DocumentCode
3365030
Title
A novel methdod for processing capacitive micromechanical ultrasonic transducers (cMUT)
Author
Saarilahti, J. ; Blomberg, M. ; Haard, A. ; Kattelus, H.
Author_Institution
VTT, Centre for Microelectron., Espoo, Finland
Volume
2
fYear
2002
fDate
8-11 Oct. 2002
Firstpage
1071
Abstract
The cMUTs presented in this study are based on a new surface micromachining process, where part of the top electrode of the cMUT is fabricated of porous polysilicon. This method gives many advantages over the previously reported fabrication processes.
Keywords
capacitive sensors; elemental semiconductors; micromachining; porous semiconductors; silicon; surface treatment; ultrasonic transducers; Si; cMUT; capacitive micromechanical ultrasonic transducers; fabrication processes; porous polysilicon; surface micromachining process; top electrode; Biomembranes; Capacitors; Conducting materials; Electrodes; Etching; Fabrication; Micromachining; Micromechanical devices; Silicon; Ultrasonic transducers;
fLanguage
English
Publisher
ieee
Conference_Titel
Ultrasonics Symposium, 2002. Proceedings. 2002 IEEE
Conference_Location
Munich, Germany
ISSN
1051-0117
Print_ISBN
0-7803-7582-3
Type
conf
DOI
10.1109/ULTSYM.2002.1192480
Filename
1192480
Link To Document