Ion Beam Sputter Deposition Patents (Class 204/192.11)
  • Patent number: 7204921
    Abstract: A vacuum apparatus which can easily regenerate plasma is provided. A matching box used in the vacuum apparatus can vary the impedance thereof by varying the magnitudes of the inductance of variable inductance elements. Controlling the magnitude of direct current makes it possible to control the magnitudes of inductance of the variable inductance elements so that it is possible to carry out matching operation at high speed.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: April 17, 2007
    Assignee: ULVAC Inc.
    Inventors: Taro Yajima, Minoru Akaishi, Yoshikuni Horishita
  • Patent number: 7160475
    Abstract: The present disclosure relates to a method for generating a three-dimensional microstructure in an object. In one embodiment, a method for fabricating a microscopic three-dimensional structure is provided. A work piece is provided that includes a target area at which the three-dimensional structure is to be fabricated. The target area has a plurality of virtual dwell points. A shaped beam is provided to project onto the work piece. The intersection of the shaped beam with the work piece defines a beam incidence region that has a desired shape. The beam incidence region is sufficiently large to encompass multiple ones of the virtual dwell points. The shaped beam is moved across the work piece such that different ones of the virtual dwell points come into it and leave it as the beam moves across the work piece thereby providing different doses to different ones of the virtual dwell points as the different dwell points remain in the beam incidence region for different lengths of time during the beam scan.
    Type: Grant
    Filed: November 21, 2002
    Date of Patent: January 9, 2007
    Assignee: FEI Company
    Inventor: Lawrence Scipioni
  • Patent number: 7122100
    Abstract: A method for reducing the loss of particles from the surface of porous getter bodies is taught herein. The method consists in producing on the surface of the porous getter a thin layer of a metal or metal alloy with a deposition technique selected among the deposition of materials from arc generated plasma, ionic beam deposition and cathodic deposition. The deposition technique allows for granular or columnar surface of the covering material but still allowing access to the surface of the getter material, resulting in a reduced getter particle loss.
    Type: Grant
    Filed: June 18, 2004
    Date of Patent: October 17, 2006
    Assignee: SAES Getters S.p.A.
    Inventors: Andrea Conte, Marco Moraja
  • Patent number: 7062348
    Abstract: A method for producing single layer or multilayer films with high thickness uniformity or thickness gradients. The method utilizes a moving mask which blocks some of the flux from a sputter target or evaporation source before it deposits on a substrate. The velocity and position of the mask is computer controlled to precisely tailor the film thickness distribution. The method is applicable to any type of vapor deposition system, but is particularly useful for ion beam sputter deposition and evaporation deposition; and enables a high degree of uniformity for ion beam deposition, even for near-normal incidence of deposition species, which may be critical for producing low-defect multilayer coatings, such as required for masks for extreme ultraviolet lithography (EUVL). The mask can have a variety of shapes, from a simple solid paddle shape to a larger mask with a shaped hole through which the flux passes.
    Type: Grant
    Filed: July 13, 2000
    Date of Patent: June 13, 2006
    Assignee: The Extreme Ultaviolet Lithography LLC
    Inventor: James A. Folta
  • Patent number: 7048836
    Abstract: Thermal-insulating material provided on a metal substrate by means of an EB-PVD process includes a metal having a substantially magnetoplumbitic crystal structure and having a chemical composition according to general formula: Ln3+M2+1+xQ44+A111?2xO19. The thermally-insulated metal substrate may advantageously include an adhesive layer provided between the surface of the metal substrate and the thermal-insulating layer. The process for producing the thermal-insulated metal substrate includes applying the thermal-insulating material onto a surface of the metal substrate employing an EB-PVD process.
    Type: Grant
    Filed: May 9, 2002
    Date of Patent: May 23, 2006
    Assignee: Deutsches Zentrum fur Luft-und Raumfahrt e.V.
    Inventors: Bilge Saruhan-Brings, Uwe Schulz, Claus Jürgen Kroder
  • Patent number: 7037595
    Abstract: A thin layer of hafnium oxide or stacking of thin layers comprising hafnium oxide layers for producing surface treatments of optical components, or optical components, in which at least one layer of hafnium oxide is in amorphous form and has a density less than 8 gm/cm3. The layer is formed by depositing on a substrate without energy input to the substrate.
    Type: Grant
    Filed: November 15, 1999
    Date of Patent: May 2, 2006
    Assignee: Commissariat a l'Energie Atomique
    Inventors: Bernard Andre, Jean Dijon, Brigitte Rafin
  • Patent number: 7007373
    Abstract: A method for making an enhanced spin valve sensor with engineered overlayer for sensing magnetically recorded information on a data storage medium. The method includes forming a ferromagnetic free layer and a ferromagnetic pinned layer sandwiching an electrically conductive spacer layer. An overlayer is formed on the free layer and adapted to decrease free layer magnetic thickness without reducing physical thickness.
    Type: Grant
    Filed: November 18, 2002
    Date of Patent: March 7, 2006
    Assignee: Hitachi Global Storage Technologies Netherlands B.V.
    Inventors: Witold Kula, Alexander M. Zeltser
  • Patent number: 6998028
    Abstract: A method for producing a superconducting conductor is disclosed, including providing a substrate, depositing a buffer film having a biaxial texture to overlie the substrate by reactive sputtering, and depositing a superconducting layer to overlie the buffer film. Deposition of the buffer film is carried out by exposing the substrate along a deposition zone to a material plume generated by bombarding a target in the presence of a magnetic field, the deposition zone having a length of at least 1.0 m. The assist ions may be generated from a gridless ion source. The buffer film may have a biaxial texture having an out-of-plane crystallographic texture represented by a mosaic spread of not greater than 30°.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: February 14, 2006
    Assignee: Superpower, Inc.
    Inventor: Venkat Selvamanickam
  • Patent number: 6994775
    Abstract: The present invention is directed towards a process of depositing multilayer thin films, disk-shaped targets for deposition of multilayer thin films by a pulsed laser or pulsed electron beam deposition process, where the disk-shaped targets include at least two segments with differing compositions, and a multilayer thin film structure having alternating layers of a first composition and a second composition, a pair of the alternating layers defining a bi-layer wherein the thin film structure includes at least 20 bi-layers per micron of thin film such that an individual bi-layer has a thickness of less than about 100 nanometers.
    Type: Grant
    Filed: July 31, 2002
    Date of Patent: February 7, 2006
    Assignee: The Regents of the University of California
    Inventors: Terry G. Holesinger, Quanxi Jia
  • Patent number: 6982132
    Abstract: A rechargeable, stackable, thin film, solid-state lithium electrochemical cell, thin film lithium battery and method for making the same is disclosed. The cell and battery provide for a variety configurations, voltage and current capacities. An innovative low temperature ion beam assisted deposition method for fabricating thin film, solid-state anodes, cathodes and electrolytes is disclosed wherein a source of energetic ions and evaporants combine to form thin film cell components having preferred crystallinity, structure and orientation. The disclosed batteries are particularly useful as power sources for portable electronic devices and electric vehicle applications where high energy density, high reversible charge capacity, high discharge current and long battery lifetimes are required.
    Type: Grant
    Filed: August 14, 2000
    Date of Patent: January 3, 2006
    Assignee: Trustees of Tufts College
    Inventors: Ronald B. Goldner, Te-Yang Liu, Mark A. Goldner, Alexandra Gerouki, Terry E. Haas
  • Patent number: 6923891
    Abstract: A method for forming a conductive region on a first portion of a substrate, the method being constituted by exposing the first portion to a filtered beam of substantially fully ionised metallic ions under a pulsed, modulated electrical bias. The method uses FCVA (Filtered Cathodic Vacuum Arc) techniques to generate the filtered ion beam and permits the formation of a conformal metal coating, even in high aspect ratio visa and trenches. The method also permits the in-filling of vias and trenches to form conductive interconnects. Particular examples concern the deposition of copper ions. An adapted FCVA apparatus deposits metals on substrates. A control apparatus controls ion beams impacting upon substrates, the control apparatus being suitable for incorporation within existing filtered ion beam sources.
    Type: Grant
    Filed: January 10, 2003
    Date of Patent: August 2, 2005
    Assignee: Nanofilm Technologies International Pte Ltd.
    Inventors: Li Kang Cheah, Xu Shi, Lang Hu
  • Patent number: 6921463
    Abstract: An electrode for a lithium secondary cell capable of attaining excellent charge/discharge characteristics with high discharge capacity is obtained by properly controlling a component of a collector diffusing into active material layers formed on both sides of the collector. Embodiments include forming a first active material layer consisting of a plurality of layers on a first surface of a collector, and forming a second active material layer consisting of a plurality of layers on a second surface of the collector. At least one layer constituting the second active material layer is formed before forming all layers constituting the first active material layer, thereby preventing heat for forming at least one of the layers constituting the second active material layer from being applied to all layers constituting the first active material layer.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: July 26, 2005
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Katsunobu Sayama, Hisaki Tarui
  • Patent number: 6919288
    Abstract: A hard film for cutting tools which is composed of (Ti1?a?b?c?d, Ala, Crb, Sic, Bd) (C1?eNe) 0.5?a?0.8, 0.06?b, 0?c?0.1, 0?d?0.1, 0?c+d?0.1, a+b+c+d<1, 0.5?e?1 (where a, b, c, and d denote respectively the atomic ratios Al, Cr, Si, and B, and e denotes the atomic ratio of N.
    Type: Grant
    Filed: June 30, 2004
    Date of Patent: July 19, 2005
    Assignee: Kobe Steel, Ltd.
    Inventors: Kenji Yamamoto, Toshiki Satou, Yasuomi Morikawa, Koji Hanaguri, Kazuki Takahara
  • Patent number: 6905578
    Abstract: An apparatus and method for depositing plural layers of materials on a substrate within a single vacuum chamber allows high-throughput deposition of structures such as these for GMR and MRAM application. An indexing mechanism aligns a substrate with each of plural targets according to the sequence of the layers in the structure. Each target deposits material using a static physical-vapor deposition technique. A shutter can be interposed between a target and a substrate to block the deposition process for improved deposition control. The shutter can also preclean a target or the substrate and can also be used for mechanical chopping of the deposition process. In alternative embodiments, plural substrates may be aligned sequentially with plural targets to allow simultaneous deposition of plural structures within the single vacuum chamber.
    Type: Grant
    Filed: April 27, 1998
    Date of Patent: June 14, 2005
    Assignee: CVC Products, Inc.
    Inventors: Mehrdad M. Moslehi, Cecil J. Davis, Christopher J. Mann, Dwain R. Jakubik, Ajit P. Paranjpe
  • Patent number: 6878240
    Abstract: A sputtering system is provided with a substrate and a sputtering material layer that are located in a sputtering chamber. The sputtering material layer has a sputtering surface where atoms of the material are sputtered and the substrate has a forming surface with a site where atoms of the sputtered material are to be formed. The sputtering material layer has a sputtering center which is located at a center of the atoms to be sputtered and the aforementioned site has a periphery with a forming center at a center of the periphery. The sputtering center is offset from the forming center so that shadowing at outer extremities of photoresist masks near the periphery of the substrate is minimized.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: April 12, 2005
    Assignee: International Business Machines Corporation
    Inventors: Raymond Bus-Kwofie, James Mac Freitag, Lichiao Metin, Mustafa Pinarbasi, Patrick Rush Webb, Serhat Metin
  • Patent number: 6869508
    Abstract: A PVD process and apparatus (120) for depositing a coating (132) from multiple sources (110, 111) of different materials. The process and apparatus (120) are particulaity intended to deposit a beta-nickel aluminide coating (132) containing one or more elements whose vapor pressures are lower than NiAl. The PVD process and apparatus (120) entail feeding at least two materials (110, 111) into a coating chamber (122) and evaporating the materials (110, 111) at different rates from separate molten pools (114, 115) thereof. Articles (130) to be coated are suspended within the coating chamber (122), and transported with a support apparatus (118) relative to the two molten pools (114, 115) so as to deposit a coating (132) with a controlled composition that is a mixture of the first and second materials (110, 111).
    Type: Grant
    Filed: May 15, 2002
    Date of Patent: March 22, 2005
    Assignee: General Electric Company
    Inventors: Ramgopal Darolia, Reed Roeder Corderman, Joseph David Rigney, Richard Arthur Nardi, Jr., Michael James Weimer
  • Patent number: 6859998
    Abstract: An article is formed as a substrate having a projection extending outwardly therefrom. The article may be a magnetic recording head and the projection a write pole. The projection has a width in a thinnest dimension measured parallel to a substrate surface of no more than about 0.3 micrometers and a height measured perpendicular to the substrate of not less than about 5 times the width. The article is fabricated by forming an overlying structure on the substrate with an edge thereon, depositing a replication layer lying on the edge, depositing a filler onto the edge and the substrate, so that the filler, the replication layer, and the overlying structure in combination comprise a continuous layer on the substrate, selectively removing at least a portion of the replication layer from a free surface of the continuous layer inwardly toward the substrate, to form a defined cavity, and depositing a projection material into the defined cavity to form the projection.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: March 1, 2005
    Assignee: International Business Machines Corporation
    Inventors: James Kruger, Benjamin L. Wang, Patrick R. Webb, Howard G. Zolla
  • Patent number: 6858115
    Abstract: Sputtering particles are deposited immediately after activating a surface of a substrate composed of a carbon-containing material. Accordingly, a process for reforming a surface of a substrate, a substrate with a reformed surface, and an apparatus therefor are provided in which the depositability and adhesiveness of the sputtering particles are improved. A vacuum ultraviolet light is generated by a laser beam. A surface of a substrate composed of a carbon-containing material is exposed to the generated vacuum ultraviolet light. As a result, the surface of the substrate is activated. Simultaneously therewith, a sputtering particles-generating device generates sputtering particles, such as neutral atoms, ions and clusters. The resultant sputtering particles are deposited on the activated surface of the substrate. Since the sputtering particles are deposited immediately after the surface of the substrate is activated, they are adhered firmly on the surface of the substrate.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: February 22, 2005
    Assignee: Kabushiki Kaisha Toyota Chuo Kenkyusho
    Inventors: Hirozumi Azuma, Akihiro Takeuchi, Takaaki Matsuoka, Kazuyuki Tachi, Nobuo Kamiya
  • Patent number: 6843891
    Abstract: In one embodiment of this invention, the apparatus for sputter deposition within an evacuated volume comprises a compact gridless ion source into which an ionizable gas is introduced and from which ions leave with directed energies at or near the sputtering threshold and a sputter target near that source, biased negative relative to the surrounding vacuum enclosure, and located within the beam of ions leaving that source. Particles sputtered from the target are deposited on a deposition substrate spaced from both the ion source and the sputter target. An energetic beam of electrons can be generated by the incident ions striking the negatively biased sputter target and the deposition substrate is located either within or outside of this beam, depending on whether the net effect of bombardment by energetic electrons is beneficial or detrimental to that particular deposition process.
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: January 18, 2005
    Assignees: Kaufman & Robinson, Inc., Veeco Instruments Inc.
    Inventors: James R. Kahn, Harold R. Kaufman, Viacheslav V. Zhurin, David A. Baldwin, Todd L. Hylton
  • Patent number: 6835289
    Abstract: The particle implantation apparatus comprises a target, an ion beam source, a target scanning mechanism, a slit plate, a holder, and a holder scanning mechanism. The target is used for sputtering. The ion beam source applies an ion beam apparently like a sheet wider in the X direction onto the target so as to generate sputter particles. The target scanning mechanism mechanically scans the target in the Y direction crossing the X direction in reciprocating manner at a fixed angle with respect to the ion beam. The slit plate is used for passing sputter particles generated from the target and has a long slit extending in the X direction. The holder holds a substrate at the position where sputter particles having passed through the slit are incident. The holder scanning mechanism mechanically scans the holder in the Z direction crossing both the X and Y directions in reciprocating manner.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: December 28, 2004
    Assignee: Nissin Electric Co., Ltd.
    Inventor: Takatoshi Yamashita
  • Publication number: 20040258926
    Abstract: A method of making a coated article (e.g., window unit), and corresponding coated article are provided. A layer of or including diamond-like carbon (DLC) is formed on a glass substrate. Then, a protective layer is formed on the substrate over the DLC inclusive layer. During heat treatment (HT), the protective layer prevents the DLC inclusive layer from significantly burning off. Thereafter, the resulting coated glass substrate may be used as desired, it having been HT and including the protective DLC inclusive layer.
    Type: Application
    Filed: July 15, 2004
    Publication date: December 23, 2004
    Applicant: Guardian Industries Corp.
    Inventor: Vijayen S. Veerasamy
  • Publication number: 20040245090
    Abstract: The invention relates to a process for manufacturing multilayer systems for mirrors in the extreme ultraviolet and x-ray wavelength range, whereby at least one layer, in particular made of Mo, Si, Ru, C., B, Rb, Sr, Y, Cr, Sc or components thereof, is at least partly deposited with ion-beam assistance. In order to improve the surface properties of multilayer systems and to achieve the highest possible reflectivity the ion energy of the ion-beam is selected as an energy equivalent to or below the layer's sputtering threshold.
    Type: Application
    Filed: April 22, 2004
    Publication date: December 9, 2004
    Inventors: Andrey E. Yakshin, Frederik Bijkerk, T.P.C. Klaver, Eric Louis
  • Patent number: 6824654
    Abstract: A cube used to perform optical functions in a system, such as beam splitting or polarizing, or both, is manufactured by optically contacting a coated prism with an uncoated prism. The coated prism includes a dielectric stack having alternating layers of high and low index of refraction materials. To ensure secure optical contacting between the coated prism and uncoated prism, low interface reflection, and good throughput, a contacting layer is deposited on the dielectric stack. The contacting layer can be fused silica or SiO2, which has natural compatibility with the CaF2 materials that make up the uncoated prism and the coating layers.
    Type: Grant
    Filed: October 1, 2002
    Date of Patent: November 30, 2004
    Assignee: ASML Holding N.V.
    Inventors: Samad M. Edlou, David H. Peterson
  • Patent number: 6824601
    Abstract: A hard film for cutting tools which is composed of (Ti1−a−b−c−d, Ala, Crb, Sic, Bd)(C1−aNe) 0.5≦a≦0.8, 0.06≦b, 0≦c≦0.1, 0≦d≦0.1, 0≦c+d≦0.1, a+b+c+d<1, 0.5≦e≦1 (where a, b, c, and d denote respectively the atomic ratios Al, Cr, Si, and B, and e denotes the atomic ratio of N.
    Type: Grant
    Filed: December 26, 2001
    Date of Patent: November 30, 2004
    Assignee: Kobe Steel, Ltd.
    Inventors: Kenji Yamamoto, Toshiki Satou, Yasuomi Morikawa, Koji Hanaguri, Kazuki Takahara
  • Publication number: 20040231971
    Abstract: The invention relates to a photo mask blank, a photo mask, a method and an apparatus for manufacturing a photo mask blank in general, and for manufacturing a photo mask blank by particle beam sputtering in particular. It is an object of the invention to provide a method of manufacturing a photo mask blank of high quality and high stability that is suitable for the production of a photo mask having small structures. The invention proposes a method for manufacturing a photo mask blank, wherein a substrate and a target are provided in a vacuum chamber. The target is sputtered by irradiating with a first particle or ion beam and at least a first layer of a first material is deposited on the substrate by the sputtering of said target.
    Type: Application
    Filed: February 11, 2004
    Publication date: November 25, 2004
    Inventors: Hans Becker, Mario Schiffler, Frank Lenzen, Ute Buttgereit, Gunter Hess, Frank Sobel, Lutz Aschke, Markus Renno, Oliver Goetzenberger, Frank Schmidt
  • Patent number: 6821624
    Abstract: For machine parts, cutting tools and molds used under extremely high contact pressures, an amorphous carbon film is provided which has a sufficient adhesion to a substrate. The amorphous carbon covered member has an interlayer comprising at least one element selected from the group consisting of elements in the IVa, Va, VIa and IIIb groups and the IVb group except carbon in the periodic table, or a carbide of at least one element selected from the group, and an amorphous carbon film formed on the interlayer. The interlayer has a thickness of 0.5 nm or over and less than 10 nm.
    Type: Grant
    Filed: February 23, 2001
    Date of Patent: November 23, 2004
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Yoshiharu Utsumi, Kazuhiko Oda
  • Patent number: 6809066
    Abstract: Ion texturing methods and articles are disclosed.
    Type: Grant
    Filed: July 30, 2001
    Date of Patent: October 26, 2004
    Assignee: The Regents of the University of California
    Inventors: Ronald P. Reade, Paul H. Berdahl, Richard E. Russo, Leslie G. Fritzemeier
  • Publication number: 20040209125
    Abstract: A hard coating film of the present invention is formed on a substrate, and is a multilayer including at least the following layers (1) to (3). (1) A first layer on the substrate side comprising one or more metals selected from the group consisting of elements in Groups 4A, 5A, and 6A of the periodic table; (2) a B- and C-containing surface layer; and (3) a graded composition layer which is formed in a sandwiched manner between the first layer and the surface layer, and in which the content of B and C changes continuously or stepwise from the first layer side toward the surface layer side. Another hard coating film of the present invention has a cubic boron nitride film as its outermost surface layer; the cubic boron nitride film is stacked in a state of having been nucleated from a B- and N-containing layer; and the B- and N-containing layer has a ratio of N to B of 0.
    Type: Application
    Filed: December 24, 2003
    Publication date: October 21, 2004
    Applicant: Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
    Inventors: Kenji Yamamoto, Toshiki Sato
  • Patent number: 6793778
    Abstract: A method for fabricating a transducer with landing pads without edge fences is described. Preferably an adhesion layer and then the pad layer are deposited in voids in a photoresist. The thickness of the masking layer on the surface of the pad layer should be sufficient to protect pad layer during the subsequent ashing step, but the thickness of the masking material at the sidewalls on the pad layer fences should be thin enough so that the fences are not protected during ashing. After stripping the photoresist material, the structure is ashed preferably by an oxygen-containing plasma. The ashing process, with assistance from mechanical abrasion, removes the fence structures on the pad layer, since the thinner masking layer at the sidewalls provides less protection to the fence structures than is provided to the bulk of the pad layer where the masking layer is thicker.
    Type: Grant
    Filed: July 15, 2002
    Date of Patent: September 21, 2004
    Assignee: Hitachi Global Storage Technologies Netherlands N.V.
    Inventors: Detlef Gador, Cherngye Hwang, Eun Kyoung Row, Ning Shi
  • Patent number: 6783874
    Abstract: First electrode layers are formed on second antiferromagnetic layers, and in a step separate from the above, second electrode layers are formed above internal end surfaces of the second antiferromagnetic layers and the first electrode layers and parts of the upper surface of the multilayer film with an additional film provided therebetween. Since the first and the second electrode layers are formed separately, it is not necessary to perform mask alignment twice, and hence an overlap structure can be precisely formed in which the thickness of the second electrode layer at the left side is equivalent to that at the right side.
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: August 31, 2004
    Assignee: Alps Electric Co., Ltd.
    Inventors: Naoya Hasegawa, Eiji Umetsu, Naohiro Ishibashi, Masahiro Oshima
  • Patent number: 6783637
    Abstract: An ion beam deposition system for sputtering material layers comprising a vacuum chamber, a substrate positioned in the vacuum chamber, a first target holder capable of holding at least one target of a first material, said first target holder being positioned in the vacuum chamber, a second target holder capable of holding at least one target of a second material, said second target holder being positioned in the vacuum chamber, a first ion beam source for directing ions at the at least one target of the first material for depositing said first material onto the substrate, and a second ion beam source for directing ions at the at least one target of the second material for depositing said second material onto the substrate. Said deposition system includes a control system that allows materials to be deposited from the first and second target holder with negligible delay between the depositions.
    Type: Grant
    Filed: October 31, 2002
    Date of Patent: August 31, 2004
    Assignee: Freescale Semiconductor, Inc.
    Inventors: Jon M. Slaughter, Gerald Steiner
  • Patent number: 6783636
    Abstract: A polycrystalline thin film of MgO is formed on a substrate by an ion sputtering process wherein the thin film is obtained by irradiating a target with an ion beam to dislodge particles from the target and deposit the particles on the substrate. The film is preferably formed in an atmosphere at a reduced pressure of 3.0×10−2 Pa or lower while keeping the substrate temperature at 300° C. or lower.
    Type: Grant
    Filed: October 6, 2001
    Date of Patent: August 31, 2004
    Assignee: Fujikura Ltd.
    Inventors: Yasuhiro Iijima, Mariko Kimura, Takashi Saito
  • Patent number: 6783635
    Abstract: A method of making a nickel iron (NiFe) layer and a cobalt or cobalt based layer of a free layer structure forms the cobalt or cobalt based layer by oblique ion beam sputter deposition with the cobalt or cobalt based layer located between the nickel iron (NiFe) layer and a copper (Cu) spacer layer of a spin valve sensor for reducing hard axis coercivity HCH which increases sensitivity and magnetic stability of a magnetic read head. An alpha iron oxide (&agr;FeO) layer on a nickel oxide (NiO) layer of a pinning layer may also be obliquely ion beam sputtered for improving magnetic stability of the read head.
    Type: Grant
    Filed: December 9, 1999
    Date of Patent: August 31, 2004
    Assignee: International Business Machines Corporation
    Inventor: Mustafa Pinarbasi
  • Publication number: 20040159538
    Abstract: The invention relates to a photo mask blank, a photo mask, a method and an apparatus for manufacturing of a photo mask blank in general and for manufacturing of a photo mask blank by particle beam sputtering in particular.
    Type: Application
    Filed: February 13, 2003
    Publication date: August 19, 2004
    Inventors: Hans Becker, Mario Schiffler, Frank Lenzen, Ute Buttgereit, Gunter Hess
  • Patent number: 6764579
    Abstract: A substrate is coated with a solar management coating system including at least one infrared (IR) reflective layer. A diamond-like carbon (DLC) inclusive protective coating system (e.g., including at least one highly tetrahedral amorphous carbon (ta-C) inclusive layer having sp3 carbon—carbon bonds) is provided on the substrate over at least the IR reflective layer in order to make the coating system scratch resistant, abrasion resistant, and generally mechanically durable. The DLC inclusive protective coating system may be hydrophobic, hydrophillic, or neutral in different embodiments of the invention. Optionally, at least one fluoro-alkyl silane (FAS) compound inclusive layer may be provided on the substrate over at least one of the DLC inclusive layer(s) in hydrophobic embodiments in order to increase contact angle &thgr; of the coated article.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: July 20, 2004
    Assignee: Guardian Industries Corp.
    Inventors: Vijayen S. Veerasamy, Rudolph Hugo Petrmichl, Scott V. Thomsen
  • Patent number: 6761803
    Abstract: A method and an apparatus have been developed to fabricate large area uniform silicon cone arrays using different kinds of ion-beam sputtering methods. The apparatus includes silicon substrate as the silicon source, and metal foils are used as catalyst. Methods of surface modification of the as-synthesized silicon cones for field emission application have also been developed, including hydrofluoric acid etching, annealing and low work-function metal coating. Nano-structure modification based on silicon cones takes advantage of the fact that the cone tip consists of metal/metal siliside, which can be used as catalyst and template for nanowires growth. A method and an apparatus have been developed to grow silicon oxide/silicon nanowires on tips of the silicon cones.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: July 13, 2004
    Assignee: City University of Hong Kong
    Inventors: Shuit-Tong Lee, Igor Bello, Chun-Sing Lee, Quan Li, Naigui Shang
  • Patent number: 6755944
    Abstract: An ion beam deposition target source consisting of a removable, centrally located inner insert surrounded by an outer region. The insert can be removed and replaced when eroded, while the outer region of the target source not eroded by the ion beam remains in place attached to a backing plate. The inner insert and the outer region are joined to each other by an interface comprising an interlocking lip or grove structure located on opposing mating surfaces on the inner insert and outer region, thereby forming the deposition target source when these components are united. The deposition target source can be attached by a bonding layer to a backing plate which is installed into an ion beam deposition machine.
    Type: Grant
    Filed: November 2, 2001
    Date of Patent: June 29, 2004
    Assignee: Williams Advanced Materials, Inc.
    Inventors: Henry L. Grohman, Robert Acker, Matthew T. Wilson
  • Patent number: 6753538
    Abstract: A method and apparatus for electron beam processing using an electron beam activated gas to etch or deposit material. The invention is particularly suitable for repairing defects in lithography masks. By using an electron beam in place of an ion beam, the many problems associated with ion beam mask repair, such as staining and riverbedding, are eliminated. Endpoint detection is not critical because the electron beam and gas will not etch the substrate. In one embodiment, xenon difluoride gas is activated by the electron beam to etch a tungsten, tantalum nitride, or molybdenum silicide film on a transmission or reflection mask. To prevent spontaneous etching by the etchant gas in processed sites at which the passivation layer was removed, processed sites can be re-passivated before processing additional sites.
    Type: Grant
    Filed: July 27, 2002
    Date of Patent: June 22, 2004
    Assignee: FEI Company
    Inventors: Christian R. Musil, J. David Casey, Jr., Thomas J. Gannon, Clive Chandler, Xiadong Da
  • Publication number: 20040115537
    Abstract: An ion-beam deposition process for fabricating attenuating phase shift photomask blanks, capable of producing a phase shift of 180°, and which can provide tunable optical transmission at selected lithographic wavelengths<400 nm, comprising at least one layer of material of general formulae MzSiOxNy or MzAlOxNy, is described.
    Type: Application
    Filed: September 29, 2003
    Publication date: June 17, 2004
    Inventor: Peter Francis Carcia
  • Patent number: 6743369
    Abstract: A method of manufacturing an electrode for a secondary battery by depositing a thin film composed of active material on a current collector in which a surface-treated layer such as an antirust-treated layer is formed, including the steps of: removing at least part of the surface-treated layer by etching the surface of the current collector with an ion beam or plasma in order to improve the diffusion of the current collector material into the active material thin film; and depositing the thin film on the surface of the current collector subjected to the etching step.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: June 1, 2004
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Daizo Jito, Hisaki Tarui
  • Publication number: 20040095692
    Abstract: A GMR sensor is disclosed for sensing magnetically recorded information on a data storage medium. The sensor includes a ferromagnetic free layer and a ferromagnetic pinned layer sandwiching an electrically conductive spacer layer. An engineered overlayer is formed on the free layer to decrease free layer magnetic thickness without reducing physical thickness.
    Type: Application
    Filed: November 18, 2002
    Publication date: May 20, 2004
    Applicant: International Business Machines Corporation
    Inventors: Witold Kula, Alexandre M. Zeltser
  • Patent number: 6736942
    Abstract: Reactive foils and their uses are provided as localized heat sources useful, for example, in ignition, joining and propulsion. An improved reactive foil is preferably a freestanding multilayered foil structure made up of alternating layers selected from materials that will react with one another in an exothermic and self-propagating reaction. Upon reacting, this foil supplies highly localized heat energy that may be applied, for example, to joining layers, or directly to bulk materials that are to be joined. This foil heat-source allows rapid bonding to occur at room temperature in virtually any environment (e.g., air, vacuum, water, etc.). If a joining material is used, the foil reaction will supply enough heat to melt the joining materials, which upon cooling will form a strong bond, joining two or more bulk materials.
    Type: Grant
    Filed: May 1, 2001
    Date of Patent: May 18, 2004
    Assignee: Johns Hopkins University
    Inventors: Timothy P. Weihs, Todd Hufnagel, Omar Knio, Michael Reiss, David van Heerden, Howard Feldmesser
  • Publication number: 20040089533
    Abstract: A method to attach hydrophilic and/or ionogenic coatings to metallic surfaces robustly. Important applications for the invention extend to sensor types, various biomedical devices, and additional technologies requiring metal coatings with specified properties, such as sensors that employ the Quartz Crystal Microbalance (QCM) principle. This is a method to produce an adherent hydrogel against a metal surface by gelling a liquid mixture of components. The implementation of the invention for QCM ion sensors employs poly(allylamine) (PAH) hydrogels. The reaction of PAH with N-Acetylhomocysteine thiolactone (AHTL) (Fluda) in water under basic conditions produces thiol groups. This reaction removes ion exchange functionality and permits robust attachment of the hydrogel to the QCM's gold electrode.
    Type: Application
    Filed: August 6, 2003
    Publication date: May 13, 2004
    Inventors: David Alan Hoagland, Douglas Warren Howie
  • Publication number: 20040083969
    Abstract: [Problem] To provide a film forming apparatus being capable of forming films sequentially with two types of film forming mechanisms in the same chamber.
    Type: Application
    Filed: March 3, 2003
    Publication date: May 6, 2004
    Applicants: Seiko Epson Corporation, YOUTEC Co., Ltd.
    Inventors: Takeshi Kijima, Eiji Natori, Mitsuhiro Suzuki
  • Publication number: 20040084299
    Abstract: An ion beam deposition system for sputtering material layers comprising a vacuum chamber, a substrate positioned in the vacuum chamber, a first target holder capable of holding at least one target of a first material, said first target holder being positioned in the vacuum chamber, a second target holder capable of holding at least one target of a second material, said second target holder being positioned in the vacuum chamber, a first ion beam source for directing ions at the at least one target of the first material for depositing said first material onto the substrate, and a second ion beam source for directing ions at the at least one target of the second material for depositing said second material onto the substrate. Said deposition system includes a control system that allows materials to be deposited from the first and second target holder with negligible delay between the depositions.
    Type: Application
    Filed: October 31, 2002
    Publication date: May 6, 2004
    Inventors: Jon M. Slaughter, Gerald Steiner
  • Patent number: 6726812
    Abstract: An ion beam sputtering apparatus comprising: a first means for generating an ion beam and directing said ion beam in a prescribed direction, a second means for supporting a target at a position where said target is capable of exposing said ion beam irradiated in said prescribed direction and of being sputtered by said ion beam, a third means for supporting an electrically conductive substrate having a semiconductor layer on which a component sputtered from said target is to be deposited, and a fourth means for making said electrically conductive substrate have a non-earth potential. A method for forming a transparent and electrically conductive film on an electrically conductive substrate having a semiconductor layer, which is based on said ion beam sputtering apparatus. A process for producing a semiconductor device by forming a transparent and electrically conductive film on a semiconductor layer for said semiconductor device, which is based on said ion beam sputtering apparatus.
    Type: Grant
    Filed: March 4, 1998
    Date of Patent: April 27, 2004
    Assignee: Canon Kabushiki Kaisha
    Inventor: Noboru Toyama
  • Patent number: 6716322
    Abstract: A deposition system includes a substrate holder supporting a substrate defining at least one topographical feature. In addition, the system includes a deposition plume that is directed toward the substrate. A first profiler mask is positioned between the deposition plume and the substrate, and is shaped so as to reduce inboard/outboard asymmetry in a deposition profile associated with the feature.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: April 6, 2004
    Assignee: Veeco Instruments Inc.
    Inventors: Hari Hedge, Alan V. Hayes, Boris Druz, Viktor Kanarov, Adrian J. Devasahayam, Emmanuel Lakios
  • Publication number: 20040061116
    Abstract: A cube used to perform optical functions in a system, such as beam splitting or polarizing, or both, is manufactured by optically contacting a coated prism with an uncoated prism. The coated prism includes a dielectric stack having alternating layers of high and low index of refraction materials. To ensure secure optical contacting between the coated prism and uncoated prism, low interface reflection, and good throughput, a contacting layer is deposited on the dielectric stack. The contacting layer can be fused silica or SiO2, which has natural compatibility with the CaF2 materials that make up the uncoated prism and the coating layers.
    Type: Application
    Filed: October 1, 2002
    Publication date: April 1, 2004
    Applicant: ASML US, Inc.
    Inventors: Samad M. Edlou, David H. Peterson
  • Publication number: 20040055871
    Abstract: A method and means are provided for actively protecting a substrate from particulate contamination during thin film deposition. An intense beam of ions or ionized clusters is directed through the space immediately in front of the surface being coated, and the kinetic energy of the ions is used to deflect any approaching particle defects to the side, preventing them from reaching the surface being coated.
    Type: Application
    Filed: September 25, 2002
    Publication date: March 25, 2004
    Applicant: The Regents of the University of California
    Inventors: Christopher C. Walton, James A. Folta
  • Publication number: 20040058088
    Abstract: Disclosed is a processing method for forming a thick film having an improved adhesion to a surface-modified substrate and an apparatus thereof enabling to form a thick film having the improved adhesion to a polymeric surface by modifying the polymeric surface to have a hydrophilic property. The method includes the steps of preparing a substrate of a polymer material, surface-modifying the substrate, forming a seed layer on the substrate, and forming the thick film on the seed layer. The apparatus includes an unloading area supplying a substrate of a polymer material, a surface treating area modifying a surface of the substrate, a seed layer formation area forming a seed layer on the surface-modified substrate, a thick film formation area forming a thick film on the seed layer, and a loading area loading the substrate.
    Type: Application
    Filed: September 2, 2003
    Publication date: March 25, 2004
    Inventors: Young-Whoan Beag, Sung Han, Jun-Sik Cho, Cheol-Su Lee, Sung-Soo Koh, Jin-Woo Seok