II) to satisfy a target film thickness.
    Type: Grant
    Filed: July 30, 2010
    Date of Patent: March 11, 2014
    Assignee: ASM Japan K.K.
    Inventors: Shigeyuki Onizawa, Woo-Jin Lee, Hideaki Fukuda, Kunitoshi Namba
  • Patent number: 8666551
    Abstract: A semiconductor wafer manufacturing apparatus is equipped with a diagnostic module for diagnosing integrity of a transfer robot. The diagnostic module is attached to one side of a semiconductor wafer transfer chamber provided with the transfer robot, which side is also used for the purpose of maintenance, for example. One or more sensors are installed in the diagnostic module so that when the transfer robot is inserted into the diagnostic module, the position or shape of each end effector of the transfer robot is detected and compared against a pre-registered normal condition, thereby diagnosing the integrity of the end effector of the transfer robot, while performing wafer processing.
    Type: Grant
    Filed: December 22, 2008
    Date of Patent: March 4, 2014
    Assignee: ASM Japan K.K.
    Inventors: Masahiro Takizawa, Teruhide Nishino
  • Patent number: 8647722
    Abstract: A film forming cycle based on pulse CVD or ALD is repeated multiple times to form a single layer of insulation film, while a reforming cycle is implemented in the aforementioned process, either once or multiple times per each film forming cycle, by treating the surface of formed film using a treating gas that has been activated by a plasma.
    Type: Grant
    Filed: November 13, 2009
    Date of Patent: February 11, 2014
    Assignee: ASM Japan K.K.
    Inventors: Akiko Kobayashi, Akira Shimizu, Kuo-wei Hong, Nobuyoshi Kobayashi, Atsuki Fukazawa
  • Patent number: 8592005
    Abstract: A method for forming a film by atomic layer deposition wherein vertical growth of a film is controlled, includes: (i) adsorbing a metal-containing precursor for film formation on a concave or convex surface pattern of a substrate; (ii) oxidizing the adsorbed precursor to form a metal oxide sub-layer; (iii) adsorbing a metal-free inhibitor on the metal oxide sub-layer more on a top/bottom portion than on side walls of the concave or convex surface pattern; and (iv) repeating steps (i) to (iii) to form a film constituted by multiple metal oxide sub-layers while controlling vertical growth of the film by step (iii). The adsorption of the inhibitor is antagonistic to next adsorption of the precursor on the metal oxide sub-layer.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: November 26, 2013
    Assignee: ASM Japan K.K.
    Inventor: Shintaro Ueda
  • Patent number: 8569184
    Abstract: A method for forming a single-phase multi-element film on a substrate in a reaction zone by PEALD repeating a single deposition cycle. The single deposition cycle includes: adsorbing a precursor on the substrate in the absence of reactant and plasma; decomposing the precursor adsorbed on the substrate by an inert gas plasma; and reacting the decomposed precursor with a reactant gas plasma in the presence of the inert gas plasma. The multi-element film contains silicon and at least two non-metal elements constituting a matrix of the film, the precursor contains silicon and optionally at least one non-metal element to be incorporated in the matrix, and the reactant gas contains at least one non-metal element to be incorporated in the matrix.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: October 29, 2013
    Assignee: ASM Japan K.K.
    Inventors: Takahiro Oka, Akira Shimizu
  • Patent number: 8563443
    Abstract: A method of forming a dielectric film having at least Si—N, Si—C, or Si—B bonds on a semiconductor substrate by atomic layer deposition (ALD), includes: supplying a precursor in a pulse to adsorb the precursor on a surface of a substrate; supplying a reactant gas in a pulse over the surface without overlapping the supply of the precursor; reacting the precursor and the reactant gas on the surface; and repeating the above steps to form a dielectric film having at least Si—N, Si—C, or Si—B bonds on the substrate. The precursor has at least one Si—C or Si—N bond, at least one hydrocarbon, and at least two halogens attached to silicon in its molecule.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: October 22, 2013
    Assignee: ASM Japan K.K.
    Inventor: Atsuki Fukazawa
  • Patent number: 8551892
    Abstract: A method for reducing a dielectric constant of a film includes (i) forming a dielectric film on a substrate; (ii) treating a surface of the film without film formation, and (III) curing the film. Step (i) includes providing a dielectric film containing a porous matrix and a porogen on a substrate, step (ii) includes, prior to or subsequent to step (iii), treating the dielectric film with charged species of hydrogen generated by capacitively-coupled plasma without film deposition to reduce a dielectric constant of the dielectric film, and step (iii) includes UV-curing the dielectric film to remove at least partially the porogen from the film.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: October 8, 2013
    Assignee: ASM Japan K.K.
    Inventor: Akinori Nakano
  • Patent number: 8470187
    Abstract: A method of depositing a film with a target conformality on a patterned substrate, includes: depositing a first film on a convex pattern and a bottom surface; and depositing a second film on the first film, thereby forming an integrated film having a target conformality, wherein one of the first and second films is a conformal film which is non-flowable when being deposited and has a conformality of about 80% to about 100%, and the other of the first and second films is a flowable film which is flowable when being deposited.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: June 25, 2013
    Assignee: ASM Japan K.K.
    Inventor: Jeongseok Ha
  • Patent number: 8466411
    Abstract: A method for managing UV irradiation for treating substrates in the course of treating multiple substrates consecutively with UV light, includes: exposing a first UV sensor to the UV light at first intervals to measure illumination intensity of the UV light so as to adjust the illumination intensity to a desired level based on the measured illumination intensity; and exposing a second UV sensor to the UV light at second intervals to measure illumination intensity of the UV light so as to calibrate the first UV sensor by equalizing the illumination intensity measured by the first UV sensor substantially with the illumination intensity measured by the second UV sensor, wherein each second interval is longer than each first interval.
    Type: Grant
    Filed: March 3, 2011
    Date of Patent: June 18, 2013
    Assignee: ASM Japan K.K.
    Inventor: Hirofumi Arai
  • Patent number: 8465811
    Abstract: A thin film is formed by alternating multiple times, respectively, a process of adsorbing a precursor onto a substrate and a process of treating the adsorbed surface using a reactant gas and a plasma, wherein the reactant gas is supplied substantially uniformly over the substrate, and the plasma is pulse-time-modulated and applied in the process of supplying the reactant gas.
    Type: Grant
    Filed: January 28, 2011
    Date of Patent: June 18, 2013
    Assignee: ASM Japan K.K.
    Inventor: Shintaro Ueda
  • Patent number: 8415259
    Abstract: A method of forming a film on a semiconductor substrate by plasma enhanced atomic layer deposition (PEALD), includes: introducing a nitrogen- and hydrogen-containing reactive gas and a rare gas into a reaction space inside which the semiconductor substrate is placed; introducing a precursor in pulses of less than 1.0-second duration into the reaction space wherein the reactive gas and the rare gas are introduced; exiting a plasma in pulses of less than 1.0-second duration immediately after the precursor is shut off; and maintaining the reactive gas and the rare gas as a purge of less than 2.0-second duration.
    Type: Grant
    Filed: March 2, 2012
    Date of Patent: April 9, 2013
    Assignee: ASM Japan K.K.
    Inventors: Woo Jin Lee, Kuo-Wei Hong, Akira Shimizu, Daekyun Jeong
  • Publication number: 20130084714
    Abstract: A method for forming a single-phase multi-element film on a substrate in a reaction zone by PEALD repeating a single deposition cycle. The single deposition cycle includes: adsorbing a precursor on the substrate in the absence of reactant and plasma; decomposing the precursor adsorbed on the substrate by an inert gas plasma; and reacting the decomposed precursor with a reactant gas plasma in the presence of the inert gas plasma. The multi-element film contains silicon and at least two non-metal elements constituting a matrix of the film, the precursor contains silicon and optionally at least one non-metal element to be incorporated in the matrix, and the reactant gas contains at least one non-metal element to be incorporated in the matrix.
    Type: Application
    Filed: September 30, 2011
    Publication date: April 4, 2013
    Applicant: ASM JAPAN K.K.
    Inventors: Takahiro Oka, Akira Shimizu
  • Publication number: 20130068970
    Abstract: A UV irradiation apparatus for treating substrates includes: at least two process stations each provided with a UV transmissive window; at least one electric UV lamp using two electrodes in a gas tube extending over the UV transmissive windows of the process stations aligned along the gas tube and shared by the process stations; a UV transmissive zone disposed between the UV lamp and the process stations and provided with reflectors; and shutters for blocking UV light from being transmitted to the respective process stations independently.
    Type: Application
    Filed: September 21, 2011
    Publication date: March 21, 2013
    Applicant: ASM JAPAN K.K.
    Inventor: Kiyohiro Matsushita