公开(公告)号：US11682527B2

公开(公告)日：2023-06-20

申请号：US17307388

申请日：2021-05-04

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Jang Yeol Lee ,  Hye Min Bang ,  Tae Joon Park ,  Hai Joon Lee

IPC: H01G4/30 ,  H01G4/008 ,  H01G4/012 ,  H01G4/248

CPC classification number: H01G4/30 ,  H01G4/008 ,  H01G4/012 ,  H01G4/248

Abstract: A multilayer capacitor includes a body including a stack structure in which a plurality of dielectric layers are stacked and a plurality of internal electrodes are stacked with the dielectric layers interposed therebetween, external electrodes formed on an external surface of the body to be connected to the internal electrodes, and including a first electrode layer covering a first surface of the body to which the internal electrodes are exposed, and a second electrode layer covering the first electrode layer, a first metal oxide layer disposed between the first and second electrode layers and having a discontinuous region, and a second metal oxide layer covering at least a portion of a surface of the body on which the external electrodes are not disposed and having a multilayer structure.

公开(公告)号：US09722572B2

公开(公告)日：2017-08-01

申请号：US14508770

申请日：2014-10-07

Applicant: Samsung Electro-Mechanics Co., Ltd.

Inventor： Seung Mo Lim ,  Ho Phil Jung ,  Won Han ,  Dong Joon Oh ,  Sung Wook Kim ,  Tae Joon Park

IPC: H01L41/18 ,  H03H9/19 ,  H03H9/13

CPC classification number: H03H9/19 ,  H03H9/13

Abstract: Embodiments of the invention provide a quartz vibrator, including a long side in a Y′ axis direction, a side in the Y′ axis direction including a first crystal face and a second crystal face formed thereon, and another side including an AT-cut quartz piece including a first crystal face and a second crystal face formed thereon and electrode layers formed on the AT-cut quartz piece.