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公开(公告)号：US20200169246A1
公开(公告)日：2020-05-28
申请号：US16435621
申请日：2019-06-10
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Tae Yoon KIM , Tae Kyung LEE , Sang Kee YOON , Sung Jun LEE , Chang Hyun LIM , Nam Jung LEE , Tae Hun LEE , Moon Chul LEE
Abstract: An acoustic resonator includes a substrate, an insulation layer disposed on the substrate, a resonating portion disposed on the insulation layer and having a first electrode, a piezoelectric layer, and a second electrode, stacked thereon, a cavity disposed between the insulation layer and the resonating portion, a protruded portion having a plurality of protrusions disposed on a lower surface of the cavity, and a hydrophobic layer disposed on an upper surface of the cavity and a surface of the protruded portion.
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公开(公告)号：US20200067483A1
公开(公告)日：2020-02-27
申请号：US16668118
申请日：2019-10-30
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Ran Hee SHIN , Tae Kyung LEE , Sung HAN , Yun Sung KANG , Sung Sun KIM , Jin Suk SON , Jeong Suong YANG , Hwa Sun LEE , Eun Tae PARK
Abstract: An acoustic resonator and a method of manufacturing the same are provided. The acoustic resonator includes a resonating part including a first electrode, a second electrode, and a piezoelectric layer; and a plurality of seed layers disposed on one side of the resonating part.
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公开(公告)号：US20180294792A1
公开(公告)日：2018-10-11
申请号：US15876791
申请日：2018-01-22
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Moon Chul LEE , Tah Joon PARK , Jae Chang LEE , Tae Yoon KIM , Chang Hyun LIM , Hwa Sun LEE , Tae Hun LEE , Hyun Min HWANG , Tae Kyung LEE
Abstract: A bulk acoustic wave (BAW) resonator includes: a substrate; a first BAW resonator including a first air cavity disposed in the substrate, and further including a first electrode, a first piezoelectric layer, and a second electrode stacked on the first air cavity; a second BAW resonator including a second air cavity disposed in the substrate, and further including a first electrode, a second piezoelectric layer, and a second electrode stacked on the second air cavity, wherein the second BAW resonator is connected in parallel to the first BAW resonator and has polarities that are opposite of polarities of the first BAW resonator; and a compensation capacitor circuit connected between the first BAW resonator and the second BAW resonator.
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公开(公告)号：US20180278230A1
公开(公告)日：2018-09-27
申请号：US15788062
申请日：2017-10-19
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Tae Kyung LEE , Tae Yoon KIM , Sang Kee YOON , Chang Hyun LIM , Jong Woon KIM , Moon Chul LEE
Abstract: An acoustic wave resonator includes a resonating part disposed on and spaced apart from a substrate by a cavity, the resonating part including a membrane layer, a first electrode, a piezoelectric layer, and a second electrode that are sequentially stacked. 0 Å≤ΔMg≤170 Å may be satisfied, ΔMg being a difference between a maximum thickness and a minimum thickness of the membrane layer disposed in the cavity.
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公开(公告)号：US20180102751A1
公开(公告)日：2018-04-12
申请号：US15702176
申请日：2017-09-12
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Chang Hyun LIM , Won HAN , Moon Chul LEE , Tae Kyung LEE
CPC classification number: H03H3/04 , H03H9/02118 , H03H9/132 , H03H9/173 , H03H9/174 , H03H9/547 , H03H2003/021 , H03H2003/023 , H03H2003/0442 , H03H2009/02173
Abstract: A bulk-acoustic wave resonator includes: a membrane layer disposed on a substrate and forming a cavity; a lower electrode disposed on the membrane layer; a piezoelectric layer disposed on the lower electrode; an upper electrode disposed on the piezoelectric layer, and including a frame part disposed at an edge of an active area and having a thickness greater than that of a portion of the upper electrode disposed in a central portion of the active area; and a frequency adjusting layer disposed on the piezoelectric layer and the upper electrode. The frequency adjusting layer is excluded from an inclined surface of the frame part, or a thickness of a portion of the frequency adjusting layer on the inclined surface is less than that of other portions of the frequency adjusting layer. The frequency adjusting layer is disposed on a portion of the piezoelectric layer protruding from the upper electrode.
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Patent Agency Ranking
公开(公告)号：US20180062620A1
公开(公告)日：2018-03-01
申请号：US15462110
申请日：2017-03-17
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor： Tae Kyung LEE , Yong Jin KANG , Moon Chul LEE , Jae Hyoung GIL , Chang Hyun LIM , Tae Yoon KIM
IPC: H03H9/60 , H03H9/54 , H01L41/047
CPC classification number: H03H9/60 , H01L41/0477 , H03H3/02 , H03H9/547
Abstract: A bulk-acoustic wave filter device includes: a lower electrode layer disposed on the substrate; a bonding part disposed on the lower electrode layer, at an edge of the substrate; a ground part spaced apart from the bonding part; and a flow suppressing part disposed between the bonding part and the ground part, and offset with respect to the bonding part and the ground part.
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公开(公告)号：US20170373665A1
公开(公告)日：2017-12-28
申请号：US15452090
申请日：2017-03-07
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Tae Kyung LEE , Jae Sang LEE , Sung HAN , Sung Sun KIM , In Young KANG , Ran Hee SHIN
Abstract: A bulk acoustic wave resonator includes a substrate, a first electrode and a second electrode formed on the substrate, and a piezoelectric layer provided between the first electrode and the second electrode. Either one or both of the first electrode and the second electrode include a molybdenum-tungsten alloy having a weight ratio of molybdenum to tungsten in a range of 3:1 to 1:3.
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公开(公告)号：US20170237408A1
公开(公告)日：2017-08-17
申请号：US15271579
申请日：2016-09-21
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Sung HAN , Dae Ho KIM , Ran Hee SHIN , Hwa Sun LEE , Chang Hyun LIM , Tae Kyung LEE , Sung Sun KIM
CPC classification number: H03H9/17 , H03H3/02 , H03H9/02118 , H03H9/13 , H03H9/173 , H03H9/54 , H03H2003/021
Abstract: A resonator includes a resonating portion including a first electrode, a second electrode, and a piezoelectric layer positioned between the first electrode and the second electrode; and a frame provided at an outer edge of the resonating portion, at least a portion of the frame covering an outer end portion of the second electrode.
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公开(公告)号：US20150147537A1
公开(公告)日：2015-05-28
申请号：US14514086
申请日：2014-10-14
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Tae Kyung LEE , Beom Seok OH , Deok Seok OH
CPC classification number: C09D175/06 , C08G2150/20 , C08K9/02 , C09D17/00 , G06F1/16 , G06F3/041 , G06F2203/04103 , Y10T428/24777
Abstract: Embodiments of the invention provide a composite powder including a core layer disposed at the center thereof and formed of a reflecting material, a first coating layer formed on a surface of the core layer, and a second coating layer formed on a surface of the first coating layer and having a refractive index higher than that of the first coating layer. According to at least one embodiment, high whiteness is more effectively implemented through a bezel in a thin film shape by forming a bezel layer and a reflecting layer of a touch sensor.
Abstract translation: 本发明的实施方案提供了一种复合粉末，其包括设置在其中心并由反射材料形成的芯层，形成在芯层表面上的第一涂层和形成在第一涂层的表面上的第二涂层 并且折射率高于第一涂层的折射率。 根据至少一个实施例，通过形成边框层和触摸传感器的反射层，通过薄膜形状的边框更有效地实现高白度。
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公开(公告)号：US20150145826A1
公开(公告)日：2015-05-28
申请号：US14554950
申请日：2014-11-26
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Tae Kyung LEE , Jang Ho PARK , Beom Seok OH , Deok Seok OH
CPC classification number: G06F3/044 , G06F2203/04112
Abstract: Embodiments of the invention provide a touch sensor including a substrate, and an electrode on the substrate. The electrode includes a first diffusion barrier contacting the substrate, an intermediate layer formed on the first diffusion barrier, and a second diffusion barrier formed on the intermediate layer. According to an embodiment of the invention, corrosion of the intermediate layer and performance degradation caused by diffusion may be prevented by forming the intermediate layer on the first diffusion barrier contacting the substrate and forming the second diffusion barrier on the intermediate layer.
Abstract translation: 本发明的实施例提供一种触摸传感器，其包括基板和基板上的电极。 电极包括与基板接触的第一扩散阻挡层，形成在第一扩散阻挡层上的中间层和形成在中间层上的第二扩散阻挡层。 根据本发明的一个实施方案，可以通过在与基板接触的第一扩散阻挡层上形成中间层并在中间层上形成第二扩散阻挡层来防止中间层的腐蚀和由扩散引起的性能下降。
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