Etching and Charging Effects on Dose in Plasma Immersion Ion Implantation

1994 ◽  
Vol 354 ◽  
Author(s):  
Jiqun Shao ◽  
Eaton Corporation ◽  
Shu Qin ◽  
Zhuofan Zhao ◽  
Chung Chan

AbstractA general relation between the implanted dose and the processing time for plasma immersion ion implantation (PHI) can be established through the dynamic sheath model. In practice, etching and charging effects have to be taken into account in PIII dose estimation.Plasma immersion ion implantation (PII) has been tested in fabrication of semiconductor devices with shallow junctions and in hydrogénation of poly-Si thin film transistors (TFT). PIII doping is more suitable than conventional implantation for such applications because of its high dose rate at lower energy. Since the dose rate in PIII does not depend on the area being treated, the effective current will be higher if a larger implanted area is involved. However, the relation between dose and time is not always straightforward. During PIII processing possible etching and charging will affect the total accumulated doses. This paper presents a model for each which allows a proper compensation to be performed.

1996 ◽  
Vol 85 (1-2) ◽  
pp. 56-59 ◽  
Author(s):  
S. Qin ◽  
J.D. Bernstein ◽  
C. Chan ◽  
J. Shao ◽  
S. Denholm

1981 ◽  
Vol 182-183 ◽  
pp. 595-600 ◽  
Author(s):  
M.O. Lampert ◽  
M. Hage-Ali ◽  
J.C. Muller ◽  
M. Toulemonde ◽  
P. Siffert

2001 ◽  
Vol 40 (Part 1, No. 4A) ◽  
pp. 2506-2507
Author(s):  
Jeonghee Cho ◽  
Seunghee Han ◽  
Yeonhee Lee ◽  
Ok Kyung Kim ◽  
Gon-Ho Kim ◽  
...  

1995 ◽  
Vol 396 ◽  
Author(s):  
Shu Qin ◽  
James D. Bernstein ◽  
Yuanzhong Zhou ◽  
Wei Liu ◽  
Chung Chan ◽  
...  

AbstractPlasma ion implantation (PII) hydrogenation has been developed for defect passivation in polycrystalline silicon (poly-Si) thin film transistors (TFTs). A high dose rate PII process using a microwave multipolar bucket (MMB) plasma source and a 12.5 kHz pulse generator achieves saturation of device parameter improvement in 5 minutes, which is much shorter than other hydrogenation methods investigated thus far. These results have been achieved in one sixth the implant time of our previous PII experiments and are in good agreement with our process simulation.


1999 ◽  
Vol 8 (2-5) ◽  
pp. 877-881 ◽  
Author(s):  
R Kalish ◽  
C Uzan-Saguy ◽  
B Ran ◽  
H Ferber ◽  
H Guettler ◽  
...  

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