Photosensitive copying composition

US4266000A · kind A · utility

Assignee

• Hoechst GmbH · DE

Inventors

• Paul Stahlhofen · Wiesbaden, DE
• Fritz Erdmann · Eltville am Rhein, DE

Key dates

• Filing date: Sep 18, 1978
• Grant date: May 5, 1981
• Expiry date: Sep 18, 1998

Classification

• Technology area (CPC G): Physics
• CPC primary: G03F7/022
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

This invention relates to a photosensitive copying composition comprising a solvent and a naphthoquinone-(1,2)-diazidesulfonic acid ester as the photosensitive compound, said naphthoquinone diazide sulfonic acid ester having the general formula I ##STR1## wherein: X is a single bond or one of the groups ##STR2## R.sup.1, R.sup.1' and R.sup.1" are the same or different and are H or D, R.sup.2 and R.sup.2' are the same or different and are H or halogen, PA1 R.sup.3 is halogen or D, and PA1 D is a naphthoquinone-(1,2)-diazidesulfonyloxy group.