초록

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Abstract ▼ AI-Helper

Increased signal speed can be obtained in three ways: changing the layout and/or the ratio of the width to thickness of the metal lines, decreasing the specific resistance of the interconnect metal, and decreasing the dielectric constant of the insulating material (intermetal dielectric). Further ad...

Increased signal speed can be obtained in three ways: changing the layout and/or the ratio of the width to thickness of the metal lines, decreasing the specific resistance of the interconnect metal, and decreasing the dielectric constant of the insulating material (intermetal dielectric). Further advancement cannot be expected from changing layout or decreasing specific resistance. The only alternative is to use an insulating material with a lower dielectric constant than other ones used presently. A large variety of polymers has been proposed for use as materials with low dielectric constants for applications in microelectronics. In this review, the properties of selected polymers as well as various fabrication methods for polymer thin films are discussed. Based on the properties described so far, and the requirements for applications as intermetal dielectric material, the possibilities for further developments also are discussed.

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