Li2O-Al2O3-SiO2 type transparent crystallized glass
    1.
    发明授权
    Li2O-Al2O3-SiO2 type transparent crystallized glass 有权
    Li2O-Al2O3-SiO2型透明结晶玻璃

    公开(公告)号:US06358869B1

    公开(公告)日:2002-03-19

    申请号:US09485946

    申请日:2000-02-17

    IPC分类号: C03C1012

    CPC分类号: C03C10/0027

    摘要: In an Li2O—Al2O3—SiO2 transparent crystallized glass with &bgr;-quartz solid solution precipitated as main crystals, the Li+ concentration ratio an at a position of 50 nm from the surface of the glass is equal to 0.80 or less where the Li+ concentration at a position of 2000 nm from the surface is supposed to be equal to 1.

    摘要翻译: 在以作为主晶体析出的β-石英固溶体的Li 2 O-Al 2 O 3 -SiO 2透明结晶玻璃中,与玻璃表面相比,在50nm的位置处的Li +浓度比a等于0.80以下, 距表面2000 nm的位置应等于1。

    Crystallized glass
    2.
    发明授权
    Crystallized glass 失效
    结晶玻璃

    公开(公告)号:US06750167B2

    公开(公告)日:2004-06-15

    申请号:US10188295

    申请日:2002-07-01

    IPC分类号: C03C1012

    CPC分类号: C03C10/0027

    摘要: A crystallized glass is provided. A &bgr;-quartz solid solution or a &bgr;-eucryptite solid solution is precipitated as a main crystal. The crystallized glass has a crystallization degree not less than 70 mass %, a crystal grain size not more than 0.5 &mgr;m, substantially no gap or crack occurring at boundaries of crystal grains. The crystallized glass also has a thermal expansion coefficient being negatively greater than −10×10−7/° C. within a temperature range of −40° C.˜100° C., a hysteresis of the thermal expansion coefficient within the temperature range being not more than 10 ppm, and a temperature dependence of the refractive index being not more than 13×10−6/° C.

    摘要翻译: 提供结晶玻璃。 作为主晶体沉淀出β-石英固溶体或β-锂钇石固溶体。 结晶化玻璃的结晶度不低于70质量%,晶粒尺寸不大于0.5μm,在晶粒边界处基本上没有间隙或裂纹。 在-40℃〜100℃的温度范围内,结晶化玻璃的热膨胀系数也大于-10×10 -7 /℃,热膨胀系数的滞后在温度范围内 不超过10ppm,折射率的温度依赖性不大于13×10 -6 /℃。

    Glass-ceramic substrate for a magnetic information recording medium
    4.
    发明授权
    Glass-ceramic substrate for a magnetic information recording medium 有权
    用于磁信息记录介质的玻璃陶瓷基片

    公开(公告)号:US06387509B1

    公开(公告)日:2002-05-14

    申请号:US09253963

    申请日:1999-02-22

    IPC分类号: C03C1012

    摘要: A glass-ceramic substrate for a magnetic information recording medium contains, as a main crystal phase or phases, one or more crystal phases selected from the group consisting of &bgr;-quartz (&bgr;-SiO2), &bgr;-quartz solid solution (&bgr;-SiO2 solid solution), &bgr;-spodumene (&bgr;-Li2O.Al2O3.4SiO2), &bgr;-spodumene solid solution (&bgr;-Li2O.Al2O3.4SiO2 solid solution), &bgr;-eucryptite (&bgr;-Li2O.Al2O3.2SiO2, a part of Li2O being capable of being substituted by MgO and/or ZnO) and &bgr;-eucryptite solid solution (&bgr;-Li2O.Al2O3.2SiO2 solid solution, a part of Li2O being capable of being substituted by MgO and/or ZnO). Alternatively, the glass-ceramic contains, as a main crystal phase or phases, gahnite (ZnAl2O4) and/or gahnite solid solution (ZnAl2O4 solid solution). The glass-ceramic substrate has a high heat resisting property and a super flat surface capable of achieving a high recording density according to the perpendicular magnetic recording.

    摘要翻译: 用于磁信息记录介质的玻璃陶瓷衬底包含一个或多个选自β-石英(β-SiO 2),β-石英固溶体(β-SiO 2)的晶相作为主晶相或相 固体溶液),β-锂辉石(β-Li2O.Al2O3.4SiO2),β-锂辉石固溶体(β-Li2O.Al2O3.4SiO2固溶体),β-锂辉石(β-Li2O.Al2O3.2SiO2,部分Li2O 能够被MgO和/或ZnO取代)和β-堇红石固溶体(β-Li2O.Al2O3.2SiO2固溶体,Li2O的一部分能够被MgO和/或ZnO取代)。 或者,玻璃陶瓷含有作为主要结晶相或相的高锰矿(ZnAl2O4)和/或高锰矿固溶体(ZnAl2O4固溶体)。 玻璃陶瓷基板具有高的耐热性能和能够根据垂直磁记录获得高记录密度的超平坦表面。

    Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor
    5.
    发明授权
    Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor 失效
    Li2O-Al2O3-SiO2结晶玻璃和可结晶玻璃

    公开(公告)号:US06413906B1

    公开(公告)日:2002-07-02

    申请号:US09626746

    申请日:2000-07-27

    IPC分类号: C03C1012

    CPC分类号: C03C10/0027

    摘要: Li2O—Al2O3—SiO2 crystallized glass is provided which has clarity and glass characteristics equivalent to or superior to a conventional crystallized glass, even when the content of As2O3 is decreased. The Li2O—Al2O3—SiO2 crystallized glass contains, by weight, 0.05 to 4% Sb2O3, in which the content of &bgr;-OH is 0.3 to 4/mm.

    摘要翻译: 提供Li2O-Al2O3-SiO2结晶玻璃,其具有与常规结晶玻璃相当或优于常规结晶玻璃的透明度和玻璃特性,即使As2O3含量降低。 Li 2 O-Al 2 O 3 -SiO 2结晶玻璃含有0.05〜4重量%的Sb 2 O 3,其中β-OH的含量为0.3〜4 / mm。

    Glass material and glass ceramic product
    7.
    发明授权
    Glass material and glass ceramic product 有权
    玻璃材料和玻璃陶瓷制品

    公开(公告)号:US06689704B2

    公开(公告)日:2004-02-10

    申请号:US09821791

    申请日:2001-03-29

    IPC分类号: C03C1012

    摘要: A SiO2—Al2O3—Li2O component-based glass material, which comprises, as basic components, SiO2: 60-63 wt %; Al2O3: 23-25 wt %; and Li2O: 4-5 wt % and, as modifying components, ZrO2: 1.5-2.5 wt %; TiO2: 0.5-2.5 wt %; MgO: 0.5-1.5 wt %; ZnO: 0.5-1.2 wt %; Na2O: 0.5-2.0 wt %; and K2O: 0.5-2.0 wt %, and further comprises any one of BaO: 0.5-1.0 wt, CaO: 1.0-2.0 wt %, and B2O3: 0.01-1.0 wt %. This can be reheat-formed in a glass state and has a low thermal expansion coefficient.

    摘要翻译: 作为基本成分的SiO 2·Al 2 O 3·Li 2 O成分为基础的玻璃材料为SiO 2:60〜63重量% Al2O3:23-25重量% 和Li 2 O:4-5重量%,作为改性成分,ZrO 2:1.5〜2.5重量% TiO 2:0.5〜2.5重量% MgO:0.5〜1.5重量% ZnO:0.5-1.2重量% Na2O:0.5-2.0重量% K2O:0.5〜2.0重量%,进一步含有BaO:0.5〜1.0重量%,CaO:1.0〜2.0重量%,B 2 O 3:0.01〜1.0重量%。 这可以在玻璃状态下重新加热并具有低的热膨胀系数。

    Negative thermal expansion glass ceramic and method for producing the same
    8.
    发明授权
    Negative thermal expansion glass ceramic and method for producing the same 失效
    负热膨胀玻璃陶瓷及其制造方法

    公开(公告)号:US06506699B1

    公开(公告)日:2003-01-14

    申请号:US09418754

    申请日:1999-10-15

    IPC分类号: C03C1012

    摘要: A negative thermal expansion glass ceramic having a negative coefficient of thermal expansion, which is a sufficiently large absolute value in a temperature range of −40° C. to +160° C. and a method for producing the same are provided. The negative thermal expansion glass ceramic has a coefficient of thermal expansion of −25 to −100×10−7/° C. in the temperature range of −40° C. to +160° C., and comprises main crystalline phases which are one or more types selected from a group consisting of &bgr;-eucryptite solid solution (&bgr;-Li2O.Al2O3.2SiO2 solid solution), &bgr;-eucryptite (&bgr;-Li2O.Al2O3.2SiO2), &bgr;-quartz solid solution (&bgr;-SiO2 solid solution), and &bgr;-quartz (&bgr;-SiO2), wherein a total amount of crystals of the main crystalline phases can be 70 to 100% in mass percent.

    摘要翻译: 提供了在-40℃至+ 160℃的温度范围内具有足够大的绝对值的负热膨胀系数的负热膨胀玻璃陶瓷及其制造方法。 负热膨胀玻璃陶瓷在-40℃至+ 160℃的温度范围内具有-25至-100×10-7 /℃的热膨胀系数,并且包括主晶相,其为一个或 更多的类型选自由β-锂堇青石固溶体(β-Li2O.Al2O3.2SiO2固溶体),β-锂钇(β-Li2O.Al2O3.2SiO2),β-石英固溶体(β-SiO2固溶体) 和β-石英(β-SiO 2),其中主结晶相的晶体的总量可以以质量百分比为70〜100%。

    Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor
    9.
    发明授权
    Li2O-Al2O3-SiO2 crystallized glass and crystallizable glass therefor 失效
    Li2O-Al2O3-SiO2结晶玻璃和可结晶玻璃

    公开(公告)号:US06472338B1

    公开(公告)日:2002-10-29

    申请号:US09626750

    申请日:2000-07-27

    IPC分类号: C03C1012

    摘要: Li2O—Al2O3—SiO2 crystallized glass is provided which has clarity and glass characteristics equivalent to or superior to a conventional crystallized glass, even when the content of As2O3 is decreased. The Li2O—Al2O3—SiO2 crystallized glass consists essentially of, by weight, 60 to 75% SiO2, 17 to 27% Al2O3, 3 to 5% Li2O, 0 to 0.9% MgO, 0 to 0.9% ZnO, 0.3 to 5% BaO, 0 to 3% Na2O, 0 to 3% K2O, 0 to 4% TiO2, 1 to 4% ZrO2, 0 to 4% P2O5, 0.05 to 2% Sb2O3, 0 to 0.9% MgO+ZnO, and 0 to 4% Na2O+K2O.

    摘要翻译: 提供Li2O-Al2O3-SiO2结晶玻璃,其具有与常规结晶玻璃相当或优于常规结晶玻璃的透明度和玻璃特性,即使As2O3含量降低。 Li 2 O-Al 2 O 3 -SiO 2结晶玻璃基本上由以重量计组成的60至75%的SiO 2,17至27%的Al 2 O 3,3至5%的Li 2 O,0至0.9%的MgO,0至0.9%的ZnO,0.3至5%的BaO ,0〜3%的Na 2 O,0〜3%的K 2 O,0〜4%的TiO 2,1〜4%的ZrO 2,0〜4的P 2 O 5,0.05〜2的Sb 2 O 3,0〜0.9的MgO + ZnO,0〜4质量% Na2O + K2O。

    Athermal optical device
    10.
    发明授权
    Athermal optical device 有权
    光热器件

    公开(公告)号:US06465380B1

    公开(公告)日:2002-10-15

    申请号:US09693446

    申请日:2000-10-20

    IPC分类号: C03C1012

    摘要: An athermal optical device and a method for producing the device, such as an athermal optical fiber reflective grating, are described. The athermal optical fiber reflective grating device comprises a negative expansion substrate, an optical fiber mounted on the substrate surface, and a grating defined in the optical fiber. The method for producing the athermal optical fiber reflective grating device comprises providing a negative expansion substrate, mounting an optical fiber with at least one reflective grating defined therein onto the substrate upper surface, and affixing the optical fiber to the substrate at at least two spaced apart locations.

    摘要翻译: 描述了一种无热光学器件及其制造方法,如无热光纤反射光栅。 无热光纤反射光栅装置包括负扩展基板,安装在基板表面上的光纤和光纤中限定的光栅。 制造无光纤光纤反射光栅装置的方法包括提供负扩展基板,将其中限定有至少一个反射光栅的光纤安装在基板上表面上,并将光纤以至少两个间隔开的方式固定到基板 位置。