Actinic ray-sensitive or radiation-sensitive resin composition and pattern forming method using same

An actinic ray-sensitive or radiation-sensitive resin composition comprises (A) a resin that exhibits an increased solubility in an alkali developer when acted on by an acid, and (B) at least two types of sulfonic acid generators that generate a sulfonic acid when exposed to actinic rays or radiatio...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KATO TAKAYUKI, TAKAHASHI HYOU, SHIRAKAWA MICHIHIRO
Format: Patent
Sprache:eng
Schlagworte:
Online-Zugang:Volltext bestellen
Tags: Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
Beschreibung
Zusammenfassung:An actinic ray-sensitive or radiation-sensitive resin composition comprises (A) a resin that exhibits an increased solubility in an alkali developer when acted on by an acid, and (B) at least two types of sulfonic acid generators that generate a sulfonic acid when exposed to actinic rays or radiation, wherein the two types of sulfonic acid generators (B) consist of sulfonic acid generators (B1) and (B2) satisfying the following requirements, namely the sulfonic acid generator (B1) generates a sulfonic acid composed of 9 to 20 elements with an acid strength (pKa) satisfying the relationship pKapKa −3.50, provided that no hydrogen atom is included in the number of elements of the generated acids.