Phospho-boro-silanol interlayer dielectric films and preparation

There are disclosed certain categories of novel spin-coating compositions comprising phosphorus-doped and/or boron-doped silsesquioxane oligomers. Cured interlayer dielectric films prepared therefrom have a superior combination of defined properties, particularly including adhesion (of single-coat a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ESTES, WILLIAM E, MARSH, WAYNE E
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:There are disclosed certain categories of novel spin-coating compositions comprising phosphorus-doped and/or boron-doped silsesquioxane oligomers. Cured interlayer dielectric films prepared therefrom have a superior combination of defined properties, particularly including adhesion (of single-coat and multiple coats) and/or resistance against degradation at temperatures above 500 DEG C. The spin-coating compositions are prepared in a critical manner from critical raw materials.