Arrangements of interconnect circuit and fluid drop generators
AssigneeHewlett-Packard Development Company, L.P.
InventorsRobert N.K. Browning, Matt G. Driggers, Ralph L. Stathern, Mark Daniel Tucker, Patrick G. Mahoney
Life of this patent
Estimating the term…
Abstract
An ink jet print cartridge having a compact electrical interconnect structure that includes a plurality of pairs of columnar arrays of electrical contact areas disposed on a rear wall of the print cartridge and electrically connected to ink drop generators arranged in primitive groups.
Claims63
A print cartridge comprising:
- a cartridge body having a lower portion and a vertical wall;
- a printhead attached to said lower portion;
- said printhead including a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- a contact array disposed on said vertical wall including a first outboard pair of columnar arrays of contact areas having contact areas electrically connected to said first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas electrically connected to said second set of primitive groups and said third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas electrically connected to said fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side.
A print cartridge comprising:
- a cartridge body having a lower portion and a vertical wall;
- a printhead attached to said lower portion;
- said printhead including a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- a contact array disposed on said vertical wall including a first outboard pair of columnar arrays of contact areas having contact areas electrically connected to said first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas electrically connected to said second set of primitive groups and said third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas electrically connected to said fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side;
- said columnar arrays including respective lower contact areas disposed along a lower portion of said region;
- and
- wherein lower contact areas located between transversely outermost lower contact areas are further from said lower portion than said transversely outermost lower contact areas.
A print cartridge comprising:
- a cartridge body having a lower portion and a vertical wall;
- a printhead attached to said lower portion;
- said printhead including a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- a contact array disposed on said vertical wall including a first outboard pair of columnar arrays of contact areas having contact areas electrically connected to said first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas electrically connected to said second set of primitive groups and said third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas electrically connected to said fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side and occupying a region having a height in the range of about 10 to 14 millimeters and a width in the range of about 15 to 18 millimeters.
A print cartridge comprising:
- a cartridge body having a lower portion and a vertical wall;
- a printhead attached to said lower portion;
- said printhead including a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- a contact array disposed on said vertical wall including a first outboard pair of columnar arrays of contact areas having contact areas electrically connected to said first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas electrically connected to said second set of primitive groups and said third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas electrically connected to said fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side and occupying a region having a height in the range of about 10 to 14 millimeters and a width in the range of about 15 to 18 millimeters;
- said columnar arrays including respective lower contact areas disposed along a lower portion of said region;
- and
- wherein lower contact areas located between transversely outermost lower contact areas are further from said lower portion than said transversely outermost lower contact areas.
A fluid drop ejecting cartridge comprising:
- a cartridge body having a lower portion and a vertical wall;
- a fluid drop ejecting device attached to said lower portion;
- said fluid drop ejecting device including a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- a contact array disposed on said vertical wall including a first outboard pair of columnar arrays of contact areas having contact areas electrically connected to said first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas electrically connected to said second set of primitive groups and said third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas electrically connected to said fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side.
An interconnect circuit comprising:
- a flexible substrate;
- a contact array configured to be electrically connected to a fluid drop ejecting device that includes a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- said contact array including a first outboard pair of columnar arrays of contact areas having contact areas configured to be electrically connected to the first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas configured to be electrically connected to the second set of primitive groups and the third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas configured to be electrically connected to the fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side.
A printing apparatus comprising:
- a cartridge body having a lower portion and a vertical wall;
- a printhead attached to said lower portion;
- said printhead including a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- a contact array disposed on said vertical wall including a first outboard pair of columnar arrays of contact areas having contact areas electrically connected to said first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas electrically connected to said second set of primitive groups and said third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas electrically connected to said fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side;
- a print carriage for supporting said print cartridge body;
- and
- an electrical circuit for contactively engaging said contact array.
A method of making a fluid ejection apparatus, comprising:
- forming a contact array circuit configured to be electrically connected to a fluid drop ejecting device that includes a first outboard array of drop generators organized in a first set of primitive groups, a second outboard array of drop generators organized in a second set of primitive groups and an inboard columnar array of drop generators organized in a third set of primitive groups and a fourth set of primitive groups;
- said contact array circuit including a first outboard pair of columnar arrays of contact areas having contact areas configured to be electrically connected to the first set of primitive groups, a second outboard pair of columnar arrays of contact areas having contact areas configured to be electrically connected to the second set of primitive groups and the third set of primitive groups, and an inboard pair of columnar arrays of contact areas having contact areas configured to be electrically connected to the fourth set of primitive groups;
- said pairs of columnar arrays of contact areas being side by side;
- electrically connecting the contact array circuit to the fluid drop ejecting device.
Dependencies are inferred from the claim text.