| 摘要 |
A substrate for a recording head has a plurality of recording elements, a plurality of functional elements electrically connected to the recording elements, and a common electrode electrically connected to the recording elements and selectively feeding a driving signal to the recording elements on a base boad. Also, the common electrode is prepared as a layer by the same step as that of forming a conductor electrode layer to be electrically connected to a semiconductor layer constituting the functional elements arranged in the substrate. Therefore, the recording apparatus, can be prepared by the process including the step of forming the recording elements and simultaneously connecting these elements to reduce the number of film forming operations.
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