Method for manufacturing an ink-jet head

Details Method for manufacturing an ink-jet head Method for manufacturing an ink-jet head

2005-03-29

2008-12-23

Tugbang, A. Dexter (Department: 3729)

Metal working

Method of mechanical manufacture

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

C029S840000, C029S860000, C029S852000, C228S180220, C228S246000, C438S612000, C347S050000, C347S057000, C708S446000

Reexamination Certificate

active

07467468

ABSTRACT:
A method for manufacturing an ink-jet head includes the step of forming, in a substrate, through holes respectively corresponding to conductors on one face of the substrate and each having its diameter increasing from the one face toward the other face of the substrate. Here, the through holes are formed in such a manner as to satisfy R>d/2+t/tan θ, where: d represents a width of an opening of the through hole on the one face; θ represents an angle of inclination of a sidewall defining the through hole with respect to the one face; R represents a shortest distance from the center of the through hole to a periphery of an electrode that neighbors an electrode corresponding to the through hole; and t represents a thickness of the substrate.

REFERENCES:
patent: 5519936 (1996-05-01), Andros et al.
patent: 6140707 (2000-10-01), Plepys et al.
patent: 6374487 (2002-04-01), Haba et al.
patent: 6508536 (2003-01-01), Beerling et al.
patent: 2003/0156157 (2003-08-01), Suzuki et al.
patent: 5-104711 (1993-04-01), None
patent: 11-251353 (1999-09-01), None
patent: 2003-311953 (2003-11-01), None

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