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Integration of fluorine-doped silicon oxide in copper pilot line for 0.12-μm technology
The FSG (fluorine-doped silicon glass) was introduced as dielectric for copper interconnects in order to take advantage of its lower dielectric constant. With a gain of 18% in the constant value, it makes the shrink of metal dimension possible for 0.12- mu m technology devices with limited cross-tal...
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Published in: | Microelectronic engineering 2002, Vol.60 (1-2), p.113-118 |
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container_end_page | 118 |
container_issue | 1-2 |
container_start_page | 113 |
container_title | Microelectronic engineering |
container_volume | 60 |
creator | REYNARD, J. P VEROVE, C SABOURET, E MOTTE, P DESCOUTS, B CHATON, C MICHAILOS, J BARLA, K |
description | The FSG (fluorine-doped silicon glass) was introduced as dielectric for copper interconnects in order to take advantage of its lower dielectric constant. With a gain of 18% in the constant value, it makes the shrink of metal dimension possible for 0.12- mu m technology devices with limited cross-talks or delays in the information transmission. In spite of its strong sensitivity to water and moisture absorption, we could integrate this material in the dual damascene structure for copper application for 0.12- mu m technology. The use of appropriate capping layer and optimisation of fluorine content made the integration possible with optimal dielectric properties. copyright 2002 Elsevier Science B.V. All rights reserved. |
doi_str_mv | 10.1016/S0167-9317(01)00586-X |
format | article |
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source | ScienceDirect Journals |
subjects | Applied sciences Design. Technologies. Operation analysis. Testing Electronic equipment and fabrication. Passive components, printed wiring boards, connectics Electronics Exact sciences and technology Integrated circuits Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices |
title | Integration of fluorine-doped silicon oxide in copper pilot line for 0.12-μm technology |
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