专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2013237607A Sodium niobate powder, method for producing the same, and electronic equipment 有权
标题翻译：钠溶性粉末，其制造方法和电子设备
公开(公告)号：JP2013237607A
公开(公告)日：2013-11-28
申请号：JP2013085081
申请日：2013-04-15
申请人： Canon Inc , キヤノン株式会社
发明人： HAYASHI JUNPEI , MASUBUCHI TOMOAKI , AEBA TOSHIAKI , IFUKU TOSHIHIRO , KUBOTA JUN , WATANABE TAKAYUKI , FURUTA TATSUO
IPC分类号： C01G33/00 , B41J2/16 , C04B35/00 , C04B35/626 , G02B7/04 , G03B17/02 , H01L21/8246 , H01L27/105 , H01L41/083 , H01L41/09 , H01L41/187 , H01L41/43 , H02N2/00
CPC分类号： H01L41/1873 , B32B18/00 , B41J2/14274 , C01G33/00 , C01P2004/38 , C01P2004/62 , C01P2006/82 , C04B35/495 , C04B35/64 , C04B2235/3201 , C04B2235/3236 , C04B2235/3255 , C04B2235/52 , C04B2235/5292 , C04B2235/5296 , C04B2235/5436 , C04B2235/5445 , C04B2235/768 , C04B2235/787 , C04B2237/34 , C04B2237/405 , C04B2237/407 , G02B27/0006 , H01G4/1254 , H01L41/0477 , H01L41/083 , H02N2/103 , H02N2/106 , H02N2/12 , Y10T428/2982
摘要： PROBLEM TO BE SOLVED: To provide a sodium niobate powder having a small moisture content, a method for producing the same, and a method for producing a ceramic using the sodium niobate powder.SOLUTION: A sodium niobate powder includes sodium niobate particles having a shape of a cuboid and having a side average length of 0.1-100 μm, wherein at least one face of each of the sodium niobate particles is a (100) plane in the pseudocubic notation and a moisture content of the sodium niobate powder is ≤0.15 mass%. A method for producing a ceramic using the sodium niobate powder is provided. A method for producing a sodium niobate powder includes a step of holding an aqueous alkali dispersion liquid containing a niobium component and a sodium component in an atmosphere at a pressure exceeding 0.1 MPa, a step of isolating a solid matter from the aqueous dispersion liquid after the holding, and a step of heat treating the solid matter at 500-700°C.
摘要翻译：要解决的问题：提供具有小水分含量的铌酸钠粉末，其制备方法和使用铌酸钠粉末制备陶瓷的方法。溶液：铌酸钠粉末包括具有形状的铌酸盐颗粒的长方体，其侧平均长度为0.1-100μm，其中每个铌酸钠颗粒的至少一个表面是假立方符号中的（100）面，铌酸钠粉末的水分含量≤0.15质量％％。提供了使用铌酸钠粉末制造陶瓷的方法。铌酸铋粉末的制造方法包括在超过0.1MPa的压力的气氛中含有含有铌成分和钠成分的碱性分散液的水溶液的步骤，在该水分散液后分离固体物质的工序保持和在500-700℃热处理固体物质的步骤。

2. 发明专利

JP2013193048A Vibration device, drive device having the vibration device, and optical device 有权
标题翻译：振动装置，具有振动装置的驱动装置和光学装置
公开(公告)号：JP2013193048A
公开(公告)日：2013-09-30
申请号：JP2012063898
申请日：2012-03-21
申请人： Canon Inc , キヤノン株式会社
发明人： OHASHI KAISHI , URAGAMI TOSHIFUMI , IFUKU TOSHIHIRO , SHIMIZU KOJI , FURUTA TATSUO , MATSUDA KATAYOSHI , KUBOTA JUN , HAYASHI JUNPEI
IPC分类号： B08B11/00 , B08B7/02
CPC分类号： G02B27/0006 , H01L41/042 , H01L41/0973 , H01L41/18 , H01L41/1871 , H01L41/43 , H02N2/0015 , H02N2/008 , H02P25/032 , H04N5/2171 , H04N5/2253
摘要： PROBLEM TO BE SOLVED: To provide a vibration device which can efficiently move a driven object containing dust in a predetermined direction by vibration.SOLUTION: A vibration device includes: a vibrator having at least one electromechanical energy conversion element provided with a piezoelectric material of which content of lead is less than 1,000 ppm and an electrode; and a control means which applies at least two drive voltages on the electromechanical energy conversion element and generates a plurality of standing waves of which orders are different from each other in the vibrator by setting a time phase difference to generate composite vibration in which the plurality of standing waves are composed. The control means changes at least one of a voltage amplitude ratio and the time phase difference between at least the two drive voltages so as to change amplitude distribution of the composite vibration.
摘要翻译：要解决的问题：提供一种振动装置，其可以通过振动有效地移动在预定方向上包含灰尘的被驱动物体。解决方案：一种振动装置，包括：具有至少一个机电能量转换元件的振动器，所述振动器具有压电材料，铅含量小于1000ppm，电极含量高; 以及控制装置，其在所述机电能量转换元件上施加至少两个驱动电压，并且通过设定时间相位差来生成所述振动器中的阶数彼此不同的多个驻波，以产生复合振动，其中，驻波组成。控制装置改变至少两个驱动电压之间的电压幅度比和时间相位差中的至少一个，以便改变复合振动的振幅分布。

3. 发明专利

JP2012131669A Piezoelectric ceramics, manufacturing method therefor, piezoelectric element, liquid discharge head, ultrasonic motor, and dust removal device 有权
标题翻译：压电陶瓷，其制造方法，压电元件，液体放电头，超声波电机和除尘装置
公开(公告)号：JP2012131669A
公开(公告)日：2012-07-12
申请号：JP2010285742
申请日：2010-12-22
申请人： Canon Inc , キヤノン株式会社
发明人： SUZUKI TATSUYA , TSUKAMOTO MASAMI , SHIMADA MIKIO , IFUKU TOSHIHIRO , MATSUDA KATAYOSHI , KUBOTA JUN , HAYASHI JUNPEI
IPC分类号： C04B35/462 , B41J2/045 , B41J2/055 , B41J2/135 , B41J2/14 , B41J2/16 , H01L41/09 , H01L41/187 , H01L41/257 , H01L41/39 , H01L41/43 , H03H9/17
CPC分类号： H01L41/43 , B41J2/161 , B41J2/1623 , B41J2/1632 , B41J2/1642 , B41J2/1646 , B82Y30/00 , C04B35/4682 , C04B35/62655 , C04B35/62695 , C04B35/64 , C04B2235/3201 , C04B2235/3203 , C04B2235/3208 , C04B2235/3213 , C04B2235/3222 , C04B2235/3227 , C04B2235/3232 , C04B2235/3236 , C04B2235/3244 , C04B2235/3262 , C04B2235/3267 , C04B2235/3287 , C04B2235/3293 , C04B2235/3298 , C04B2235/3418 , C04B2235/441 , C04B2235/442 , C04B2235/443 , C04B2235/449 , C04B2235/5445 , C04B2235/5454 , C04B2235/6562 , C04B2235/6567 , C04B2235/761 , C04B2235/85 , H01L41/1871 , H02N2/106 , H02N2/163
摘要： PROBLEM TO BE SOLVED: To provide barium titanate-based piezoelectric ceramics having satisfactory piezoelectric performance and a satisfactory mechanical quality factor (Qm), and to provide a piezoelectric element using the same.SOLUTION: The piezoelectric ceramics includes crystal particles and a grain boundary between the crystal particles, wherein the crystal particles each include barium titanate having a perovskite-type structure and manganese at 0.04-0.20 mass% in terms of a metal with respect to the barium titanate, and the grain boundary includes at least one compound selected from the group consisting of BaTiOand BaTiO, and a piezoelectric element using the same.
摘要翻译：要解决的问题：提供具有令人满意的压电性能和令人满意的机械品质因数（Qm）的钛酸钡系压电陶瓷，并提供使用该压电陶瓷的压电元件。解决方案：压电陶瓷包括晶体颗粒和结晶颗粒之间的晶界，其中晶体颗粒各自包括具有钙钛矿型结构的钛酸钡和以相对于金属的金属为0.04-0.20质量％的锰所述钛酸钡和所述晶界包含至少一种选自下组的化合物：Ti 12 O 27 和 17 和使用该压电元件的压电元件。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011093788A Ferroelectric thin film 有权
标题翻译：电磁薄膜
公开(公告)号：JP2011093788A
公开(公告)日：2011-05-12
申请号：JP2010218892
申请日：2010-09-29
申请人： Canon Inc , Kyoto Univ , Tokyo Institute Of Technology , キヤノン株式会社 , 国立大学法人京都大学 , 国立大学法人東京工業大学
发明人： SHIMADA MIKIO , AEBA TOSHIAKI , IFUKU TOSHIHIRO , HAYASHI JUNPEI , KUBOTA JUN , FUNAKUBO HIROSHI , SHIMAKAWA YUICHI , AZUMA MASAKI , NAKAMURA YOSHITAKA
IPC分类号： C01G51/00 , B82Y30/00 , B82Y99/00 , C01G49/06 , H01B3/00 , H01B3/12 , H01L21/8246 , H01L27/105 , H01L41/18 , H01L41/187 , H01L41/39
CPC分类号： H01L41/1878 , H01L28/55 , H01L41/0805 , H01L41/316
摘要： PROBLEM TO BE SOLVED: To provide a ferroelectric thin film formed on a substrate and having an amount of remanent polarization increased in its entirety. SOLUTION: The ferroelectric thin film includes a perovskite-type metal oxide formed on a substrate. The ferroelectric thin film further includes a columnar structure group formed of multiple columns each formed of a spinel-type metal oxide. The columnar structure group is in a state of standing in a direction perpendicular to the surface of the substrate, or in a state of slanting at a slant angle in a range of -10 or more to +10° or less with respect to the perpendicular direction. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供形成在基板上并且具有全部剩余极化量的铁电薄膜。铁电薄膜包括在基板上形成的钙钛矿型金属氧化物。铁电薄膜还包括由尖晶石型金属氧化物形成的多个柱形成的柱状结构体。柱状结构体处于垂直于基板的表面的方向上的状态，或处于相对于垂直方向为-10°〜+ 10°以下的倾斜角度倾斜的状态方向。版权所有（C）2011，JPO＆INPIT

5. 发明专利

JP2010183067A Piezoelectric material and piezoelectric element 有权
标题翻译：压电材料和压电元件
公开(公告)号：JP2010183067A
公开(公告)日：2010-08-19
申请号：JP2009293305
申请日：2009-12-24
申请人： Canon Inc , National Institute Of Advanced Industrial Science & Technology , Sophia School Corp , Tokyo Institute Of Technology , キヤノン株式会社 , 国立大学法人東京工業大学 , 学校法人上智学院 , 独立行政法人産業技術総合研究所
发明人： KUBOTA JUN , IFUKU TOSHIHIRO , FUNAKUBO HIROSHI , YAZAWA KEISUKE , UCHIDA HIROSHI , IIJIMA TAKASHI , LEE BONG-YEON
IPC分类号： H01L41/18 , C04B35/00 , C23C16/40 , C30B29/22 , H01L21/8246 , H01L27/105 , H01L41/08 , H01L41/09 , H01L41/187 , H01L41/22 , H01L41/316 , H01L41/39
CPC分类号： C04B35/111 , C04B35/01 , C04B2235/3217 , C04B2235/3225 , C04B2235/3232 , C04B2235/3262 , C04B2235/327 , C04B2235/3284 , C04B2235/3298 , H01L41/1878 , H01L41/316 , Y10S428/938 , Y10T428/265
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric material superior in piezoelectricity, having a monoclinic structure in which the rotation of a polarization axis becomes sensitive to an external electric field, in comparison with other crystal system. SOLUTION: The piezoelectric material includes a perovskite-type composite oxide represented by formula (1): A (Zn x Ti (1-x) ) y M (1-y) O 3 . The crystal system of the perovskite-type composite oxide includes at least the monoclinic structure. Preferably, the crystal system of the perovskite-type composite oxide is a mixture having the monoclinic structure and a rhombohedral structure, or a mixture having the monoclinic structure and a tetragonal structure. In the formula (1), A represents a Bi element, and M represents at least one element selected from Fe, Al, Sc, Mn, Y, Ga, and Yb. The x represents a numerical value of 0.4≤x≤0.6, and y represents a numerical value of 0.17≤y≤0.60. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：与其他晶体系相比，提供压电性优异的压电材料，其具有偏光轴的旋转对外部电场敏感的单斜晶体结构。＆lt; P＆gt;解决方案：压电材料包括由式（1）表示的钙钛矿型复合氧化物：A（Zn x Ti（SB）（1-x） ÿ中号（1-y）的 0 3 。钙钛矿型复合氧化物的晶体系至少包括单斜晶系。优选地，钙钛矿型复合氧化物的晶体体系是具有单斜晶系结构和菱面体结构的混合物，或具有单斜晶系结构和四方结构的混合物。在式（1）中，A表示Bi元素，M表示选自Fe，Al，Sc，Mn，Y，Ga和Yb中的至少一种元素。 x表示数值0.4≤x≤0.6，y表示数值为0.17≤y≤0.60。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2008218675A Piezoelectric substance, piezoelectric element, and liquid discharge head and liquid discharge device using piezoelectric element 有权
标题翻译：压电元件，压电元件以及使用压电元件的液体放电头和液体放电器件
公开(公告)号：JP2008218675A
公开(公告)日：2008-09-18
申请号：JP2007053507
申请日：2007-03-02
申请人： Canon Inc , Japan Synchrotron Radiation Research Inst , キヤノン株式会社 , 財団法人高輝度光科学研究センター
发明人： IFUKU TOSHIHIRO , FUKUI TETSURO , TAKEDA KENICHI , FUNAKUBO HIROSHI , NAKAGI HIROSHI , IKARIYAMA RIKYU , SAKATA OSAMI
IPC分类号： H01L41/09 , B41J2/045 , B41J2/055 , B41J2/135 , B41J2/14 , H01L41/18 , H01L41/22 , H01L41/316 , H01L41/39
CPC分类号： B41J2/14233 , B41J2202/03 , H01L41/0805 , H01L41/1875 , H01L41/1876 , H01L41/316
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric film having a large piezoelectric property, a piezoelectric element using the same, a liquid discharge head, and a liquid discharge device. SOLUTION: A piezoelectric film comprises an epitaxial oxide film having orientation having a tetragonal at least. In the piezoelectric film, the oxide is a perovskite composite oxide represented by the general formula ABO 3 . The piezoelectric film comprises at least C, D, and E domains having [100] orientations with differences in crystalline orientation at least. In the piezoelectric film, differences between the C domain and the D domain, the D domain and the E domain, the C domain and the E domain, and the D domain and the E domain in the angles of [100] orientations of the domains are 5° or less, 5° or less, 0.3° or less, and 0.3° or more, and differences between the C domain and the E domain, and the D domain and the E domain in the angles of [001] orientations of the domains are 1.0° or more and 1.0° or more. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供压电性能大的压电膜，使用该压电体的压电元件，液体排出头和液体排出装置。解决方案：压电膜包括具有至少具有四方晶的<100>取向的外延氧化膜。在压电膜中，氧化物是由通式ABO 3 表示的钙钛矿复合氧化物。压电膜至少包含具有至少具有不同结晶取向的[100]取向的至少C，D和E结构域。在压电薄膜中，C域和D域，D域和E域，C域和E域之间的差异以及D域和E域在[100]取向域的角度在[001]取向的角度为5°以下，5°以下，0.3°以下，0.3°以上，C区域和E区域以及D区域和E区域的差异该域为1.0°以上且1.0°以上。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2008149662A Piezoelectric/electrostrictive actuator 审中-公开
标题翻译：压电/电致动器
公开(公告)号：JP2008149662A
公开(公告)日：2008-07-03
申请号：JP2006342518
申请日：2006-12-20
申请人： Canon Inc , キヤノン株式会社
发明人： TAKEDA KENICHI , FUKUI TETSURO , AOKI KATSUMI , MATSUDA KATAYOSHI , IFUKU TOSHIHIRO
IPC分类号： B41J2/045 , B41J2/055
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric/electrostrictive actuator which increases an excluded volume of an individual liquid chamber, achieves high densification of a head, and further reduces excessive load on interfaces between a substrate and a diaphragm at both lengthwise front and rear edges of the diaphragm, or on a fringe portion when the individual liquid chamber and the diaphragm are formed of the substrate in one body, due to deformability of a piezoelectric/electrostrictive element in an individual liquid chamber widthwise direction more largely than in an individual liquid chamber lengthwise direction, to thereby eliminate leakage of ink from the individual liquid chamber due to separation or breakage, and improve the durability of the actuator.
SOLUTION: According to the configuration of the piezoelectric/electrostrictive actuator, the piezoelectric/electrostrictive element is formed of a lower electrode, a piezoelectric/electrostrictive body, and an upper electrode which are formed on the diaphragm fixed to the substrate in every direction and having a different aspect ratio. Then at least one of the lower electrode, the piezoelectric/electrostrictive body, and the upper electrode of the piezoelectric/electrostrictive element is arranged like a comb-like shape having a plurality of comb teeth at right angles to or at an angle with respect to a lengthwise direction of the diaphragm. Then the piezoelectric/electrostrictive actuator is employed in an on-demand ink-jet printer head.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供增加单个液体室的排除体积的压电/电致伸缩致动器，实现头部的高致密化，并且进一步减小在纵向前部的基板和隔膜之间的界面上的过载由于单个液体室宽度方向上的压电/电致伸缩元件的变形性大于单个液体室宽度方向上的压缩/电致伸缩元件的变形能力，当单个液体室和隔膜由一个体内的基板形成时，隔膜的后边缘或边缘部分单独的液体室长度方向，从而消除由于分离或破裂而导致的单独液体室的墨水的泄漏，并且提高了致动器的耐久性。解决方案：根据压电/电致伸缩致动器的结构，压电/电致伸缩元件由下电极，压电/电致伸缩体和上电极形成，每一个在每个方向并具有不同的纵横比。然后，压电/电致伸缩元件的下电极，压电/电致伸缩体和上电极中的至少一个被布置成具有相对于相对于压电/电致伸缩元件成直角或成角度的多个梳齿的梳状隔膜的长度方向。然后在按需喷墨打印机头中使用压电/电致伸缩致动器。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2008042192A Piezoelectric element, method for manufacturing piezoelectric, and liquid jet head 有权
标题翻译：压电元件，制造压电材料的方法和液体喷射头
公开(公告)号：JP2008042192A
公开(公告)日：2008-02-21
申请号：JP2007185519
申请日：2007-07-17
申请人： Canon Inc , キヤノン株式会社
发明人： TAKEDA KENICHI , AOKI KATSUMI , IFUKU TOSHIHIRO , MATSUDA KATAYOSHI , FUKUI TETSURO
IPC分类号： H01L41/09 , B41J2/16 , H01L41/18 , H01L41/187 , H01L41/22 , H01L41/316 , H01L41/319 , H01L41/39 , H01L41/43
摘要： PROBLEM TO BE SOLVED: To provide a piezoelectric element which prevents a stress from occurring in a substrate or between layers, piezoelectric/electrostrictive properties from deteriorating, and the layers from peeling off from each other, has excellent durability, and can be formed in a high density on a substrate of a large size, and to provide a method for manufacturing a piezoelectric and a liquid jet head.
SOLUTION: The poiezoelectric element has the piezoelectric 2 which is composed of a film made of an ABO
3 perovskite oxide crystal epitaxially grown on a substrate 1, and a pair of electrode layers which are formed on the piezoelectric 2 and include an upper layer 3 of an upper electrode or the like, where the piezoelectric 2 has a concave portion h or a multi-phase porous structure j on the opposite side to the side of the substrate 1, and one more concave portion is put on the concave portion to form the multi-phase porous structure j.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种压电元件，其防止在基板中或层之间发生应力，压电/电致伸缩性能劣化，并且彼此剥离的层具有优异的耐久性，并且可以在大尺寸的基板上高密度地形成，并提供制造压电和液体喷射头的方法。解决方案：压电元件具有压电体2，其由在基板1上外延生长的由ABO 3 SBO 3钙钛矿氧化物晶体制成的膜和形成在基板1上的一对电极层压电体2并且包括上电极等的上层3，其中压电体2在基板1的相对侧具有凹部h或多相多孔结构j，并且还有一个凹将部分放置在凹部上以形成多相多孔结构j。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2004071945A Actuators and liquid jet head 审中-公开
公开(公告)号：JP2004071945A
公开(公告)日：2004-03-04
申请号：JP2002231299
申请日：2002-08-08
申请人： Canon Inc , キヤノン株式会社
发明人： MATSUDA KATAYOSHI , IFUKU TOSHIHIRO , TAKEDA KENICHI , AOTO HIROSHI , FUKUI TETSURO
IPC分类号： B41J2/045 , B05B17/06 , B41J2/055 , H01L21/28 , H01L41/09 , H01L41/18 , H01L41/187
摘要： PROBLEM TO BE SOLVED: To realize a high density multi-head by employing a multilayer structure of thin films of single oriented crystal or oxide of single crystal in the actuator of a liquid jet head so that micromachining of smiconductor process can be applied.
SOLUTION: In the body substrate section 1 of the liquid jet head, a liquid opening 2, a pressure chamber 3, and the like, are formed and then a diaphragm 11, a lower electrode 13, a piezoelectric film 12 and an upper electrode 14 constituting the actuator 10 are formed to close the opening 4 of each pressure chamber 3. When at least the lower electrode 13 is formed of a thin film of single oriented crystal or oxide of single crystal, the overlying piezoelectric film 12 may also be formed of a thin film of single oriented crystal or oxide of single crystal and since sufficient piezoelectric characteristics can be attained even if the piezoelectric film 12 is made as thin as 1-4 μm, micromachining of smiconductor process can be applied to formation of the actuator.
COPYRIGHT: (C)2004,JPO

10. 发明专利

JP2014216851A 塵埃除去装置、その製造方法および撮像装置有权
标题翻译：除尘装置，其制造方法和成像装置
公开(公告)号：JP2014216851A
公开(公告)日：2014-11-17
申请号：JP2013092768
申请日：2013-04-25
申请人：キヤノン株式会社 , Canon Inc
发明人： SHIMIZU KOJI , IFUKU TOSHIHIRO , KUBOTA JUN , FURUTA TATSUO
IPC分类号： H04N5/225 , G03B17/02
CPC分类号： G02B27/0006 , H04N5/2171 , H04N5/2254
摘要：【課題】振動板の光学有効領域に付着した塵埃を良好に除去することができる塵埃除去装置を提供する。【解決手段】表面に略矩形の光学有効領域Bと外部領域Aを有する振動板と、圧電素子とを有する塵埃除去装置であって、前記圧電素子における辺Oに沿った方向の端部の一方で、前記光学有効領域Bの辺N、N’を延長して圧電素子を横断する線から辺Pに沿った内側方向へ長さbにわたる領域を圧電素子の端部近傍σとし、前記圧電材料の前記端部近傍σ以外の圧電定数の絶対値をdとし、前記端部近傍σの圧電定数の絶対値をd0とすると、d>d0の関係を満たす塵埃除去装置。d0は圧電素子に交番電圧を供給する給電用配線を前記端部近傍σに熱圧着して調整する。【選択図】図1
摘要翻译：要解决的问题：提供一种能够令人满意地去除沉积在隔膜的光学有效区域上的灰尘的除尘装置。解决方案：除尘装置包括：膜片，其包括光学有效区域B和外部区域A，矩形，表面; 和压电元件。当从侧面O延伸到沿着侧面O的从压电元件的一端延伸到光学有效区域B的侧面N和N'并沿压电元件向内侧延伸的长度为（b）的区域时，作为终点附近压电元件的压电常数的绝对值在末端附近的任何其他部分中; 压电材料的绝对值定义为（d），并且最终压电常数的绝对值为被定义为d，除尘装置满足通过热压缩和接合用于将压电元件的交流电压提供给端部附近的供电布线来调节的d> d，dbeing的关系。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式