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| Method of attaching a fastening element to a panel |
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| Electronic-component mounting system |
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| Method of measuring accuracy of electric-component mounting system |
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| Artificial turf-like product |
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Process for producing an ink jet recording head
| Details |
Inventors: Orikasa, Tsuyoshi; Ichikawa, Fumio; Masuda, Kazuaki; Maeoka, Kunihiko; Watanabe, Takashi; Sato, Osamu; Goto, Akira;
Assignee: Canon Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Cuda; Irene
Assistant Examiner:
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto
An ink jet recording head is produced by forming in a first substrate a plurality of orifices for ejecting an ink droplet and a reference object for registration; forming in a second substrate ejection energy generating elements for supplying energy for ejecting the ink placed in liquid passages communicating with the orifices; and joining the first substrate and the second substrate together on the basis of the reference object for registration. |
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DETAILED DESCRIPTION In a first aspect of the present invention, there is provided a process for producing an ink jet recording head for ejecting an ink, the process comprising the steps of: joining together a first substrate and a second substrate, the first substrate having ejection energy generating elements for supplying energy for ejecting an ink, the second substrate integrally having an orifice plate having orifices formed therein for ejecting an ink, a front plate member provided integrally with the orifice plate, and grooves and projections for constituting ink passages communicating with the orifices by being joined to the first substrate; joining a part of a joining member composed of the first substrate and the second substrate to a supporting base plate having grooves in a part of the surface to be joined to the joining product, the grooves extending beyond the surface, thereby covering a front surface of the supporting base plate by a part of the front plate member of the second substrate; and filling a sealing compound into gaps between the front plate member and the front surface of the supporting base plate through the grooves.
Here, the grooves may extend radially from the neighborhood of the center of the orifice plate.
The ejection energy generating elements may generate thermal energy to generate a bubble and the ink may be ejected accompanied by generating the bubble.
The ink jet recording head may accommodate ink to be ejected from the orifices.
In a second aspect of the present invention, there is provided a process for producing an ink jet recording head comprising a first substrate provided with a plurality of orifices for ejecting an ink, and a second substrate combined with the first substrate and provided with ejection energy generating elements for supplying energy for ejecting the ink, the process comprising the steps of: detecting a reference object for registration which is provided in the first substrate and which is used when the second substrate is combined with the first substrate; and joining together the first substrate and the second substrate with reference to the detected reference object for registration
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Metal Working 
