公开(公告)号：US10564171B2

公开(公告)日：2020-02-18

申请号：US15546867

申请日：2015-01-30

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Nicholas Matthew Cooper McGuinness ,  Chantelle Elizabeth Domingue ,  Manish Giri ,  Ed Friesen

IPC: G01N35/00 ,  G01N35/08 ,  B01L3/00

Abstract: A microfluidic diagnostic chip may comprise a substrate, a plurality of fluidic slots extending through the substrate, a plurality of microfluidic channels each coupled to a respective one of the plurality of fluidic slots to receive a plurality of fluids from the plurality of fluidic slots, and a mixing region in fluid communication with the plurality of fluidic slots to receive the plurality of fluids such that the plurality of fluids are to mix. A diagnostic chip may comprise a number of fluid slots defined through a substrate and a plurality of microfluidic channels coupled to the fluid slots to receive from the fluid slots a plurality of different fluids wherein the microfluidic channels combine and mix the plurality of different fluids.

公开(公告)号：US10099483B2

公开(公告)日：2018-10-16

申请号：US15404113

申请日：2017-01-11

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Rio Rivas ,  Ed Friesen

IPC: B41J2/16 ,  B41J2/175 ,  B41J2/14

Abstract: A fluid ejection cartridge may include a substrate including substrate ribs that define fluid feed slots extending from a first side to a second side of the substrate, fluid chambers having nozzle openings on a first side of the substrate, an ejection element within each of the fluid chambers and a substrate carrier on a second side of the substrate. The substrate carrier may include carrier ribs that define fluid passageways having oblique centerlines and internal widths that gradually increase from a first width proximate the substrate to a second width, greater than the first width, distant the substrate. Concavely tapered adhesive bonds directly contact faces of the substrate ribs and the carrier ribs to adhere the substrate ribs to the carrier ribs.

公开(公告)号：US20180024155A1

公开(公告)日：2018-01-25

申请号：US15546867

申请日：2015-01-30

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Nicholas Matthew Cooper McGuinness ,  Chantelle Elizabeth Domingue ,  Manish Giri ,  Ed Friesen

IPC: G01N35/08 ,  B01L3/00

Abstract: A microfluidic diagnostic chip may comprise a substrate, a plurality of fluidic slots extending through the substrate, a plurality of microfluidic channels each coupled to a respective one of the plurality of fluidic slots to receive a plurality of fluids from the plurality of fluidic slots, and a mixing region in fluid communication with the plurality of fluidic slots to receive the plurality of fluids such that the plurality of fluids are to mix. A diagnostic chip may comprise a number of fluid slots defined through a substrate and a plurality of microfluidic channels coupled to the fluid slots to receive from the fluid slots a plurality of different fluids wherein the microfluidic channels combine and mix the plurality of different fluids.

公开(公告)号：US20180009222A1

公开(公告)日：2018-01-11

申请号：US15547116

申请日：2015-04-27

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Rio Rivas ,  Lawrence H White ,  Ed Friesen ,  Erik D Torniainen

IPC: B41J2/14 ,  B41J2/16

Abstract: In some examples, a printhead can include a main printer fluid line, a firing chamber in fluid communication with the main printer fluid line to receive printer fluid from the main printer fluid line, and a resistor positioned in the firing chamber. The resistor can, for example, receive an electronic current to cause the resistor to heat up and eject printer fluid droplets from the printhead. The printhead can further include a photolithographically fabricated check valve positioned in the firing chamber. The check valve can, for example, be openable to allow filling of the firing chamber with printer fluid and closeable to at least partially seal the main printer fluid line from printer fluid blowback caused by the resistor.

公开(公告)号：US20170361613A1

公开(公告)日：2017-12-21

申请号：US15697790

申请日：2017-09-07

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Rio Rivas ,  Anthony M. Fuller ,  Ed Friesen

IPC: B41J2/14

CPC classification number: B41J2/1433 ,  B41J2/14145

Abstract: In an embodiment, a fluid ejection device includes a substrate with a fluid slot formed therein, a chamber layer formed on the substrate defining fluid chambers on both sides of the fluid slot, a thin-film layer between the substrate and chamber layer that defines an ink feedhole (IFH) between the fluid slot and the chamber layer, and a chamber layer extension that forms a bridge across the IFH between two chambers.

公开(公告)号：US20170120614A1

公开(公告)日：2017-05-04

申请号：US15404113

申请日：2017-01-11

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Rio Rivas ,  Ed Friesen

IPC: B41J2/175

CPC classification number: B41J2/17553 ,  B41J2/14137 ,  B41J2/14145 ,  B41J2/14201 ,  B41J2/1603 ,  B41J2/1607 ,  B41J2/1623 ,  B41J2/1631 ,  B41J2/1632 ,  B41J2/17559 ,  B41J2002/14362 ,  B41J2002/14387

Abstract: A fluid ejection cartridge may include a substrate including substrate ribs that define fluid feed slots extending from a first side to a second side of the substrate, fluid chambers having nozzle openings on a first side of the substrate, an ejection element within each of the fluid chambers and a substrate carrier on a second side of the substrate. The substrate carrier may include carrier ribs that define fluid passageways having oblique centerlines and internal widths that gradually increase from a first wid Attached Attached Attached Attached for your review Attached for your review th proximate the substrate to a second width, greater than the first width, distant the substrate. Concavely tapered adhesive bonds directly contact faces of the substrate ribs and the carrier ribs to adhere the substrate ribs to the carrier ribs.

公开(公告)号：US10369790B2

公开(公告)日：2019-08-06

申请号：US15465563

申请日：2017-03-21

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Silam J. Choy ,  Garrett E. Clark ,  Rio Rivas ,  Ed Friesen ,  Kelly Ronk

IPC: B41J2/14 ,  B05B1/14

Abstract: A fluid dispenser may include an array of fluid delivery assemblies. Each fluid delivery assembly may include orifices through which fluid is to be ejected and slots. Each slot extends to a respective one of the orifices. The slots have different geometric shapes.

公开(公告)号：US20190016135A1

公开(公告)日：2019-01-17

申请号：US16120262

申请日：2018-09-02

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Rio Rivas ,  Anthony M. Fuller ,  Ed Friesen

IPC: B41J2/14

CPC classification number: B41J2/1433 ,  B41J2/14145

Abstract: In an embodiment, a fluid ejection device includes a substrate with a fluid slot formed therein, a chamber layer formed on the substrate defining fluid chambers on both sides of the fluid slot, a thin-film layer between the substrate and chamber layer that defines an ink feedhole (IFH) between the fluid slot and the chamber layer, and a chamber layer extension that forms a bridge across the IFH between two chambers.

公开(公告)号：US09776407B2

公开(公告)日：2017-10-03

申请号：US14785706

申请日：2013-04-30

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Rio Rivas ,  Anthony M. Fuller ,  Ed Friesen

IPC: B41J2/14

CPC classification number: B41J2/1433 ,  B41J2/14145

Abstract: In an embodiment, a fluid ejection device includes a substrate with a fluid slot formed therein, a chamber layer formed on the substrate defining fluid chambers on both sides of the fluid slot, a thin-film layer between the substrate and chamber layer that defines an ink feedhole (IFH) between the fluid slot and the chamber layer, and a chamber layer extension that forms a bridge across the IFH between two chambers.

公开(公告)号：US20170190177A1

公开(公告)日：2017-07-06

申请号：US15465563

申请日：2017-03-21

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Silam J. Choy ,  Garrett E. Clark ,  Rio Rivas ,  Ed Friesen ,  Kelly Ronk

IPC: B41J2/14 ,  B05B1/14

CPC classification number: B41J2/1433 ,  B05B1/14 ,  B41J2/14145 ,  B41J2002/14387 ,  B41J2002/14419 ,  B41J2202/07 ,  B41J2202/11

Abstract: A fluid dispenser may include an array of fluid delivery assemblies, Each fluid delivery assembly may include orifices through which fluid is to be ejected and slots. Each slot extends to a respective one of the orifices. The slots have different geometric shapes.