A super low-k (k=1.1) silica aerogel film using supercritical drying technique

被引:4
作者
Kawakami, N [1 ]
Fukumoto, Y [1 ]
Kinoshita, T [1 ]
Suzuki, K [1 ]
Inoue, K [1 ]
机构
[1] Kobe Steel Ltd, Elect Res Lab, Nishi Ku, Kobe, Hyogo 6512271, Japan
来源
PROCEEDINGS OF THE IEEE 2000 INTERNATIONAL INTERCONNECT TECHNOLOGY CONFERENCE | 2000年
关键词
D O I
10.1109/IITC.2000.854306
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 porous silica aerogel film as low-k dielectrics is demonstrated for the first time. An "on-wafer" gelation technique in ammonium hydroxide vapor is developed to enhance the process compatibility with the conventional spin-on dielectric process in ULSI technology. By using a supercritical drying process, which is free from capillary forces, a high porosity aerogel film with a k value of 1.1 is obtained.
引用
收藏
页码:143 / 145
页数:3
相关论文
共 4 条
[1]  
HRUBESH LW, 1995, MATER RES SOC SYMP P, V371, P195
[2]  
LIST RS, 1997 S VLSI TECHN DI, P77
[3]  
RAMOS T, 1997, P ADV MET C ULSI, V12, P455
[4]   HYDROPHOBIC SILICA AEROGELS [J].
YOKOGAWA, H ;
YOKOYAMA, M .
JOURNAL OF NON-CRYSTALLINE SOLIDS, 1995, 186 :23-29