Patents by Inventor Huan Hu

Huan Hu 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: 20180250673
    Abstract: A deterministic lateral displacement array that includes a channel, within a substrate, having a first sidewall, a second sidewall, and a channel length. A condenser portion that includes an entry port and an exit port. A first array of pillars is disposed between the entry port and the exit port of the condenser portion along the channel length, the first array of pillars operative to drive a first material particle and a second material particle towards the first sidewall of the channel. A separator portion that includes an entry port and an exit port, and a second array of pillars disposed between the entry port and the exit port of the separator portion along the channel length, the pillars operative to drive the first material particle towards the second sidewall of the channel.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 6, 2018
    Inventors: HUAN HU, SUNG CHEOL KIM, JOSHUA T. SMITH, BENJAMIN H. WUNSCH
  • Publication number: 20180250675
    Abstract: A deterministic lateral displacement array that includes a channel, within a substrate, having a first sidewall, a second sidewall, and a channel length. A condenser portion that includes an entry port and an exit port. A first array of pillars is disposed between the entry port and the exit port of the condenser portion along the channel length, the first array of pillars operative to drive a first material particle and a second material particle towards the first sidewall of the channel. A separator portion that includes an entry port and an exit port, and a second array of pillars disposed between the entry port and the exit port of the separator portion along the channel length, the pillars operative to drive the first material particle towards the second sidewall of the channel.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 6, 2018
    Inventors: HUAN HU, SUNG CHEOL KIM, JOSHUA T. SMITH, BENJAMIN H. WUNSCH
  • Publication number: 20180250674
    Abstract: A deterministic lateral displacement array that includes a channel, within a substrate, having a first sidewall, a second sidewall, and a channel length. A condenser portion that includes an entry port and an exit port. A first array of pillars is disposed between the entry port and the exit port of the condenser portion along the channel length, the first array of pillars operative to drive a first material particle and a second material particle towards the first sidewall of the channel. A separator portion that includes an entry port and an exit port, and a second array of pillars disposed between the entry port and the exit port of the separator portion along the channel length, the pillars operative to drive the first material particle towards the second sidewall of the channel.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 6, 2018
    Inventors: HUAN HU, SUNG CHEOL KIM, JOSHUA T. SMITH, BENJAMIN H. WUNSCH
  • Publication number: 20180231576
    Abstract: A technique relates to a machine for sorting. A removable cartridge includes a nanofluidic module. The removable cartridge includes an input port and at least two output ports. The nanofluidic module is configured to sort a sample fluid. A holder is configured to receive the removable cartridge. A pressurization system is configured to couple to the input port of the removable cartridge. The pressurization system is configured to drive the sample fluid into the nanofluidic module for separation to the at least two output ports.
    Type: Application
    Filed: February 16, 2017
    Publication date: August 16, 2018
    Inventors: Huan Hu, Michael A. Pereira, Joshua T. Smith, Benjamin H. Wunsch
  • Patent number: 10048204
    Abstract: Described herein are microfluidic devices and methods of detecting an analyte in a sample that includes flowing the sample though a microfluidic device, wherein the presence of the analyte is detected directly from the microfluidic device without the use of an external detector at an outlet of the microfluidic device. In a more specific aspect, detection is performed by incorporating functional nanopillars, such as detector nanopillars and/or light source nanopillars, into a microchannel of a microfluidic device.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 14, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yann Astier, Huan Hu, Ning Li, Devendra K. Sadana, Joshua T. Smith, William T. Spratt
  • Publication number: 20180220910
    Abstract: A method is presented for forming a nanowire electrode. The method includes forming a plurality of nanowires over a first substrate, depositing a conducting layer over the plurality of nanowires, forming solder bumps and electrical interconnections over a second flexible substrate, and integrating nanowire electrode arrays to the second flexible substrate. The plurality of nanowires are silicon (Si) nanowires, the Si nanowires used as probes to penetrate skin of a subject to achieve electrical biopotential signals. The plurality of nanowires are formed over the first substrate by metal-assisted chemical etching.
    Type: Application
    Filed: February 3, 2017
    Publication date: August 9, 2018
    Inventors: Qianwen Chen, Huan Hu, Zheng Xu, Xin Zhang
  • Publication number: 20180220912
    Abstract: A method is presented for forming a nanowire electrode. The method includes forming a plurality of nanowires over a first substrate, depositing a conducting layer over the plurality of nanowires, forming solder bumps and electrical interconnections over a second flexible substrate, and integrating nanowire electrode arrays to the second flexible substrate. The plurality of nanowires are silicon (Si) nanowires, the Si nanowires used as probes to penetrate skin of a subject to achieve electrical biopotential signals. The plurality of nanowires are formed over the first substrate by metal-assisted chemical etching.
    Type: Application
    Filed: November 3, 2017
    Publication date: August 9, 2018
    Inventors: Qianwen Chen, Huan Hu, Zheng Xu, Xin Zhang
  • Patent number: 10010883
    Abstract: A deterministic lateral displacement array that includes a channel, within a substrate, having a first sidewall, a second sidewall, and a channel length. A condenser portion that includes an entry port and an exit port. A first array of pillars is disposed between the entry port and the exit port of the condenser portion along the channel length, the first array of pillars operative to drive a first material particle and a second material particle towards the first sidewall of the channel. A separator portion that includes an entry port and an exit port, and a second array of pillars disposed between the entry port and the exit port of the separator portion along the channel length, the pillars operative to drive the first material particle towards the second sidewall of the channel.
    Type: Grant
    Filed: September 20, 2016
    Date of Patent: July 3, 2018
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Huan Hu, Sung Cheol Kim, Joshua T. Smith, Benjamin H. Wunsch
  • Publication number: 20180078939
    Abstract: A deterministic lateral displacement array that includes a channel, within a substrate, having a first sidewall, a second sidewall, and a channel length. A condenser portion that includes an entry port and an exit port. A first array of pillars is disposed between the entry port and the exit port of the condenser portion along the channel length, the first array of pillars operative to drive a first material particle and a second material particle towards the first sidewall of the channel. A separator portion that includes an entry port and an exit port, and a second array of pillars disposed between the entry port and the exit port of the separator portion along the channel length, the pillars operative to drive the first material particle towards the second sidewall of the channel.
    Type: Application
    Filed: September 20, 2016
    Publication date: March 22, 2018
    Inventors: HUAN HU, SUNG CHEOL KIM, JOSHUA T. SMITH, BENJAMIN H. WUNSCH
  • Publication number: 20180073854
    Abstract: Aspects include a method of manufacturing a flexible electronic structure that includes a metal or doped silicon substrate. Aspects include depositing an insulating layer on a silicon substrate. Aspects also include patterning a metal on a silicon substrate. Aspects also include selectively masking the structure to expose the metal and a portion of the silicon substrate. Aspects also include depositing a conductive layer including a conductive metal on the structure. Aspects also include plating the conductive material on the structure. Aspects also include spalling the structure.
    Type: Application
    Filed: March 30, 2017
    Publication date: March 15, 2018
    Inventors: HUAN HU, NING LI, XIAO HU LIU, KATSUYUKI SAKUMA
  • Publication number: 20180052717
    Abstract: A temperature-aware task scheduling method, system, and computer program product, includes the GPU, receiving a request to execute the task, collecting task information including an intensiveness factor of a computation by an arithmetic logic unit (ALU) and a memory usage of a dynamic random-access memory (DRAM) for the task, obtaining a temperature of the ALU and a temperature of the DRAM, and accepting the task to the GPU based on the intensiveness factor, the ALU temperature, and the DRAM temperature.
    Type: Application
    Filed: August 16, 2016
    Publication date: February 22, 2018
    Inventors: I-Hsin Chung, Huan Hu, Wei Tan
  • Publication number: 20170354140
    Abstract: The present disclosure relates to methods for forming an antimicrobial nanostructure and antimicrobial articles. The methods may include: providing a master template of a layout of the antimicrobial nanostructure on a silicon substrate, depositing a silicon nitride layer on a top surface of the silicon substrate, forming a patterned lithographic resist mask layer on a top surface of the silicon nitride layer, generating certain silicon pillars according to the patterned lithographic resist mask using a resist and reactive ion etching, forming certain lateral silicon nanospikes on the silicon pillars by performing metal assisted chemical etching (MacEtch), and removing the silicon nitride layer and bonding a top cover glass on the silicon pillars to form the antimicrobial nanostructure having lateral silicon nanospikes.
    Type: Application
    Filed: June 26, 2017
    Publication date: December 14, 2017
    Inventors: STACEY M. GIFFORD, HUAN HU, PABLO MEYER ROJAS, JOSHUA T. SMITH
  • Patent number: 9822002
    Abstract: Aspects include a method of manufacturing a flexible electronic structure that includes a metal or doped silicon substrate. Aspects include depositing an adhesive layer on the top side of the structure. Aspects also include depositing a release layer and a glass layer on the top side of the structure. Aspects also include reducing a thickness of the silicon substrate on the bottom side of the structure.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: November 21, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Paul S. Andry, Huan Hu, Katsuyuki Sakuma
  • Patent number: 9812605
    Abstract: In one example, a device includes a trench formed in a substrate. The trench includes a first end and a second end that are non-collinear. A first plurality of semiconductor pillars is positioned near the first end of the trench and includes integrated light sources. A second plurality of semiconductor pillars is positioned near the second end of the trench and includes integrated photodetectors.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: November 7, 2017
    Assignee: International Business Machines Corporation
    Inventors: Yann Astier, Huan Hu, Ning Li, Devendra K. Sadana, Joshua T. Smith, William T. Spratt
  • Publication number: 20170312747
    Abstract: Techniques relate to forming a sorting device. A mesh is formed on top of a substrate. Metal assisted chemical etching is performed to remove substrate material of the substrate at locations of the mesh. Pillars are formed in the substrate by removal of the substrate material. The mesh is removed to leave the pillars in a nanopillar array. The pillars in the nanopillar array are designed with a spacing to sort particles of different sizes such that the particles at or above a predetermined dimension are sorted in a first direction and the particles below the predetermined dimension are sorted in a second direction.
    Type: Application
    Filed: April 27, 2016
    Publication date: November 2, 2017
    Inventors: Huan Hu, Joshua T. Smith, Gustavo A. Stolovitzky, Benjamin H. Wunsch
  • Patent number: 9804122
    Abstract: A technique relates to manufacturing a nanogap. An oxide layer is disposed on top of a substrate. A release layer is disposed in a pattern on top of the oxide layer. A patterned trench is etched into the oxide layer using the pattern of the release layer. A metal layer is disposed on the release layer and in the patterned trench. A polish removes the release layer, thereby removing both the release layer and a portion of the metal layer having been disposed on top of the release layer, such that the metal layer remaining includes a first metal part and a second metal part connected by a metal nanowire. The metal layer remaining is coplanar with the oxide layer. A nanochannel is formed in the oxide layer in a region of the metal nanowire. The nanogap is formed in the metal nanowire separating the first and second metal parts.
    Type: Grant
    Filed: November 25, 2015
    Date of Patent: October 31, 2017
    Assignees: INTERNATIONAL BUSINESS MACHINES CORPORATION, BIONANO GENOMICS, INC.
    Inventors: Huan Hu, Michael F. Lofaro, Joshua T. Smith, Daniel J. Solis, Benjamin H. Wunsch
  • Publication number: 20170280709
    Abstract: The present disclosure relates to methods for forming an antimicrobial nanostructure and antimicrobial articles. The methods may include: providing a master template of a layout of the antimicrobial nanostructure on a silicon substrate, depositing a silicon nitride layer on a top surface of the silicon substrate, forming a patterned lithographic resist mask layer on a top surface of the silicon nitride layer, generating certain silicon pillars according to the patterned lithographic resist mask using a resist and reactive ion etching, forming certain lateral silicon nanospikes on the silicon pillars by performing metal assisted chemical etching (MacEtch), and removing the silicon nitride layer and bonding a top cover glass on the silicon pillars to form the antimicrobial nanostructure having lateral silicon nanospikes.
    Type: Application
    Filed: April 5, 2016
    Publication date: October 5, 2017
    Inventors: STACEY M. GIFFORD, HUAN HU, PABLO MEYER ROJAS, JOSHUA T. SMITH
  • Patent number: 9775339
    Abstract: The present disclosure relates to methods for forming an antimicrobial nanostructure and antimicrobial articles. The methods may include: providing a master template of a layout of the antimicrobial nanostructure on a silicon substrate, depositing a silicon nitride layer on a top surface of the silicon substrate, forming a patterned lithographic resist mask layer on a top surface of the silicon nitride layer, generating certain silicon pillars according to the patterned lithographic resist mask using a resist and reactive ion etching, forming certain lateral silicon nanospikes on the silicon pillars by performing metal assisted chemical etching (MacEtch), and removing the silicon nitride layer and bonding a top cover glass on the silicon pillars to form the antimicrobial nanostructure having lateral silicon nanospikes.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: October 3, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Stacey M. Gifford, Huan Hu, Pablo Meyer Rojas, Joshua T. Smith
  • Publication number: 20170254753
    Abstract: Described herein are microfluidic devices and methods of detecting an analyte in a sample that includes flowing the sample though a microfluidic device, wherein the presence of the analyte is detected directly from the microfluidic device without the use of an external detector at an outlet of the microfluidic device. In a more specific aspect, detection is performed by incorporating functional nanopillars, such as detector nanopillars and/or light source nanopillars, into a microchannel of a microfluidic device.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 7, 2017
    Inventors: YANN ASTIER, HUAN HU, NING LI, DEVENDRA K. SADANA, JOSHUA T. SMITH, WILLIAM T. SPRATT
  • Patent number: 9719926
    Abstract: Described herein are microfluidic devices and methods of detecting an analyte in a sample that includes flowing the sample though a microfluidic device, wherein the presence of the analyte is detected directly from the microfluidic device without the use of an external detector at an outlet of the microfluidic device. In a more specific aspect, detection is performed by incorporating functional nanopillars, such as detector nanopillars and/or light source nanopillars, into a microchannel of a microfluidic device.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: August 1, 2017
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Yann Astier, Huan Hu, Ning Li, Devendra K. Sadana, Joshua T. Smith, William T. Spratt