| 摘要 |
PROBLEM TO BE SOLVED: To provide a highly reliable ink jet recording head with a high yield in which lowering of ejection characteristics due to pressure loss of ink is suppressed while preventing incomplete print due to a foreign matter even in such a head as ejecting the same ink with different ejection quantities. SOLUTION: The ink jet recording head is provided, between one ink tank and an ink channel, with a plurality of types of filters having different filter hole/filter area/ink channel diameter depending on respective ejection quantities. COPYRIGHT: (C)2004,JPO&NCIPI
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