Ink jet recording head, manufacturing method of same, ink jet recording apparatus and ink jet recording head driving method

摘要

An ink jet recording head includes a plurality of recording elements arranged in an array on a substrate, the recording elements having electric resistances with a variance not less than 4% from a resistance value of at least one of the recording elements, wherein the recording elements generate ink ejection energy to effect printing; a plurality of measuring elements, disposed adjacent at least each of the opposite ends of the array of the recording elements, for detecting characteristic values of the recording elements; and storing means for storing an average, a median or a reference value corresponding thereto.