Patents Assigned to Microjet Technology Co., Ltd
  • Patent number: 11850854
    Abstract: A wafer structure is disclosed and includes a chip substrate and an inkjet chip. The chip substrate is a silicon substrate fabricated by a semiconductor process on a wafer of 12 inches. The inkjet chips are formed on the chip substrate by the semiconductor process and diced into the inkjet chip. The inkjet chip includes plural ink-drop generators generated by the semiconductor process on the chip substrate. Each of the plurality of ink-drop generators includes a nozzle. A diameter of the nozzle is in a range between 0.5 micrometers and 10 micrometers. A volume of an inkjet drop discharged from the nozzle is in a range between 1 femtoliter and 3 picoliters. The ink-drop generators form plural longitudinal axis array groups having a pitch and plural horizontal axis array groups having a central stepped pitch equal to or less than 1/600 inches.
    Type: Grant
    Filed: September 13, 2021
    Date of Patent: December 26, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ying-Lun Chang, Hsien-Chung Tai, Yung-Lung Han, Chi-Feng Huang, Wei-Ming Lee
  • Publication number: 20230400209
    Abstract: An indoor air pollution detection and purifying prevention method is disclosed and includes: providing a plurality of gas detection devices disposed in an indoor space for detecting air pollution and outputting air pollution data; and providing a plurality of filtration devices disposed in the indoor space. Each filtration device includes a driver for receiving the air pollution data. When the driver determines that air pollution data exceeding a safety detection value, the driver controls the corresponding filtration device to be enabled. The indoor space has a cardinal number of ten-pings area, the cardinal number is multiplied by 13 to obtain a maximum number, and the plurality of gas detection devices are disposed in the indoor space based on the maximum number for enabling the plurality of filtration devices, thereby filtering and purifying the air pollution in the indoor space to generate a clean and safely breathable air state.
    Type: Application
    Filed: April 13, 2023
    Publication date: December 14, 2023
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Chin-Chuan Wu, Yung-Lung Han, Chi-Feng Huang
  • Patent number: 11813863
    Abstract: A wafer structure is disclosed and includes a chip substrate and at least one inkjet chip having plural ink-drip generators. Each ink-drop generator includes a thermal-barrier layer, a resistance heating layer and a protective layer. The thermal-barrier layer is formed on the chip substrate, the resistance heating layer is formed on the thermal-barrier layer, a part of the protective layer is formed on the resistance heating layer, and the barrier layer is formed on the protective layer. The ink-supply chamber has a bottom in communication with the protective layer, and a top in communication with the nozzle. The thermal-barrier layer has a thickness of 500˜5000 angstroms, the protective layer has a thickness of 150˜3500 angstroms, the resistance heating layer has a thickness of 100˜500 angstroms, the resistance heating layer has a length of 5˜30 microns, and the resistance heating layer has a width of 5˜10 microns.
    Type: Grant
    Filed: September 7, 2021
    Date of Patent: November 14, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ying-Lun Chang, Hsien-Chung Tai, Yung-Lung Han, Chi-Feng Huang, Chin-Wen Hsieh
  • Patent number: 11772030
    Abstract: A miniature gas detection and purification device is disclosed for a user to carry with himself, and includes a main body, a purification module, a gas guider and a gas detection module. The gas detection module detects gas of surrounding environment to obtain a gas detection datum, and controls the gas guider to be operated according to the gas detection datum, so that gas is inhaled into the main body and flows through the purification module for filtration and purification, and the gas purified is finally guided to a region close to the user.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: October 3, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai, Wei-Ming Lee, Chun-Yi Kuo, Yang Ku
  • Patent number: 11772461
    Abstract: A method of air pollution filtration in a vehicle is disclosed. A plurality of purification devices are provided to detect and transmit an inside-device gas detection datum, respectively, for intelligently selecting and controlling the activation of filtering the air pollution in the inner space of the vehicle. An in-car gas exchange system and a connection device are provided. The connection device receives and compares the respective inside-device gas detection datum, and selectively transmits a control instruction to drive the in-car gas exchange system and the purification devices. The movement of the air pollution is accelerated by the gas convention of the in-car gas exchange system, so that the air pollution is directionally moved toward the corresponding one of the purification devices adjacent to the air pollution for filtration. The air pollution in the inner space of the vehicle is filtered rapidly, so as to provide clean, safe and breathable air.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: October 3, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ching-Sung Lin, Chin-Chuan Wu, Yung-Lung Han, Chi-Feng Huang, Chin-Wen Hsieh
  • Patent number: 11772029
    Abstract: A gas detection and purification device can be placed in an in-car space and includes a housing, a purification module, a gas-guiding unit, and a gas detection module. The housing has a gas inlet and a gas outlet. A gas channel is between the gas inlet and the gas outlet. The purification module is disposed in the gas channel to filter the gas guided into the gas channel. The gas-guiding unit is disposed in the gas channel and at one side of the purification module. The gas-guiding unit guides the gas into the device from the gas inlet, guides the gas to pass through the purification module for performing filtering and purifying, and discharges the gas out from the gas outlet. The gas detection module is disposed in the gas channel to detect the gas guided into the housing to obtain gas detection data.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: October 3, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ching-Sung Lin, Chin-Chuan Wu, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo, Chin-Wen Hsieh
  • Publication number: 20230304904
    Abstract: A device for detecting gas and controlling volume of clean gas includes a gas detection module and a gas guider. The gas detection module includes a control circuit board, a gas detection main part and a microprocessor, wherein the gas detection main part detects a gas to generate a signal and transmits the signal to the microprocessor for calculating and processing so as to generate a gas detection data, and the microprocessor outputs a power signal and a pulse-width modulation (PWM) signal according to the gas detection data. The gas guider receives the power signal and the PWM signal outputted by the microprocessor, the gas guider is enabled or disabled, as well as a rotation speed and an output volume of clean gas of the at least one gas guider are adjusted according to the power signal and the PWM signal.
    Type: Application
    Filed: March 7, 2023
    Publication date: September 28, 2023
    Applicant: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Chin-Chuan Wu, Yung-Lung Han, Chi-Feng Huang
  • Patent number: 11770913
    Abstract: A heat-dissipating component for a mobile device includes a case body, a micro pump, and a heat dissipation tube plate. The case body has a vent hole and a positioning accommodation trough. The bottom of the positioning accommodation trough is in communication with the vent hole. The micro pump is disposed in the positioning accommodation trough and corresponds to the vent hole The heat dissipation tube plate has cooling fluid inside. One end of the heat dissipation tube plate is fixed on the positioning accommodation trough and contacts a heating element of the mobile device. The gas transmitted by the micro pump forms gas flow so as to perform heat exchange with heat absorbed by the heat dissipation tube plate, and the gas flow is discharged out through the vent hole.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: September 26, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ching-Sung Lin, Chin-Chuan Wu, Chih-Kai Chen, Yung-Lung Han, Chi-Feng Huang, Wei-Ming Lee
  • Patent number: 11753060
    Abstract: A purification device of baby carriage is provided and includes a main body, a purification unit, a gas guider and a gas detection module. The purification unit, the gas guider and the gas detection module are disposed in the main body to guide the gas outside the main body through the purification unit for filtering and purifying the gas, and discharge a purified gas. The gas detection module detects particle concentration of suspended particles contained in the purified gas. The gas guider is controlled to operate and export a gas at an airflow rate within 3 minutes. The particle concentration of the suspended particles contained in the purified gas, which is filtered by the purification unit, is reduced to and less than 0.75 ?g/m3. Consequently, the purified gas is filtered, and the baby inside the baby carriage can breathe with safety.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: September 12, 2023
    Assignee: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Chi-Feng Huang, Yung-Lung Han, Chang-Yen Tsai, Wei-Ming Lee
  • Patent number: 11754200
    Abstract: A miniature transportation device is disclosed and includes a gas inlet plate, a resonance plate and a piezoelectric actuator, which are stacked on each other sequentially. The gas inlet plate comprises at least one inlet, at least one convergence channel and a convergence chamber. The convergence channel is in fluid communication with the inlet and the convergence channel. The resonance plate comprises a central aperture. A chamber gap is formed between the resonance plate and the piezoelectric actuator to define a first chamber. When the piezoelectric actuator is enabled, the gas is fed into the miniature gas transportation device through the inlet of the gas inlet plate, converged to the convergence chamber through the convergence channel, transferred through the central aperture of the resonance plate, introduced into the first chamber, and transferred along a transportation direction through a vacant space of the piezoelectric actuator to be discharged continuously.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: September 12, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Chi-Feng Huang, Yung-Lung Han, Chun-Yi Kuo
  • Patent number: 11746770
    Abstract: A gas transportation device is provided and includes an outer housing, a valve body and an actuator. The outer housing includes an outlet cover, an outlet end, an accommodation space, an inlet cover, and an inlet end. The valve body is in a circular shape and includes a gas outlet plate, a valve plate and a first plate stacked sequentially and disposed within the accommodation space. The actuator is in a circular shape, stacked and disposed on the valve body, includes a second plate, a frame and an actuating component. When the actuator is driven, through the structure of misalignment of the first orifices and the valve openings, the valve body is operated to open a flow path when an airflow is in a forward direction, and the valve body is operated to seal the flow path when the airflow is in a reverse direction.
    Type: Grant
    Filed: January 28, 2022
    Date of Patent: September 5, 2023
    Assignee: Microjet Technology Co., Ltd.
    Inventors: Hao-Jan Mou, Shih-Chang Chen, Chi-Chang Yang, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai, Chun-Yi Kuo
  • Patent number: 11746769
    Abstract: A miniature blower includes a soft sheet, a nozzle plate, a chamber frame, an actuator body, an insulation frame, and a conductive frame. The nozzle plate has a suspension portion, and the soft sheet is disposed on the suspension portion. The chamber frame is disposed on the nozzle plate. The actuator body includes a piezoelectric carrier plate, an adjusting resonance plate, and a piezoelectric plate. The actuator body is disposed on the chamber frame. The insulation frame is disposed on the actuator. The center point of a central hole of the soft sheet and the center point of a hollow hole of the suspension portion are located at the same axis.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: September 5, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Jyun-Yi Jhang, Chun-Lung Tseng, Jia-Yu Liao, Shih-Chang Chen, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo, Yi-Ting Lu
  • Patent number: 11746773
    Abstract: A gas transportation device is provided and includes an outer housing, a valve body and an actuator. The valve body includes a gas outlet plate, a valve plate and a first plate. The gas outlet plate includes plural outlet apertures, the first plate includes plural first orifices, the valve plate includes plural valve openings, the plural valve openings are misaligned with the plural first orifices and corresponding in position to the plural outlet apertures. The actuator having an actuating component in rectangular shape is stacked and disposed on the valve body. When the actuator is driven, through the structure that the plural first orifices and the plural valve openings are misaligned, the valve body is operated to open a flow path when an airflow is in a forward direction, and the valve body is operated to seal the flow path when the airflow is in a reverse direction.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: September 5, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Shih-Chang Chen, Jia-Yu Liao, Chun-Lung Tseng, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai
  • Patent number: 11744474
    Abstract: A blood pressure measurement module is provided and includes a base, a valve plate, a top cover, a micro pump, a driving circuit board and a pressure sensor. The valve plate is disposed between the base and the top cover. The micro pump is disposed within the base. The pressure sensor is disposed on the driving circuit board. An air inlet groove and the pressure sensor are connected to an airbag. The micro pump is actuated to make the airbag be inflated and oppress the skin of a user. The pressure sensor detects the pressure change within the airbag to measure the blood pressure of the user.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: September 5, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ching-Sung Lin, Wen-Yang Yang, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai, Wei-Ming Lee
  • Patent number: 11746772
    Abstract: A miniature fluid transportation device is provided and includes a convergence component, a valve component, an outlet plate and a plurality of fluid transportation actuation components. The plurality of fluid transportation actuation components are disposed on the convergence component so as to transport the fluid to the convergence component. The convergence component guides the fluid transported by the fluid transportation actuation components to the outlet plate through the valve component. The outlet plate guides the fluid from different transportation actuation components back to the convergence component by a separation guiding block. The fluid is converged in a convergence central slot of the convergence component and is discharged out through a collection channel of the outlet plate. Consequently, the problem of interference owing to the convergence of the fluid transported by different fluid transportation actuation components can be avoided.
    Type: Grant
    Filed: August 2, 2021
    Date of Patent: September 5, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Chung-Wei Kao, Shih-Chang Chen, Chi-Chang Yang, Jyun-Yi Jhang, Chi-Feng Huang, Yung-Lung Han, Chang-Yen Tsai, Wei-Ming Lee
  • Patent number: 11738556
    Abstract: A wafer structure including a chip substrate and plural inkjet chips is disclosed. The chip substrate is a silicon substrate fabricated by a semiconductor process on a wafer of at least 12 inches. The inkjet chips are formed on the chip substrate by the semiconductor process and diced into the first inkjet chip and the second inkjet chip. Each of the first inkjet chip and the second inkjet chip includes plural ink-drop generators. Each of the ink-drop generators includes a nozzle. A diameter of the nozzle is in a range between 0.5 micrometers and 10 micrometers. A volume of an inkjet drop discharged from the nozzle is in a range between 1 femtoliter and 3 picoliters. The ink-drop generators form plural longitudinal axis array groups having a pitch and form plural horizontal axis array groups having a central stepped pitch equal to 1/600 inches or less.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: August 29, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ying-Lun Chang, Hsien-Chung Tai, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai
  • Patent number: 11737676
    Abstract: A blood pressure measurement module includes a top cover, a micro pump, a driving circuit board, and a pressure sensor. The top cover has a gas inlet hole, an accommodation trough, and an outlet channel. An inner wall of the accommodation trough is recessed to form a gas collection chamber in communication with the gas inlet hole, and the outlet channel is connected to a gas bag. The pressure sensor is electrically connected to the driving circuit board. The driving circuit board covers the accommodation trough of the top cover. The operation of the micro pump is controlled by the driving circuit board. The gas is continuously guided to the outlet channel and is converged at the gas bag by the micro pump. When the pressure of the gas in the gas bag measured by the pressure sensor reaches a valve value, the micro pump stops its operation.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: August 29, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ching-Sung Lin, Wen-Yang Yang, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo, Yi-Ting Lu
  • Patent number: 11733143
    Abstract: An external gas detecting device is provided. The external gas detecting device includes a casing, a gas detection module and an external connector. The gas detection module is disposed in the casing and detects a gas transported into the casing to generate a gas information. The external connector is connected to and disposed on the casing. The external connector is used to be connected to an external power supply so as to enable the gas detection module, and is used to transmit the gas information so as to achieve the outward transmission of the gas information.
    Type: Grant
    Filed: November 2, 2020
    Date of Patent: August 22, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ching-Sung Lin, Chin-Chuan Wu, Yung-Lung Han, Chi-Feng Huang, Chang-Yen Tsai, Wei-Ming Lee
  • Patent number: 11731424
    Abstract: A wafer structure is disclosed and includes a chip substrate and a plurality of inkjet chips. The chip substrate is a silicon substrate fabricated by a semiconductor process. At least one inkjet chip is directly formed on the chip substrate by the semiconductor process and diced into the at least one inkjet chip for inkjet printing. Each of the inkjet chip includes a plurality of ink-drop generators produced by a semiconductor process and formed on the chip substrate. Each of the ink-drop generators includes a thermal-barrier layer, a resistance heating layer, a conductive layer, a protective layer, a barrier layer, an ink-supply chamber and a nozzle.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: August 22, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ying-Lun Chang, Hsien-Chung Tai, Yung-Lung Han, Chi-Feng Huang, Chin-Wen Hsieh
  • Patent number: 11731423
    Abstract: A wafer structure is disclosed and includes a chip substrate and plural inkjet chips having plural ink-drip generators. Each ink-drop generator includes a thermal-barrier layer, a resistance heating layer and a protective layer. The thermal-barrier layer is formed on the chip substrate, the resistance heating layer is formed on the thermal-barrier layer, a part of the protective layer is formed on the resistance heating layer, and the barrier layer is formed on the protective layer. The ink-supply chamber has a bottom in communication with the protective layer, and a top in communication with the nozzle. The thermal-barrier layer has a thickness of 500˜5000 angstroms, the protective layer has a thickness of 150˜3500 angstroms, the resistance heating layer has a thickness of 100˜500 angstroms, the resistance heating layer has a length of 5˜30 microns, and the resistance heating layer has a width of 5˜10 microns.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: August 22, 2023
    Assignee: MICROJET TECHNOLOGY CO., LTD.
    Inventors: Hao-Jan Mou, Ying-Lun Chang, Hsien-Chung Tai, Yung-Lung Han, Chi-Feng Huang, Chun-Yi Kuo