| 摘要 |
An ink jet recording head comprises an ink tank, a nozzle for discharging ink, a liquid chamber for retaining a specific amount of ink supplied from the ink tank through a filter, while supplying ink to the nozzle, and a covering member to be bonded to the liquid chamber, and on the circumference of the liquid chamber, a groove is formed to enable bonding agent to be coated therefor, and on the circumference of the covering member, an extrusion is formed to be fitted into the groove. For this ink jet recording head, gas releasing means is provided for releasing gas remaining in the bonding agent to the outside of the groove when the covering member is bonded to the liquid chamber by fitting the extrusion into the groove after the bonding agent is coated in the groove. With the structure thus arranged, it is possible to prevent leakage form occurring between liquid chambers, because voids are not formed by gas remaining in the bonding agent, which may connect liquid chambers adjacent to each other, and each of the liquid chambers is airtightly closed in the ink jet recording head for a better performance thereof.
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