Method for optimizing a conductor-path layout for a print head o

Details Method for optimizing a conductor-path layout for a print head o Method for optimizing a conductor-path layout for a print head o

1992-12-18

1995-03-21

Hartary, Joseph W.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347208, B41J 205

Patent

active

054000637

ABSTRACT:
A substantially uniform and nevertheless low feed line resistance of the conductor paths (L.sub.i) can be realized for all heating elements in an ink jet printer by a suitable dimensioning of a transition structure (UV) of a conductor path layout disposed on a thin-film substrate. This transition structure connects the conductor paths of close spacing (LA) in the region of the heating elements (RH) to the conductor paths of wide spacing (LB) in the region of the bonding contacts to each other. For this purpose a dimensioning requirement is required, which in case of predetermined input values, i.e. the conductor path widths (d.sub.a, d.sub.b) and the separation distance widths (s.sub.a, s.sub.b) furnishes in the two regions and in the separation distance width (s.sub.v) of the transition structure (UV) as starting value the conductor width (d.sub.v) in the transition structure (UV).

REFERENCES:
patent: 4847630 (1989-07-01), Bhaskar
patent: 4873622 (1989-10-01), Komoro

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