公开(公告)号：US12232422B2

公开(公告)日：2025-02-18

申请号：US17272063

申请日：2019-10-01

Applicant: TDK Electronics AG

Inventor： Denis Orosel ,  Yongli Wang

IPC: H01L41/18 ,  H10N30/097 ,  H10N30/40 ,  H10N30/50 ,  H10N30/853

Abstract: In an embodiment a piezoelectric multilayer component includes a ceramic main body comprising a ceramic material, wherein a main component of the ceramic material has the general empirical formula (KxNa1-x)NbO3, where 0≤x≤1, wherein the ceramic material comprises at least two additives selected from a number of compounds respectively comprising at least one metal, wherein a metal of a first additive comprises at least K, Nb, Cu, Mn or Ta, and wherein a metal of a second additive comprises K, Nb or Ta.

公开(公告)号：US20250151624A1

公开(公告)日：2025-05-08

申请号：US19016341

申请日：2025-01-10

Applicant: TDK Electronics AG

Inventor： Denis Orosel ,  Yongli Wang

IPC: H10N30/50 ,  H10N30/097 ,  H10N30/40 ,  H10N30/853

Abstract: In an embodiment a method for producing a piezoelectric multilayer component having a ceramic main body that includes a ceramic material includes performing a first calcination step and performing a second calcination step.

公开(公告)号：US20250169364A1

公开(公告)日：2025-05-22

申请号：US18840420

申请日：2023-02-23

Applicant: TDK Electronics AG

Inventor： Matthias Lischka ,  Denis Orosel ,  Markus Koini ,  Markus Puff ,  Johann Pichler ,  Martina Kreuzbichler

IPC: H10N30/853 ,  C04B35/26 ,  C04B35/468 ,  H10N30/097

Abstract: In an embodiment a piezoelectric component includes a piezoelectric layer having a polycrystalline piezoelectric ceramic material with a coercive field strength of at least 1.8 kV/mm and a carrier element to which the piezoelectric layer is arranged and with which the piezoelectric layer is mechanically coupled.

公开(公告)号：US11608301B2

公开(公告)日：2023-03-21

申请号：US16621149

申请日：2018-06-12

Applicant: TDK Electronics AG

Inventor： Denis Orosel ,  Markus Puff ,  Bernhard Döllgast ,  Alexander Glazunov

IPC: C04B35/49 ,  H01L41/18 ,  C04B37/02 ,  C04B35/491 ,  C04B35/64 ,  H01L41/107 ,  H01L41/187 ,  H01L41/273

Abstract: A hard lead zirconate titanate (PZT) ceramic has an ABO3 structure with A sites and B sites. The PZT ceramic is doped with Mn and with Nb on the B sites and the ratio Nb/Mn is

公开(公告)号：US20210296564A1

公开(公告)日：2021-09-23

申请号：US17272063

申请日：2019-10-01

Applicant: TDK Electronics AG

Inventor： Denis Orosel ,  Yongli Wang

IPC: H01L41/083 ,  H01L41/107 ,  H01L41/187 ,  H01L41/43

Abstract: In an embodiment a piezoelectric multilayer component includes a ceramic main body comprising a ceramic material, wherein a main component of the ceramic material has the general empirical formula (KXNa1-X)NbO3, where 0≤x≤1, wherein the ceramic material comprises at least two additives selected from a number of compounds respectively comprising at least one metal, wherein a metal of a first additive comprises at least K, Nb, Cu, Mn or Ta, and wherein a metal of a second additive comprises K, Nb or Ta.