专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4747924A Apparatus for producing neodymium-iron alloy 失效
标题翻译：用于生产钕铁合金的设备
公开(公告)号：US4747924A
公开(公告)日：1988-05-31
申请号：US036102
申请日：1987-04-08
申请人： Katsuhisa Itoh , Yoshiaki Watanabe , Eiji Nakamura , Masayasu Toyoshima
发明人： Katsuhisa Itoh , Yoshiaki Watanabe , Eiji Nakamura , Masayasu Toyoshima
IPC分类号： C25C3/34 , C25C7/00 , C25D17/00 , C25C3/36
CPC分类号： C25C7/005 , C25C3/34
摘要： A process and an apparatus for producing a neodymium-iron alloy by electrolytic reduction of neodymium fluoride in a bath of molten electrolyte, consisting essentially of 35-76% by weight of neodymium fluoride, 20-60% by weight of lithium fluoride, up to 40% by weight of barium fluoride and up to 20% by weight of calcium fluoride, conducted between one or more iron cathode and one or more carbon anode. The apparatus comprises an electrowinning cell of refractory materials coated inside with a lining resistive to the bath, the carbon anode of constant transverse cross-sectional shape over its length, immersed into the electrolyte bath at its free end, the iron cathode of constant transverse cross-sectional shape over its length, immersed into the electrolytic bath at its free end, a receiver placed on the bottom of the cell for collecting the produced neodymium-iron alloy in a liquid state on the tip of the iron cathode, siphoning means for withdrawing the molten alloy pooled in the receiver out of the cell, and feeding means for feeding the ever wearing iron cathode into the electrolyte bath so as to apply the direct current to the iron cathode with a predetermined current density.
摘要翻译：一种用于通过在熔融电解质浴中电解还原氟化钕来生产钕 - 铁合金的方法和装置，其基本上由35-76重量％的氟化钕，20-60重量％的氟化锂组成，直至在一个或多个铁阴极和一个或多个碳阳极之间进行40重量％的氟化钡和至多20重量％的氟化钙。该装置包括涂覆在其内部的耐熔材料的电解沉积池，其具有耐熔池的衬里，其长度上具有恒定横截面形状的碳阳极，浸入其自由端的电解质浴池中，恒定横向交叉的铁阴极在其长度上的截面形状，浸入其自由端的电解浴中，放置在电池底部的接收器，用于在铁阴极的尖端上收集液态的所生产的钕 - 铁合金，用于抽出的虹吸装置将熔融合金收集在电池内的接收器中，以及馈送装置，用于将经过磨损的铁阴极供入电解槽中，以便以预定电流密度将直流施加到铁阴极。

2. 发明授权

US4684448A Process of producing neodymium-iron alloy 失效
标题翻译：生产钕铁合金的工艺
公开(公告)号：US4684448A
公开(公告)日：1987-08-04
申请号：US776800
申请日：1985-09-17
申请人： Katsuhisa Itoh , Yoshiaki Watanabe , Eiji Nakamura , Masayasu Toyoshima
发明人： Katsuhisa Itoh , Yoshiaki Watanabe , Eiji Nakamura , Masayasu Toyoshima
IPC分类号： C25C3/34 , C25C7/00 , C25C3/36
CPC分类号： C25C7/005 , C25C3/34
摘要： A process and an apparatus for producing a neodymium-iron alloy by electrolysis reduction of neodymium fluoride in a bath of molten electrolyte, consisting essentially of 35-76% by weight of neodymium fluoride, 20-60% by weight of lithium fluoride, up to 40% by weight of barium fluoride and up to 20% by weight of calcium fluoride, conducted between one or more iron cathode and one or more carbon anode. The apparatus comprises an electrowinning cell of refractory materials coated inside with a lining resistive to the bath, the carbon anode of constant transverse cross-sectional shape over its length, immersed into the electrolyte bath at its free and, the iron cathode of constant transverse cross-sectional shape over its length, immersed into the electrolytic bath at its free end, a receiver placed on the bottom of the cell for collecting the produced neodymium-iron alloy in a liquid state on the tip of the iron cathode, siphoning means for withdrawing the molten alloy pooled in the receiver out of the cell, and feeding means for feeding the ever wearing iron cathode into the electrolyte bath so as to apply the direct current to the iron cathode with a predetermined current density.
摘要翻译：一种用于通过在熔融电解质浴中电解还原氟化钕来生产钕 - 铁合金的方法和装置，其基本上由35-76重量％的氟化钕，20-60重量％的氟化锂组成，直至在一个或多个铁阴极和一个或多个碳阳极之间进行40重量％的氟化钡和至多20重量％的氟化钙。该装置包括涂覆在其内部的耐熔材料的电解沉积池，其具有耐熔池的衬里，其长度上具有恒定横截面形状的碳阳极，浸入其游离的电解质浴池中，并且恒定横向交叉的铁阴极在其长度上的截面形状，浸入其自由端的电解浴中，放置在电池底部的接收器，用于在铁阴极的尖端上收集液态的所生产的钕 - 铁合金，用于抽出的虹吸装置将熔融合金收集在电池内的接收器中，以及馈送装置，用于将经过磨损的铁阴极供入电解槽中，以便以预定电流密度将直流施加到铁阴极。

3. 发明授权

US4737248A Process for producing dysprosium-iron alloy and neodymium-dysprosium-iron alloy 失效
标题翻译：生产镝铁合金和钕镝铁合金的方法
公开(公告)号：US4737248A
公开(公告)日：1988-04-12
申请号：US941040
申请日：1986-12-12
申请人： Eiji Nakamura , Katsuhisa Itoh , Masahiro Nishio , Mikio Sakakibara
发明人： Eiji Nakamura , Katsuhisa Itoh , Masahiro Nishio , Mikio Sakakibara
IPC分类号： C22B59/00 , C25C3/34 , C25C7/00 , C25C3/36
CPC分类号： C25C3/34 , C22B59/00 , C25C7/005
摘要： A process and an apparatus for producing a dysprosium-iron alloy or a neodymium-dysprosium-iron alloy by electrolytic reduction of dysprosium fluoride or neodymium fluoride and dysprosium fluoride in a bath of molten electrolyte, consisting essentially of 20-95% by weight of dysprosium fluoride or a mixture of neodymium fluoride and dysprosium fluoride, 5-80% by weight of lithium fluoride, up to 40% by weight or barium fluoride and up to 20% by weight of calcium fluoride, conducted between one or more iron cathode and one or more carbon anode. The apparatus comprises an electrowinning cell of refractory materials coated inside with a lining resistive to the bath, the carbon anode of constant transverse cross-sectional shape over its length, immersed in the electrolyte bath at its free end, the iron cathode of constant transverse cross-sectional shape over its length, immersed in the electrolyte bath at its free end, a receiver placed on the bottom of the cell for collecting the produced dysprosium-iron alloy or neodymium-dysposium-iron alloy in a liquid state on the tip of the iron cathode, siphoning means for withdrawing the molten alloy pooled in the receiver out of the cell, and feeding means for feeding the iron cathode into the electrolyte bath so as to apply the direct current to the iron cathode with a predetermined current density.
摘要翻译：一种生产镝铁合金或钕 - 镝 - 铁合金的方法和装置，其通过在熔融电解液浴中电解还原氟化镝或氟化钕和氟化镝，基本上由20-95％重量的镝氟化物或氟化钕和氟化镝的混合物，5-80重量％的氟化锂，至多40重量％或氟化钡和至多20重量％的氟化钙，在一个或多个铁阴极和一个或更多的碳阳极。该装置包括涂覆在其内部的耐熔材料的电解沉积池，其具有抵抗浴的衬里，其长度上具有恒定横截面形状的碳阳极，浸入其自由端的电解液浴池中，恒定横向交叉的铁阴极在其长度上的截面形状，浸入其自由端的电解质浴中，放置在电池底部的接收器，用于收集在液体状态下产生的镝铁合金或钕 - 铁基 - 铁合金铁阴极，用于将收集在接收器中的熔融合金排出电池的虹吸装置，以及用于将铁阴极供入电解质浴中以将电流以预定电流密度施加到铁阴极的馈送装置。

4. 发明授权

US4521284A Electrolytic method of producing a high purity aluminum-lithium mother alloy 失效
标题翻译：生产高纯度铝锂母合金的电解方法
公开(公告)号：US4521284A
公开(公告)日：1985-06-04
申请号：US661554
申请日：1984-10-17
申请人： Zenichi Tanabe , Katsuhisa Itoh , Yoshiaki Watanabe
发明人： Zenichi Tanabe , Katsuhisa Itoh , Yoshiaki Watanabe
IPC分类号： C25C3/02 , C25C3/00 , C25C3/36
CPC分类号： C25C3/00
摘要： A method of producing high purity aluminum-lithium mother alloys essentially free from other alkali metals than lithium, which comprises electrolyzing a mixed molten salts consisting of 34 to 64 wt. % of lithium chloride and 66 to 36 wt. % of potassium chloride, and, optionally, 1 to 20 wt. % of sodium chloride based on a combined weight of the aforesaid two components, using solid aluminum as cathodes, and an .alpha.+.beta. phase aluminum lithium alloy electrode or the alloy coated electrode as a reference electrode, under a current density in the range of 0.005 to 1 A/cm.sup.2, whereby producing aluminum-lithium alloys on the cathode. During electrolyzing, the potential difference between the cathode and the reference electrode is continuously measured and differentiated with respect to time and at the point of a sudden change in the differentiated value, electrolyzing is stopped.
摘要翻译：一种生产基本上不含锂的其它碱金属的高纯度铝 - 锂母体合金的方法，包括电解由34-64重量％氯化锂和66〜36重量％的氯化钾，和任选的1至20wt。基于上述两种组分的组合重量，使用固体铝作为阴极，和α+β相铝锂合金电极或合金涂覆电极作为参比电极，在电流密度为0.005 至1A / cm 2，由此在阴极上制造铝 - 锂合金。在电解过程中，阴极和参考电极之间的电位差在时间上和分辨值突然变化的时刻连续测量和区分，电解停止。

5. 发明授权

US4783245A Process and apparatus for producing alloy containing terbium and/or gadolinium 失效
标题翻译：用于生产含有铽和/或钆的合金的方法和设备
公开(公告)号：US4783245A
公开(公告)日：1988-11-08
申请号：US25272
申请日：1987-03-12
申请人： Eiji Nakamura , Katsuhisa Itoh , Shigeaki Sasaki , Masahiro Nishio , Mikio Sakakibara
发明人： Eiji Nakamura , Katsuhisa Itoh , Shigeaki Sasaki , Masahiro Nishio , Mikio Sakakibara
IPC分类号： C25C3/34 , C25C3/36
CPC分类号： C25C3/34
摘要： A process and an apparatus for producing an alloy containing terbium (Tb) and/or gadolinium (Gd). The process includes the steps of: (a) preparing a bath of molten electrolyte which consists essentially of 20-95% by weight of TbF.sub.3 and/or GdF.sub.3, 5-80% of LiF, up to 40% of BaF.sub.2 and up to 20% of CaF.sub.2 ; (b) reducing the TbF.sub.3 and/or GdF.sub.3 in the bath, with carbon anode and with cathode made of a metal such as iron or cobalt, so as to electrodeposit Tb and/or Gd on the cathode, and alloying the electrodeposited Tb and/or Gd with metal of the cathode so as to produce the alloy containing Tb and/or Gd in a liquid state on the cathode; (c) adding the TbF.sub.3 and/or GdF.sub.3 to the bath so as to maintain the composition of the bath, for compensating for consumption of the TbF.sub.3 and/or GdF.sub.3 during production of the alloy; (d) dripping the liquid alloy from the cathode into a receiver having a mouth which is open upward in a lower portion of the bath below the cathode, and thereby collecting the liquid alloy in the form of a molten pool in the receiver; and (e) withdrawing the molten pool of the liquid alloy from the receiver.

6. 发明授权

US06795460B1 Laser device and an optical signal amplifier using thereof 失效
标题翻译：激光装置及其使用的光信号放大器
公开(公告)号：US06795460B1
公开(公告)日：2004-09-21
申请号：US09526366
申请日：2000-03-16
申请人： Katsuhisa Itoh
发明人： Katsuhisa Itoh
IPC分类号： H01S330
CPC分类号： H01S3/094015 , H01S3/042 , H01S3/06704
摘要： A laser device for generating a laser beam and an optical signal amplifier using thereof for amplifying an optical signal are disclosed. The laser device comprises an optical fiber having a core portion in which a laser medium is doped and a cladding portion covering the core portion. The optical fiber is placed in a pumping light reflection portion in which an index matching oil is contained and a pumping light is confined. Alternatively, the optical fiber is bundled in a bundle portion in a pumping light reflection portion in which the pumping light is confined. The pumping light is introduced to the pumping light reflection portion from a pumping light introducing portion bundled with the laser fiber.
摘要翻译：公开了一种用于产生激光束的激光装置及其用于放大光信号的光信号放大器。激光装置包括具有掺杂有激光介质的芯部的光纤和覆盖芯部的包层部。光纤被放置在其中包含折射率匹配油并且泵浦光被限制的泵浦光反射部分中。或者，光纤被束缚在其中限制了泵浦光的泵浦光反射部分的束部分中。泵浦光从与激光光纤捆束的泵浦光引入部分引入泵浦光反射部分。

7. 发明授权

US5764661A Laser glasses and laser glass fibers 失效
标题翻译：激光眼镜和激光玻璃纤维
公开(公告)号：US5764661A
公开(公告)日：1998-06-09
申请号：US562601
申请日：1995-11-24
申请人： Hiromasa Tawarayama , Hiroaki Yanagita , Katsuhisa Itoh , Hisayoshi Toratani
发明人： Hiromasa Tawarayama , Hiroaki Yanagita , Katsuhisa Itoh , Hisayoshi Toratani
IPC分类号： C03C3/32 , C03C4/00 , C03C13/04 , H01S3/067 , H01S3/17 , H01S3/07
CPC分类号： H01S3/06716 , C03C13/043 , C03C3/321 , C03C4/0071 , H01S3/17 , Y10S501/90
摘要： Disclosed are laser glasses composed of a Ga--Na--S glasses doped with one or more kinds of activating ions, laser glass fibers comprising a core and a clad wherein the core is composed of the above-mentioned laser glasses of the present invention and optical fiber amplifiers comprising a pumping source, a laser glass fiber and a means for introducing pumping light and signal light into the laser glass fiber wherein the laser glass fiber is the above-mentioned laser glass fiber of the present invention. The laser glasses of the present invention show high radiative quantum efficiency and host glass stability and can be produced easily.
摘要翻译：公开了由掺杂有一种或多种活化离子的Ga-Na-S玻璃组成的激光玻璃，包括芯和激光玻璃纤维，其中芯由本发明的上述激光玻璃和光学光纤放大器包括泵浦源，激光玻璃纤维和用于将激光和信号光引入激光玻璃纤维的装置，其中激光玻璃纤维是本发明的上述激光玻璃纤维。本发明的激光玻璃显示出高的辐射量子效率和主体玻璃的稳定性，并且可以容易地制造。

8. 发明授权

US06798792B2 Laser device and light signal amplifying device using the same 失效
标题翻译：激光装置和光信号放大装置使用相同
公开(公告)号：US06798792B2
公开(公告)日：2004-09-28
申请号：US09888500
申请日：2001-06-26
申请人： Katsuhisa Itoh
发明人： Katsuhisa Itoh
IPC分类号： H01S330
CPC分类号： H01S3/067 , H01S3/06704 , H01S3/06708 , H01S3/094019 , H01S3/163 , H01S3/17
摘要： In a laser device and a light signal amplifying device with an optical fiber containing a laser activating substance in the inside for emitting a light beam from the end part in the case the laser activating substance is excited, fixed in a dense state at least partially by an optical medium, a polysilsesquioxane including a repeating unit represented by a general formula RSiO1.5 (wherein R represents an alkyl group, a hydroxyl group, a phenyl group, a vinyl group, a 2-chloroethyl group, a 2-bromoethyl group, a hydrogen, a heavy hydrogen, a fluorine, or an oxygen. However, one having R entirely as an oxygen is excluded. Moreover, R may be different per each repeating unit.) is used as the optical medium.
摘要翻译：在激光装置和光信号放大装置中，在激光活化物质被激发的情况下，具有在内部含有激光活化物质的光纤发射来自端部的光束的光信号放大装置，至少部分地以致密状态固定光学介质，聚倍半硅氧烷，其包含由通式RSiO 1.5表示的重复单元（其中R表示烷基，羟基，苯基，乙烯基，2-氯乙基，2-溴乙基，氢，重氢，氟或氧，但不包括R全部为氧的化合物，此外，每个重复单元的R可以不同，）用作光学介质。

9. 发明授权

US06053012A Method for manufacturing glass preform and glass fiber 失效
标题翻译：制造玻璃预制件和玻璃纤维的方法
公开(公告)号：US06053012A
公开(公告)日：2000-04-25
申请号：US9873
申请日：1998-01-21
申请人： Katsuhisa Itoh
发明人： Katsuhisa Itoh
IPC分类号： G02B6/00 , C03B37/012 , C03B37/014 , C03B37/027 , C03C13/04 , C03C15/00 , C03C3/32 , C03B37/075 , C03C13/00
CPC分类号： C03B37/027 , C03B37/012 , C03B37/01211 , C03B37/01274 , C03C13/043 , C03C15/00 , C03B2201/86 , Y10S65/15
摘要： A method for manufacturing a glass preform from a metal sulfide chalcogenide glass to which a large amount of light emitting substances can be added includes steps of etching a surface made of the chalcogenide glass or oxychalcogenide glass of disc shape core and clad forming glass starting materials by an etchant including an acid and a compound reacting with a hydrogen chalcogenide, and forming the core forming glass starting material and the clad forming glass starting material into a united body serving as a glass preform. In a method for manufacturing a single-mode glass fiber using a preform method by drawing the glass preform whose outer round surface is made of a chalcogenide glass or oxychalcogenide glass, the outer round surface of the glass preform is etched using an etchant including an acid and a compound reacting with a hydrogen chalcogenide and then drawn into the glass fiber. In another method for manufacturing a glass fiber by drawing a rod-in-tube in which an outer round surface of the rod and inner and outer round surfaces of the tube are made of a chalcogenide glass or oxychalcogenide glass, the round surfaces made of the chalcogenide glass or oxychalcogenide glass are etched by the etchant including an acid and a compound reacting with a hydrogen chalcogenide and then drawn into the glass fiber.
摘要翻译：从可以添加大量发光物质的金属硫化物硫族化物玻璃制造玻璃预制体的方法包括以下步骤：通过以下步骤：蚀刻由盘状芯的硫族化物玻璃或氧化硫化物玻璃制成的表面，以及包覆成形玻璃原料，由包括酸和与氢硫族化合物反应的化合物的蚀刻剂，以及将形成芯的玻璃起始材料和包层成形玻璃起始材料形成为用作玻璃预制件的联合体。在使用预成型法制造单模玻璃纤维的方法中，通过拉制其外圆表面由硫族化物玻璃或氧化硫化物玻璃制成的玻璃预制件，使用包括酸的蚀刻剂来蚀刻玻璃预制件的外圆面和与氢硫族化合物反应然后吸入玻璃纤维的化合物。在另一种制造玻璃纤维的方法中，通过拉伸杆的外圆表面和管的内外圆表面由硫族化物玻璃或氧化硫化物玻璃制成的管内管，由硫属化物玻璃或氧化硫化物玻璃被蚀刻剂蚀刻，包括酸和与氢硫族化合物反应的化合物，然后被吸入玻璃纤维中。

10. 发明授权

US6042739A Etchant and method for etching chalcogenide glass and optical member having smooth surface 失效
标题翻译：用于蚀刻硫族化物玻璃和具有光滑表面的光学部件的蚀刻剂和方法
公开(公告)号：US6042739A
公开(公告)日：2000-03-28
申请号：US994935
申请日：1997-12-19
申请人： Katsuhisa Itoh
发明人： Katsuhisa Itoh
IPC分类号： C03C3/32 , C03C15/00 , C03C15/02 , B44C1/02
CPC分类号： C03C15/02 , C03C15/00 , C03C3/321
摘要： An etchant for chalcogenide glass or oxychalcogenide glass contains an acid and a compound, e.g., an oxidizing agent, which reacts with hydrogen chalcogen to guarantee safe etching of sulfuric glasses in rendering the glass surface smooth and free from surface defects. The etchant is used for an etching method in which a member made of chalcogenide glass or oxychalcogenide glass is dipped in the prepared etchant. The member can make a glass optical member having a surface, substantially free from latent scratch, whose surface roughness difference is one micron meter or less in a length of 0.1 micron meter taken along the surface.
摘要翻译：硫族化物玻璃或氧化硫化物玻璃的蚀刻剂含有酸和化合物，例如氧化剂，其与氢硫属元素反应，以保证硫酸玻璃的安全蚀刻，使玻璃表面光滑且没有表面缺陷。蚀刻剂用于蚀刻方法，其中由硫族化物玻璃或氧化硫化物玻璃制成的部件浸入制备的蚀刻剂中。该构件可以制造具有基本上没有潜在划痕的表面的玻璃光学构件，其表面粗糙度差异在沿着表面取出的0.1微米米的长度上为1微米或更小。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式