公开(公告)号：US20110134566A1

公开(公告)日：2011-06-09

申请号：US12873430

申请日：2010-09-01

申请人： Yoichi SEKII ,  Hirokazu SHIRAI ,  Junya MIZUKAMI ,  Kazuyoshi SAITO ,  Hideki NISHIMURA ,  Atsushi YAWATA

发明人： Yoichi SEKII ,  Hirokazu SHIRAI ,  Junya MIZUKAMI ,  Kazuyoshi SAITO ,  Hideki NISHIMURA ,  Atsushi YAWATA

IPC分类号： G11B17/02

CPC分类号： G11B19/2027 ,  G11B19/2009 ,  H02K5/24 ,  H02K7/085 ,  H02K7/09

摘要： A stationary portion of a spindle motor includes a base member and a magnetic member. The magnetic member is arranged below a magnet and fixed to the base member. The magnetic member includes an annular plate portion arranged on an upper surface of the base member, and a projecting portion arranged to extend from the plate portion in an axial direction. At least a portion of the projecting portion is press fitted to a wall surface of the base member.

摘要翻译： 主轴电动机的固定部分包括基座部件和磁性部件。 磁性构件布置在磁体下方并固定到基座构件。 磁性构件包括布置在基底构件的上表面上的环形板部分和布置成沿轴向从板部延伸的突出部分。 突出部分的至少一部分压配合到基部构件的壁表面。

公开(公告)号：US20080307447A1

公开(公告)日：2008-12-11

申请号：US12129731

申请日：2008-05-30

申请人： Masato GOMYO ,  Yoichi SEKII ,  Kazuyoshi SAITO ,  Tadashi HASEGAWA ,  Tsuyoshi KATO

发明人： Masato GOMYO ,  Yoichi SEKII ,  Kazuyoshi SAITO ,  Tadashi HASEGAWA ,  Tsuyoshi KATO

IPC分类号： G11B17/03 ,  B32B38/04

CPC分类号： G11B17/0287 ,  Y10T156/1052

摘要： In a manufacturing method of a disk-driving spindle motor, a disc-support member includes a base portion and a positioning portion. The disc-support member is fixed to a hub member. The base portion is in contact with a lower surface of a disc. The positioning portion extends axially upwardly from the base portion, and is disposed around the center axis. The positioning portion is in contact with an inner circumferential face or an inner circumferential rim of the disc.The disc-support member is preferably made from a resin material having a cutting resistance smaller than that of a metal material from which the hub member is made.

摘要翻译： 在盘驱动主轴电机的制造方法中，盘支撑部件包括基部和定位部。 盘支撑构件固定到轮毂构件。 基部与盘的下表面接触。 定位部分从基部轴向向上延伸，并且围绕中心轴设置。 定位部与盘的内周面或内周缘接触。 盘支撑构件优选由具有小于由其制成轮毂构件的金属材料的切割阻力的树脂材料制成。

公开(公告)号：US20100148607A1

公开(公告)日：2010-06-17

申请号：US12629095

申请日：2009-12-02

申请人： Hirokazu SHIRAI ,  Kazuyoshi SAITO ,  Shigeki NAKATANI

发明人： Hirokazu SHIRAI ,  Kazuyoshi SAITO ,  Shigeki NAKATANI

IPC分类号： H02K5/167 ,  F16C33/04

CPC分类号： F16C17/02 ,  F16C17/026 ,  F16C17/08 ,  F16C2370/12

摘要： A bearing device includes a shaft, a sleeve and a thrust plate. The shaft includes a convex portion having a curved surface provided at one end thereof. The sleeve includes an inner circumferential surface opposed to an outer circumferential surface of the shaft. The thrust plate includes a concave portion having a curved surface and arranged to make contact with the convex portion of the shaft. The shaft is supported by the sleeve and the thrust plate such that it may rotate about the central axis with respect to the sleeve and the thrust plate. A curvature radius of the concave portion is greater than a curvature radius of the convex portion but equal to or smaller than about 2.0 times of the curvature radius of the convex portion.

摘要翻译： 轴承装置包括轴，套筒和止推板。 轴包括在其一端设置有弯曲表面的凸部。 套筒包括与轴的外周面相对的内周面。 止推板包括具有弯曲表面并被布置成与轴的凸部接触的凹部。 轴由套筒和推力板支撑，使得其可相对于套筒和推力板围绕中心轴线旋转。 凹部的曲率半径大于凸部的曲率半径，但为凸部的曲率半径的约2.0倍以下。

公开(公告)号：US20100001212A1

公开(公告)日：2010-01-07

申请号：US12490696

申请日：2009-06-24

申请人： Hideaki NISHIUCHI ,  Kazuyoshi SAITO ,  Masahiro TADOKORO ,  Hiroshi AKIYAMA ,  Kazuo HIRAMOTO

发明人： Hideaki NISHIUCHI ,  Kazuyoshi SAITO ,  Masahiro TADOKORO ,  Hiroshi AKIYAMA ,  Kazuo HIRAMOTO

IPC分类号： G21G5/00

CPC分类号： A61N5/10 ,  A61N2005/1087 ,  H05H7/10 ,  H05H13/04

摘要： A charged particle beam irradiation system includes measurement means 15 for measuring an accumulated beam charge amount Qm0, the ion beams orbiting in a synchrotron 13, immediately before an extraction control period in an operating cycle of the synchrotron 13; and beam extraction control means 20, 24, 28, 29 for controlling extraction of the ion beams so that extraction of a total of the ion beams is to be completed in time with expiration of an extraction control time Tex which is set in advance based on the measurement Qm0 of the accumulated beam charge amount. When an irradiation apparatus includes an RMW 32, an amplitude of an extraction radiofrequency voltage is controlled according to a ratio Qm0/Qs0 of the measurement to a reference value of the accumulated beam charge amount and a ratio Tb/Ta of an actual beam extraction time to the extraction control time Tex.

摘要翻译： 带电粒子束照射系统包括测量装置15，用于在同步加速器13的操作循环中紧接在提取控制周期之前测量积累的光束电荷量Qm0，即在同步加速器13中绕行的离子束; 以及用于控制离子束的提取的光束提取控制装置20,24,28,29，使得总共离子束的提取将在提前控制时间Tex的期满的时间内完成，该提取控制时间Tex基于 累积光束电荷量的测量Qm0。 当照射装置包括RMW 32时，根据测量的比率Qm0 / Qs0来控制提取射频电压的幅度与累积光束电荷量的参考值和实际光束提取时间的比率Tb / Ta 到提取控制时间Tex。

公开(公告)号：US20090289194A1

公开(公告)日：2009-11-26

申请号：US12427011

申请日：2009-04-21

申请人： Kazuyoshi SAITO

发明人： Kazuyoshi SAITO

IPC分类号： H01J3/14 ,  G21G5/00

CPC分类号： H05H7/12 ,  H05H7/04

摘要： A particle beam therapy system that is capable of irradiating a target area with an irradiation beam suitable for a particle beam therapy using a spot scanning method includes a synchrotron, a beam transport system and an irradiation device. The beam transport system is provided with a beam interrupting device adapted to block supply of a charged particle beam to the irradiation device. The beam interrupting device has a beam shielding magnet, an exciting power supply for the beam shielding magnet and a beam dump. The beam transport system has a bending magnet. The beam shielding magnet is provided on an inlet side of the bending magnet. The beam dump is provided on an outlet side of the bending magnet. A controller controls the exciting power supply to control the timing of an operation of the beam shielding magnet.

摘要翻译： 能够使用点扫描法对适用于粒子束治疗的照射束照射目标区域的粒子束治疗系统包括同步加速器，束输送系统和照射装置。 光束传输系统设置有光束中断装置，其适于阻止向照射装置提供带电粒子束。 光束中断装置具有光束屏蔽磁体，用于光束屏蔽磁体的激励电源和光束转储。 光束传输系统具有弯曲磁体。 梁屏蔽磁铁设置在弯曲磁体的入口侧。 梁架设在弯曲磁铁的出口侧。 控制器控制激励电源以控制光束屏蔽磁体的操作时序。

公开(公告)号：US20090114852A1

公开(公告)日：2009-05-07

申请号：US12252448

申请日：2008-10-16

申请人： Kazuyoshi SAITO ,  Hiroaki Sakurabata

发明人： Kazuyoshi SAITO ,  Hiroaki Sakurabata

IPC分类号： A61N5/00

CPC分类号： H05H7/04 ,  A61N5/1048 ,  A61N2005/1087 ,  H05H7/10

摘要： Disclosed herein is a particle beam therapy system which includes a synchrotron which accelerates beams of charged particles to a desired energy level and permits extraction of the beams of charged particles exceeding the stability limit, an irradiation device which irradiates an object with the beams of charged particles, a beam transport system which conducts the beams of charged particles extracted from the synchrotron to the irradiation device, and a control unit which works in such a way as to remove part of the beams of charged particles circling in the synchrotron and allow the rest of the circling beams of charged particles to be extracted from the synchrotron and conducted to the irradiation device. The particle beam therapy system produces irradiation beams suitable for high-precision particle beam therapy by the spot scanning method or the like.

摘要翻译： 本文公开了一种粒子束治疗系统，其包括同步加速器，该同步加速器将带电粒子束加速到期望的能量水平，并允许超过稳定极限的带电粒子束的提取;照射装置，其用带电粒子束照射物体 ，将从同步加速器提取的带电粒子束传导到照射装置的光束传输系统，以及控制单元，其以这样的方式工作，以便去除在同步加速器中盘旋的带电粒子的一部分，并允许其余部分 带电粒子的旋转束将从同步加速器提取并传导到照射装置。 粒子束治疗系统通过点扫描法等产生适合于高精度粒子束治疗的照射束。