Theoretical analysis of ultra low-k porous films with periodic pore arrangement and high elastic modulus

被引:7
作者
Miyoshi, H [1 ]
Matsuo, H [1 ]
Oku, Y [1 ]
Tanaka, H [1 ]
Yamada, K [1 ]
Mikami, N [1 ]
Takada, S [1 ]
Hata, N [1 ]
Kikkawa, T [1 ]
机构
[1] ASET, MIRAI Project, Tsukuba, Ibaraki 3058569, Japan
来源
PROCEEDINGS OF THE IEEE 2003 INTERNATIONAL INTERCONNECT TECHNOLOGY CONFERENCE | 2003年
关键词
D O I
10.1109/IITC.2003.1219712
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
We have demonstrated that the periodicity in pore structure increases the elastic modulus E with maintaining the dielectric constant k by analytical and numerical calculations. The periodic porous silica films having the hexagonal arrangement of circular cylindrical pores with k < 2.0 and E > 3 GPa is feasible at the porosity of 0.62 with the bulk material of k(b) = 4.0 and E-b > 21 GPa. Calculation results have been confirmed with the experimental data by taking into account the experimental pore shape. The periodic porous silica films having the three-dimensional cubic structure of spherical pores with k < 2.0 and E > 3GPa is feasible at the porosity of 0.60 using the bulk material of k(b) = 4.0 and E-b > 12 GPa.
引用
收藏
页码:57 / 59
页数:3
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