公开(公告)号：EP2462789B1

公开(公告)日：2013-03-27

申请号：EP10735237.9

申请日：2010-07-14

Applicant: Robert Bosch GmbH

Inventor： DOTTERWEICH, Oliver ,  TAEUBER, Antje ,  SCHNEIDER, Jens ,  LEUSCHNER, Thomas ,  COUTO PETRI, Dulce Maria ,  RENGER, Christoph ,  SAUERHAMMER, Michael ,  ROTTMANN, Andreas

IPC: H05K3/42 ,  G01N27/407

CPC classification number: H05K3/445 ,  G01N27/4075 ,  H05K3/4061 ,  H05K2201/09581 ,  H05K2201/09981 ,  Y10T29/49002

公开(公告)号：EP2462789A1

公开(公告)日：2012-06-13

申请号：EP10735237.9

申请日：2010-07-14

Applicant: Robert Bosch GmbH

Inventor： DOTTERWEICH, Oliver ,  TAEUBER, Antje ,  SCHNEIDER, Jens ,  LEUSCHNER, Thomas ,  COUTO PETRI, Dulce Maria ,  RENGER, Christoph ,  SAUERHAMMER, Michael ,  ROTTMANN, Andreas

IPC: H05K3/42 ,  G01N27/407

CPC classification number: H05K3/445 ,  G01N27/4075 ,  H05K3/4061 ,  H05K2201/09581 ,  H05K2201/09981 ,  Y10T29/49002

Abstract: The invention relates to a sensor element, in particular for establishing a physical property of a gas, in particular for establishing the concentration of a gas component or the temperature of an exhaust gas of an internal combustion engine, the sensor element (20) comprising a first solid electrolyte layer (21), the first solid electrolyte layer (21) comprising an interlayer connection hole (25), the sensor element (20) further comprising a conductor (41) producing an electrically conductive connection from the top side (211) of the first solid electrolyte layer (21) to the bottom side (212) of the first solid electrolyte layer (21) through the interlayer connection hole (25), and the first solid electrolyte layer (21) being electrically insulated from the conductor (41) by an insulator (42) in the interlayer connection hole (25), characterized in that the wall (251) of the interlayer connection hole (25) comprises a chamfer (51), and to a method for producing a sensor element.