An ink-jet recording apparatus includes an ink-jet head which includes a plurality of nozzle openings, a plurality of independent ejection chambers respectively correspondingly communicatd with the nozzle openings, diaphragms respectively correspondingly formed in the ejection chambers partly on at least...http://www.google.es/patents/US5513431?utm_source=gb-gplus-sharePatente US5513431 - Method for producing the head of an ink jet recording apparatus
Method for producing the head of an ink jet recording apparatus