Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Amorphous semiconductor material
Patent
1997-12-02
2000-07-18
Mintel, William
Active solid-state devices (e.g., transistors, solid-state diode
Non-single crystal, or recrystallized, semiconductor...
Amorphous semiconductor material
257 55, 257 76, 257 77, 438482, 438483, H01L 310312
Patent
active
06091081&
ABSTRACT:
A structure and manufacturing process of a low dielectric constant interlayer insulating film used between wiring layers and semiconductor devices using such film are disclosed. The insulating film which can withstand in an actual process comprises an amorphous carbon fluoride film. A diamond like carbon film and a silicon excess layer are disposed on both sides of the amorphous carbon fluoride film to be inserted between the wiring layers, whereby adhesion to wiring and another insulating film contacting it is significantly enhanced. In addition, a silicon based insulating film is disposed and flattened on a multilayer film containing an amorphous carbon fluoride film buried with a wiring layer, and is used as a hard mask for anisotropically etching the diamond like carbon film and the amorphous carbon fluoride film with oxygen plasma to form a via hole.
Endo Kazuhiko
Horiuchi Tadahiko
Ishigami Takashi
Ito Shinya
Matsubara Yoshihisa
Mintel William
NEC Corporation
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