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    • 55. 发明授权
    • Low expansion transparent glass-ceramics, glass-ceramic substrate and optical waveguide element
    • 低膨胀透明玻璃陶瓷,玻璃陶瓷基板和光波导元件
    • US07148164B2
    • 2006-12-12
    • US09841614
    • 2001-04-24
    • Hiroyuki MinamikawaKazuo OharaNaoyuki Goto
    • Hiroyuki MinamikawaKazuo OharaNaoyuki Goto
    • C03C10/14C03C10/12
    • G02B6/1203C03C10/0045G02B6/132G02B2006/12038
    • There are provided low expansion transparent glass-ceramics obtained by heat treating a base glass produced at a relatively low melting temperature of 1530° C. or below. The glass-ceramics have an average linear thermal expansion coefficient within a range from +6×10−7/° C. to +35×10−7/° C., 80% transmittance wavelength (T80) of 700 nm or below, internal transmittance of 75% or over at light wavelength of 1550 nm, heat resisting temperature of 800° C. or over and Young's modulus of 90 GPa or over. The glass-ceramics comprise SiO2, Al2O3, MgO, CaO, BaO, ZnO, Li2O, TiO2 and ZrO2 and contain β-quartz or β-quartz solid solution as a predominant crystal phase. There are also provided optical waveguide elements and an arrayed waveguide grating (AWG) type planar lightwave circuit utilizing these glass-ceramics.
    • 提供了通过对在1530℃以下的较低熔点下制造的基础玻璃进行热处理得到的低膨胀透明玻璃陶瓷。 玻璃陶瓷的平均线性热膨胀系数在+ 6×10 -7 /℃至+ 35×10 -7 /℃的范围内,80%的透光率 700nm以下的波长(T 80 N),在1550nm的光波长下的内透射率为75%以上,耐热温度为800℃以上,杨氏模量为90GPa以上 。 玻璃陶瓷包括SiO 2,Al 2 O 3 3,MgO,CaO,BaO,ZnO,Li 2 O 3 > O,TiO 2和ZrO 2,并且含有作为主要结晶相的β-石英或β-石英固溶体。 还提供了使用这些玻璃陶瓷的光波导元件和阵列波导光栅(AWG)型平面光波电路。
    • 57. 发明申请
    • Zinc oxide-alumina-silica-based crystallized glass
    • 氧化锌 - 氧化铝 - 二氧化硅基结晶玻璃
    • US20050255984A1
    • 2005-11-17
    • US11150906
    • 2005-06-13
    • Takashi OtaKazuki Ootou
    • Takashi OtaKazuki Ootou
    • F21V7/22G02B5/10C03C10/12C03C10/14
    • C03C10/00C03C3/085C03C3/097C03C10/0036F21V7/22G02B5/10
    • A zinc oxide-alumina-silica-based crystallized glass containing zinc oxide, alumina and silica as main components, and zirconia as a nucleating agent, the main components comprising at a ratio of 20-30% by mass of zinc oxide, 15-25% by mass of alumina and 50-60% by mass of silica, the main components amounting to 100% by mass in total, the nucleating agent being contained in an amount of 3-6 parts by mass based on 100 parts by mass of the main components, and at least one component selected from the group consisting of lithium oxide, sodium oxide, potassium oxide, diphosphorus pentoxide, niobium oxide and tantalum oxide being contained as a modification component in addition to the main components and the nucleating agent.
    • 以氧化锌,氧化铝,二氧化硅为主要成分的氧化锌 - 氧化铝 - 二氧化硅系结晶玻璃,氧化锆为成核剂,主要成分为氧化锌20〜30质量%,氧化锌15-25重量% 氧化铝质量百分比和二氧化硅50-60质量%,主要成分总计为100质量%,相对于100质量份,成核剂的含量为3-6质量份 除了主要成分和成核剂以外,还含有选自由氧化锂,氧化钠,氧化钾,五氧化二磷,氧化铌,氧化钽组成的组中的至少一种成分作为改性成分。
    • 58. 发明申请
    • Melamine dinnerware
    • 三聚氰胺餐具
    • US20050109779A1
    • 2005-05-26
    • US10846283
    • 2004-05-13
    • Yu-Chiao Tseng
    • Yu-Chiao Tseng
    • A47G19/02B65D1/40B65D21/02C03C10/12
    • A47G19/02B65D1/40
    • A piece of melamine dinnerware includes an outer body made of melamine resin molding compound and an inner body made of stainless steel. The outer body has a bottom and a circumferential wall extending, up from the bottom, and the upper annular edge of the circumferential wall is covered with a leak-preventing ring. The inner body has a bottom and a circumferential wall extending up from the bottom. Then the inner body is placed in the outer body, with the upper edge of the inner body stably resting on the upper edge of the outer body, and with the leak-preventing ring hampering water from flowing or seeping through into a gap formed between the outer body and the inner body.
    • 一块三聚氰胺餐具包括由三聚氰胺树脂模塑料制成的外壳和由不锈钢制成的内体。 外体具有从底部向上延伸的底部和周壁,并且周壁的上环形边缘被防漏环覆盖。 内体具有从底部向上延伸的底部和周向壁。 然后,内体被放置在外体中,内体的上边缘稳定地保持在外体的上边缘上,并且防漏环阻止水流入或渗透到形成在所述外体之间的间隙中 外身和内身。
    • 59. 发明申请
    • Method and apparatus for ceramizing the starting glass of glass-ceramics
    • 陶瓷起始玻璃陶瓷的方法和设备
    • US20050103056A1
    • 2005-05-19
    • US10935380
    • 2004-11-26
    • Ulrich FotheringhamHauke EsemannBernd HoppeRudiger SprengardMichael KlugeFalk Gabel
    • Ulrich FotheringhamHauke EsemannBernd HoppeRudiger SprengardMichael KlugeFalk Gabel
    • C03B29/02C03B32/02C03C10/12C03C10/00
    • C03C10/00C03B29/025C03B32/02
    • The invention relates to a method for ceramizing starting glass of glass-ceramics into glass-ceramics, comprising at least the following steps: 1.1 the starting glass is heated from an initial temperature T1 to a temperature T2 which is disposed above the glass transformation temperature TG at which crystallization nuclei are precipitated; 1.2 the glass is held at the temperature T2 for a period t2 for the precipitation of crystallization nuclei; 1.3 the glass is further heated to a temperature T3 at which a crystal phase grows on the nuclei formed following step 1.1 and 1.2; 1.4 the glass is held for period t3 at a temperature T3 or heated during this period to a higher temperature T4 until the predetermined properties of the glass-ceramics have been reached; 1.5 the control of the temperature curve is performed with the help of a control loop comprising at least one temperature sensor for sensing the temperature and a heating unit as an actuator. The invention is characterized in that 1.6 the heating unit comprises IR radiators for heating the glass to be relaxed with a thermal dead time of less than 10 secs., especially
    • 本发明涉及将玻璃陶瓷的起始玻璃陶瓷化成玻璃陶瓷的方法,该方法至少包括以下步骤:1.1将起始玻璃从初始温度T 1加热至温度T < 其设置在结晶细胞核沉淀的玻璃化转变温度T N G以上; 1.2玻璃在温度T 2℃下保持晶体沉淀的时间t2℃; 1.3玻璃被进一步加热到晶相在步骤1.1和1.2之后形成的核上生长的温度T 3 3; 1.4玻璃在温度T 3 3保持期间t 3 3或在此期间加热到较高温度T 4,直到预定的性质 的玻璃陶瓷已经达到; 借助于包括用于感测温度的至少一个温度传感器和作为致动器的加热单元的控制回路来执行温度曲线的控制。 本发明的特征在于,加热单元包括用于加热玻璃以放热的红外辐射器,其热死时间小于10秒,特别是<5秒。