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公开(公告)号:JPH05111263A
公开(公告)日:1993-04-30
申请号:JP26562691
申请日:1991-10-15
Applicant: MATSUSHITA ELECTRIC WORKS LTD
Inventor: OGIWARA ATSUSHI
IPC: H02M7/515
Abstract: PURPOSE:To provide a power switching circuit which prevents a short-circuiting accident due to an erroneous trigger of a static induction thyristor as a pair with a reverse current flowing diode by suppressing a time increasing ratio of a recovering current of the diode. CONSTITUTION:An inverter body has series circuits of static induction thyristors 11-16 and inductors 41-46 connected in a bridge. Reverse current flowing diodes 21-26 are connected in anti-parallel with the series circuits of the thyristors 11-16 and the inductors 41-46. A DC voltage source 3 is connected to a power source connecting terminal in the body. The thyristors 11-16 are controlled ON, OFF by a gate driving circuit.
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公开(公告)号:JPH0583929A
公开(公告)日:1993-04-02
申请号:JP24066691
申请日:1991-09-20
Applicant: MATSUSHITA ELECTRIC WORKS LTD
Inventor: OGIWARA ATSUSHI
IPC: H02M1/08 , H03K17/284
Abstract: PURPOSE:To shorten an ON time while also reducing power consumption. CONSTITUTION:Each collector of an N-P-N transistor 3 and a P-N-P transistor 4 is connected on the high potential side and low potential side of a DC power 8 respectively while bases are and also emitters are connected mutually, the bases are used as input terminals while the emitters are employed as output terminals, and the output terminals are connected to the gate of an electrostatic induction thyristor 9. The DC power 8 is voltage-divided by two series resistors 5, 6, a capacitor 7 is bonded in parallel with the resistor 6 on the low potential side while the high potential side of the node is connected to the cathode of the electrostatic induction thyristor 9, and a semiconductor switch 10 brought to an ON state only for the OFF period of the electrostatic induction thyristor 9 is bonded in series with the resistor 5 on the high potential side.
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公开(公告)号:JP2006146071A
公开(公告)日:2006-06-08
申请号:JP2004339265
申请日:2004-11-24
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: YOSHIHARA TAKAAKI , OGIWARA ATSUSHI , HARADA HIROSHI , KONO KIYOHIKO
IPC: G02B6/32
Abstract: PROBLEM TO BE SOLVED: To obtain a ball lens fixing structure that enables an optical fiber and a ball lens to be aligned more easily and more accurately.
SOLUTION: Two substrates 2, 3 are joined in a manner that the grooves (2b, 3b) provided in each joining face 2a, 3a of the two substrates 2, 3 are faced with each other to form a cavity 4. Between the oppositely facing wall faces 4d of the cavity 4, a spring 9 is installed in one wall face while, in the other wall face, a through hole 14 is formed in which a pin 15 is inserted projectingly to the cavity 4 side. A ball lens 6 is held between the spring 9 and the pin 15.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题:获得能够更容易且更准确地对准光学和球形透镜的球透镜固定结构。 解决方案:以两个基板2,3的各接合面2a,3a中设置的槽(2b,3b)彼此面对以形成空腔4的方式连接两个基板2,3。 空腔4的相对的壁面4d,弹簧9安装在一个壁面上,而在另一个壁面中形成有一个通孔14,其中销15突出地插入空腔4侧。 球形透镜6保持在弹簧9和销15之间。版权所有:(C)2006,JPO&NCIPI
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公开(公告)号:JP2006015439A
公开(公告)日:2006-01-19
申请号:JP2004194499
申请日:2004-06-30
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: YOSHIHARA TAKAAKI , OKA NAOMASA , OGIWARA ATSUSHI , USHIYAMA NAOKI , HARADA HIROSHI , KONO KIYOHIKO
IPC: B81C1/00
Abstract: PROBLEM TO BE SOLVED: To easily create a fine three-dimensional structure by suppressing the occurrence of a damaged part by side etching.
SOLUTION: This method of manufacturing a semiconductor structure has a patterning process for selectively eliminating a first substrate 11 from a first main surface of the first substrate 11 to form a plurality of groove parts different in depth, a substrate joining process for joining the first main surface to the main surface of a second substrate 12; and a back face etching process for uniformly eliminating the first substrate 11 from a second main surface 11b facing the first main surface, to leave only the projecting parts 14 between the grooves. Prior to the back face etching process, a level difference forming process is performed to form level differences 11c, 11d, 11e on the second main surface 11b by etching a shallow part shallower in the groove part depth than the other groove parts.
COPYRIGHT: (C)2006,JPO&NCIPIAbstract translation: 要解决的问题:通过抑制侧面蚀刻损坏的发生,容易地形成精细的三维结构。 解决方案:这种制造半导体结构的方法具有用于从第一基板11的第一主表面选择性地去除第一基板11以形成多个不同深度的槽部的图案化工艺,用于接合的基板接合工艺 第二基板12的主表面的第一主表面; 以及用于从面向第一主表面的第二主表面11b均匀地除去第一基板11以仅在凹槽之间仅留下突出部分14的背面蚀刻工艺。 在背面蚀刻工艺之前,通过蚀刻在凹槽部分深度比其他凹槽部分更浅的浅部分,执行电平差形成处理以形成第二主表面11b上的电平差11c,11d,11e。 版权所有(C)2006,JPO&NCIPI
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公开(公告)号:JP2005271187A
公开(公告)日:2005-10-06
申请号:JP2004092690
申请日:2004-03-26
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: OGIWARA ATSUSHI , HARADA HIROSHI , OKA NAOMASA , SUZUMURA MASAHIKO , NOGE HIROSHI , YOSHIHARA TAKAAKI , USHIYAMA NAOKI , KONO KIYOHIKO
Abstract: PROBLEM TO BE SOLVED: To provide a micro-device and an optical switch which realize a latch function by a compact and simple operation. SOLUTION: The micro-device comprises: a movable plate 3; a flexible supporting arm 2 to support the movable plate 3; actuators (4, 6 and 7) to drive the movable plate 3 in the first direction and the second direction opposite to the first direction; a first member 5 connected to the movable plate 3, a second member 10 which is fitted to the first member 5 in a condition displaced in the first direction to hold the movable plate 3; and a flexible member 9 to displace the second member 10 in the direction substantially orthogonal to the first direction. The first member 5 and the second member 10 have tapered structures facing each other in the first and second directions. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract translation: 要解决的问题:提供通过紧凑且简单的操作来实现闩锁功能的微型装置和光学开关。 解决方案:微型装置包括:可移动板3; 柔性支撑臂2,以支撑可动板3; 致动器(4,6和7),以沿着与第一方向相反的第一方向和第二方向驱动可动板3; 连接到可移动板3的第一构件5,以沿第一方向移位以保持可动板3的状态装配到第一构件5的第二构件10; 以及柔性构件9,以使第二构件10沿与第一方向大致正交的方向移位。 第一构件5和第二构件10具有在第一和第二方向上彼此面对的锥形结构。 版权所有(C)2006,JPO&NCIPI
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公开(公告)号:JP2005074561A
公开(公告)日:2005-03-24
申请号:JP2003307849
申请日:2003-08-29
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: OGIWARA ATSUSHI , OKA NAOMASA , HARADA HIROSHI , NOGE HIROSHI , FUKUSHIMA HIROSHI , HIRATA KATSUHIRO , MITSUTAKE YOSHIO , HASEGAWA YUYA , SUZUMURA MASAHIKO , KONO KIYOHIKO
Abstract: PROBLEM TO BE SOLVED: To provide an electrostatic micro-actuator having a latching function of holding a movable part in a displaced state with a relatively small area, and an optical switch. SOLUTION: This electrostatic micro-actuator has: a movable plate; a flexible supporting arm for supporting the movable plate and displacing it in a fixed direction; a first driving part for driving the movable plate in the fixed direction; a first fitting member connected to the movable plate; a second fitting member for holding the first fitting member in a state of being displaced in the fixed direction; a movable electrode disposed almost parallel with the fixed direction and connected to the second fitting member; and a fixed electrode disposed almost parallel with the movable electrode and driving the movable electrode by electrostatic attracting force generated between the movable electrode and the fixed electrode, to release the state held by the second fitting member. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract translation: 要解决的问题:提供一种静电微致动器,其具有将可移动部分保持在相对较小面积的位移状态的锁定功能,以及光学开关。
解决方案:该静电微致动器具有:可动板; 用于支撑可移动板并沿固定方向移位的柔性支撑臂; 用于沿固定方向驱动可动板的第一驱动部分; 与可移动板连接的第一配件; 第二装配构件,用于将所述第一装配构件保持在沿所述固定方向移位的状态; 可动电极,其设置成与所述固定方向大致平行并与所述第二配件构件连接; 以及与所述可动电极大致平行地配置的固定电极,并且通过在所述可动电极与所述固定电极之间产生的静电吸引力来驱动所述可动电极,以释放由所述第二装配构件保持的状态。 版权所有(C)2005,JPO&NCIPI
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公开(公告)号:JP2004242455A
公开(公告)日:2004-08-26
申请号:JP2003030505
申请日:2003-02-07
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: KIRIHARA MASAO , HASEGAWA YUYA , MURAI AKIHIKO , OKA NAOMASA , HIRATA KATSUHIRO , MIYAJIMA HISAKAZU , OGIWARA ATSUSHI , MITSUTAKE YOSHIO , KAWADA HIROSHI , TAKAKURA NOBUYUKI , YAMAMOTO MASAHIRO
Abstract: PROBLEM TO BE SOLVED: To provide an electrostatic drive type actuator which is adapted to an optical switch or particularly to a matrix optical switch and which has a small size/low power. SOLUTION: This electrostatic drive type actuator includes a movable member deformed by an electrostatic attraction force, a fixed member connected to the movable member, and a magnetic force attraction member for holding a shape in the state that the movable member is attracted. The fixed member has a connector connected to the movable member, and a fixed electrode part connected to the connector and having the form that a distance to the movable member gets longer toward the distal end of the movable member in a length direction. The movable member has a movable electrode part deformed by connecting to the connector, and a magnetic part mounted at the distal end of the movable electrode part at the opposite side of the connector and made of a soft magnetic plate. The magnetic force attraction member has a permanent magnet part for holding the magnetic part by a magnetic attraction force in the state that the movable electrode part is attracted to the fixed electrode part by the electromagnetic attraction force, and an electromagnet part for weakening the magnetic field of permanent magnet part. COPYRIGHT: (C)2004,JPO&NCIPI
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公开(公告)号:JP2003344787A
公开(公告)日:2003-12-03
申请号:JP2002154811
申请日:2002-05-28
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: MURAI AKIHIKO , OKA NAOMASA , MIYAJIMA HISAKAZU , OGIWARA ATSUSHI
Abstract: PROBLEM TO BE SOLVED: To provide an optical switch of which the optical axis is easily adjusted and which is easily manufactured. SOLUTION: The optical switch is composed of a plurality of an optical waveguides 4 of which the both end parts are formed as a light incident part 1 and a light emitting part 2 and a light reflecting film 3 is provided inside, a mirror 5 which is provided between adjacent optical waveguides 4 which are arranged in a way that the light emitting part 2 and the light incident part 1 are opposite to each other, and movable between a position at which the light emitted from the light emitting part 2 is reflected and a position at which the light is not reflected, and an end part waveguide 6, with a light reflection film 3 provided therein, which is arranged in a manner that the light emitting part 2 or the light incident part 1 is opposite to the light incident part 1 or the light emitting part 2 of the optical waveguide 4 which is located at the end part among the plurality of optical waveguides 4 via the movable mirror 5. COPYRIGHT: (C)2004,JPO
Abstract translation: 要解决的问题:提供光轴易于调节且易于制造的光开关。 解决方案:光开关由多个光波导4组成,其两端部形成为光入射部分1,发光部分2和光反射膜3设置在其内部,镜子 5设置在相邻的光波导4之间,其布置成使得发光部分2和光入射部分1彼此相对,并且可以在从发光部分2发射的光的位置之间移动 反射光和未被反射的位置,以及设置有光反射膜3的端部部分波导6,发光部2或光入射部1以与发光部2相同的方式配置 光入射部分1或光波导4的发光部分2,它们通过可移动反射镜5位于多个光波导4中的端部之间。(C)2004,JPO
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公开(公告)号:JP2003279869A
公开(公告)日:2003-10-02
申请号:JP2002079893
申请日:2002-03-22
Applicant: Matsushita Electric Works Ltd , 松下電工株式会社
Inventor: OKUTO TAKASHI , OKA NAOMASA , MIYAJIMA HISAKAZU , OGIWARA ATSUSHI
Abstract: PROBLEM TO BE SOLVED: To provide an electrostatic actuator capable of increasing the movement displacement amount of a moving body which is an optical control element.
SOLUTION: The electrostatic actuator is provided with a substrate 1 where a straight traveling path 12 is provided and a plurality of electrodes 11 are disposed so as to displace an electrostatic force generating position along the traveling path 12, and the moving body 2 having a planar optical control part 22 on a base body 21 displaced on the traveling path 12 corresponding to the generating position of electrostatic force. Light is passed through when the moving body 2 is at one position and the light is shielded in the optical control part 22 when it is at the other position.
COPYRIGHT: (C)2004,JPOAbstract translation: 解决的问题:提供能够增加作为光学控制元件的移动体的移动位移量的静电致动器。 < P>解决方案:静电致动器设置有基板1,其中设置有直线行进路径12,并且设置多个电极11,以便沿着行进路径12移动静电力产生位置,并且移动体2 在与静电力的产生位置对应的行进路径12上移动的基体21上具有平面光学控制部22。 当移动体2位于一个位置时,光在光控制部22中处于另一位置时被遮光。 版权所有(C)2004,JPO
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公开(公告)号:JP2002052499A
公开(公告)日:2002-02-19
申请号:JP2000242304
申请日:2000-08-10
Applicant: MATSUSHITA ELECTRIC WORKS LTD
Inventor: OGIWARA ATSUSHI , OKA NAOMASA
Abstract: PROBLEM TO BE SOLVED: To provide an actuator actuating in two directions. SOLUTION: Two girder structural bodies, which are formed by having first conductive semiconductor layers 1 and 7, second conductive impurity diffusion layers 2 and 8 formed on the surface of the conductive semiconductor layers 1 and 7 by diffusing impurities, insulating layers 3 and 9 formed on the first conductive semiconductor layers 1 and 7 and the second conductive impurity diffusion layers 2 and 8, metal layers 6 and 12 formed on the second conductive impurity diffusion layers 2 and 8 via the insulating layers 3 and 9 and having thermal expansion coefficient larger than that of the first conductive semiconductor layers, and two metal electrodes 4, 5 and 10, 11 contacting with the second conductive impurity diffusion layers 2 and 8 clamping the metal layers 6 and 12 are so joined that the faces of the first conductive semiconductor layers 1 and 7 without formed with the insulating layers 3 and 9 aye faced to each other via a heat insulation layer 13.
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