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公开(公告)号:EP4443452A2
公开(公告)日:2024-10-09
申请号:EP23188916.3
申请日:2023-08-01
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Kim, Hyoung Uk , Kim, Yun , Kwon, Hyung Soon , Nam, Kwang Hee , Yoon, Seok Hyun
IPC: H01G4/12 , C04B35/465 , H01G4/30
CPC classification number: H01G4/30 , H01G4/1227 , H01G4/1218 , H01G4/1209 , C04B35/465
Abstract: A multilayer electronic component includes: a body including a dielectric layer including a plurality of dielectric grains and internal electrodes alternately disposed with the dielectric layer; and an external electrode disposed on the body and connected to the internal electrodes At least one of the plurality of dielectric grains includes Ba, Ti, Sn, and a rare earth element and has a core-dual shell structure, which includes a core, a first shell disposed on at least a portion of the core, and a second shell disposed on at least a portion of the first shell. When an average molar ratio of Sn to Ti included in the first and second shells is S1 and S2, respectively, and an average molar ratio of the rare earth element to Ti included in the first and second shells is R1 and R2, respectively, S1 > S2 and R2 > R1 are satisfied.
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公开(公告)号:EP4421834A2
公开(公告)日:2024-08-28
申请号:EP24153927.9
申请日:2024-01-25
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Ryoo, Hye Won , Kim, Kyung Sik , Baik, Seung In , Choi, Min Young , Lee, Jong Hwan , Kwon, Hyung Soon
CPC classification number: H01G4/30 , H01G4/1227 , H01G4/224 , H01G4/1209
Abstract: A multilayer electronic component includes a body including dielectric layers and internal electrodes; and an external electrode disposed on the body. The body includes a capacitance forming portion including the dielectric layers and the internal electrodes in a first direction, and a cover portion disposed on both end-surfaces of the capacitance forming portion in the first direction. One of the dielectric layers includes a first acceptor element containing Al, a second acceptor element containing at least one of Mg, Mn, or V, and Ti. The one of the dielectric layers and the cover portion include a plurality of dielectric grains, and a ratio (G1/G2) of an average size (G1) of the plurality of dielectric grains included in the one of the dielectric layers relative to an average size (G2) of the plurality of dielectric grains included in the cover portion satisfies 1.00 ≤ G1/G2
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公开(公告)号:EP4418290A1
公开(公告)日:2024-08-21
申请号:EP23192602.3
申请日:2023-08-22
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Kim, Jinseong , Lee, Myungwoo , Jeong, Wonsik
IPC: H01G4/12 , H01G4/30 , C04B35/468 , C04B35/465
CPC classification number: H01G4/30 , H01G4/1227 , H01G4/1209 , C04B35/4682 , C04B2235/44420130101 , C04B2235/72420130101 , C04B2235/322420130101 , C04B2235/326720130101 , C04B2235/323920130101 , C04B2235/321520130101 , C04B2235/321720130101 , C04B2235/324420130101 , C04B2235/341820130101 , C04B35/49 , C04B2235/329320130101 , C04B2235/320620130101 , C04B2235/321320130101 , C04B2235/323220130101 , C04B2235/44220130101 , C04B2235/44120130101 , C04B35/6325 , C04B35/62645 , C04B2235/540920130101 , C04B2235/7720130101
Abstract: Disclosed is a multilayered capacitor including a capacitor body including a dielectric layer and an internal electrode and an external electrode disposed outside the capacitor body. The dielectric layer includes a plurality of dielectric crystal grains, the dielectric crystal grains include barium titanate as a main component and Dy2O3 as a subcomponent, and the barium titanate includes about 0.005 to about 0.065 wt% of Cl.
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公开(公告)号:EP4394826A3
公开(公告)日:2024-08-07
申请号:EP23216218.0
申请日:2023-12-13
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Nam, Chan Hee , Gwon, Oh Hun , Park, Jae Hyun , Paek, Kwan Yeol , Lee, Chang Geon , Chung, Hae Suk
IPC: H01G4/12 , H01G4/30 , C04B35/465 , C04B35/468 , C04B35/475
CPC classification number: H01G4/30 , H01G4/1209 , C04B35/465 , C04B35/468 , C04B2235/3220130101 , H01G4/1218 , H01G4/1227 , C04B35/475
Abstract: A multilayer electronic component includes a body including a dielectric layer and internal electrodes; and external electrodes disposed on the body, wherein the dielectric layer includes a plurality of dielectric grains having a perovskite-based composition represented by ABO3, the A includes a first element including at least one of Bi, Na, K, Sr, and Ca, and the B includes a second element including Ti, wherein at least one of the plurality of dielectric grains has a core-shell structure, and a content of the first element included in the core portion is twice or more than a content of the first element included in the shell portion, and wherein the core portion includes a first core portion on an internal side and a second core portion covering at least a portion of the first core portion, and the second core portion includes Zr.
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公开(公告)号:EP4404223A2
公开(公告)日:2024-07-24
申请号:EP23213943.6
申请日:2023-12-04
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Yoo, Won Hee , Song, Young Hoon , Kim, Hyun Woo
CPC classification number: H01G4/30 , H01G4/012 , H01G4/0085 , H01G4/228 , H01G4/1209 , H01G4/1227
Abstract: A multilayer electronic component includes a body including two or more unit electrode stacks, each unit electrode stack including a dielectric layer and internal electrodes alternately disposed with the dielectric layer in a first direction, wherein the two or more unit electrode stacks are arranged in a line in the first direction, a width of internal electrodes disposed in an upper portion of each unit electrode stack in the first direction among the internal electrodes and a width of internal electrodes disposed in a lower portion of each unit electrode stack in the first direction among the internal electrodes are smaller than a width of the internal electrodes disposed in a central portion in the first direction.
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公开(公告)号:EP4394828A2
公开(公告)日:2024-07-03
申请号:EP23220004.8
申请日:2023-12-22
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Kim, Jin Woo , Park, Moon Soo , Noh, Seung Hyun , Hwang, Moon Kyung , Kim, Chung Hwan , Kim, Hyun Woo
IPC: H01G4/12 , H01G4/228 , H01G4/30 , C04B35/462 , C04B35/465
CPC classification number: H01G4/30 , H01G4/228 , H01G4/1227 , H01G4/1209 , C04B35/462 , C04B35/465 , C04B2235/3220130101
Abstract: A multilayer electronic component includes a capacitance formation portion where the first and second internal electrodes overlap each other in a first direction, a first margin portion disposed on one side surface or the other side surface of the capacitance formation portion in a second direction and including one end of the first or second internal electrode. A dielectric layer includes a first region disposed at a center region of the dielectric layer included in the capacitance formation portion, and a second region included in the first margin portion. At least one element of Mg, Si, Al, Li, Cu, Na, Bi, Mn, Cr, V, Fe, Ni, Co, Sn, In, Ga, Zn, Pb, Ag, Pd, Pt, Ir, Ru, Os, Y, Er, Yb, Tb, Ho, Dy is included in the second region, and not substantially included in the first region.
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公开(公告)号:EP4390991A2
公开(公告)日:2024-06-26
申请号:EP23203994.1
申请日:2023-10-17
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Hong, Hyuk Jin , Song, Young Hoon
CPC classification number: H01G4/1227 , H01G4/30 , H01G4/224 , H01G4/1218
Abstract: A multilayer ceramic capacitor (100a, 100d) includes a body (110) including a capacitance region (116) in which at least one first internal electrode (121) and at least one second internal electrode (122) are alternately stacked in a first direction (T) with at least one dielectric layer (111) interposed therebetween; and first (131) and second external electrodes (132) disposed on the body (110) to be spaced apart from each other with the capacitance region (116) interposed therebetween in a second direction (L), different from the first direction, and respectively connected to the at least one first internal electrode (121) and the at least one second internal electrode (122), wherein the body further includes a plurality of margin regions disposed with the capacitance region interposed therebetween in a third direction, different from the first and second directions, wherein each of the plurality of margin regions (114) includes a second margin region (114b) and a first margin region (114a) disposed between the second margin region (114b) and the capacitance region (116), and wherein a size of a crystal grain (GRAIN2) in the second margin region (114b) is larger than a size of a crystal grain (GRAIN1) in the first margin region (114a).
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公开(公告)号:EP4390990A1
公开(公告)日:2024-06-26
申请号:EP23171345.4
申请日:2023-05-03
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Kim, Kyung Sik , Baik, Seung In , Lee, Jong Hwan , Choi, Min Young
IPC: H01G4/12 , C04B35/468 , H01G4/224 , H01G4/30 , C04B35/465
CPC classification number: H01G4/30 , H01G4/1227 , H01G4/224 , H01G4/1209 , C04B2235/8520130101 , C04B2235/8020130101 , C04B2235/328420130101 , C04B35/468 , C04B35/465 , H01G4/1245
Abstract: A multilayer electronic component includes a body including a dielectric layer and first and second internal electrodes alternately disposed in a first direction with the dielectric layer interposed therebetween, and having first and second surfaces in the first direction, third and fourth surfaces in a second direction, and fifth and sixth surfaces in a third direction; side margin portions disposed on the fifth and sixth surfaces; and external electrodes disposed on the third and fourth surfaces. Side margin portions includes BaTiO3, Zn, and Zr, an amount of Zn and an amount of Zr in the side margin portions are 0.5 mol or more and 1.0 mol or less, relative to 100 mol of Ti included in the side margin portions. The amount of Zn and the amount of Zr in the side margin portions are different from an amount of Zn and an amount of Zr in the dielectric layer.
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公开(公告)号:EP4358105A2
公开(公告)日:2024-04-24
申请号:EP23173855.0
申请日:2023-05-17
Applicant: Samsung Electro-Mechanics Co., Ltd.
Inventor: Kang, Sunghyung , Choi, Hongje , Kim, Oknam
CPC classification number: H01G4/30 , H01G4/232 , H01G4/2325 , H01G4/1227 , H01G4/1236
Abstract: A multilayered capacitor according to an embodiment includes a capacitor body including a dielectric layer and a first internal electrode layer and a second internal electrode layer stacked with the dielectric layer interposed therebetween, a first external electrode and a second external electrode on both sides of the capacitor body in the longitudinal direction, and 2n or more terminal electrodes on both sides of the capacitor body in a width direction. The first internal electrode layer includes n+1 first internal electrode patterns, the second internal electrode layer includes n second internal electrode patterns, and n is an integer greater than or equal to 1.
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公开(公告)号:EP3385967A1
公开(公告)日:2018-10-10
申请号:EP18165037.5
申请日:2018-03-29
Applicant: TDK Corporation
Inventor: UMEDA, Yuji , YAMAZAKI, Kumiko
CPC classification number: H01G4/1254 , C04B35/495 , C04B35/6262 , C04B35/6264 , C04B35/62655 , C04B35/63416 , C04B35/64 , C04B2235/3213 , C04B2235/3215 , C04B2235/3251 , C04B2235/3895 , C04B2235/602 , C04B2235/606 , C04B2235/6567 , C04B2235/77 , H01G4/085 , H01G4/1209 , H01G4/1227 , H01G4/1272 , H01G4/33 , H01L28/55
Abstract: A polycrystalline dielectric thin film comprising a main component made of an oxynitride expressed by a general formula of (M(l) 1-x M(2) x )(M(3) 1-y M(4) y )(O 1-z N z ) 3 . 0 ≤ x ≤ 1, 0 ≤ y ≤ 1, and 0
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