Liquid jet recording head with bump connector wiring

Details Liquid jet recording head with bump connector wiring Liquid jet recording head with bump connector wiring

1992-10-14

1993-07-13

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

174261, 361403, 437183, 257750, B41J 205

Patent

active

052278123

ABSTRACT:
In the wiring portion in the wiring substrate constituting a recording head of a liquid jet type recording apparatus, two electroconductive layers are connected through a protective layer that includes at least two unit layers. One unit layer is formed with a through hole having a shape and size different from those of the through hole(s) in the remaining unit protective layer(s), thereby assuring the formation of an electric connection portion and improving durability of the electric connection portion.

REFERENCES:
patent: 4313124 (1982-01-01), Hara
patent: 4345262 (1982-08-01), Shirato et al.
patent: 4459600 (1984-07-01), Sato et al.
patent: 4463359 (1984-07-01), Ayata et al.
patent: 4558333 (1985-12-01), Sugitani et al.
patent: 4723129 (1988-02-01), Endo et al.
patent: 4740796 (1988-04-01), Endo et al.
patent: 5045870 (1991-09-01), Lamey

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