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    • 4. 发明申请
      US20050069638A1 System for forming a gas flow of reactants for a doped glass material 审中-公开
    • System for forming a gas flow of reactants for a doped glass material
    • 用于形成掺杂玻璃材料的反应物气流的系统
    • US20050069638A1
    • 2005-03-31
    • US10951869
    • 2004-09-29
    • Markku Rajala , Kauko Janka , Simo Tammela , Taneli Tuurnala
    • Markku Rajala , Kauko Janka , Simo Tammela , Taneli Tuurnala
    • C03B37/014 , C03C21/00 , C03C25/60 , B05D5/06
    • C03C25/607 , C03B37/01413 , C03B2201/08 , C03B2201/28 , C03B2201/31 , C03B2201/36 , C03C21/007
    • A system and a method in producing a doped glass material, particularly a glass material to be used in light amplifying optical waveguides. The method comprising: bringing at least a first dopant and a second dopant of the glass material into a vaporous gas phase; controlling the vapour pressure of the gas phase of each dopant by bringing each dopant to a desired temperature which is simultaneously used to control the composition of their gas phase; and mixing each vaporous dopant with the gas flow of the basic material for the glass material, which basic material is also in a gas phase and is used as a carrier gas for the dopants, wherein said basic material and said dopants together constitute the required gas flow of so-called reactants, to be used for producing the glass material; performing the mixing so that said dopants are each mixed in turn with the same gas flow of the basic material in such an order that said desired temperatures of the dopants are increasing in relation to one another.
    • 用于制造掺杂玻璃材料的系统和方法，特别是用于光放大光波导的玻璃材料。 所述方法包括：将所述玻璃材料的至少第一掺杂剂和第二掺杂剂引入气相中; 通过使每种掺杂剂达到同时用于控制其气相组成的所需温度来控制每种掺杂剂的气相的蒸气压; 并且将每种气态掺杂剂与用于玻璃材料的基础材料的气流混合，该基本材料也处于气相中，并且用作掺杂剂的载气，其中所述碱性材料和所述掺杂剂一起构成所需气体 用于生产玻璃材料的所谓反应物流; 进行混合，使得所述掺杂剂各自依次以基本材料的相同气流依次混合，使得掺杂剂的所需温度相对于彼此增加。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 6. 发明授权
      US4623373A Technique for fabricating a gas-in-glass fiber 失效
    • Technique for fabricating a gas-in-glass fiber
    • 玻璃纤维制造技术
    • US4623373A
    • 1986-11-18
    • US702387
    • 1985-02-15
    • Julian Stone
    • Julian Stone
    • C03B37/10 , C03C25/00 , C03C25/60 , G02B6/00 , C03B37/01
    • C03C25/00 , C03C25/607
    • The present invention relates to a technique for infusing and maintaining a gas-in-glass fiber. In the present technique, a length of an optical fiber, e.g., a single mode fiber, is placed in a pressure vessel with the ends of the fiber protruding from the vessel walls through seals. The vessel is then partially or fully filled with a medium, such as a gas or water, and the vessel sealed. In one embodiment, a container, including both the predetermined gas under pressure and a rupture disc in a container wall, is disposed within the vessel. Pressure is then applied to the sealed vessel until the rupture disc implodes and releases the gas for subsequent infusion. In a second embodiment, the predetermined gas is introduced into the vessel from an outside pressurized source until a first predetermined pressure is obtained within the vessel. A predetermined amount of additional pressure from a second pressure source is then supplied to the vessel until a second predetermined pressure is reached in the vessel. Once the final pressure is achieved by either embodiment, the vessel is maintained in this state.
    • 本发明涉及一种用于输入和维持玻璃内玻璃纤维的技术。 在本技术中，将光纤（例如单模光纤）的长度放置在压力容器中，其中纤维的端部通过密封从容器壁突出。 然后将容器部分或完全填充有诸如气体或水的介质，并将容器密封。 在一个实施例中，在容器内设置包括压力下的预定气体和容器壁中的破裂盘的容器。 然后将压力施加到密封容器上，直到破裂盘打破并释放气体以用于随后的输注。 在第二实施例中，将预定气体从外部加压源引入容器中，直到在容器内获得第一预定压力。 然后将来自第二压力源的预定量的附加压力供应到容器，直到在容器中达到第二预定压力。 一旦通过任一实施例达到最终压力，容器就保持在这种状态。
    • 基本信息 添加关注 加入工作空间 PDF全文 PDF下载 全文下载 相似专利 双屏查看 权利要求书 说明书全文 Global Dossier Espacenet 法律信息 同族专利 专利引用
    • 7. 发明授权
      US2797392A Electrical conductor comprising multiplicity of insulated filaments 失效
    • Electrical conductor comprising multiplicity of insulated filaments
    • 电导体包括多个绝缘细丝
    • US2797392A
    • 1957-06-25
    • US28327252
    • 1952-04-21
    • BELL TELEPHONE LABOR INC
    • CLOGSTON ALBERT M
    • B01J39/02 , B21C37/15 , C03C21/00 , C03C25/10 , C03C25/60 , C03C25/68 , D06P1/00 , H01B3/08 , H01B7/30 , H01J9/06 , H01P3/18
    • B01J39/02 , B21C37/15 , C03C21/00 , C03C21/001 , C03C25/475 , C03C25/601 , C03C25/68 , D06P1/0076 , H01B3/08 , H01B7/30 , H01J9/06 , H01P3/18
    • 715,359. Transmission lines. WESTERN ELECTRIC CO., Inc. Feb. 29, 1952 [March 7, 1951], No. 5363/52. Class 40 (8). [Also in Groups XXXVI and XL(c)] Losses due to skin effect are reduced at frequencies within the megacycle range by utilizing a conductor consisting of an assembly of spaced elongated conductive elements insulated from each other and extending parallel to the direction of flow of current, the elements having a transverse dimension which is small compared to the "skin-depth" of a corresponding solid conductor. The skin depth is the distance at which the current or field penetrating into a solid conductor decreases by one neper, i.e. is reduced by a factor 1 / e =.3679.... The invention may be applied to co-axial cables, wave-guides, antennae, coils, parallel cables or to single composite conductors. Fig. 7b shows the invention applied to a co-axial line, the inner and outer conductors of which are made up of alternate laminations of metal 66 and dielectric material 67 separated by a body of dielectric material 63 whose dielectric constant is made equal to # 1 (1+w/t) where # 1 is the dielectric constant of the material 67 and W and t are respectively the thicknesses of the metal layers 66 and dielectric layers 67. Under these conditions the electromagnetic wave propagates in the conductor at a certain critical velocity at which penetration into the conductor is much greater than the penetration into a solid conductor of the same dimensions. In other words, the skin-depth is effectively increased. The core 64 of the inner conductor may be of either metal or dielectric and the outer conductor may be surrounded by a metallic sheath 65. Modifications are described in which the outer or the inner conductor comprises a conventional solid conductor, the other conductor being of the laminated construction of the invention. In a further modification the dielectric 63 is replaced by an air-space or is composed of laminae according to the invention. Fig. 10 shows a waveguide in which two opposite walls 81, 82 are of laminated construction, the other walls 85, 86 being of conductive material. Instead of being in the form of laminae the conductive elements may be in the form of filaments having a diameter which is small compared with the skin depth. In the two-conductor line of Fig. 12 the filaments 101 are embedded in a body of dielectric 103 which may be surrounded by a conductive sheath. The filamented conductor 131 of Fig. 15 is in the form of a coil embedded in a body of dielectric 132. The co-axial lines of the invention may be joined to a conventional dielectric-filled co-axial line 201 in the manner shown in Fig. 23. Where the inner member 64 is of dielectric material, the inner conductor 202 of the line 201 is flared out at its end to make contact with the conductive laminae 66. Where the laminae 66, 67 occupy the whole space between the inner member 64 and the outer sheath 65, the dielectric constant of the material 203 is made equal to the average dielectric constant of the laminated conductor. Specification 616,109, [Group XXXVI], is referred to.
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