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    • 31. 发明申请
    • PIEZOELECTRIC MATERIAL
    • 压电材料
    • US20090026408A1
    • 2009-01-29
    • US12135980
    • 2008-06-09
    • Kaoru MiuraToshihiro IfukuKenichi TakedaTetsuro FukuiHiroshi Funakubo
    • Kaoru MiuraToshihiro IfukuKenichi TakedaTetsuro FukuiHiroshi Funakubo
    • H01L41/187
    • H01L41/1871H01L41/43
    • The present invention provides a piezoelectric material which can be applied even to the MEMS technique, exhibits satisfactory piezoelectricity even at high ambient temperatures and is environmentally clean, namely, a piezoelectric material including an oxide obtained by forming a solid solution composed of two perovskite oxides A(1)B(1)O3 and A(2)B(2)O3 different from each other in crystalline phase, the oxide being represented by the following general formula (1): X{A(1)B(1)O3}−(1−X){A(2)B(2)O3}  (1) wherein “A(1)” and “A(2)” are each an element including an alkali earth metal and may be the same or different from each other; “B(1)” and “B(2)” each include two or more metal elements, and either one of “B(1)” and “B(2)” contains Cu in a content of 3 atm % or more; and “X” satisfies the relation 0
    • 本发明提供一种甚至可以应用于MEMS技术的压电材料,即使在高环境温度下也表现出令人满意的压电性,并且是环境清洁的,即包括通过形成由两种钙钛矿氧化物A形成的固溶体获得的氧化物的压电材料 (1)在结晶相中彼此不同的B(1)O 3和A(2)B(2)O 3,所述氧化物由以下通式(1)表示:<?in-line-formula description =“In (1)B(1)O3} - (1-X){A(2)B(2)O3}(1)<?在线公式 description =“In-line Formulas”end =“tail”?>其中“A(1)”和“A(2)”分别是包含碱土金属的元素,可以相同或不同; “B(1)”和“B(2)”各自包含两个或更多个金属元素,“B(1)”和“B(2)”中的任一个含有3atm%以上的Cu; 和“X”满足0
    • 38. 发明授权
    • Toner for developing an electrostatic image and process for producing a
toner
    • 用于显影静电图像的调色剂和用于生产调色剂的方法
    • US5985502A
    • 1999-11-16
    • US994030
    • 1997-12-18
    • Yasukazu AyakiTakeshi IkedaTetsuro FukuiYoshinobu BabaHitoshi Itabashi
    • Yasukazu AyakiTakeshi IkedaTetsuro FukuiYoshinobu BabaHitoshi Itabashi
    • G03G9/08G03G9/087
    • G03G9/0806G03G9/0819G03G9/0821G03G9/08795
    • A toner has at least 100 parts by weight of binder resin and 0.1 to 15 parts by weight of colorant. The toner has a number average particle size (Dn) of 0.5 to 6.0 .mu.m, a particle size distribution coefficient (volume average particle size (Dv) / number average particle size (Dn)) of 1.0 to 1.3 and a variation coefficient of particle number distribution of 20% or less.The toner contains 0.1 to 5.0% by weight of methanol-soluble resin component extracted by the first Soxhlet extraction with methanol and 50 to 99% by weight of THF-soluble resin component extracted by a second Soxhlet extraction with tetrahydrofuran (THF) after the Soxhlet extraction with methanol, wherein the maximum glass transition point (Tg.sub.2) of the methanol-soluble resin component and the glass transition point (Tg.sub.1) of the THF-soluble resin component satisfies the following relation;0 (.degree. C.)
    • 调色剂具有至少100重量份的粘合剂树脂和0.1至15重量份的着色剂。 调色剂的数均粒径(Dn)为0.5〜6.0μm,粒径分布系数(体积平均粒径(Dv)/数均粒径(Dn))为1.0〜1.3,粒子的变异系数 数量分布在20%以下。 调色剂含有0.1至5.0重量%的甲醇可溶性树脂组分,通过第一次索格利特甲醇萃取提取甲醇溶解树脂组分,以及50至99重量%的THF可溶性树脂组分,经索氏提取后通过第四次索格利特萃取 用甲醇萃取,其中甲醇可溶性树脂组分的最大玻璃化转变温度(Tg2)和THF可溶性树脂组分的玻璃化转变温度(Tg1)满足以下关系: 0(℃)