公开(公告)号：US5379316A

公开(公告)日：1995-01-03

申请号：US30418

申请日：1993-03-23

申请人： Norio Karube ,  Yoshiki Fujioka ,  Mitsuo Manabe

发明人： Norio Karube ,  Yoshiki Fujioka ,  Mitsuo Manabe

IPC分类号： H01S3/038 ,  H01S3/03 ,  H01S3/097

CPC分类号： H01S3/0387

摘要： A laser discharge tube for preventing the flow out of an electrode material, deterioration of electrodes, and the like, caused by corona discharge, as well as for increasing power to be supplied to the laser discharge tube by improving the heat-dissipating property and insulating property of the electrodes. The laser discharge tube is a tube of a dielectric material (e.g., silica glass) with a circular cross section and two electrode units are helically disposed on the outside periphery thereof at the same pitch. The electrode units include electrodes and dielectric layers, respectively, and each of the electrodes is formed by depositing silver as an electric conductor on the outside periphery of the tube wall by metalizing. The dielectric layers are formed to cover the electrodes, respectively, and are disposed on the outside periphery of the tube wall by depositing a dielectric material such as a ceramic material, glass, resin or the like by spray coating, coating, baking or the like or by bonding independently formed dielectric materials to the electrodes. The dielectric layers have a thickness of about 0.1 mm-5 mm.

摘要翻译： PCT No.PCT / JP92 / 00750 Sec。 371日期1993年3月23日 102（e）1993年3月23日PCT PCT 1992年6月11日PCT公布。 公开号WO93 / 03520 日期：1993年2月18日。一种用于防止由电晕放电引起的电极材料流出，电极劣化等的激光放电管，以及通过改善提供给激光放电管的功率增加 电极的散热特性和绝缘性能。 激光放电管是具有圆形横截面的介电材料（例如石英玻璃）的管，并且两个电极单元以相同的间距螺旋地设置在其外周上。 电极单元分别包括电极和电介质层，并且每个电极通过金属化将银作为电导体沉积在管壁的外周上而形成。 形成电介质层以分别覆盖电极，并且通过喷涂，涂覆，烘烤等沉积诸如陶瓷材料，玻璃，树脂等的介电材料而设置在管壁的外周上 或通过将独立形成的电介质材料粘合到电极上。 电介质层的厚度为约0.1mm-5mm。

公开(公告)号：US5440580A

公开(公告)日：1995-08-08

申请号：US332403

申请日：1994-10-31

申请人： Norio Karube ,  Yoshiki Fujioka ,  Mitsuo Manabe

发明人： Norio Karube ,  Yoshiki Fujioka ,  Mitsuo Manabe

IPC分类号： H01S3/03 ,  H01S3/038 ,  H01S3/0975 ,  H01S3/097

CPC分类号： H01S3/0388 ,  H01S3/0387 ,  H01S3/0975

摘要： A laser discharge tube having electrodes the peeling of which is reduced and a method of manufacturing electrodes of a laser discharge tube by which the peeling of the electrodes is reduced. The electrodes are adhered to the outside periphery of the tube wall of the laser discharge tube. The electrodes contain as components an electric conductive substance, an inorganic binder and boron nitride as a thermal expansion preventing substance for suppressing a coefficient of thermal expansion. When a silica glass tube is used as the laser discharge tube, the laser discharge tube has a coefficient of thermal expansion of +0.5.times.10.sup.-6. When the electrodes are mixed with boron nitride, the electrodes have a coefficient of thermal expansion of +2 to +7.times.10.sup.-6 and the coefficient of thermal expansion of the electrodes can be brought close to the that of the laser discharge tube by mixing boron nitride with the electrodes. Thus, the peeling of the electrodes caused by a difference of the coefficients of thermal expansion can be reduced.

摘要翻译： 具有其剥离电极的激光放电管被减少，以及制造电极剥离的激光放电管的电极的制造方法。 电极粘附到激光放电管的管壁的外周。 这些电极包含导电物质，无机粘合剂和氮化硼作为组分，作为用于抑制热膨胀系数的热膨胀防止物质。 当使用石英玻璃管作为激光放电管时，激光放电管的热膨胀系数为+ 0.5×10 -6。 当电极与氮化硼混合时，电极的热膨胀系数为+2〜+ 7×10-6，电极的热膨胀系数可以接近于激光放电管的热膨胀系数，通过混合氮化硼 与电极。 因此，可以降低由热膨胀系数的差异引起的电极的剥离。

公开(公告)号：US4930135A

公开(公告)日：1990-05-29

申请号：US283479

申请日：1988-12-05

申请人： Norio Karube ,  Akira Egawa ,  Etsuo Yamazaki ,  Nobuaki Iehisa ,  Mitsuo Manabe

发明人： Norio Karube ,  Akira Egawa ,  Etsuo Yamazaki ,  Nobuaki Iehisa ,  Mitsuo Manabe

IPC分类号： H01S3/097 ,  H01S3/0975

CPC分类号： H01S3/0975

摘要： A laser oscillator device applies a high-frequency voltage to a plurality of discharge regions through a dielectric for producing a high-frequency discharge for laser pumping. Various interferences in the laser oscillator device are prevented to allow the device to produce a stable output. The laser oscillator device includes DC power supplies (DC12a, DC13a, DC13c, DC13d) and high-frequency power supplies (RF12b, RF13b, RF14b, RF15b) which are integrally coupled to prevent electromagnetic interference through cables for allowing stable laser oscillation and also to prevent various other interferences.

公开(公告)号：US4921357A

公开(公告)日：1990-05-01

申请号：US283478

申请日：1988-12-02

申请人： Norio Karube ,  Akira Egawa ,  Etsuo Yamazaki ,  Nobuaki Iehisa ,  Mitsuo Manabe

发明人： Norio Karube ,  Akira Egawa ,  Etsuo Yamazaki ,  Nobuaki Iehisa ,  Mitsuo Manabe

IPC分类号： H01S3/097 ,  H01S3/0975

CPC分类号： H01S3/0975

摘要： A laser oscillator device applies a high-frequency voltage to a plurality of discharge regions through a dielectric for producing a high-frequency discharge for laser pumping. The laser oscillator device includes a DC power supply (16), and a high-frequency power supply (18, 19, 20, 21) for converting a DC voltage into a high-frequency voltage. The DC power supply (16) and the high-frequency power supply (18, 19, 20, 21) are coupled to each other by a filter (30). The filter (30) prevents a high-frequency component from being fed back from the high-frequency power supply (18, 19, 20, 21) to prevent the laser oscillator device from operating unstably due to parasitic oscillation. Other arrangements are disclosed for preventing interference between the high-frequency power supply and the DC power supply.

公开(公告)号：US5065330A

公开(公告)日：1991-11-12

申请号：US363393

申请日：1989-06-05

申请人： Norio Karube ,  Mitsuo Manabe

发明人： Norio Karube ,  Mitsuo Manabe

IPC分类号： B23K26/00 ,  B23K26/08 ,  G05B19/414 ,  H01S3/00 ,  H01S3/097 ,  H01S3/10

CPC分类号： B23K26/0853 ,  G05B19/414 ,  G05B2219/37275

摘要： A numerical control system for a laser comprises a laser oscillator (1), an electric power supply (3) for driving the laser oscillator, and a computerized numerical control system (CNC) (5). The numerical control system includes sequence control means for controlling a sequence of operation of the laser oscillator, output control means for controlling output conditions of the laser oscillator feedback control means for controlling the feedback of an output from the laser oscillator, and display control means for displaying a condition of the laser oscillator. The laser oscillator (1), the power supply (3), and the computerized numerical control system (5) are coupled together, making the numerical control system for the laser small in size and simple in arrangement.

摘要翻译： PCT No.PCT / JP88 / 00428 Sec。 371日期：1988年11月30日 102（e）1988年11月30日日期PCT提交1988年4月28日PCT公布。 出版物WO88 / 08355 日期：1988年11月3日。一种用于激光的数控系统包括激光振荡器（1），用于驱动激光振荡器的电源（3）和计算机化数控系统（CNC）（5）。 数字控制系统包括用于控制激光振荡器的操作顺序的顺序控制装置，用于控制激光振荡器反馈控制装置的输出条件的输出控制装置，用于控制来自激光振荡器的输出的反馈;以及显示控制装置， 显示激光振荡器的状态。 激光振荡器（1），电源（3）和计算机化数控系统（5）耦合在一起，使得激光器的数控系统尺寸小，布置简单。

公开(公告)号：US4935933A

公开(公告)日：1990-06-19

申请号：US298745

申请日：1989-01-12

申请人： Norio Karube ,  Akira Egawa ,  Mitsuo Manabe

发明人： Norio Karube ,  Akira Egawa ,  Mitsuo Manabe

IPC分类号： H01S3/097 ,  H01S3/0975 ,  H01S3/134

CPC分类号： H01S3/0975

摘要： A laser oscillator device applies a high-frequency voltage to a plurality of discharge regions (1a, 1b) through a dielectric to produce a high-frequency discharge for laser pumping. The laser oscillator device includes high-frequency power supplies (26a, 26b) for converting a DC power supply into high-frequency power supply outputs, output transformers (22a, 22b) for boosting the high-frequency power supply outputs and transmitting high-frequency electric power to the discharge regions, the output transformers having secondary windings with grounded midpoints, and current detectors (CT1a, CT1b) for detecting currents flowing through discharge tubes. Output currents of the high-frequency power supplies are controlled by feeding back the detected currents. Since the detected currents are not affected by mutual currents between electrodes, alarm conditions due to uncontrollable operation of a feedback loop and damage of parts are prevented from occurring, and stable current control is achieved.

公开(公告)号：US4887272A

公开(公告)日：1989-12-12

申请号：US295203

申请日：1988-12-20

申请人： Norio Karube ,  Akira Egawa ,  Etsuo Yamazaki ,  Nobuaki Iehisa ,  Mitsuo Manabe

发明人： Norio Karube ,  Akira Egawa ,  Etsuo Yamazaki ,  Nobuaki Iehisa ,  Mitsuo Manabe

IPC分类号： H01S3/097 ,  H01S3/0975 ,  H01S3/134

CPC分类号： H01S3/0975

摘要： A laser oscillator device applies a high-frequency voltage to a plurality of discharge regions through a dielectric for producing a high-frequency discharge for laser pumping. The laser oscillator device has current detectors (CT2a, CT2b) for detecting currents flowing from high-frequency power supplies (26a, 26b) into discharge tubes (1). The current detectors are disposed in positions to detect mutual currents between the adjacent discharge tubes. The currents detected by the current detectors (CT2a, CT2b) are used as feedback currents for preventing uncontrollable conditions of the currents due to a coupling current. The laser oscillator device also has a mechanism for preventing interference in the discharge regions.

公开(公告)号：US6055263A

公开(公告)日：2000-04-25

申请号：US930345

申请日：1997-09-30

申请人： Norio Karube ,  Nobuaki Iehisa ,  Kenji Mitsui

发明人： Norio Karube ,  Nobuaki Iehisa ,  Kenji Mitsui

IPC分类号： H01S3/06 ,  H01S3/07 ,  H01S3/08 ,  H01S3/0941 ,  H01S3/16

CPC分类号： H01S3/0941 ,  H01S3/0606 ,  H01S3/0612 ,  H01S3/0615 ,  H01S3/08095 ,  H01S3/093

摘要： A solid-state laser oscillating device which is inexpensive and capable of obtaining a high power. A plurality of laser crystals (YAG laser crystals, etc.) (1a, 1b, 1c) are arranged along the optical axis of an optical resonator so as to maintain optical contact with one another. Adjacent ones of the laser crystals have surfaces facing each other with an adhesive layer (10, 20) interposed therebetween, to form an array in a straight-line as a whole. An adhesive having a low light absorbance with respect to a laser beam of oscillation wavelength or an excitation light is used for forming the adhesive layers (10, 20). If the refractive index of the adhesive is substantially equal to that of the laser crystals, optical matching is achieved. The adhesive layers (10, 20) may be replaced by some other transparent material. The adjacent laser crystals may be arranged with a narrow gap therebetween or held in surface contact with each other.

摘要翻译： PCT No.PCT / JP97 / 00260 Sec。 371日期：1997年9月30日 102（e）1997年9月30日PCT PCT 1997年2月3日PCT公布。 公开号WO97 / 28585 PCT 日期：1997年8月7日一种廉价且能够获得高功率的固体激光振荡装置。 沿着光谐振器的光轴布置多个激光晶体（YAG激光晶体等）（1a，1b，1c），以保持彼此的光学接触。 相邻的激光晶体具有彼此面对的表面，其间插入有粘合剂层（10,20），以形成整体上的直线阵列。 使用相对于振荡波长的激光束或激发光具有低吸光度的粘合剂来形成粘合剂层（10,20）。 如果粘合剂的折射率基本上等于激光晶体的折射率，则实现光学匹配。 粘合剂层（10,20）可以被一些其它透明材料代替。 相邻的激光晶体可以布置成彼此之间的窄间隙或彼此保持表面接触。

公开(公告)号：US5124997A

公开(公告)日：1992-06-23

申请号：US582206

申请日：1990-10-01

申请人： Tsutomu Funakubo ,  Norio Karube

发明人： Tsutomu Funakubo ,  Norio Karube

IPC分类号： F04D29/04 ,  F04D29/056 ,  F04D29/059 ,  F04D29/06 ,  F04D29/063 ,  F16C33/66 ,  H01S3/036 ,  H01S3/097

CPC分类号： F04D29/059 ,  F04D29/063 ,  F16C33/6607 ,  H01S3/036

摘要： A turbo blower for a laser device, including a shaft having an impeller on one end thereof, a pair of bearings, having inside grease spaces and supporting the shaft Non-contact seal portions are provided for preventing an outflow of grease, whereby other spaces for retaining the grease are formed on either side of the bearings. Although the grease in the inside spaces of the bearings is urged to escape from the bearings by the centrifugal force of the rotation of the shaft, the grease is prevented from flowing out of the spaces on either side of the bearing by the non-contact seal portions.

摘要翻译： PCT No.PCT / JP90 / 00170 Sec。 371 1990年10月1日第 102（e）1990年10月1日PCT 1990年2月9日PCT PCT。 出版物WO90 / 10328 1990年9月7日。一种用于激光装置的涡轮鼓风机，包括在其一端具有叶轮的轴，具有内侧油脂空间并支撑轴的一对轴承非接触密封部分用于防止流出 的润滑脂，由此在轴承的两侧形成用于保持润滑脂的其它空间。 虽然轴承的内部空间中的润滑脂被轴的旋转离心力促使其从轴承中逸出，但是通过非接触式密封件防止润滑脂从轴承的任一侧上的空间流出 部分。

公开(公告)号：US5111474A

公开(公告)日：1992-05-05

申请号：US733011

申请日：1991-07-19

申请人： Tsutomu Funakubo ,  Norio Karube

发明人： Tsutomu Funakubo ,  Norio Karube

IPC分类号： F04D29/04 ,  F04D29/056 ,  F04D29/059 ,  H01S3/036 ,  H01S3/097 ,  H01S3/0975

CPC分类号： H01S3/0975 ,  H01S3/036

摘要： A laser oscillator device comprises an electric-discharge tube for producing an electric discharge in a laser gas contained in the electric-discharge tube for laser excitation, an optical resonator for effecting laser oscillation, and a gas circulating device having a gas blower and a cooling unit for forcibly cooling the laser gas. The gas blower has an impeller that is rotatable in the laser gas and bearings that are lubricated by grease. With this arrangement, contamination of the optical parts is prevented and the device can easily be maintained.