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    • 2. 发明专利
    • DEVICE AND METHOD FOR GENERATING ION AND DEVICE AND METHOD FOR IMPLANTING ION
    • JP2000182527A
    • 2000-06-30
    • JP35337698
    • 1998-12-11
    • KOBE STEEL LTD
    • YUKIMURA KENKUMAKIRI TADASHI
    • H01J27/08C23C14/48H01J37/08H01J37/317
    • PROBLEM TO BE SOLVED: To generate different kinds of plasma in one process without changing the device structure by flowing the pulse current to a conductive ion source so as to generate the pulse discharge, and securely implanting the ion into a work surface layer. SOLUTION: A linear or a foil-like ion generating source 5 is fixed between electrodes in a discharge chamber 3 at a low pressure, and when the pulse current is flowed, temperature is raised so as to form a particle cloud with the steam in the periphery of the raw material. Resistance of the raw material is increased by the temperature rise, and the voltage between the electrodes is increased. When the voltage between the electrodes achieves the discharge starting voltage of the medium, discharge is generated in the medium, and shunting discharge for generating the plasma including the raw material ion, namely, the pulse discharge is generated. Pulse ion is evenly implanted from the periphery by applying the pulse high voltage to a work 9 dipped in the plasma. Consequently, ions can be implanted into the complicated shaped material, and plasma can be formed with one power supply. Furthermore, the high dose ion can be implanted in a short time.
    • 3. 发明专利
    • ION SOURCE DEVICE
    • JPH10302658A
    • 1998-11-13
    • JP10757097
    • 1997-04-24
    • KOBE STEEL LTD
    • MUNEMASA ATSUSHIKUMAKIRI TADASHIADACHI SHIGETO
    • H01J27/08H01J37/08
    • PROBLEM TO BE SOLVED: To provide an ion source device whose cost is lower than expenses required for insulation tube body replacement caused by insulation deterioration of the insulation tube body, hence operation cost, by preventing contamination of the insulation tube body of the ion source device. SOLUTION: This device is made up such that a first electrode 1 and a second electrode 2 are disposed in order along the extraction direction of ions in order to extract ions generated in an arc chamber, that an insulation tube body 4 is provided between respective peripheral edges of these electrodes 1, 2, and that the two electrodes 1, 2 are fixed thereto. In this event, a gap being provided inside the insulation tube body 4, an insulating inner tube body 9 being disposed therein, this insulating inner tube body 9 being fixed to the insulation tube body 4 via an insulation member 10, a gap d1 being provided between the insulating inner tube body 9 and the first electrode 1 while a gap d2 between the insulating inner tube body 9 and the second electrode 2, the gap d1 and the gap d2 are each adapted to keep such a distance as not to cause spatial electric breakdown.
    • 4. 发明专利
    • DYNAMIC MIXER
    • JPH062118A
    • 1994-01-11
    • JP15706592
    • 1992-06-16
    • KOBE STEEL LTD
    • KUMAKIRI TADASHIMUNEMASA ATSUSHIINUISHI NORIYUKI
    • C23C14/32C23C14/24C23C14/48
    • PURPOSE:To stably form a uniform coating film on a material to be treated of intricate shape by making the metal ion beam source and metal vaporization source in the dynamic mixer of an arc discharge system. CONSTITUTION:A material 27 to be treated impressed with a negative bias voltage by a power source 29 is fixed on a turntable 28 in a vacuum vessel 26 and rotated, an arc discharge is generated between an Al cathode 42 and a trigger electrode 43 in an ion beam source 30 by a power source 41, and hence the Al constituting the cathode 42 is vaporized, ionized, accelerated by an electrode 44 and injected into the material 27. Menwhile, an arc discharge is generated between a Ti target 36 and an anode 37 by a power source 35 in a metal vaporization source 31 with Ti, etc., as the targets, and the generated Ti vapor is injected into the negative-potential material 27 to form a Ti-Al coating film on the surface. When a ceramic coating film is formed, a reactive gas ion source of nitrogen, etc., is provided in the vessel to form an AlTiN ceramic coating film.
    • 5. 发明专利
    • VACUUM ARC VAPOR-DEPOSITION DEVICE
    • JPH0445262A
    • 1992-02-14
    • JP15311290
    • 1990-06-12
    • KOBE STEEL LTD
    • AKARI KOUICHIROUKUMAKIRI TADASHIMUNEMASA ATSUSHI
    • C23C14/24
    • PURPOSE:To form an excellent deposited film free of vaporized particles by the vacuum arc vapor-deposition device by leading the plasma produced from an arc spot on the circular surface of a cylindrical arc vaporization source onto a substrate arranged orthogonally to the center axis of the source. CONSTITUTION:A cylindrical arc vaporization source 2 with only its periphery used as the vaporization surface 3 is connected to the cathode side of an arc power source 9 through a cathode holder 8. A cylindrical anode 4 connected to the anode side of the power source 9 is concentrically arranged in front of the source 2, and the substrate 5 is set orthogonally to the center axis X of the source 2. Under such a constitution, a vacuum arc discharge is generated between both electrodes by the power source 9, hence an air-core coil 6 is excited, and a line M of magnetic force is formed almost in parallel with the vaporization surface 3. Consequently, most of the molten particles generated from the source 2 do not arrive at the substrate 5, and an excellent film is formed with good productivity by vacuum arc vaporization.
    • 7. 发明专利
    • FORMATION OF FILM USING COAXIAL MAGNETRON SPUTTERING DEVICE
    • JPH01255668A
    • 1989-10-12
    • JP8190388
    • 1988-04-01
    • KOBE STEEL LTD
    • MUNEMASA ATSUSHIKUMAKIRI TADASHIAKARI KOUICHIROU
    • C23C14/36C23C14/34
    • PURPOSE:To form a composite film in a relatively short time with no need to complicate and enlarge the structure of a device itself by composing a tubular target of annular split pieces having different compositions in the axial direction, and moving a group ot permanent magnets arranged at the axial center of the target in the axial direction. CONSTITUTION:The positions of a group 6 of permanent magnets are adjusted so that a magnetic field region H formed by the permanent magnets 6a, 6b, 6c,... as shown in figure (a) and vertical to an electric field E is placed at the central part of each annular split pieces 11a in the axial direction. In the succeeding sputtering, only the central part of each split piece 11a is sputtered, and the sputtered particles Q are deposited on a substrate 4 to form a coating film 15a. A coating film 15b having the same composition as the split piece 11b is formed as shown in figure (b) on the coating film 15a. Namely, the permanent magnet group 6 is moved an appropriate distance at an appropriate time when sputtering is stopped so that the magnetic field region H formed by each permanent magnet and vertical to the electric field E is placed at the central part of each split piece 11b in the axial direction, and the coating film 15b is formed on the coating film 15a.