SUMIRESIST

Photoresists; chemical coatings, namely, acid resistant non-conducting chemical coatings used to protect desired portions of a circuit pattern from the action of the etchant in the manufacture of semiconductor devices; chemical coatings, namely, alkali resistant non-conducting chemical coatings used to protect desired portions of a circuit pattern from the action of the etchant in the manufacture of semiconductor devices; chemicals for use in the manufacture of products and components for the electronic and semiconductor industry