公开(公告)号：US09491805B2

公开(公告)日：2016-11-08

申请号：US14113922

申请日：2012-04-27

申请人： Takeshi Okamura

发明人： Takeshi Okamura

IPC分类号： F23Q7/22 ,  H05B3/03 ,  H05B3/48 ,  H05B3/18 ,  F23Q7/00 ,  H05B3/14

摘要： The present invention is a heater including: a resistor including a heat-generating portion; a lead joined to an end portion of the resistor; and an insulating base covering the resistor and the lead. The heater includes a connection portion in which the resistor and the lead overlap each other in a direction perpendicular to an axial direction of the lead, and a boundary between the resistor and the lead has a curved shape when the connection portion is seen in a cross section perpendicular to the axial direction.

摘要翻译： 本发明是一种加热器，包括：包括发热部分的电阻器; 连接到电阻器的端部的引线; 以及覆盖电阻器和引线的绝缘基座。 加热器包括连接部分，其中电阻器和引线在垂直于引线的轴向的方向上彼此重叠，并且当连接部分以十字形看到时，电阻器和引线之间的边界具有弯曲的形状 垂直于轴向的截面。

公开(公告)号：US08441174B2

公开(公告)日：2013-05-14

申请号：US11917747

申请日：2006-06-15

申请人： Takeshi Okamura ,  Masaki Terazono ,  Tomohiro Kawamoto ,  Takafumi Tsurumaru ,  Shigenobu Nakamura ,  Ken Yamamoto

发明人： Takeshi Okamura ,  Masaki Terazono ,  Tomohiro Kawamoto ,  Takafumi Tsurumaru ,  Shigenobu Nakamura ,  Ken Yamamoto

IPC分类号： H01L41/083

CPC分类号： H01L41/0838 ,  B05B17/0653 ,  F02M51/0603 ,  H01L41/0471 ,  H01L41/0477

摘要： In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers are stacked alternately, the plurality of metal layers include a plurality of low-filled metal layers having a lower filling rate of metal composing the metal layers than oppositely disposed metal layers adjacent to each other in a stacking direction. In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers are stacked alternately, the plurality of metal layers include a plurality of thin metal layers having a smaller thickness than oppositely disposed metal layers adjacent to each other in a stacking direction. In a multilayer piezoelectric element in which a plurality of piezoelectric layers and a plurality of metal layers composed mainly of an alloy are stacked alternately, the plurality of metal layers include a plurality of high-ratio metal layers having a higher ratio of a component constituting the alloy than oppositely disposed metal layers adjacent to each other in a stacking direction.

摘要翻译： 在其中多个压电层和多个金属层交替堆叠的多层压电元件中，多个金属层包括多个低填充金属层，其中构成金属层的金属填充率低于相对设置的金属层 在层叠方向上彼此相邻的金属层。 在其中多个压电层和多个金属层交替堆叠的多层压电元件中，多个金属层包括多个薄金属层，其厚度相对于彼此相邻布置的金属层的厚度小于堆叠 方向。 在其中多个压电层和主要由合金构成的多个金属层交替堆叠的多层压电元件中，多个金属层包括多个高比例的金属层，其中构成 合金比层叠方向上彼此相邻的相对设置的金属层。

公开(公告)号：US08405278B2

公开(公告)日：2013-03-26

申请号：US12740102

申请日：2008-10-22

申请人： Takeshi Okamura

发明人： Takeshi Okamura

IPC分类号： H01L41/083

CPC分类号： H01L41/0838 ,  F02M51/0603

摘要： Provided is a multi-layer piezoelectric element in which the amount of the positional displacement can be suppressed even when continuous driving is performed for a long time under high electrical field and high pressure, and which may have a good durability. The laminated piezoelectric element comprises a stacked body in which piezoelectric layers and metal layers are stacked alternately one on another. The metal layers comprise internal electrodes and a low-rigidity metal layer which has rigidity lower than those of the piezoelectric layer and the internal electrode. The low-rigidity metal layer comprises a plurality of metal parts isolated from each other via voids, and a covering layer which covers at least a part of the metal parts.

摘要翻译： 提供一种即使在高电场和高压下长时间进行连续驱动也能够抑制位移量的层叠型压电元件，其可以具有良好的耐久性。 叠层压电元件包括​​层叠体，压电体层和金属层交替层叠。 金属层包括内部电极和刚性低于压电层和内部电极的刚性的低刚性金属层。 低刚性金属层包括通过空隙彼此隔离的多个金属部件和覆盖金属部件的至少一部分的覆盖层。

公开(公告)号：US07633210B2

公开(公告)日：2009-12-15

申请号：US10566044

申请日：2004-07-28

申请人： Susumu Ono ,  Takeshi Okamura ,  Katsushi Sakaue ,  Takaaki Hira ,  Masaki Terazono

发明人： Susumu Ono ,  Takeshi Okamura ,  Katsushi Sakaue ,  Takaaki Hira ,  Masaki Terazono

IPC分类号： H01L41/083

CPC分类号： H01L41/083 ,  H01L41/0471 ,  H01L41/273

摘要： In order to provide a multi-layer electronic component in which the occurrence of delamination between the ceramic layer and the internal electrode is restricted and a method for manufacturing the same, the multi-layer electronic component of the present invention comprises a stack formed by stacking piezoelectric layers and internal electrodes one on another alternately and a pair of external electrodes formed on two opposing side faces of the stack, wherein the internal electrode consists of a first internal electrode connected to the external electrode formed on one of the two side faces and a second internal electrode located between the first internal electrode and connected to the external electrode formed on the other one of the two side faces, and wherein the internal electrodes and the piezoelectric layers are faced in proximity so that a space between them is 2 μm or less over an area occupying 50% or more of the active region where the first internal electrode and the second internal electrode oppose each other.

摘要翻译： 为了提供限制陶瓷层和内部电极之间的分层的发生的多层电子部件及其制造方法，本发明的多层电子部件包括：叠层体 压电层和内部电极彼此交替设置，一对外部电极形成在堆叠的两个相对侧面上，其中内部电极由连接到形成在两个侧面中的一个侧面上的外部电极的第一内部电极和 所述第二内部电极位于所述第一内部电极之间并且与形成在所述两个侧面中的另一个侧面上的所述外部电极连接，并且其中所述内部电极和所述压电层面对，使得它们之间的空间为2μm或更小 在占有第一内部电极和第二内部电极的有源区域的50％以上的区域上 d内部电极彼此相对。

公开(公告)号：US20090220765A1

公开(公告)日：2009-09-03

申请号：US12280768

申请日：2007-02-27

申请人： Takeshi Okamura ,  Shigenobu Nakamura ,  Tomohiro Kawamoto ,  Nobuyuki Ito ,  Takafumi Tsurumaru ,  Tsuyoshi Setoguchi

发明人： Takeshi Okamura ,  Shigenobu Nakamura ,  Tomohiro Kawamoto ,  Nobuyuki Ito ,  Takafumi Tsurumaru ,  Tsuyoshi Setoguchi

IPC分类号： B32B3/26 ,  C04B35/64 ,  H01M8/10 ,  H01L41/083 ,  H01L41/24 ,  B05B1/30

CPC分类号： H01L41/273 ,  C04B35/195 ,  C04B2235/3225 ,  C04B2235/3481 ,  C04B2235/36 ,  C04B2235/5445 ,  C04B2235/6025 ,  F02M51/0603 ,  G01N27/4071 ,  H01L41/0471 ,  H01L41/0477 ,  H01L41/0838 ,  H01M8/1246 ,  H01M2300/0077 ,  Y02E60/525 ,  Y02P70/56 ,  Y10T29/42 ,  Y10T428/24997 ,  Y10T428/249981 ,  Y10T428/24999 ,  Y10T428/31678

摘要： A ceramic member in which the metal layers with high void ratio are sufficiently sintered to lower a residue of resin is produced.The method for manufacturing a ceramic member which comprises a step of forming a stacked compact from a plurality of metallic paste layers containing a metal component M1 that are stacked one on another via ceramic green sheets, and a step of firing the stacked compact, wherein at least one of plural metallic paste layers is formed as a second metallic paste layer that has the mass percentage X higher than that of the metallic paste layer that adjoin therewith in the stacking direction and a ceramic powder is contained in the second metallic paste layer in the step of forming the stacked compact, the mass percentage X being the proportion of the metal component M1 to the total metal content in the metallic paste layer.

摘要翻译： 产生具有高空隙率的金属层充分烧结以降低树脂残留物的陶瓷构件。 一种陶瓷构件的制造方法，其特征在于，包括：通过陶瓷生片层叠而成的多个金属成分M1的金属成分M1的多个金属膏层形成层叠成形体的工序和烧成层叠成形体的工序， 形成多个金属糊层中的至少一个作为第二金属膏层，其质量百分数X高于在层叠方向上与其相邻的金属膏层的质量百分比X，并且在第二金属膏层中含有陶瓷粉末 形成叠层体的步骤，质量百分比X是金属成分M1与金属膏层中的总金属含量的比例。

公开(公告)号：US20070273251A1

公开(公告)日：2007-11-29

申请号：US10573331

申请日：2004-09-22

申请人： Takeshi Okamura ,  Katsushi Sakaue ,  Shigenobu Nakaumra

发明人： Takeshi Okamura ,  Katsushi Sakaue ,  Shigenobu Nakaumra

IPC分类号： H01L41/083

CPC分类号： H01L41/0471 ,  F02M51/0603 ,  H01L41/0472 ,  H01L41/0477

摘要： A multi-layer piezoelectric element having excellent durability in which the amount of displacement does not change even after subjecting to continuous operation over a long period of time under a high voltage and a high pressure is provided. The multi-layer piezoelectric element comprises a stack formed by stacking piezoelectric layers and internal electrodes alternately one on another and external electrodes formed on a first side face and on a second side face of the stack, wherein one of the adjacent internal electrodes is connected to the external electrode formed on the first side face and the other internal electrode is connected to the external electrode formed on the second side face, while the metal composition contained in the internal electrodes contains group VIII metal and group Ib metal of the periodic table as the main components, and contents of the group VIII metal and the group Ib metal are set so that proportion M1 (% by weight) of the group VIII metal and proportion M2 of the group Ib metal satisfy the relations 0

摘要翻译： 提供了一种具有优异的耐久性的层叠型压电元件，其中即使在高电压和高压下长时间连续操作，位移量也不变化。 所述层叠型压电元件具有将叠层的压电层和内部电极彼此交替堆叠而形成的叠层和形成在所述堆叠的第一侧面和第二侧面上的外部电极，其中，所述相邻的内部电极之一与 形成在第一侧面上的外部电极和另一个内部电极连接到形成在第二侧面上的外部电极，而包含在内部电极中的金属组合物包含周期表的VIII族金属和Ib族金属作为 主要成分和VIII族金属和Ib族金属的含量被设定为使得第Ⅷ族金属的比例M 1（重量％）和Ib族金属的比例M 2满足关系0

公开(公告)号：US08450908B2

公开(公告)日：2013-05-28

申请号：US12675387

申请日：2008-08-25

申请人： Takeshi Okamura

发明人： Takeshi Okamura

IPC分类号： H01L41/083

CPC分类号： H01L41/0838 ,  F02M51/0603 ,  H01L41/273

摘要： A multi-layer piezoelectric element having high durability of which amount of displacement is suppressed from varying even when operated continuously over a long period of time with a higher electric field under a high pressure is provided. The multi-layer piezoelectric element comprising a multi-layer structure in which a plurality of piezoelectric material layers and a plurality of metal layers are stacked alternately one on another, wherein the plurality of metal layers comprises internal electrodes and low-rigidity metal layer that has rigidity lower than those of the piezoelectric material layer and the internal electrode, wherein the low-rigidity metal layer comprises a plurality of metal parts that are separated from each other, and wherein at least one of the metal parts is bonded with only one piezoelectric material layer among the two piezoelectric material layers that adjoin in the stacking direction.

摘要翻译： 提供一种具有高耐久性的层叠型压电元件，即使在高压下具有较高的电场的情况下，即使在长时间连续运转时也能够抑制其位移量的变化。 所述层叠型多层压电元件包括​​多层结构，其中多个压电体层和多层金属层彼此交替叠层，其中所述多个金属层包括内部电极和低刚性金属层，所述金属层具有 刚性低于压电材料层和内部电极的刚度，其中低刚性金属层包括彼此分离的多个金属部件，并且其中至少一个金属部件仅与一个压电材料接合 在层叠方向上邻接的两个压电体层之间。

公开(公告)号：US08339018B2

公开(公告)日：2012-12-25

申请号：US12602076

申请日：2008-05-29

申请人： Masahiro Inagaki ,  Takeshi Okamura ,  Tomohiro Kawamoto

发明人： Masahiro Inagaki ,  Takeshi Okamura ,  Tomohiro Kawamoto

IPC分类号： H01L41/083

CPC分类号： F02M51/0603 ,  H01L41/0471 ,  H01L41/0477 ,  H01L41/0838 ,  H01L41/257 ,  H01L41/273

摘要： Provided is a highly durable laminated piezoelectric element wherein a stress generated at a portion, i.e., the boundary between an active region and inactive region, is reduced. A method for manufacturing such laminated piezoelectric element is also provided. The laminated piezoelectric element has a laminated structure (15) wherein a plurality of piezoelectric layers (11) and internal electrode layers (13) are alternately laminated. The piezoelectric layer (11) contains a metal element other than those elements constituting piezoelectric ceramic, i.e., the main component of the piezoelectric layer (11), and at a portion (11a) of the piezoelectric layer (11) at the vicinity of an end of the internal electrode layer (13), metal particles having a metal element as a main component exist. The content of the metal at the portion (11a) at the vicinity of the end is higher than the content of a compound of the metal element and a nonmetal element.

摘要翻译： 提供了一种高度耐用的层压压电元件，其中在一部分产生的应力，即有源区域和非活性区域之间的边界产生的应力减小。 还提供了一种制造这种叠层压电元件的方法。 叠层型压电元件具有层叠结构（15），其中多个压电层（11）和内部电极层（13）交替层叠。 压电体层11除了构成压电陶瓷的构成要素以外的金属元素，即压电体层11的主要成分，压电体层11的附近的压电层11的部分11a。 内部电极层（13）的端部存在金属元素作为主要成分的金属粒子。 在端部附近的部分（11a）处的金属含量高于金属元素和非金属元素的化合物的含量。

公开(公告)号：US08007903B2

公开(公告)日：2011-08-30

申请号：US12280768

申请日：2007-02-27

申请人： Takeshi Okamura ,  Shigenobu Nakamura ,  Tomohiro Kawamoto ,  Nobuyuki Ito ,  Takafumi Tsurumaru ,  Tsuyoshi Setoguchi

发明人： Takeshi Okamura ,  Shigenobu Nakamura ,  Tomohiro Kawamoto ,  Nobuyuki Ito ,  Takafumi Tsurumaru ,  Tsuyoshi Setoguchi

IPC分类号： B32B3/26 ,  C04B35/64 ,  H01M8/00 ,  H01L41/083 ,  H01L41/24 ,  B05B1/30

CPC分类号： H01L41/273 ,  C04B35/195 ,  C04B2235/3225 ,  C04B2235/3481 ,  C04B2235/36 ,  C04B2235/5445 ,  C04B2235/6025 ,  F02M51/0603 ,  G01N27/4071 ,  H01L41/0471 ,  H01L41/0477 ,  H01L41/0838 ,  H01M8/1246 ,  H01M2300/0077 ,  Y02E60/525 ,  Y02P70/56 ,  Y10T29/42 ,  Y10T428/24997 ,  Y10T428/249981 ,  Y10T428/24999 ,  Y10T428/31678

摘要： A ceramic member in which the metal layers with high void ratio are sufficiently sintered to lower a residue of resin is produced. The method for manufacturing a ceramic member which comprises a step of forming a stacked compact from a plurality of metallic paste layers containing a metal component M1 that are stacked one on another via ceramic green sheets, and a step of firing the stacked compact, wherein at least one of plural metallic paste layers is formed as a second metallic paste layer that has the mass percentage X higher than that of the metallic paste layer that adjoin therewith in the stacking direction and a ceramic powder is contained in the second metallic paste layer in the step of forming the stacked compact, the mass percentage X being the proportion of the metal component M1 to the total metal content in the metallic paste layer.

摘要翻译： 产生具有高空隙率的金属层充分烧结以降低树脂残留物的陶瓷构件。 一种陶瓷构件的制造方法，其特征在于，包括：通过陶瓷生片层叠而成的多个金属成分M1的金属成分M1的多个金属膏层形成层叠成形体的工序和烧成层叠成形体的工序， 形成多个金属糊层中的至少一个作为第二金属膏层，其质量百分数X高于在层叠方向上与其相邻的金属膏层的质量百分比X，并且陶瓷粉末包含在第二金属膏层中 形成叠层体的步骤，质量百分比X是金属成分M1与金属膏层中的总金属含量的比例。

公开(公告)号：US07786652B2

公开(公告)日：2010-08-31

申请号：US10599532

申请日：2005-03-29

申请人： Shigenobu Nakamura ,  Takafumi Tsurumaru ,  Takeshi Okamura

发明人： Shigenobu Nakamura ,  Takafumi Tsurumaru ,  Takeshi Okamura

IPC分类号： H01L41/083

CPC分类号： H01L41/0472 ,  F02M51/0603 ,  H01L41/083 ,  Y10T29/42

摘要： The multi-layer piezoelectric element comprises a stack having an active portion constituted from at least one piezoelectric layer and a plurality of internal electrodes consisting of first and second internal electrodes placed one on another, the active portion being subjected to expansion and contraction in response to a voltage applied across the first internal electrode and the second internal electrode, and external electrodes formed on two side faces of the stack with one thereof being connected to the first internal electrode and the other connected to the second internal electrode, wherein each of the external electrodes is constituted from three or more layers including a first layer formed in contact with the side face of the stack and a second layer formed on the first layer, to provide a multi-layer piezoelectric element having high durability.

摘要翻译： 层叠型压电元件包括​​具有由至少一个压电体层构成的活性部分和由彼此重叠的第一和第二内部电极组成的多个内部电极的叠层，所述活性部分响应于 施加在第一内部电极和第二内部电极两端的电压，以及形成在堆叠的两个侧面上的外部电极，其中一个连接到第一内部电极，而另一个连接到第二内部电极，其中每个外部电极 电极由三层或更多层构成，包括与叠层的侧面接触形成的第一层和形成在第一层上的第二层，以提供具有高耐久性的层叠型压电元件。