Invention Grant
- Patent Title: MEMS digital variable capacitor design with high linearity
-
Application No.: US14779542Application Date: 2014-04-02
-
Publication No.: US09711291B2Publication Date: 2017-07-18
- Inventor: Richard L. Knipe , Robertus Petrus Van Kampen
- Applicant: CAVENDISH KINETICS, INC.
- Applicant Address: US CA San Jose
- Assignee: Cavendish Kinetics, Inc.
- Current Assignee: Cavendish Kinetics, Inc.
- Current Assignee Address: US CA San Jose
- Agency: Patterson & Sheridan, LLP
- International Application: PCT/US2014/032723 WO 20140402
- International Announcement: WO2014/165624 WO 20141009
- Main IPC: H01G5/18
- IPC: H01G5/18 ; B81B3/00 ; H01G5/16 ; H01H59/00 ; H01G5/011 ; H01G5/013

Abstract:
The present invention generally relates to a MEMS DVC and a method for fabrication thereof. The MEMS DVC comprises a plate movable from a position spaced a first distance from an RF electrode and a second position spaced a second distance from the RF electrode that is less than the first distance. When in the second position, the plate is spaced from the RF electrode by a dielectric layer that has an RF plateau over the RF electrode. One or more secondary landing contacts and one or more plate bend contacts may be present as well to ensure that the plate obtains a good contact with the RF plateau and a consistent Cmax value can be obtained. On the figure PB contact is the plate bend contact, SL contact is the Second Landing contact and the PD electrode is the Pull Down electrode.
Public/Granted literature
- US20160055980A1 MEMS DIGITAL VARIABLE CAPACITOR DESIGN WITH HIGH LINEARITY Public/Granted day:2016-02-25
Information query