首页> 外国专利> PIEZOELECTRIC ELEMENT, MULTILAYER PIEZOELECTRIC ELEMENT, HEAD FOR LIQUID EMISSION, DEVICE FOR LIQUID EMISSION, ULTRASONIC MOTOR, OPTICAL DEVICE AND ELECTRIC EQUIPMENT

PIEZOELECTRIC ELEMENT, MULTILAYER PIEZOELECTRIC ELEMENT, HEAD FOR LIQUID EMISSION, DEVICE FOR LIQUID EMISSION, ULTRASONIC MOTOR, OPTICAL DEVICE AND ELECTRIC EQUIPMENT

机译:压电元件,多层压电元件,液体排放头,液体排放设备,超声波电机,光学设备和电气设备

摘要

1. A piezoelectric element comprising: a first electrode; a second electrode; a piezoelectric material comprising perovskite-type metal oxide represented by the general formula (1) (BaCa) (TiZr) O (where 1.00≤a≤1.01, 0.02≤x≤0.30, 0,020≤y 0.095 and y≤x) (1), and a component of manganese, wherein the metal-based manganese content with respect to 100 parts by weight of perovskite-type metal oxide is 0.02 parts by weight or more and 0.40 parts by weight or less, and the piezoelectric material is formed crystalline grains having an average circular equivalent diameter greater than 1 μm and less than 10 μm, and moreover, piezoelectric ktrichesky material has a relative density of 93.0% or more and 100% or menee.2. The piezoelectric element according to claim 1, wherein x and y in the main component of the piezoelectric material satisfy the conditions of 0.125≤x≤0.175 and 0.055≤y≤0.09, respectively, and a manganese content on a metal base with respect to 100 parts by weight of metal oxide of the type perovskite is 0.02 parts by weight or more and 0.10 parts by weight or less. 3. The piezoelectric element according to claim 1 or 2, in which x and y in the main component of the piezoelectric material satisfy 0.155≤x≤0.300 and 0.041≤y≤0.069, respectively, and the content of manganese on a metal base with respect to 100 weight parts of perovskite-type metal oxide is 0.12 parts by weight or more and 0.40 parts by weight or less. 4. The piezoelectric element according to claim 1 or 2, in which 0.140≤x≤0.175.5. The piezoelectric element according to claim 1 or 2, in which 0,055≤y≤0,075.6. A multilayer piezoelectric element comprising: layers of a piezoelectric material; electrodes, including internally
机译:1.一种压电元件,其包括:第一电极;以及第二电极。第二电极;包含由通式(1)表示的钙钛矿型金属氧化物的压电材料(BaCa)(TiZr)O(其中1.00≤a≤1.01,0.02≤x≤0.30,0,020≤y<0.095和y≤x)(1 )和锰的成分,其中相对于钙钛矿型金属氧化物100重量份,金属基锰含量为0.02重量份以上且0.40重量份以下,并且压电材料形成为结晶。具有大于1μm且小于10μm的平均圆形当量直径的颗粒,此外,压电ktrichesky材料的相对密度为93.0%以上且100%或米内。2。 2.根据权利要求1所述的压电元件,其中,所述压电材料的主要成分中的x和y分别满足0.125≤x≤0.175和0.055≤y≤0.09的条件,并且金属基体上的锰含量相对于100满足钙钛矿类型的金属氧化物的重量份为0.02重量份以上且0.10重量份以下。 3.如权利要求1或2所述的压电元件,其特征在于,所述压电材料的主要成分中的x和y分别满足0.155≤x≤0.300和0.041≤y≤0.069,并且金属基体上的锰含量为1.0。钙钛矿型金属氧化物相对于100重量份为0.12重量份以上且0.40重量份以下。 4.根据权利要求1或2所述的压电元件,其中0.140≤x≤0.175.5。 3.根据权利要求1或2所述的压电元件,其中,0.055≤y≤0.075。6。一种多层压电元件,包括:压电材料层;和电极,包括内部

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