Abstract
ABSTRACTReliability is an important requirement for the newly developed porous low-k ILD materials that are being introduced into (BEOL). Dependence of Young's moduli, as measured by nanoindentation technique, on the environment [such as high relative humidity, water immersion and recovery] is presented along with FT-IR spectra for a number of films with different k values. Effect of the moduli changes on cracking behavior is also discussed.
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