DNQ-TYPE PHOTORESIST COMPOSITION INCLUDING ALKALI-SOLUBLE ACRYLIC RESINS

Describe herein is a composition comprising: an acrylic polymer comprising repeat units selected from ones having structure (1), (2), (3), (4), (5), (6), and (7) wherein these repeat units are present in said acrylic polymer in the mole % ranges as described herein; a Novolak resin having a dissolut...

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Bibliographische Detailangaben
Hauptverfasser: TOUKHY, Medhat A, LIU, Weihong, LU, Ping-Hung, CHEN, Chunwei
Format: Patent
Sprache:eng
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Zusammenfassung:Describe herein is a composition comprising: an acrylic polymer comprising repeat units selected from ones having structure (1), (2), (3), (4), (5), (6), and (7) wherein these repeat units are present in said acrylic polymer in the mole % ranges as described herein; a Novolak resin having a dissolution rate in 0.26 N aqueous TMAH of at least 50 Å/sec; a diazonaphthoquinone (DNQ) photoactive compound (PAC); and an organic spin casting solvent, and a process of using said composition as a positive photoresist developable in aqueous base.