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1. 发明授权

US06285705B1 Solid-state laser oscillator and machining apparatus using the same 失效
标题翻译：固态激光振荡器及使用其的加工装置
公开(公告)号：US06285705B1
公开(公告)日：2001-09-04
申请号：US09313355
申请日：1999-05-18
申请人： Kuniaki Iwashiro , Kenji Kumamoto
发明人： Kuniaki Iwashiro , Kenji Kumamoto
IPC分类号： H01S308
CPC分类号： H01S3/08 , H01S3/08072
摘要： In a resonating-type solid-state laser oscillator including a birefringent solid-state element containing a laser active medium and providing a plurality of thermal lenses during excitation and reflecting mirrors arranged oppositely to each other on both sides of the solid-state element so that their optical axes are coincident to each other, a prescribed relationship is given among the refractive index and length of the solid-state element, the radii of curvature of the reflection mirrors, the distances between the reflecting mirrors and the solid-state element and the difference between plural thermal lenses by refringence of the solid-state element so that oscillation areas due to the plurality of thermal lenses are separated from each other.
摘要翻译：在包括激光活性介质的双折射固体元件和在激发期间提供多个热透镜并且在固态元件两侧彼此相对布置的反射镜的谐振型固态激光振荡器中，它们的光轴彼此重合，在固态元件的折射率和长度，反射镜的曲率半径，反射镜和固态元件之间的距离以及通过固体元件的折射使得多个热透镜之间的差异使得由于多个热透镜引起的振荡区域彼此分离。

2. 发明授权

US5815626A Optical transmission device, solid state laser device, and laser beam processing device 失效
标题翻译：光传输装置，固态激光装置和激光束处理装置
公开(公告)号：US5815626A
公开(公告)日：1998-09-29
申请号：US714304
申请日：1996-09-18
申请人： Kazuki Kuba , Akira Ishimori , Koji Yasui , Kenji Kumamoto , Kuniaki Iwashiro
发明人： Kazuki Kuba , Akira Ishimori , Koji Yasui , Kenji Kumamoto , Kuniaki Iwashiro
IPC分类号： A61B18/22 , B23K26/06 , G02B6/42 , G02B6/02
CPC分类号： B23K26/032 , B23K26/06 , B23K26/064 , B23K26/0643 , B23K26/0648 , B23K26/0665 , G02B6/4206 , G02B6/4296 , A61B18/22
摘要： An optical transmission device has an graded index optical fiber having a diameter .phi..sub.s of a core of the optical fiber, a refraction index n.sub.0 at a center of the core, and a difference .DELTA.n between refraction indexes of the center of the core and a peripheral section of the core; and an optical fiber incident system having a smallest focussed point at or near an incident side plane in said optical fiber through which the laser beam being introduced, and a diameter .phi..sub.in Of the laser beam at said incident side plane of said optical fiber having a following relationship: 0.5.phi..sub.s .ltoreq..phi..sub.in .ltoreq.2.phi..sub.s, and .phi..sub.s =(.phi..sub.c .phi..sub.0 .theta.(2n.sub.0 .DELTA.n).sup.-1/2).sup.1/2, where a diameter and an opening angle of the laser beam waist are .phi..sub.0 and 2.theta.. A solid state laser device has an graded index optical fiber in which the diameter .phi..sub.in of the laser beam at the optical fiber side having the following relationship: 0.5.phi..sub.s .ltoreq..phi..sub.in .ltoreq.2.phi..sub.s, and .phi..sub.s =(.phi..sub.c .phi..sub.0 .theta.(2n.sub.0 .DELTA.n).sup.-1/2).sup.1/2, where a diameter of the laser beam waist at an output level is .phi..sub.0, and an opening angle is 2.theta. (total angle). and a laser processing device incorporating these optical transmission device and the solid state laser device.
摘要翻译：光传输装置具有光纤中心的折射率n0和芯的中心的折射率之差ΔTA与光纤中心的折射率n0之间的折射率光纤，核心周边部分; 以及在所述光纤中的入射侧平面处或附近具有最小聚焦点的光纤入射系统，激光束通过该入射侧平面被引入，并且在所述光纤的所述入射侧平面处的激光束的直径φ具有以下关系：

3. 发明授权

US5151330A Magnetic recording medium comprising magnetic particles and a polyurethane resin binder having a polycaprolactone structural unit 失效
标题翻译：包含磁性颗粒的磁记录介质和具有聚碳酸酯结构单元的聚氨酯树脂粘合剂
公开(公告)号：US5151330A
公开(公告)日：1992-09-29
申请号：US614009
申请日：1990-11-13
申请人： Kenji Kumamoto , Kunitsuna Sasaki
发明人： Kenji Kumamoto , Kunitsuna Sasaki
IPC分类号： C09D5/23 , C09D127/04 , C09D127/06 , C09D175/00 , C09D175/04 , G11B5/702
CPC分类号： G11B5/7022 , Y10S428/90 , Y10T428/31609
摘要： There is disclosed a magnetic recording medium having the excellent electromagnetic conversion properties and an improved Young's modulus of a magnetic layer, wherein the magnetic layer contains a binder comprising a polyurethane resin having a polycaprolactone structural unit and a vinyl chloride resin having --SO.sub.3 M, --COOM, --OSO.sub.3 M, ##STR1## wherein M represents hydrogen, lithium, sodium or potassium.

4. 发明授权

US09463529B2 Laser machining apparatus that monitors material thickness and type by reflected light intensity 有权
标题翻译：激光加工设备，通过反射光强度监测材料厚度和类型
公开(公告)号：US09463529B2
公开(公告)日：2016-10-11
申请号：US13877762
申请日：2012-05-11
申请人： Naoki Miyamoto , Kenji Kumamoto , Satoshi Nishida , Toshiki Koshimae , Hiroshi Kino , Hiroaki Kurokawa
发明人： Naoki Miyamoto , Kenji Kumamoto , Satoshi Nishida , Toshiki Koshimae , Hiroshi Kino , Hiroaki Kurokawa
IPC分类号： B23K26/06 , B23K26/38 , B23K26/03
CPC分类号： B23K26/0665 , B23K26/03 , B23K26/032 , B23K26/38
摘要： The laser machining apparatus includes a transmission fiber that transmits laser light emitted from a laser oscillator through the fiber, a machining head that emits the laser light, which is sent from the transmission fiber, vertically to a main surface of a machining object and sends reflected light, which is reflected coaxially with the laser light by the machining object, to the transmission fiber, a reflected light monitoring unit that detects a reflected light intensity of the reflected light sent from the transmission fiber, and a control device that controls the laser oscillator and the machining head, in which the control device includes a determining unit that, at a time when laser machining is started, determines whether the machining object corresponds to a machining condition or not in laser machining on the basis of the reflected light intensity.
摘要翻译：激光加工装置包括：透射光纤，其通过光纤传输从激光振荡器发射的激光;发射激光的加工头，其从传输光纤垂直发送到加工对象的主表面，并将反射的通过加工对象与激光同轴地反射的光被传送到传输光纤，反射光监视单元，其检测从传输光纤发送的反射光的反射光强度;以及控制装置，其控制激光振荡器以及加工头，其中所述控制装置包括确定单元，所述确定单元在激光加工开始时基于所述反射光强度来确定所述加工对象是否对应于激光加工中的加工条件。

5. 发明授权

US06347102B1 Wavelength conversion laser and a machining device using the same 有权
标题翻译：波长转换激光器和使用其的加工装置
公开(公告)号：US06347102B1
公开(公告)日：2002-02-12
申请号：US09441554
申请日：1999-11-17
申请人： Susumu Konno , Koji Yasui , Kenji Kumamoto , Kuniaki Iwashiro
发明人： Susumu Konno , Koji Yasui , Kenji Kumamoto , Kuniaki Iwashiro
IPC分类号： H01S310
CPC分类号： H01S3/109 , B23K26/06 , B23K26/064 , B23K26/0643 , G02F1/3534 , G02F2001/354 , G02F2001/3546 , H01S3/11
摘要： A wavelength conversion laser for generating sum frequency laser beam comprising a laser resonator, a solid-state laser active medium, a second harmonic generation wavelength conversion crystal and a sum frequency generation wavelength conversion crystal, wherein the length of the second harmonic generation wavelength conversion crystal along the optical axis is set to be shorter than that of the sum frequency generation wavelength conversion crystal.
摘要翻译：一种用于产生包括激光谐振器，固态激光器介质，二次谐波发生波长转换晶体和和频产生波长转换晶体的和频激光束的波长转换激光器，其中二次谐波产生波长转换晶体的长度沿着光轴设定为比和频产生波长转换晶体短。

6. 发明授权

US5392309A Laser apparatus includes an unstable resonator and a shading means 失效
标题翻译：激光装置包括不稳定谐振器和遮蔽装置
公开(公告)号：US5392309A
公开(公告)日：1995-02-21
申请号：US120754
申请日：1993-09-15
申请人： Junichi Nishimae , Kenji Yoshizawa , Kenji Kumamoto
发明人： Junichi Nishimae , Kenji Yoshizawa , Kenji Kumamoto
IPC分类号： H01S3/08
CPC分类号： H01S3/08081
摘要： A laser apparatus includes an unstable resonator having a total reflection mirror and a take-out mirror, and further includes shading means for shading a disturbed phase portion of a laser beam so as to derive exclusively a light having a uniform phase by shading the disturbed phase portion of the beam emitted from the resonator or the beam in the resonator.
摘要翻译：激光装置包括具有全反射镜和取出镜的不稳定谐振器，并且还包括用于遮蔽激光束的干涉相位部分的遮蔽装置，以便仅通过遮蔽干扰相位而导出具有均匀相位的光从谐振器或谐振器中的光束发射的光束的部分。

7. 发明申请

US20130218321A1 LASER MACHINING APPARATUS AND LASER MACHINING CONTROL DEVICE 有权
标题翻译：激光加工设备和激光加工控制设备
公开(公告)号：US20130218321A1
公开(公告)日：2013-08-22
申请号：US13877762
申请日：2012-05-11
申请人： Naoki Miyamoto , Kenji Kumamoto , Satoshi Nishida , Toshiki Koshimae , Hiroshi Kino , Hiroaki Kurokawa
发明人： Naoki Miyamoto , Kenji Kumamoto , Satoshi Nishida , Toshiki Koshimae , Hiroshi Kino , Hiroaki Kurokawa
IPC分类号： B23K26/06
CPC分类号： B23K26/0665 , B23K26/03 , B23K26/032 , B23K26/38
摘要： The laser machining apparatus includes a transmission fiber that transmits laser light emitted from a laser oscillator through the fiber, a machining head that emits the laser light, which is sent from the transmission fiber, vertically to a main surface of a machining object and sends reflected light, which is reflected coaxially with the laser light by the machining object, to the transmission fiber, a reflected light monitoring unit that detects a reflected light intensity of the reflected light sent from the transmission fiber, and a control device that controls the laser oscillator and the machining head, in which the control device includes a determining unit that, at a time when laser machining is started, determines whether the machining object corresponds to a machining condition or not in laser machining on the basis of the reflected light intensity.
摘要翻译：激光加工装置包括：透射光纤，其通过光纤传输从激光振荡器发射的激光;发射激光的加工头，其从传输光纤垂直发送到加工对象的主表面，并将反射的通过加工对象与激光同轴地反射的光被传送到传输光纤，反射光监视单元，其检测从传输光纤发送的反射光的反射光强度;以及控制装置，其控制激光振荡器以及加工头，其中所述控制装置包括确定单元，所述确定单元在激光加工开始时基于所述反射光强度来确定所述加工对象是否对应于激光加工中的加工条件。

8. 发明授权

US5905749A Solid state laser oscillator and machining apparatus using the same 失效
标题翻译：固态激光振荡器及使用其的加工装置
公开(公告)号：US5905749A
公开(公告)日：1999-05-18
申请号：US721229
申请日：1996-09-26
申请人： Kuniaki Iwashiro , Kenji Kumamoto
发明人： Kuniaki Iwashiro , Kenji Kumamoto
IPC分类号： H01S3/08 , H01S3/131 , H01S3/139 , H01S3/16 , H01S3/00
CPC分类号： H01S3/08 , H01S3/08072
摘要： In a resonating-type solid-state laser oscillator including birefringent a solid-state element containing a laser active medium and providing a plurality of thermal lenses during excitation and reflecting mirrors arranged oppositely to each other on both sides of the solid-state element so that their optical axes are coincident to each other, a prescribed relationship is given among the refractive index and length of the solid-state element, the radii of curvature of the reflection mirrors, the distances between the reflecting mirrors and the solid-state element and the difference between 1/f of the plurality of thermal lenses by owing to birefringence of the solid-state element, so that oscillation areas due to the plurality of thermal lenses are separated from each other.
摘要翻译：在包含双折射的共振型固态激光振荡器中，包含激光活性介质的固态元件和在激发期间提供多个热透镜并且在固态元件的两侧彼此相对布置的反射镜，使得它们的光轴彼此重合，在固态元件的折射率和长度，反射镜的曲率半径，反射镜和固态元件之间的距离以及由于固体元件的双折射，多个热透镜的1 / f之间的差异，使得由于多个热透镜引起的振荡区域彼此分离。

9. 发明申请

US20120031883A1 LASER MACHINING DEVICE AND LASER MACHINING METHOD 审中-公开
标题翻译：激光加工设备和激光加工方法
公开(公告)号：US20120031883A1
公开(公告)日：2012-02-09
申请号：US13264640
申请日：2010-05-14
申请人： Kenji Kumamoto , Yushi Takenaka , Kazuki Kuba , Toru Murai , Taira Ogita , Junichi Nishimae , Keisuke Furuta
发明人： Kenji Kumamoto , Yushi Takenaka , Kazuki Kuba , Toru Murai , Taira Ogita , Junichi Nishimae , Keisuke Furuta
IPC分类号： B23K26/00 , B23K26/36
CPC分类号： B23K26/38 , B23K26/0648 , B23K26/0665 , B23K26/073 , B23K2101/18 , B23K2103/04 , H01S2301/206
摘要： The machining device is equipped with a fiber laser oscillator for oscillating laser light of a top hat shape, and a light collecting lens and a machining head for collecting the laser light of the top hat shape and emitting the laser light onto a machining target such that the beam diameter of the laser light of the top hat shape at a position where light intensity becomes the one corresponding to a machining threshold of the machining target is about three times the size of the beam diameter of laser light in a Gaussian mode at the same position, when the laser light in the Gaussian mode has a beam quality substantially the same as that of the laser light of the top hat shape.
摘要翻译：该加工装置配备有用于振荡顶帽形状的激光的光纤激光振荡器，以及聚光透镜和用于收集顶帽形状的激光并将激光发射到加工对象上的加工头，使得在光强度成为与加工对象的加工阈值相对应的位置的顶帽形状的激光的光束直径为相同高斯模式的激光的光束直径的大小的三倍当高斯模式的激光具有与顶帽形状的激光基本相同的光束质量时，

10. 发明授权

US5116683A Magnetic recording medium containing a specified ferromagnetic powder, polyurethane resin prepared from specified branched chain diols and a fatty acid ester 失效
标题翻译：含有特定铁磁粉末的磁记录介质，由特定的支链二醇和脂肪酸酯制备的聚氨酯树脂
公开(公告)号：US5116683A
公开(公告)日：1992-05-26
申请号：US536536
申请日：1990-06-12
申请人： Noboru Koyama , Setsuko Kawahara , Rieko Ren , Kenji Kumamoto , Noboru Nakajima
发明人： Noboru Koyama , Setsuko Kawahara , Rieko Ren , Kenji Kumamoto , Noboru Nakajima
IPC分类号： C08G18/42 , G11B5/702
CPC分类号： G11B5/7021 , C08G18/42 , Y10S428/90 , Y10T428/2991 , Y10T428/31551 , Y10T428/3158 , Y10T428/31609
摘要： There is disclosed a magnetic recording medium having excellent dispersability of ferromagnetic powder and ensuring stable production as well as excellent durability and electromagnetic conversion properties. The recording medium comprises a non-magnetic support and provided thereon at least one magnetic layer containing a ferromagnetic compound, wherein at least one of the magnetic layers contains:a fatty ester of 0.05 to 2 parts by weight per 100 parts by weight of the magnetic powder and,a binder composed of a urethane resin prepared from isocyanate and polyesterpolyol comprising carboxylic acid and diol represented by the following Formula I: ##STR1## wherein R represents a hydrocarbon group having 1 to 6 carbon atoms; and R' represents a hydrogen atom or a hydrocarbon group having 1 to 6 carbon atoms, provided that the total number of carbon atoms included in R and R' is 3 to 10 and that at least one of R and R' is a branched alkyl group having 3 or more carbon atoms.
摘要翻译：公开了一种具有优异的铁磁粉末分散性的磁记录介质，确保了稳定的生产以及优异的耐久性和电磁转换特性。记录介质包括非磁性载体，并在其上提供至少一个含有铁磁性化合物的磁性层，其中至少一个磁性层含有：相对于每100重量份的磁性材料为0.05-2重量份的脂肪酸酯粉末和由由异氰酸酯制备的聚氨酯树脂和包含羧酸和由下式I表示的二醇的聚酯多元醇组成的粘合剂：其中R表示具有1至6个碳原子的烃基; R'表示氢原子或碳原子数为1〜6的烃基，条件是R和R'中包含的碳原子数为3〜10，R和R'中的至少一个为支链烷基具有3个以上碳原子的基团。

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