Method of manufacturing head of inkjet printer

Details Method of manufacturing head of inkjet printer Method of manufacturing head of inkjet printer

2005-08-02

2005-08-02

Arbes, Carl J. (Department: 3729)

Metal working

Method of mechanical manufacture

Fluid pattern dispersing device making, e.g., ink jet

C029S890100

Reexamination Certificate

active

06922892

ABSTRACT:
A method of manufacturing a head of an inkjet printer includes forming a heater on a substrate and also forming an ink feeding passage through the substrate in a vertical relation to a surface where the heater is formed, forming an ink chamber communicating with the ink feeding passage of the substrate; attaching the substrate to the nozzle plate, and forming a tapered nozzle in the nozzle plate, the tapered nozzle being narrower in diameter in an inside of the nozzle plate than an outside of the nozzle plate, by radiating a laser beam from inside toward the outside of the nozzle plate, wherein the substrate is used as a mask. Since the nozzle is formed by radiating the laser beam to the nozzle plate through the ink feeding passage of the substrate after attaching the nozzle plate to the substrate, the accuracy of the nozzle in form and position improves, and the nozzle of desirable structure of the improved ink discharge efficiency can be obtained by radiating the laser beam only once. Also, the manufacturing process becomes simpler, and due to improved manufacturing process, the productivity increases.

REFERENCES:
patent: 5455998 (1995-10-01), Miyazono et al.
patent: 5594292 (1997-01-01), Takeuchi et al.
patent: 5745129 (1998-04-01), Moriyama et al.
patent: 5748214 (1998-05-01), Usui et al.
patent: 5953029 (1999-09-01), Keefe et al.

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