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1. WO2020222767 - CONDUCTIVE ELEMENTS ELECTRICALLY COUPLED TO FLUIDIC DIES

Publication Number WO/2020/222767
Publication Date 05.11.2020
International Application No. PCT/US2019/029716
International Filing Date 29.04.2019
IPC
B41J 2/14 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
14Structure thereof
B81B 1/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
81MICROSTRUCTURAL TECHNOLOGY
BMICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
1Devices without movable or flexible elements, e.g. microcapillary devices
CPC
B41J 2/14072
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
14Structure thereof ; only for on-demand ink jet heads
14016Structure of bubble jet print heads
14072Electrical connections, e.g. details on electrodes, connecting the chip to the outside...
B41J 2/1433
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
14Structure thereof ; only for on-demand ink jet heads
1433Structure of nozzle plates
B41J 2/1603
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
16Production of nozzles
1601Production of bubble jet print heads
1603of the front shooter type
B41J 2/162
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
16Production of nozzles
162Manufacturing of the nozzle plates
B41J 2/1623
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
16Production of nozzles
1621manufacturing processes
1623bonding and adhesion
B41J 2002/14491
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, ; e.g. INK-JET PRINTERS, THERMAL PRINTERS; , i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
135Nozzles
14Structure thereof ; only for on-demand ink jet heads
14491Electrical connection
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • CUMBIE, Michael W,
  • CHEN, Chien-Hua
  • HOFFMAN, Randy
Agents
  • HOOPES, Benjamin E,
Priority Data
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) CONDUCTIVE ELEMENTS ELECTRICALLY COUPLED TO FLUIDIC DIES
(FR) ÉLÉMENTS CONDUCTEURS COUPLÉS ÉLECTRIQUEMENT À DES PUCES FLUIDIQUES
Abstract
(EN) An example fluidic device may comprise a fluidic die and a support element coupled to the fluidic die. A fluid channel may be arranged within the support element and may define a fluid path through the support element and a fluid aperture of the fluidic die. A conductive element may be arranged in the fluid path and be coupled to a ground of the fluidic die. A material and size of the conductive element may be selected to engender galvanic effect at an approximately zero potential.
(FR) La présente invention concerne un exemple de dispositif fluidique qui peut comprendre une puce fluidique et un élément de soutien couplé à la puce fluidique. Un canal à fluide peut être disposé à l'intérieur de l'élément de soutien et peut délimiter un circuit de fluide à travers l'élément de soutien et une ouverture à fluide de la puce fluidique. Un élément conducteur peut être disposé dans le circuit de fluide et être couplé à une masse de la puce fluidique. Un matériau et une taille de l'élément conducteur peuvent être sélectionnés pour engendrer un effet galvanique à un potentiel approximativement nul.
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