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    LOW DIELECTRIC GLASS COMPOSITION, FIBERS, AND ARTICLE
    11.
    发明申请
    LOW DIELECTRIC GLASS COMPOSITION, FIBERS, AND ARTICLE 审中-公开

    公开(公告)号：US20200181004A1

    公开(公告)日：2020-06-11

    申请号：US16792658

    申请日：2020-02-17

    申请人： AGY Holding Corporation

    发明人： Robert Lurie HAUSRATH ,  Anthony Vincent Longobardo

    IPC分类号： C03C13/00 ,  C03C3/097 ,  C03C10/00 ,  C03B37/02 ,  H05K1/03

    摘要： Glass compositions and glass fibers having low dielectric constants and low dissipation factors that may be suitable for use in electronic applications and articles are disclosed. The glass fibers and compositions of the present invention may include between 48.0 to 58.0 weight percent SiO2; between 15.0 and 26.0 weight percent B2O3; between 12.0 and 18.0 weight percent Al2O3; between greater than 0.25 and 3.0 weight percent P2O5; between greater than 0.25 and 7.00 weight percent CaO; 5.0 or less weight percent MgO; between greater than 0 and 1.5 weight percent SnO2; and 6.0 or less weight percent TiO2. Further, the glass composition has a glass viscosity of 1000 poise at a temperature greater than 1350 degrees Celsius and a liquidus temperature greater than 1000 degrees Celsius.

    Low attenuation fiber with viscosity matched core and inner clad
    12.
    发明授权
    Low attenuation fiber with viscosity matched core and inner clad 有权

    公开(公告)号：US10228509B2

    公开(公告)日：2019-03-12

    申请号：US15485619

    申请日：2017-04-12

    申请人： Corning Incorporated

    发明人： Dana Craig Bookbinder ,  Ming-Jun Li ,  Hazel Benton Matthews, III ,  Pushkar Tandon

    IPC分类号： G02B6/036 ,  G02B6/02 ,  C03B37/027 ,  C03B37/02 ,  C03C3/06 ,  C03C13/04

    摘要： A single mode optical fiber having a core made from silica and less than or equal to about 6.5 weight % germania and having a maximum relative refractive index Δ1MAX. The optical fiber also has an inner cladding surrounding the core and having a minimum relative refractive index Δ2MIN. A difference between a softening point of the core and a softening point of the inner cladding is less than or equal to about 20° C., and Δ1MAX>Δ2MIN. The single mode optical fiber may also have an outer cladding surrounding the inner cladding made from silica or SiON. The outer cladding has a maximum relative refractive index Δ3MAX, and Δ3MAX>Δ2MIN. A method for manufacturing an optical fiber includes providing a preform to a first furnace, the preform, drawing the optical fiber from the preform, and cooling the drawn optical fiber in a second furnace.

    BUSHING WITH RIBBED TIP PLATE
    16.
    发明申请
    BUSHING WITH RIBBED TIP PLATE 审中-公开

    公开(公告)号：US20170260082A1

    公开(公告)日：2017-09-14

    申请号：US15604939

    申请日：2017-05-25

    申请人： JOHNS MANVILLE

    发明人： Morris L. Richardson, III

    IPC分类号： C03B37/083 ,  C03B37/08 ,  C03B37/02

    CPC分类号： C03B37/083 ,  C03B37/0203 ,  C03B37/08

    摘要： A bushing system may include a bushing that is configured to receive a molten material. The bushing may include a plate defining a first plurality of apertures through which the molten material flows. The plate may include a longitudinal axis, as well as a first side wall and a second side wall disposed on a side of the plate opposite the first side wall. The first side wall and the second side wall may extend at an upward angle from the plate. The plate may also include a plurality of ribs extending along at least a portion of the plate. The bushing system may also include a tip plate coupleable with the bushing. The tip plate may be configured to receive the molten material from the bushing and may define a second plurality of apertures through which the molten material flows to form fibers.