A positive photosensitive composition comprising (A) an acid generator that generates an acid upon irradiation of an actinic ray or radiation, (B) a resin that has a monocyclic or polycyclic alicyclic hydrocarbon structure and is decomposed by the action of an acid to increase solubility in an alkali...http://www.google.com.au/patents/US7192681?utm_source=gb-gplus-sharePatent US7192681 - Positive photosensitive composition
