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    • 7. 发明申请
    • TRANSLUCENT CERAMIC AND ELECTRO-OPTICAL COMPONENT
    • 透明陶瓷和电光元件
    • US20090062107A1
    • 2009-03-05
    • US12274441
    • 2008-11-20
    • Teppei Kubota
    • Teppei Kubota
    • C04B35/495
    • C04B35/495C04B35/62695C04B2235/3201C04B2235/3206C04B2235/3213C04B2235/3215C04B2235/3227C04B2235/3284C04B2235/3293C04B2235/3298C04B2235/604C04B2235/6585C04B2235/765C04B2235/81C04B2235/9653G02F1/055G02F2203/01
    • A translucent ceramic contains a main component composed of a tungsten-bronze-type compound represented by a general formula {(Sr, Ba)NbvOw} (wherein v satisfies the relationship 1.8≦v≦2.2 and w represents a positive number for maintaining electrical neutrality), wherein some Nb atoms are replaced with atoms of at least one of Zn and Mg, and the replacement ratio is 0.004 or more in terms of the molar ratio. It is preferable that at least one of Sn and Bi is added in an amount of 0.15 parts by weight or more in terms of SnO2 and Bi2O3, respectively, to 100 parts by weight of the main component, and that the molar ratio of Ba in the (Sr, Ba) site is in the range of 0.25 to 0.50. It is also preferable that the translucent ceramic contains Na in an amount of less than 25 parts by mole relative to 100 parts by mole of the sum of Sr and Ba, or La in an amount of less than 11 moles relative to 100 parts by mole of the sum of Sr and Ba. Accordingly, a translucent ceramic which is inexpensive and which is useful as an electro-optical material and an electro-optical component, such as an optical switch or an optical shutter, including the translucent ceramic can be realized.
    • 半透明陶瓷含有由通式{(Sr,Ba)NbvOw}表示的钨青铜型化合物构成的主要成分(其中v满足关系1.8 <= v <= 2.2,w表示维持正数 电中性),其中一些Nb原子被Zn和Mg中的至少一种的原子替代,换算比以摩尔比计为0.004以上。 优选以SnO 2和Bi 2 O 3换算为0.15重量份以上的Sn和Bi中的至少一种添加到100重量份的主成分中,并且Ba的摩尔比 (Sr,Ba)位置在0.25至0.50的范围内。 还优选半透明陶瓷含有相对于100份摩尔相对于100摩尔%的Sr和Ba的总量小于25摩尔的La或小于11摩尔的La, 的Sr和Ba的总和。 因此,可以实现便宜并且可用作电光材料的半透明陶瓷和包括半透明陶瓷的诸如光学开关或光学快门的电光部件。
    • 9. 发明授权
    • Translucent ceramic and electro-optical component
    • 半透明陶瓷和电光元件
    • US07674738B2
    • 2010-03-09
    • US12274441
    • 2008-11-20
    • Teppei Kubota
    • Teppei Kubota
    • C04B35/495
    • C04B35/495C04B35/62695C04B2235/3201C04B2235/3206C04B2235/3213C04B2235/3215C04B2235/3227C04B2235/3284C04B2235/3293C04B2235/3298C04B2235/604C04B2235/6585C04B2235/765C04B2235/81C04B2235/9653G02F1/055G02F2203/01
    • A translucent ceramic contains a main component composed of a tungsten-bronze-type compound represented by a general formula {(Sr, Ba)NbvOw} (wherein v satisfies the relationship 1.8≦v≦2.2 and w represents a positive number for maintaining electrical neutrality), wherein some Nb atoms are replaced with atoms of at least one of Zn and Mg, and the replacement ratio is 0.004 or more in terms of the molar ratio. It is preferable that at least one of Sn and Bi is added in an amount of 0.15 parts by weight or more in terms of SnO2 and Bi2O3, respectively, to 100 parts by weight of the main component, and that the molar ratio of Ba in the (Sr, Ba) site is in the range of 0.25 to 0.50. It is also preferable that the translucent ceramic contains Na in an amount of less than 25 parts by mole relative to 100 parts by mole of the sum of Sr and Ba, or La in an amount of less than 11 moles relative to 100 parts by mole of the sum of Sr and Ba. Accordingly, a translucent ceramic which is inexpensive and which is useful as an electro-optical material and an electro-optical component, such as an optical switch or an optical shutter, including the translucent ceramic can be realized.
    • 半透明陶瓷含有由通式{(Sr,Ba)NbvOw}表示的钨青铜型化合物构成的主要成分(其中,v满足关系1.8&nlE; v&nlE; 2.2,w表示保持电气的正数 中性),其中一些Nb原子被Zn和Mg中的至少一种的原子替代,换算比以摩尔比计为0.004以上。 优选以SnO 2和Bi 2 O 3换算为0.15重量份以上的Sn和Bi中的至少一种添加到100重量份的主成分中,并且Ba的摩尔比 (Sr,Ba)位置在0.25至0.50的范围内。 还优选半透明陶瓷含有相对于100份摩尔相对于100摩尔%的Sr和Ba的总量小于25摩尔的La或小于11摩尔的La, 的Sr和Ba的总和。 因此,可以实现便宜并且可用作电光材料的半透明陶瓷和包括半透明陶瓷的诸如光学开关或光学快门的电光部件。
    • 10. 发明授权
    • Platinum temperature sensor
    • 白金温度传感器
    • US5294910A
    • 1994-03-15
    • US901264
    • 1992-06-19
    • Hiroji TaniTeppei KubotaTohru KasanamiKazuto Miyagawa
    • Hiroji TaniTeppei KubotaTohru KasanamiKazuto Miyagawa
    • G01K7/18H01C1/142H01C1/012H01C1/148
    • G01K7/183H01C1/142
    • A platinum temperature sensor includes a meandering pattern portion and outlet portions continuously connected to respective ends thereof which are defined by a platinum film which is formed on an insulating substrate. External electrodes are formed to cover the outlet portions as well as the ends of the insulating substrate provided with the outlet portions. Each of the external electrodes comprises a first layer containing platinum or nickel which is in contact with the outlet portion and with the insulating substrate, a second layer containing silver and platinum which is formed on the first layer, a third layer containing nickel which is formed on the second layer, and a fourth layer containing tin or solder which is formed on the third layer. The first layer suppresses diffusion of silver contained in the second layer, and the third layer improves heat resistance of the second layer, while the fourth layer improves solderability.
    • 铂温度传感器包括蜿蜒图案部分和连续连接到其各自端部的出口部分,其由形成在绝缘基底上的铂膜限定。 外部电极形成为覆盖出口部分以及设置有出口部分的绝缘基板的端部。 每个外部电极包括含有与出口部分和绝缘基板接触的铂或镍的第一层,包含形成在第一层上的含有银和铂的第二层,包含镍的第三层 以及形成在第三层上的包含锡或焊料的第四层。 第一层抑制包含在第二层中的银的扩散,并且第三层改善第二层的耐热性,而第四层提高了可焊性。