A location history is a collection of locations over time for an object. The method includes subjecting the ceramic cellular ceramic body to a temperature cycle within an interior of an oven. In this read method, until after potential inversion occurs between the main bit line and a complementary main bit line, the time of activating a selection gate is delayed from the times of activating a word line and a reference word line. The apparatus can be further controlled so that an illumination period terminates at or prior to an exposure termination time of the certain row.