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US 2018/0001637 A1Published application
Piezoelectric printhead assembly
AssigneeHewlett-Packard Development Company, L.P.
InventorsPeter J. Fricke, Andrew L. Van Brocklin
Life of this patent
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Abstract
In some examples, a piezoelectric printhead assembly can include a plurality of piezoelectric micro-electro mechanical system (MEMS) dies, and application-specific integrated circuit (ASIC) dies electrically connected to the piezoelectric MEMS dies.
Claims20
A printhead assembly comprising:
- a plurality of piezoelectric micro-electro mechanical system (MEMS) dies;
- first application-specific integrated circuit (ASIC) dies electrically connected to a first piezoelectric MEMS die of the plurality of piezoelectric MEMS dies;
- and
- second ASIC dies electrically connected to a second piezoelectric MEMS die of the plurality of piezoelectric MEMS dies,
- wherein the first piezoelectric MEMS die has a longitudinal length and each of the first ASIC dies has an ASIC longitudinal length, the longitudinal length of the first piezoelectric MEMS die being greater than the ASIC longitudinal length
2 more elements
A printhead assembly comprising:
- a plurality of piezoelectric micro-electro mechanical system (MEMS) dies, each of the plurality of piezoelectric MEMS dies comprising nozzles, wherein the nozzles of a first piezoelectric MEMS die of the plurality of piezoelectric MEMS dies overlaps with nozzles of a second piezoelectric MEMS die of the plurality of piezoelectric MEMS dies along a longitudinal axis parallel to lengths of the first and second piezoelectric MEMS dies;
- a first application-specific integrated circuit (ASIC) die electrically connected to the first piezoelectric MEMS die;
- and
- a second ASIC die electrically connected to the first piezoelectric MEMS die,
- wherein the first piezoelectric MEMS die has a longitudinal length and each of the first ASIC die and second ASIC die has an ASIC longitudinal length, the longitudinal length of the first piezoelectric MEMS die being greater than the ASIC longitudinal length.
2 more elements
Dependencies are inferred from the claim text.