The use of functionally graded poly-SiGe layers for MEMS applications

A Witvrouw, A Mehta - Materials science forum, 2005 - Trans Tech Publ
It is difficult to meet all the different material and economical requirements posed to a MEMS
structural layer that can be integrated with the electronics on the same substrate using a …

1.156-GHz self-aligned vibrating micromechanical disk resonator

J Wang, Z Ren, CTC Nguyen - IEEE transactions on ultrasonics …, 2004 - ieeexplore.ieee.org
A new fabrication methodology that allows self-alignment of a micromechanical structure to
its anchor (s) has been used to achieve vibrating radial-contour mode polysilicon …

Thermal budget limits of quarter-micrometer foundry CMOS for post-processing MEMS devices

H Takeuchi, A Wung, X Sun, RT Howe… - IEEE transactions on …, 2005 - ieeexplore.ieee.org
Thermal budget limits for low stand-by power (LSP), 0.25/spl mu/m foundry CMOS devices
have been investigated, in order to assess the impact of post-processing …

Microsensor integration into systems-on-chip

O Brand - Proceedings of the IEEE, 2006 - ieeexplore.ieee.org
Sensing systems-on-chip (SSoCs), combining micromachined sensing structures and
microelectronic building blocks on a single chip, are reviewed. While single-chip pressure …

BEOL embedded RF-MEMS switch for mm-wave applications

M Kaynak, KE Ehwald, J Drews… - 2009 IEEE …, 2009 - ieeexplore.ieee.org
We demonstrate for the first time the embedded integration of a Radio Frequency
Microelectromechanical Systems (RF-MEMS) capacitive switch for mm-wave integrated …

Characterization of an embedded RF-MEMS switch

M Kaynak, KE Ehwald, R Scholz… - … Topical Meeting on …, 2010 - ieeexplore.ieee.org
An RF-MEMS capacitive switch for mm-wave integrated circuits, embedded in the BEOL of
0.25¿ m BiCMOS process, has been characterized. First, a mechanical model based on …

Pulsed-laser annealing, a low-thermal-budget technique for eliminating stress gradient in poly-SiGe MEMS structures

S Sedky, RT Howe, TJ King - Journal of …, 2004 - ieeexplore.ieee.org
In this paper, we demonstrate eliminating the stress gradient in polycrystalline silicon
germanium films at temperatures compatible with standard CMOS (Al interconnects) …

Poly-SiGe, a superb material for MEMS

A Witvrouw, M Gromova, A Mehta, S Sedky… - MRS Online …, 2003 - cambridge.org
In this overview article several MEMS applications of poly-SiGe are discussed: thermal
applications, the application as a capping layer for MEMS wafer-level packaging and the …

Processing of MEMS gyroscopes on top of CMOS ICs

A Witvrouw, A Mehta, A Verbist… - ISSCC. 2005 IEEE …, 2005 - ieeexplore.ieee.org
Integrated 10/spl mu/m thick poly-SiGe gyroscopes are processed on top of an 8" standard
0.35/spl mu/m CMOS wafer with 5 metal levels by using an advanced plasma-enhanced …

Novel high growth rate processes for depositing poly-SiGe structural layers at CMOS compatible temperatures

A Mehta, M Gromova, C Rusu, R Olivier… - … Conference on Micro …, 2004 - ieeexplore.ieee.org
This paper describes two novel processes for depositing poly-SiGe films at CMOS-
compatible temperatures (/spl les/450/spl deg/C). A range of deposition temperatures is …