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公开(公告)号：EP4147282B1
公开(公告)日：2023-11-22
申请号：EP21718918.2
申请日：2021-04-21
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公开(公告)号：EP4393897A1
公开(公告)日：2024-07-03
申请号：EP22859545.0
申请日：2022-05-24
申请人： Niterra Co., Ltd.
IPC分类号： C04B35/495 , C01G33/00 , C01G45/00 , H10N30/87 , H10N30/853 , H10N30/06
CPC分类号： C01G33/00 , C04B35/495 , C01G45/00
摘要： According to the present invention, a lead-free piezoelectric magnetic composition includes a main phase that comprises an alkali-niobate Perovskite oxide represented by the compositional formula (A1aM1b)c(Nbd1,Mnd2,M2d3)O3+e (in which A1 is at least one type of alkali metal, M1 is at least one of Ba, Ca, and Sr, M2 is at least one of Ti and Zr, 0 1.0, and e is a value that indicates a deficiency or excess of oxygen).
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公开(公告)号：EP4284150A1
公开(公告)日：2023-11-29
申请号：EP22886473.2
申请日：2022-09-08
申请人： Niterra Co., Ltd.
IPC分类号： H10N30/853 , C04B35/495 , H10N30/06 , H10N30/097 , H10N30/50 , H10N30/87
摘要： A piezoelectric element having a piezoelectric body and an electrode in contact with the piezoelectric body: the piezoelectric body being formed of a lead-free piezoelectric ceramic composition which includes a primary phase formed of an alkali niobate-based perovskite oxide represented by a compositional formula (A1 a M1 b ) c (Nb d1 Mn d2 Ti d3 Zr d4 Hf d5 )O 3+e (wherein element A1 represents at least one species among the alkali metals; element M1 represents at least one species among Ba, Ca, and Sr; the following conditions: 0
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4.发明公开
公开(公告)号：EP4422380A1
公开(公告)日：2024-08-28
申请号：EP22883211.9
申请日：2022-08-30
申请人： Kureha Corporation
发明人： IMAJI, Makoto , YAMAGUCHI, Kei
IPC分类号： H10N30/87 , B32B7/023 , B32B7/025 , B32B27/00 , C08J5/18 , C08J7/04 , H10N30/045 , H10N30/06
CPC分类号： B32B7/023 , B32B7/025 , B32B27/00 , C08J5/18 , C08J7/04 , H10N30/06 , H10N30/857 , H10N30/878 , H10N30/883
摘要： Provided is a transparent conductive piezoelectric film (11) having transparency. The transparent conductive piezoelectric film (11) according to the present invention includes a transparent electrode layer (4), and has a piezoelectric constant d31 of 10 pC/N to 40 pC/N and a total transmittance of 90% or greater.
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公开(公告)号：EP3637486B1
公开(公告)日：2024-07-17
申请号：EP18814474.5
申请日：2018-04-19
IPC分类号： H10N30/87 , H10N30/853 , H10N30/00 , H10N30/06
CPC分类号： H10N30/877 , H10N30/8542 , H10N30/076 , H10N30/06 , H10N30/708
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6.发明授权
公开(公告)号：EP4094303B1
公开(公告)日：2023-11-01
申请号：EP21700795.4
申请日：2021-01-22
IPC分类号： H10N30/06 , H10N30/078 , H10N30/00 , H10N30/87
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8.发明公开
公开(公告)号：EP4422381A1
公开(公告)日：2024-08-28
申请号：EP22883212.7
申请日：2022-08-30
申请人： Kureha Corporation
发明人： IMAJI, Makoto
IPC分类号： H10N30/87 , B32B7/023 , B32B7/025 , B32B27/00 , C08J5/18 , C08J7/04 , H10N30/045 , H10N30/06
CPC分类号： B32B7/023 , B32B7/025 , B32B27/00 , C08J5/18 , C08J7/04 , H10N30/06 , H10N30/857 , H10N30/878 , H10N30/883
摘要： It is an object to provide a conductive piezoelectric film having excellent transparency. The transparent conductive piezoelectric film (11) according to the present invention has a transmittance at a wavelength of 450 nm of 75% or greater, a transmittance at a wavelength of 550 nm of 85% or greater, and a piezoelectric constant d33 of 5 pC/N to 40 pC/N, and includes a transparent electrode layer (4).
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9.发明公开
公开(公告)号：EP4391781A1
公开(公告)日：2024-06-26
申请号：EP21966350.7
申请日：2021-11-30
IPC分类号： H10N30/853 , H10N30/06 , H10N35/01 , H10N30/076
CPC分类号： H10N30/076 , H10N30/079 , H10N30/853 , H10N30/708
摘要： According to the present invention, there is provided a film structure including: a substrate; a zirconia-containing film; a sacrificial layer; and a piezoelectric film in this order, in which the substrate, the zirconia-containing film, the sacrificial layer, and the piezoelectric film are each single-crystallized, and the sacrificial layer is able to be selectively removed, a method for producing the film structure, and an apparatus for producing the film structure.
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