Crystal SiGeC far infrared sensor with temperature isolation improvement structure

被引:1
作者
Hsieh, MC [1 ]
Fang, YK [1 ]
Wu, PM [1 ]
Wang, WD [1 ]
机构
[1] Natl Cheng Kung Univ, Dept Elect Engn, Inst Microelect, VLSI Technol Lab, Tainan 70101, Taiwan
关键词
D O I
10.1049/el:20030442
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A novel crystal SiGeC far infrared (FIR) sensor based on the change of resistance in a thermistor has been fabricated and developed. The developed sensor was prepared using the technology of microelectromechanical systems to achieve a better thermal isolation structure. The thermistor in the FIR detector is made Of Si0.68Ge0.31C0.01 thin films for its large activation energy and the temperature coefficient. Finite element method package ANSYS was employed to analyse the thermal isolation in the FIR detector. Responsivity, thermal conductance, thermal time constant were investigated and it was found that the thermal isolation improved structure possesses a much superior performance.
引用
收藏
页码:656 / 658
页数:3
相关论文
共 6 条
[1]  
BALIGA S, 1993, P SOC PHOTO-OPT INS, V2225, P72
[2]   THIN-FILM RESISTANCE BOLOMETER IR DETECTORS [J].
LIDDIARD, KC .
INFRARED PHYSICS, 1984, 24 (01) :57-64
[3]   Thin nickel films as absorbers in pyroelectric sensor arrays [J].
Lienhard, D ;
Heepmann, F ;
Ploss, B .
MICROELECTRONIC ENGINEERING, 1995, 29 (1-4) :101-104
[4]   Compositional variation in Si-rich SiGe single crystals grown by multi-component zone melting method using Si seed and source crystals [J].
Nakajima, K ;
Kusunoki, T ;
Azuma, Y ;
Usami, N ;
Fujiwara, K ;
Ujihara, T ;
Sazaki, G ;
Shishido, T .
JOURNAL OF CRYSTAL GROWTH, 2002, 240 (3-4) :373-381
[5]   GROWTH AND CHARACTERIZATION OF STRAIN COMPENSATED SI1-X-YGEXCY EPITAXIAL LAYERS [J].
REGOLINI, JL ;
GISBERT, F ;
DOLINO, G ;
BOUCAUD, P .
MATERIALS LETTERS, 1993, 18 (1-2) :57-60
[6]   IR bolometers made of polycrystalline silicon germanium [J].
Sedky, S ;
Fiorini, P ;
Caymax, M ;
Verbist, A ;
Baert, C .
SENSORS AND ACTUATORS A-PHYSICAL, 1998, 66 (1-3) :193-199