압전 세라믹 조성물
    4.
    发明授权
    압전 세라믹 조성물 有权
    压电陶瓷组合物

    公开(公告)号:KR101176502B1

    公开(公告)日:2012-08-24

    申请号:KR1020110047242

    申请日:2011-05-19

    Abstract: PURPOSE: A piezoelectric ceramic composition is provided to have large value of piezo-electric constant, mechanical quality factor and electromechanical coupling coefficient by adding either a sintering aid or both the sintering aid and donor. CONSTITUTION: A piezoelectric ceramic composition comprises a compound which is represented by chemical formula 1 and CuO. The chemical formula 1 is as follows: XPb (ZraTib) O3- YPb (AlcNbd) O3- ZPb (MneSbf) O3. In the chemical formula 1, X+Y+Z=1, 0.8

    Abstract translation: 目的:提供压电陶瓷组合物,通过添加烧结助剂或烧结助剂和供体两者,具有较大的压电常数值,机械品质因数和机电耦合系数。 构成:压电陶瓷组合物包含由化学式1和CuO表示的化合物。 化学式1如下:XPb(ZraTib)O3-YPb(AlcNbd)O3-ZPb(MneSbf)O3。 在化学式1中,X + Y + Z = 1,0.8 <= X <1.0,0.04 <= Y <= 0.1,0.04 <= Z <= 0.1,a + b = 1,0.4 <= a <= 0.6 ,0.4 <= b <= 0.6,c + d = 1,0.2 <= c <= 0.4,0.6 <= d <= 0.8,e + f = 1,0.2 <= e <= 0.4,0.6 < = 0.8。 基于组合物的总重量,包括0.5-2.0重量%或1.5重量%的CuO。 压电陶瓷组合物由化学式2表示。化学式2如下:0.9Pb(Zr0.48Ti0.52)O3-0.05Pb(Al1 / 3Nb2 / 3)O3-0.05Pb(Mn1 / 3Sb2 / 3) O3。 该组合物另外包括La 2 O 3。 基于组合物的总重量包含0-0.5重量%的La 2 O 3。

    고밀도의 압전 후막의 제조 방법
    5.
    发明授权
    고밀도의 압전 후막의 제조 방법 有权
    制造高密度压电厚膜的方法

    公开(公告)号:KR101059750B1

    公开(公告)日:2011-08-26

    申请号:KR1020090083182

    申请日:2009-09-03

    Abstract: 본 발명은 (1) 바인더 및 마찰 분쇄된 세라믹 입자를 포함하는 압전 세라믹 입자를 함유하는 페이스트를 준비하는 단계; (2) 상부 표면에 하부 전극이 형성되어 있는 기판 상에 상기 페이스트를 스크린 프린팅하는 단계; (3) 상기 스크린 프린팅된 페이스트로부터 바인더를 제거하는 단계; 및 (4) 바인더가 제거된 기판을 어닐링하는 단계를 포함하는 압전 세라믹 후막의 제조 방법을 제공한다. 또한, 상기 단계 (3)의 전 또는 후에, 냉간 등방향 정압 프레스(CIP) 단계 (3')을 더 포함하는 것인 압전 세라믹 후막의 제조 방법을 제공한다.
    압전 후막, 압전 세라믹 입자, 냉간 등방향 정압 프레스, 스크린 프린팅, 마찰 분쇄, 급속열처리

    Abstract translation: (1)制备含有压电陶瓷颗粒的糊剂,该压电陶瓷颗粒包含粘合剂和摩擦研磨的陶瓷颗粒; (2)将糊剂丝网印刷在其上表面上形成有下电极的基板上; (3)从丝网印刷的糊中除去粘合剂; (4)对除去了粘合剂的基板进行退火,本发明还提供一种压电陶瓷厚膜的制造方法。 该方法还包括在步骤(3)之前或之后进行冷等静压(CIP)(3')的步骤。

    무연계 압전 세라믹스 및 그의 제조방법
    6.
    发明公开
    무연계 압전 세라믹스 및 그의 제조방법 有权
    无铅压电陶瓷及其制备方法

    公开(公告)号:KR1020110015713A

    公开(公告)日:2011-02-17

    申请号:KR1020090073069

    申请日:2009-08-10

    Abstract: PURPOSE: A method for manufacturing Pb-free piezoelectric ceramic is provided to improve sinterability, crytallien property, and piezoelectric characteristic. CONSTITUTION: A Pb-free piezoelectric ceramic has perovskite structure of chemical formula 1. A method for manufacturing the Pb-free piezoelectric ceramic comprises: a step of mixing Na_2CO_3, K_2CO_3, Nb_2O_5, BaCO_3, SrCO_3 and TiO2; a step of pulverizing by ball milling and drying; a step of calcining at 600-1100°C for 1-10 hours; a step of re-pulverizing calcinated powder by ball-milling or attrition milling; a step of drying the powder and pressing; and a step of sintering at 900-1200°C for 1-8 hours.

    Abstract translation: 目的:提供无铅压电陶瓷的制造方法,以提高烧结性,凝固性和压电特性。 无铅压电陶瓷具有化学式1的钙钛矿结构。无铅压电陶瓷的制造方法包括:将Na 2 CO 3,K 2 CO 3,Nb 2 O 5,BaCO 3,SrCO 3和TiO 2混合的步骤; 通过球磨和干燥粉碎的步骤; 在600-1100℃下煅烧1-10小时的步骤; 通过球磨或研磨研磨再次粉碎煅烧粉末的步骤; 干燥粉末并压制的步骤; 在900-1200℃下烧结1-8小时的步骤。

    나선형 구조를 가지는 고효율 압전 에너지 하베스터
    7.
    发明公开
    나선형 구조를 가지는 고효율 압전 에너지 하베스터 有权
    具有螺旋结构的高效压电式收割机

    公开(公告)号:KR1020100037992A

    公开(公告)日:2010-04-12

    申请号:KR1020080097375

    申请日:2008-10-02

    CPC classification number: H01L41/1136

    Abstract: PURPOSE: By comparing to the cantilever structure of being general and a lot multiplying the effective area the high efficiency piezoelectricity energy harvest time having spiral structure a lot improves the energy conversion efficiency. CONSTITUTION: A substrate(201) is proceed the elastic role. In order to draw out the energy it electrical, the first electrode(202) is evaporated in substrate. The piezoelectric element(203) is evaporated in the first electrode. The piezoelectric element changes the mechanical energy into the energy it electrical. The piezoelectric element has the spiral structure. The piezoelectric element has the outer vibrator and the natural frequency canning be resonated. The second electrode(204) is evaporated in the piezoelectric element in order to draw out the energy it electrical as described above.

    Abstract translation: 目的:通过与一般的悬臂结构相比,有效面积乘以螺旋结构的高效压电能量采集时间大大提高了能量转换效率。 构成:衬底(201)进行弹性作用。 为了排出电能,第一电极(202)在衬底中蒸发。 压电元件(203)在第一电极中蒸发。 压电元件将机械能改变为电能的能量。 压电元件具有螺旋结构。 压电元件具有外部振动器,并且固有频率罐头可以谐振。 第二电极(204)在压电元件中蒸发,以便如上所述地抽出其电能。

    압전소자 제조방법
    8.
    发明公开
    압전소자 제조방법 失效
    制造压电元件的方法

    公开(公告)号:KR1020090012736A

    公开(公告)日:2009-02-04

    申请号:KR1020070076822

    申请日:2007-07-31

    CPC classification number: H01L41/1876 H01L41/314 H01L41/43

    Abstract: A manufacturing method of the piezoelectric element is provided to prevent the oxidation of the metallic board while heightening the flexibility of piezoelectric. A manufacturing method of the piezoelectric element comprises the formation step of a bottom electrode(30); the formation step of the powder paste; the formation step of the thin film(10) of the powder paste; the formation step of the upper electrode(40); the performance step of the rapid thermal processing; and the performance step of the polarization. The bottom electrode is formed on the metallic(20). The upper electrode is formed on the thin-film of the powder paste.

    Abstract translation: 提供了压电元件的制造方法,以防止金属板的氧化,同时提高压电的柔性。 压电元件的制造方法包括:底电极(30)的形成工序。 粉末糊的形成步骤; 粉末糊料的薄膜(10)的形成步骤; 上电极(40)的形成步骤; 快速热处理的性能步骤; 和极化的表现步骤。 底部电极形成在金属(20)上。 上部电极形成在粉末糊状物的薄膜上。

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