Invention Grant
US09478726B2 Actuator module having a multi-layer actuator arranged in a housing and a continuously extremely low leakage current at the actuator surface
有权
致动器模块具有布置在壳体中的多层致动器，并且在致动器表面处具有连续极低的泄漏电流
- Patent Title: Actuator module having a multi-layer actuator arranged in a housing and a continuously extremely low leakage current at the actuator surface
- Patent Title (中): 致动器模块具有布置在壳体中的多层致动器，并且在致动器表面处具有连续极低的泄漏电流
-
Application No.: US14371495Application Date: 2013-01-10
-
Publication No.: US09478726B2Publication Date: 2016-10-25
- Inventor: Reiner Bindig , Hans-Jürgen Schreiner
- Applicant: Reiner Bindig , Hans-Jürgen Schreiner
- Applicant Address: DE Plochingen
- Assignee: CeramTec GmbH
- Current Assignee: CeramTec GmbH
- Current Assignee Address: DE Plochingen
- Agency: Norton Rose Fulbright US LLP
- Priority: DE102012200328 20120111
- International Application: PCT/EP2013/050393 WO 20130110
- International Announcement: WO2013/104710 WO 20130718
- Main IPC: H01L41/083
- IPC: H01L41/083 ; H01L41/053
Abstract:
The invention relates to actuator module (22) having a piezoceramic multilayer actuator (1) arranged in a casing (23). In order to avoid an increase in conductivity and hence rising leakage current at the actuator surface even after a long period of use, the invention proposes that the casing (23) is hermetically sealed, and a chamber (24) is arranged between the multilayer actuator (1) and the casing (23), which chamber is entirely or partially filled with a medium (21) that chemically transforms and/or binds water.
Public/Granted literature
Information query
IPC分类:
