A positive photosensitive composition comprises: (A) 5 to 20 parts by
weight of the total amount of at least one compound that generates an
acid upon irradiation with an actinic ray; and (B) 100 parts by weight of
the total amount of at least one fluorine atom-containing resin having a
group that increases a solubility of the resin in an alkaline developer
by the action of an acid.