The use of metal antimonates at high metal antimonate to binder ratios in buried backside conductive layers of thermographic and photothermographic materials allows the use of thin backside overcoat layers. More specifically, methods for solubilizing and purifying proteins expressed in an insoluble form using low concentrations of chaotropic agents, such as guanidine salts, are provided. The splicing tape defines a trailing edge on the surface of the succeeding web. The arranging tool arranges selected ones of the plurality of logic cell patterns, selected ones of the plurality of power supply cell patterns and selected ones of the plurality of ground cell patterns on cell tracks individually and independently in response to an arrange instruction.