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US 10,369,788 B2Granted
Printhead with recessed slot ends
AssigneeHewlett-Packard Development Company, L.P.
InventorsRio Rivas, Ed Friesen, Terry McMahon, Donald W. Schulte, David Douglas Hall
Life of this patent
Estimating the term…
Abstract
A fluid ejection device may include a substrate having front and back opposing surfaces and a slot extending through the substrate between the back and front surfaces and along an axis of the substrate. A recessed end region may be formed in the back surface at each end of the slot.
Claims20
A fluid ejection device comprising:
- a substrate having front and back surfaces, wherein the front and back surfaces are opposite surfaces;
- a slot extending through the substrate between the back and front surfaces and along a long axis;
- and
- recessed end regions comprising a first recessed end region at a first end of the slot and a second recessed end region at a second end of the slot.
1 more element
Dependencies are inferred from the claim text.