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1. 发明专利

JP2001237671A SURFACE ACOUSTIC WAVE DEVICE 失效
公开(公告)号：JP2001237671A
公开(公告)日：2001-08-31
申请号：JP2000044514
申请日：2000-02-22
申请人： MATSUSHITA ELECTRIC IND CO LTD , VICTOR COMPANY OF JAPAN
发明人： TAKAYAMA RYOICHI , KAWASAKI TETSUO , ONOZATO NORIO , HASEGAWA HIROHARU
IPC分类号： H03H9/25 , H03H9/145
摘要： PROBLEM TO BE SOLVED: To provide a miniaturized and lightened surface acoustic wave device. SOLUTION: At least one electrode provided on a langatite monocrystal substrate (LTG: La3Ta0.5Gas5.5O14) provided so as to become 9 deg.-16 deg., 146 deg.-160 deg. and 34 deg.-45 deg. in the Eulerian angle indication of a right hand system is equipped with a structure for making natural monophase unidirectionality appear together with the anisotropy of the langatite monocrystal substrate.

2. 发明专利

JP2000013176A OSCILLATOR FOR DIGITAL TEMPERATURE CONTROL OSCILLATOR 失效
公开(公告)号：JP2000013176A
公开(公告)日：2000-01-14
申请号：JP17932798
申请日：1998-06-25
申请人： VICTOR COMPANY OF JAPAN
发明人： ONOZATO NORIO
IPC分类号： C30B29/30 , H01L41/09 , H01L41/18 , H03H9/17
摘要： PROBLEM TO BE SOLVED: To make a frequency change rate-temperature characteristic to be satisfactory, to miniaturize and lighten an oscillator and to save power by constituting the oscillator of a langasite structure single crystal which is formed in a prescribed outer size and first and second electrodes having electrode sizes decided by a relative relation with the outer size of the single crystal and which are arranged on first and second principal faces. SOLUTION: A langasite structure single crystal as an oscillator for digital temperature control oscillator (D-TCXO) properly selects a cutting azimuth for oscillator by the constitution element. In the oscillator for D-TCXO, a first electrode 11 is provided on the surface of the structure single crystal formed in prescribed size/form and a second electrode at the back. The optimum electrode sizes of the first and second electrodes 11 and 12 are relatively decided against the outer size of the langasite structure single crystal as the oscillator. Lead wires 32 and 31 connected to terminals 21 and 22 are connected to the first and second electrodes 11 and 12.

3. 发明专利

JPH06150227A MAGNETIC HEAD 失效
公开(公告)号：JPH06150227A
公开(公告)日：1994-05-31
申请号：JP6120092
申请日：1992-02-17
申请人： VICTOR COMPANY OF JAPAN
发明人： OURA HIDEO , WATANABE YASUSHI , KAWANAKA HIROYUKI , YANAGI KUNIO , KAWAKUBO TOSHIHISA , ONOZATO NORIO
IPC分类号： G11B5/127 , G11B5/147 , G11B5/187 , G11B5/255 , H01F10/14 , H01F10/30
摘要： PURPOSE:To provide a high-density magnetic head having superior high-frequency magnetic recording/reproducing characteristics. CONSTITUTION:Amorphous metallic soft magnetic films 3, 3 of CoZrNb are laminated via a non-magnetic thin film 2, which is held between substrates 4, 4 of non-magnetic TiZn single crystal ferrite (TiO2-ZnO-FeO3), thereby, to form a pair of core half bodies 5, 5. More specifically, the soft magnetic films 3, 3 are formed with a 5-40nm super fine crystal metal. In this structure, it is possible to provide a magnetic head having superior sliding properties such as the uneven abrasion-resisting characteristic, sliding lubricity, etc., and superior electromagnetic converting properties without generating sliding noises.

4. 发明专利

JPH04187745A MAGNETIC ALLOY 失效
公开(公告)号：JPH04187745A
公开(公告)日：1992-07-06
申请号：JP31686290
申请日：1990-11-21
申请人： VICTOR COMPANY OF JAPAN
发明人： WATANABE YASUSHI , OURA HIDEO , ONOZATO NORIO
IPC分类号： C22C38/00 , C22C38/02 , H01F1/047 , H01F1/153 , H01F10/14
摘要： PURPOSE:To provide a magnetic alloy with high saturated magnetic flux density and low coercive force and to improve its thermal stability and corrosion resistance by specifying the content of Fe, N, Si and the elements to be added in a magnetic alloy by atomic ratio. CONSTITUTION:The compsn. of a magnetic alloy is constituted as a formula: FexNySizMv. In the formula, (x), (y), (z) and (v) satisfy the relationship of, by atomic %,

5. 发明专利

JPH05171368A MAGNETIC ALLOY 失效
公开(公告)号：JPH05171368A
公开(公告)日：1993-07-09
申请号：JP35247391
申请日：1991-12-13
申请人： VICTOR COMPANY OF JAPAN
发明人： WATANABE YASUSHI , KAWANAKA HIROYUKI , OURA HIDEO , ONOZATO NORIO
IPC分类号： C22C38/00 , G11B5/31 , H01F10/14 , H01F41/18
摘要： PURPOSE:To provide a magnetic alloy for a magnetic head having satisfactory magnetic transducing characteristics even after treatment at a high temp. CONSTITUTION:This magnetic alloy has a compsn. represented by the formula FeaNbSic (where a+b+c=100 atomic %, 5 =500 deg.C.

6. 发明专利

JPH03225648A MAGNETO-OPTICAL DISK DEVICE 失效
公开(公告)号：JPH03225648A
公开(公告)日：1991-10-04
申请号：JP2097490
申请日：1990-01-31
申请人： VICTOR COMPANY OF JAPAN
发明人： UENO ICHIRO , ONOZATO NORIO
IPC分类号： G11B11/10 , G11B11/105
摘要： PURPOSE:To record/reproduce/erase information at a high speed with high accuracy by adjacently or closely arranging the side surfaces of two magnets to each other, whose magnetization directions are vertical to the surface of a magneto-optical film along an anisotropic axis direction and are opposite to each other. CONSTITUTION:A bias magnet 4 is constituted of the prism-like magnets 5A and 5B whose magnetization directions are opposite to each other and an iron yoke 6. The magnets 5A and 5B are stuck to the lower surface of the yoke 6 in a state where their inner side surfaces are adjacent to each other to be stuck, and positioned above light spots 13a and 13b respectively. In the magneto- optical film 2b below the magnets 5A and 5B, bias magnetic field whose pitch is small is formed to be in the vertical direction to the surface of the film 2b and in the opposite direction to each other. Thus, the spots 13a, 13b and 13c are respectively used for erasion, recording and reproducing, thereby accomplishing the high-speed and high-accuracy recording/reproducing/erasion.

7. 发明专利

JP2000357931A MANUFACTURE OF COMPOSITE PIEZOELECTRIC OSCILLATOR 失效
公开(公告)号：JP2000357931A
公开(公告)日：2000-12-26
申请号：JP17011999
申请日：1999-06-16
申请人： VICTOR COMPANY OF JAPAN
发明人： ONOZATO NORIO
IPC分类号： H03H9/17 , H03H3/02
摘要： PROBLEM TO BE SOLVED: To improve working accuracy and to stably improved yield at the time of manufacturing a composite piezoelectric substrate oscillator by jointing a piezoelectric substrate Si, formed of a langasite or substitution-type langasite and a silicon substrate. SOLUTION: A process for forming a Cr film 11 on one face of a piezoelectric substrate 10 and a Cr film 21 on one face of a silicon substrate 20, mutually connecting the sides of the CR films 11 and 21 and heating and press-heating them, a process for forming a groove part 25 in the center of the silicon substrate 20 so that a Cr film 11' is exposed and exposing the Cr film 11' in the groove part 25, a process for removing the Cr film 11' exposed in the groove part 25 and exposing a piezoelectric substrate 10', a process for making the piezoelectric substrate 10 having a desired thickness by polishing the piezoelectric substrate 10 after a process and a process for forming electrodes on both faces of the piezoelectric substrate 10' having desired thickness are included.

8. 发明专利

JP2000275549A OPTICAL DEFLECTOR 失效
公开(公告)号：JP2000275549A
公开(公告)日：2000-10-06
申请号：JP7840099
申请日：1999-03-23
申请人： VICTOR COMPANY OF JAPAN
发明人： ONOZATO NORIO
IPC分类号： G02B26/08 , G02B26/10
摘要： PROBLEM TO BE SOLVED: To provide the optical deflector which is small-sized, has high precision, and operates at a high speed with a low voltage. SOLUTION: This optical deflector is equipped with at least a 1st reflector composed of a 1st striped piezoelectric unimorph element 11, 1st and 2nd support plates 12 and 13 where one end of the 1st piezoelectric unimorph element 11 is fixed, and 1st and 2nd electrodes 33 and 34 which are formed on 1st and 2nd main surfaces other than the positions of the 1st and 2nd support plates, a 2nd reflector composed of a 2nd striped piezoelectric unimorph element 21, 3rd and 4th support plates 22 and 23 where one end of the 2nd unimorph element 21 is fixed, and 3rd and 4th electrodes 35 and 36 which are formed on 3rd and 4th main surfaces other than the positions of the 3rd and 4th support plates 22 and 23, a 1st light source 31 which irradiates the 1st electrode with 1st rectangular pulse light, and a 2nd light source 32 which irradiates the 3rd electrode with 2nd rectangular pulse light turning on only for a specific period when the 1st rectangular pulse light is OFF.

9. 发明专利

JPH11250419A MAGNETORESISTIVE EFFECT HEAD 失效
公开(公告)号：JPH11250419A
公开(公告)日：1999-09-17
申请号：JP4986698
申请日：1998-03-02
申请人： VICTOR COMPANY OF JAPAN
发明人： ONOZATO NORIO
IPC分类号： G11B5/39
摘要： PROBLEM TO BE SOLVED: To obtain a magnetoresistive effect(MR) head reducing magnetic horizontal bias deviation from an SAL film to an MR film, suppressing disturbance in a bais flow and preventing the deterioration of a reproduced output signal by determining the position of a parmanent magnet film from the SAL film and the MR film. SOLUTION: In the MR head arranging an MR film 13 having a magnetoresistive effect only in the range of extended line in the side face direction of a parmanent magnetic film 15 without arranging the film 15 in a range of an extended line in the side face direction of a soft magnetic film 11, a non-magnetic metal-made ground film 14 of which electric resistance is lower than that of the MR film 13 is formed between a ceramic substrate 9 and the permanent magnet film 15 and a ground film 14 is also formed between center active area 31 and an end part passive area 32.

10. 发明专利

JPH0461308A MANUFACTURE OF MAGNETIC ALLOY FILM 失效
公开(公告)号：JPH0461308A
公开(公告)日：1992-02-27
申请号：JP17301490
申请日：1990-06-29
申请人： VICTOR COMPANY OF JAPAN
发明人： WATANABE YASUSHI , ONOZATO NORIO , OURA HIDEO
IPC分类号： C23C14/06 , C22C38/00 , G11B5/127 , H01F10/14 , H01F10/26
摘要： PURPOSE:To obtain good magnetic characteristics and adhesive force by forming a film on a substrate having a thermal expansion coefficient within the specified range on the occasion of forming a magnetic alloy film of the predetermined composition. CONSTITUTION:On the occasion of forming a magnetic alloy film indicated by a composition expression of FeaNbOcMd or FeeNfMg, the film is formed on a substrate having the thermal expansion coefficient within the range from 30X10 / deg.C to 130X10 / deg.C. However, M is an element of at least one or more kinds selected from metals or half-metals other than iron. Or, a magnetic alloy film indicated by the composition expression of FeaNbOcMd or FeeNfMg and having the relationship of atom% of a, b, c, d, e, f, g such as 1 deg .

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