Patents by Inventor Chien Hua Chen

Chien Hua Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20230143672
    Abstract: A molded microfluidic substrate includes a molding compound layer. The molded microfluidic substrate includes a microfluidic channel. The microfluidic channel of the molded microfluidic substrate is formed within the molding compound layer of the molded microfluidic substrate. The microfluidic channel of the molded microfluidic substrate corresponds to a sacrificial metal bond wire.
    Type: Application
    Filed: April 10, 2020
    Publication date: May 11, 2023
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Michael W. Cumbie, Michael G. Groh
  • Patent number: 11642885
    Abstract: A fluid ejection die includes an ejection nozzle and an ejection chamber fluidly connected to the ejection nozzle. The die includes a fluid input hole fluidly connected to the ejection chamber, a fluid output hole, and a fluid output channel fluidly connected to the ejection chamber and the fluid output hole. The die includes a fluid circulation rib positioned between the fluid input hole and the fluid output hole.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 9, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Michael W Cumbie, Chien-Hua Chen
  • Patent number: 11637172
    Abstract: A semiconductor device package includes a substrate, a first patterned conductive layer, a second patterned conductive layer, a dielectric layer, a third patterned conductive layer and a connector. The substrate has a top surface. The first patterned conductive layer is on the top surface of the substrate. The second patterned conductive layer contacts the first patterned conductive layer. The second patterned conductive layer includes a first portion, a second portion and a third portion. The second portion is connected between the first portion and the third portion. The dielectric layer is on the top surface of the substrate. The dielectric layer covers the first patterned conductive layer and surrounds the second portion and the third portion of the second patterned conductive layer. The first portion of the second patterned conductive layer is disposed on the dielectric layer.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: April 25, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Chien-Hua Chen, Teck-Chong Lee
  • Patent number: 11605877
    Abstract: A semiconductor device package includes a glass carrier, a package body, a first circuit layer and a first antenna layer. The glass carrier has a first surface and a second surface opposite to the first surface. The package body is disposed on the first surface of the glass carrier. The package body has an interconnection structure penetrating the package body. The first circuit layer is disposed on the package body. The first circuit layer has a redistribution layer (RDL) electrically connected to the interconnection structure of the package body. The first antenna layer is disposed on the second surface of the glass carrier.
    Type: Grant
    Filed: August 19, 2019
    Date of Patent: March 14, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Sheng-Chi Hsieh, Chen-Chao Wang, Teck-Chong Lee, Chien-Hua Chen
  • Publication number: 20230075336
    Abstract: A semiconductor package structure includes a plurality of transducer devices, a cap structure, at least one redistribution layer (RDL) and a protection material. The transducer devices are disposed side by side. Each of the transducer devices has at least one transducing region, and includes a die body and at least one transducing element. The die body has a first surface and a second surface opposite to the first surface. The transducing region is disposed adjacent to the first surface of the die body. The transducing element is disposed adjacent to the first surface of the die body and within the transducing region. The cap structure covers the transducing region of the transducer device to form an enclosed space. The redistribution layer (RDL) electrically connects the transducer devices. The protection material covers the transducer devices.
    Type: Application
    Filed: November 15, 2022
    Publication date: March 9, 2023
    Applicant: Advanced Semiconductor Engineering, Inc.
    Inventors: Chien-Hua CHEN, Cheng-Yuan KUNG
  • Patent number: 11597646
    Abstract: A device includes: a die including a microfluidic device; a polymer substrate formed around the die; and a separate fluid manifold attached to the polymer substrate over the die and on a same side of the substrate as the die, the manifold to deliver fluid to the die.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: March 7, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Devin Alexander Mourey, Michael W. Cumbie, Si-lam Choy
  • Patent number: 11597204
    Abstract: A fluid ejection assembly may include a fluid ejection die comprising a back face and a front face through which fluid is ejected. The fluid ejection die may further include a fan-out fluid passages converging towards the back face of the fluid ejection die, the fan-out fluid passages comprising a first fan-out fluid passage and a second fan-out fluid passage and a recirculation channel extending within a polymeric material from the first fan-out fluid passage to the second fan-out fluid passage adjacent the back face of the fluid ejection die.
    Type: Grant
    Filed: June 25, 2019
    Date of Patent: March 7, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Michael W. Cumbie, Si-Iam J. Choy
  • Patent number: 11583861
    Abstract: In an example implementation, a reagent storage system for a microfluidic device includes a microfluidic chamber formed in a microfluidic device. A blister pack to store a reagent includes an electrically conductive membrane barrier adjacent to the chamber. A thinned region is formed in the membrane barrier, and a conductive trace is to supply electric current to heat and melt the thinned region. Melting the thinned region is to cause the membrane barrier to open and release the reagent into the chamber.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: February 21, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Viktor Shkolnikov, Michael W Cumbie, Chien-Hua Chen
  • Publication number: 20230050391
    Abstract: An example system includes an array of retaining features in a microfluidic cavity, an array of thermally controlled releasing features, and a controller coupled to each releasing feature in the array of releasing feature. Each retaining feature in the array of retaining features is to position capsules at a predetermined location, the capsules having a thermally degradable shell enclosing a biological reagent therein. Each releasing feature in the array of releasing features corresponds to a retaining feature and is to selectively cause degradation of the shell of a capsule. Each releasing feature is to generate thermal energy to facilitate degradation of the shell. The controller is to selectively activate at least one releasing feature in the array of thermally controlled releasing features to release the biological reagent in the capsules positioned at the retaining feature corresponding to the activated releasing feature.
    Type: Application
    Filed: October 27, 2022
    Publication date: February 16, 2023
    Applicant: Hewlett-Packard Development Company, L.P.
    Inventors: Viktor Shkolnikov, Chien-Hua CHEN
  • Patent number: 11577252
    Abstract: An example system includes an array of retaining features in a microfluidic cavity, an array of thermally controlled releasing features, and a controller coupled to each releasing feature in the array of releasing feature. Each retaining feature in the array of retaining features is to position capsules at a predetermined location, the capsules having a thermally degradable shell enclosing a biological reagent therein. Each releasing feature in the array of releasing features corresponds to a retaining feature and is to selectively cause degradation of the shell of a capsule. Each releasing feature is to generate thermal energy to facilitate degradation of the shell. The controller is to selectively activate at least one releasing feature in the array of thermally controlled releasing features to release the biological reagent in the capsules positioned at the retaining feature corresponding to the activated releasing feature.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: February 14, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Viktor Shkolnikov, Chien-Hua Chen
  • Patent number: 11577456
    Abstract: Examples include a process comprising forming a molded panel that includes a fluid ejection die molded in the molded panel. The molded panel is formed with a mold chase and a release liner. The mold chase has a fluid slot feature that aligns with fluid feed holes of the fluid ejection die. The mold chase and release liner is released from the molded panel such that the molded panel has a fluid slot formed therethrough corresponding to the fluid slot feature of the mold chase, and the fluid slot is fluidly connected to the fluid feed holes of the fluid ejection die.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: February 14, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Michael W Cumbie
  • Patent number: 11565521
    Abstract: According to an example, a fluid ejection device may include a membrane including a first column of firing chambers, a second column of firing chambers, and a portioning wall, in which the portioning wall physically separates the first column of firing chambers from the second column of firing chambers. The fluid ejection device may also include a plurality of actuators and a substrate including a respective hole extending through the substrate from each of the firing chambers, in which an actuator of the plurality of actuators is provided in each of the firing chambers.
    Type: Grant
    Filed: July 26, 2016
    Date of Patent: January 31, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Michael W. Cumbie
  • Patent number: 11559987
    Abstract: One example provides a fluidic die including a nozzle layer disposed on a substrate, the nozzle layer having an upper surface opposite the substrate and including a plurality of nozzles formed therein, each nozzle including a fluid chamber and a nozzle orifice extending through the nozzle layer from the upper surface to the fluid chamber. A conductive trace is exposed to the upper surface of the nozzle layer and extends proximate to a portion of the nozzle orifices, an impedance of the conductive trace indicative of a surface condition of the upper surface of the nozzle layer.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: January 24, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Eric Martin, Daryl E. Anderson, James R. Przybyla, Chien-Hua Chen, Diane R. Hammerstad
  • Patent number: 11548287
    Abstract: In one example in accordance with the present disclosure, a fluidic die assembly is described. The fluidic die assembly includes a rigid substrate having a bend therein. A fluidic die is disposed on the rigid substrate. The fluidic die is to eject fluid from a reservoir fluidly coupled to the fluidic die. The fluidic die includes an array of ejection subassemblies. Each ejection subassembly includes an ejection chamber to hold a volume of fluid, an opening, and a fluid actuator to eject a portion of the volume of fluid through the opening. The fluidic die assembly also includes an electrical interface disposed on the rigid substrate to establish an electrical connection between the fluidic die and a controller. The fluidic die and the electrical interface are disposed on a same surface on opposite sides of the bend.
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: January 10, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Chien-Hua Chen, Michael W. Cumbie
  • Patent number: 11545427
    Abstract: A capacitor bank structure includes a plurality of capacitors, a protection material, a first dielectric layer and a plurality of first pillars. The capacitors are disposed side by side. Each of the capacitors has a first surface and a second surface opposite to the first surface, and includes a plurality of first electrodes and a plurality of second electrodes. The first electrodes are disposed adjacent to the first surface for external connection, and the second electrodes are disposed adjacent to the second surface for external connection. The protection material covers the capacitors, sidewalls of the first electrodes and sidewalls of the second electrodes, and has a first surface corresponding to the first surface of the capacitor and a second surface corresponding to the second surface of the capacitor. The first dielectric layer is disposed on the first surface of the protection material, and defines a plurality of openings to expose the first electrodes.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: January 3, 2023
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Cheng-Yuan Kung, Chien-Hua Chen, Teck-Chong Lee, Hung-Yi Lin, Pao-Nan Lee, Hsin Hsiang Wang, Min-Tzu Hsu, Po-Hao Chen
  • Patent number: 11541658
    Abstract: One example provides a fluidic die including a semiconductor substrate, and a nozzle layer disposed on the substrate, the nozzle layer having a top surface opposite the substrate and including a nozzle formed therein, the nozzle including a fluid chamber disposed below the top surface and a nozzle orifice extending through the nozzle layer from the top surface to the fluid chamber, the fluid chamber to hold fluid, and the nozzle to eject fluid drops from the fluid chamber via the nozzle orifice. An electrode is disposed in contact with the nozzle layer about a perimeter of the nozzle orifice, the electrode to carry an electrical charge to adjust movement of electrically charged components of the fluid.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: January 3, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Daryl E. Anderson, Eric Martin, James R. Przybyla, Chien-Hua Chen
  • Patent number: 11541659
    Abstract: In some examples, a print bar fabrication method comprises placing printhead dies face down on a carrier, placing a printed circuit board on the carrier, wire bonding each printhead die of the printhead dies to the printed circuit board, and overmolding the printhead dies and the printed circuit board on the carrier, including fully encapsulating the wire bonds.
    Type: Grant
    Filed: August 12, 2020
    Date of Patent: January 3, 2023
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Silam J Choy, Michael W Cumbie, Devin Alexander Mourey, Chien-Hua Chen
  • Publication number: 20220410163
    Abstract: In one example an apparatus can include a controller communicatively coupled to a droplet dispenser to deposit fluid on a digital microfluidic (DMF) array including a plurality of droplet manipulation electrodes, the controller to: select a first droplet manipulation electrode from the plurality of droplet manipulation electrodes to on which to dispense a first volume of fluid via the droplet dispenser; position the droplet dispenser over the selected first droplet manipulation electrode; and deposit the first volume of fluid onto the selected first droplet manipulation electrode.
    Type: Application
    Filed: December 9, 2019
    Publication date: December 29, 2022
    Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.
    Inventors: Michael W. Cumbie, Viktor Shkolnikov, Chien-Hua Chen
  • Patent number: 11502067
    Abstract: A semiconductor package structure includes a plurality of transducer devices, a cap structure, at least one redistribution layer (RDL) and a protection material. The transducer devices are disposed side by side. Each of the transducer devices has at least one transducing region, and includes a die body and at least one transducing element. The die body has a first surface and a second surface opposite to the first surface. The transducing region is disposed adjacent to the first surface of the die body. The transducing element is disposed adjacent to the first surface of the die body and within the transducing region. The cap structure covers the transducing region of the transducer device to form an enclosed space. The redistribution layer (RDL) electrically connects the transducer devices. The protection material covers the transducer devices.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: November 15, 2022
    Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.
    Inventors: Chien-Hua Chen, Cheng-Yuan Kung
  • Patent number: 11478793
    Abstract: In an example implementation, a microfluidic device includes a first layer with a first microfluidic channel and a second layer with a second microfluidic channel. The first and second channels are adjacent to one another at a channel intersection, and a conductive membrane valve extends across and covers the channel intersection to separate the first and second channels. The microfluidic device includes a conductive trace to open the membrane valve and join the first and second channels by supplying an electric current to heat and melt a thinned region of the membrane valve.
    Type: Grant
    Filed: October 30, 2017
    Date of Patent: October 25, 2022
    Assignee: Hewlett-Packard Development Company, L.P.
    Inventors: Viktor Shkolnikov, Chien-Hua Chen, Michael W Cumbie