Patents by Inventor QIXING BAI

QIXING BAI 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).

  • Patent number: 11631511
    Abstract: A thermistor chip is provided, which includes a thermosensitive ceramic substrate, a surface electrode and a bottom electrode. The surface electrode and the bottom electrode are respectively arranged on the two surfaces of the thermosensitive ceramic substrate. The surface electrode is a silver layer. The bottom electrode consists of a silver layer, a titanium-tungsten alloy layer, a copper layer and a gold layer, laminating on the thermosensitive ceramic substrate in turn from inside to outside. A preparation method thereof is also provided. The thermistor chip can meet the requirements of both solder paste reflow soldering and wire bonding process simultaneously, and has the advantages of good bonding effect and high temperature resistance, high reliability and high stability.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: April 18, 2023
    Assignee: DINGSENSE ELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Xiaohai Bai, Mengtian Yang, Limin Tang, Qixing Bai, Jun Yang, Zhaoxiang Duan
  • Publication number: 20220059260
    Abstract: A thermistor chip is provided, which includes a thermosensitive ceramic substrate, a surface electrode and a bottom electrode. The surface electrode and the bottom electrode are respectively arranged on the two surfaces of the thermosensitive ceramic substrate. The surface electrode is a silver layer. The bottom electrode consists of a silver layer, a titanium-tungsten alloy layer, a copper layer and a gold layer, laminating on the thermosensitive ceramic substrate in turn from inside to outside. A preparation method thereof is also provided. The thermistor chip can meet the requirements of both solder paste reflow soldering and wire bonding process simultaneously, and has the advantages of good bonding effect and high temperature resistance, high reliability and high stability.
    Type: Application
    Filed: July 8, 2019
    Publication date: February 24, 2022
    Inventors: Xiaohai BAI, Mengtian YANG, Limin TANG, Qixing BAI, Jun YANG, Zhaoxiang DUAN
  • Patent number: 10636550
    Abstract: A composite thermistor chip includes a thermosensitive ceramic chip, a metal electrode and a glass glaze resistor, wherein the thermosensitive ceramic chip has a front side and a back side, the metal electrode includes a first terminal electrode, a second terminal electrode and a third electrode layer; the first terminal electrode and the second terminal electrode are respectively arranged at two ends of the front side of the thermosensitive ceramic chip, and the glass glaze resistor is arranged on the front side of the thermosensitive ceramic chip, two ends of the glass glaze resistor are respectively connected to the first terminal electrode and the second terminal electrode; and the back side of the thermosensitive ceramic chip is covered with the third electrode layer.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: April 28, 2020
    Assignee: Exsense Electronics Technology Co., Ltd.
    Inventors: Zhaoxiang Duan, Jiankai Ye, Jun Yang, Qixing Bai, Limin Tang
  • Publication number: 20200090840
    Abstract: A composite thermistor chip includes a thermosensitive ceramic chip, a metal electrode and a glass glaze resistor, wherein the thermosensitive ceramic chip has a front side and a back side, the metal electrode includes a first terminal electrode, a second terminal electrode and a third electrode layer; the first terminal electrode and the second terminal electrode are respectively arranged at two ends of the front side of the thermosensitive ceramic chip, and the glass glaze resistor is arranged on the front side of the thermosensitive ceramic chip, two ends of the glass glaze resistor are respectively connected to the first terminal electrode and the second terminal electrode; and the back side of the thermosensitive ceramic chip is covered with the third electrode layer.
    Type: Application
    Filed: October 31, 2018
    Publication date: March 19, 2020
    Inventors: Zhaoxiang DUAN, Jiankai YE, Jun YANG, Qixing BAI, Limin TANG
  • Patent number: 10330539
    Abstract: A high precision high reliability and quick response thermosensitive chip and manufacturing method thereof is provided, including a thermosensitive ceramic semiconductor substrate; glass protective layers are alternately spray-coated and sintered on the two surfaces of the thermosensitive ceramic semiconductor substrate; and the two surfaces of the thermosensitive ceramic semiconductor substrate having the glass protective layers are printed with metal electrode layers. The thermosensitive chip achieves quick response, accurate control of resistance precision and has high precision; in addition, the glass protective layers thereof enable the thermosensitive chip to have high reliability.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: June 25, 2019
    Assignee: EXSENSE ELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Wenting Chen, Zhaoxiang Duan, Jun Yang, Qixing Bai, Limin Tang, Jiankai Ye
  • Publication number: 20170250011
    Abstract: A thermosensitive chip for a composite electrode is provided, including a thermosensitive substrate, wherein each of the two surfaces of the thermosensitive substrate is sequentially provided thereon with a silver electrode and a gold electrode from the inside to the outside in a stacked manner. The thermosensitive chip is suitable for the gold wire bonding technology, the gold electrode on the outer surface thereof facilitates better bonding with a gold wire, and the silver electrode on the bottom of the gold electrode can greatly reduce manufacturing costs. In addition, an operation of coating with gold is conducted through a vacuum sputtering machine, so that the manufacturing process is simple and convenient, and the manufacturing effect is good.
    Type: Application
    Filed: July 23, 2015
    Publication date: August 31, 2017
    Inventors: KUN WANG, ZHAOXING DUAN, JUN YANG, QIXING BAI, LIMIN TANG, JIANKAI YE
  • Publication number: 20170211991
    Abstract: A high precision high reliability and quick response thermosensitive chip and manufacturing method thereof is provided, including a thermosensitive ceramic semiconductor substrate; glass protective layers are alternately spray-coated and sintered on the two surfaces of the thermosensitive ceramic semiconductor substrate; and the two surfaces of the thermosensitive ceramic semiconductor substrate having the glass protective layers are printed with metal electrode layers. The thermosensitive chip achieves quick response, accurate control of resistance precision and has high precision; in addition, the glass protective layers thereof enable the thermosensitive chip to have high reliability.
    Type: Application
    Filed: July 23, 2015
    Publication date: July 27, 2017
    Applicant: EXSENSE ELECTRONICS TECHNOLOGY CO., LTD
    Inventors: Wenting Chen, Zhaoxing Duan, Jun Yang, QIXING BAI, LIMIN TANG, JIANKAI YE