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    • 32. 发明授权
    • Catheter balloon
    • 导管气球
    • US07195638B1
    • 2007-03-27
    • US10331858
    • 2002-12-30
    • Srinivasan Sridharan
    • Srinivasan Sridharan
    • A61M29/00
    • A61M25/104A61M2025/1075
    • An expandable medical device or component thereof including a tubular body formed of a wrapped sheet of porous polymeric material fused together, the tubular body having a fused seam at an angle relative to the longitudinal axis of the tubular body which changes along the length of the tubular body from a first angle to a second angle greater than the first angle. The sheet of porous polymeric material is wound and then fused together such that the winding angle is less in a first longitudinal section of the tubular body compared with the winding angle in a second longitudinal section of the tubular body, in order to provide the second section with greater resistance to expansion (i.e., lower compliance) than the first section.
    • 一种可扩张的医疗装置或其部件,包括一个管状体,该管状体由一层多孔聚合物材料形成,该多孔聚合物材料熔合在一起,该管状体具有相对于该管状体的纵向轴线成一定角度的熔融接缝, 主体从第一角度到大于第一角度的第二角度。 多孔聚合物材料片被卷绕并熔合在一起,使得与管状体的第二纵向部分中的缠绕角度相比,在管状体的第一纵向部分中卷绕角度较小,以便提供第二部分 与第一部分相比,具有更大的抗膨胀性(即较低的柔顺性)。
    • 35. 发明授权
    • High temperature sealing glass
    • 高温密封玻璃
    • US6124224A
    • 2000-09-26
    • US145112
    • 1998-09-02
    • Srinivasan SridharanTack J. WhangGordon J. Roberts
    • Srinivasan SridharanTack J. WhangGordon J. Roberts
    • C03C8/24C03C8/14
    • C03C8/24
    • The present invention provides high temperature sealing glass compositions for use in producing mechanically and chemically durable electrically insulating hermetic glass seals between materials such as zirconia, alumina, fosterite, steatite, carbon steels, stainless steels, and superalloys. High temperature sealing glass compositions according to the present invention include a glass component and optional vehicles. The glass component includes one or more glass frits containing in weight percent from about 17% to about 56% BaO+SrO, from about 18% to about 60% SiO.sub.2, from about 6% to about 36% B.sub.2 O.sub.3, from about 2% to about 32% Al.sub.2 O.sub.3, from about 0% to about 25% CaO plus MgO, from about 0% to about 20% Y.sub.2 O.sub.3, from about 0% to about 7% ZrO.sub.2, from about 0% to about 3% alkali oxides, from about 0% to about 5% Co.sub.3 O.sub.4, from about 0% to about 5% NiO, and from about 0% to about 3% MoO.sub.3. Upon firing, high temperature sealing glass compositions of the present invention produce mechanically and chemically durable hermetic glass seals which exhibit electrical resistance of greater than about 30 megaohms when measured at room temperature.
    • 本发明提供了高温密封玻璃组合物,用于在诸如氧化锆,氧化铝,福斯特,滑石,碳钢,不锈钢和超级合金的材料之间生产机械和化学耐久的电绝缘的密封玻璃密封。 根据本发明的高温密封玻璃组合物包括玻璃组分和任选的载体。 该玻璃组分包括一种或多种玻璃料,其重量百分比含有约17%至约56%的BaO + SrO,约18%至约60%的SiO 2,约6%至约36%的B 2 O 3,约2%至 约32%的Al 2 O 3,约0%至约25%的CaO加MgO,约0%至约20%的Y 2 O 3,约0%至约7%的ZrO 2,约0%至约3%的碱金属氧化物, 0%至约5%的Co 3 O 4,约0%至约5%的NiO和约0%至约3%的MoO 3。 在烧制时,本发明的高温密封玻璃组合物产生机械和化学耐久的密封玻璃密封件,其在室温下测量时表现出大于约30兆欧姆的电阻。
    • 36. 发明授权
    • Porcelain enamel composition for electronic applications
    • 瓷搪瓷组合物用于电子应用
    • US5998037A
    • 1999-12-07
    • US995584
    • 1997-12-22
    • Srinivasan SridharanWilliam D. FaustGordon J. Roberts
    • Srinivasan SridharanWilliam D. FaustGordon J. Roberts
    • C03C3/064C03C8/02H05K1/05B32B9/00C03C3/066
    • H05K1/053C03C3/064C03C8/02C03C2207/04
    • The present invention provides a new and improved coating composition for use in forming a dielectric layer upon a section of metal upon firing. The coating composition includes a glass composition, said glass composition comprising in weight percent a combined weight of BaO and SrO of from about 15% to about 75%, from about 5% to about 35% B.sub.2 O.sub.3, from about 10% to about 40% SiO.sub.2, up to about 10% Al.sub.2 O.sub.3, up to about 7% Co.sub.3 O.sub.4, up to about 20% ZnO, up to about 20% TiO.sub.2, up to about 7% P.sub.2 O.sub.5, up to about 7% CuO, up to about 7% Fe.sub.2 O.sub.3, up to about 7% NiO, a combined weight of SnO, MoO.sub.3, WO.sub.3, Sb.sub.2 O.sub.5, of up to about 20%, up to about 20% Bi.sub.2 O.sub.3, a combined weight of up to about 20% Nb.sub.2 O.sub.5, La.sub.2 O.sub.3, Y.sub.2 O.sub.3 and CeO.sub.2, up to about 5% ZrO.sub.2, up to about 20% CaO, up to about 5% MgO, up to about 2% As.sub.2 O.sub.3 and a combined weight of up to about 3% Li.sub.2 O, Na.sub.2 O and K.sub.2 O.
    • 本发明提供了一种新的和改进的涂料组合物,用于在烧制时在一段金属上形成电介质层。 涂料组合物包括玻璃组合物,所述玻璃组合物以重量百分比计包含约15%至约75%,约5%至约35%的B 2 O 3,约10%至约40%的BaO和SrO的组合重量, SiO 2,至多约10%的Al 2 O 3,至多约7%的Co 3 O 4,至多约20%的ZnO,至多约20%的TiO 2,至多约7%的P 2 O 5,至多约7%的CuO,至多约7%的Fe 2 O 3 ,高达约7%的NiO,SnO,MoO 3,WO 3,Sb 2 O 5的组合重量,最多约20%,至多约20%Bi 2 O 3,组合重量至多约20%的Nb 2 O 5,La 2 O 3,Y 2 O 3和CeO 2 ,高达约5%的ZrO 2,至多约20%的CaO,至多约5%的MgO,至多约2%的As 2 O 3和最多约3%的Li 2 O,Na 2 O和K 2 O的组合重量。