公开(公告)号：US20200309111A1

公开(公告)日：2020-10-01

申请号：US16825100

申请日：2020-03-20

Applicant: MICROJET TECHNOLOGY CO., LTD.

Inventor： Hao-Jan Mou ,  Rong-Ho Yu ,  Cheng-Ming Chang ,  Hsien-Chung Tai ,  Wen-Hsiung Liao ,  Chi-Feng Huang ,  Yung-Lung Han ,  Chun-Yi Kuo

IPC: F04B43/04 ,  H01L41/09

Abstract: A micro-electromechanical systems pump includes a first substrate, a first oxide layer, a second substrate, and a piezoelectric element. The first oxide layer is stacked on the first substrate. The second substrate is combined with the first substrate, and the second substrate includes a silicon wafer layer, a second oxide layer, and a silicon material layer. The silicon wafer layer has an actuation portion. The actuation portion is circular and has a maximum stress value and an actuation stress value. The second oxide layer is formed on the silicon wafer layer. The silicon material layer is located at the second oxide layer and is combined with the first oxide layer. The piezoelectric element is stacked on the actuation portion, and has a piezoelectric stress value. The maximum stress value is greater than the actuation stress value, and the actuation stress value is greater than the piezoelectric stress value.

公开(公告)号：US20200173971A1

公开(公告)日：2020-06-04

申请号：US16696703

申请日：2019-11-26

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Yung-Lung Han ,  Chi-Feng Huang ,  Chang-Yen Tsai ,  Wei-Ming Lee ,  Hsuan-Kai Chen ,  Chun-Yi Kuo

IPC: G01N33/00 ,  G01N1/22 ,  H04L29/08

Abstract: A method of air quality notification is disclosed. The method includes steps of providing a portable air quality monitoring device for monitoring air quality. The portable air quality monitoring device monitors the ambient air quality at a location in a monitoring period of time to generate a monitoring data, and has a GPS component to generate a position data of the location, both of them can be integrated as a notification data and delivered. A cloud data processing device is provided for receiving the notification data delivered from the portable air quality monitoring device, wherein the notification data is processed, calculated and converted to generate a push data, and the push data is delivered at a push period through a push notification service. A notification receiving device is provided for receiving the push data delivered from the cloud data processing device, so as to display the push data immediately.

公开(公告)号：US12010919B2

公开(公告)日：2024-06-11

申请号：US17241506

申请日：2021-04-27

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Hsien-Chung Tai ,  Lin-Huei Fang ,  Yung-Lung Han ,  Chi-Feng Huang ,  Chun-Yi Kuo ,  Tsung-I Lin ,  Chin-Wen Hsieh

IPC: H01L41/04 ,  B81B3/00 ,  H10N30/20 ,  H10N30/80

CPC classification number: H10N30/802 ,  B81B3/0021 ,  H10N30/2047 ,  B81B2201/036

Abstract: A heterogeneous integration chip of a micro fluid actuator is disclosed and includes a first substrate, a first insulation layer, a first conductive layer, a piezoelectric layer, a second conductive layer, a second substrate, a control element, a perforated trench and a conductor. The first substrate includes a first chamber. The first insulation layer is disposed on the first substrate. The first conductive layer is disposed on the first insulation layer and includes an electrode pad. The piezoelectric layer and the second conductive layer are stacked on the first conductive layer sequentially. The second substrate is assembled to the first substrate through a bonding layer to define a second chamber and includes an orifice, a fluid flowing channel and a third chamber. The control element is disposed in the second substrate. The perforated trench filled with the conductor is penetrated from the electrode pad to the second substrate.

公开(公告)号：US11889766B2

公开(公告)日：2024-01-30

申请号：US17072642

申请日：2020-10-16

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Hsien-Chung Tai ,  Lin-Huei Fang ,  Yung-Lung Han ,  Chi-Feng Huang ,  Chun-Yi Kuo ,  Tsung-I Lin

IPC: H01L41/09 ,  H10N30/20

CPC classification number: H10N30/2047

Abstract: A miniature fluid actuator is disclosed and includes a substrate, a chamber layer, a carrying layer and a piezoelectric assembly. The substrate has an inlet. The chamber layer is formed on the substrate and includes a first chamber in communication with the inlet, a resonance layer and a second chamber. The resonance layer has a central aperture in communication between the first chamber and the second chamber. The carrying layer includes a fixed region formed on the chamber layer, a vibration region, a connection portion and a vacant. The vibration region is located at a center of the fixed region and corresponding to the second chamber. The connection portion is connected between the fixed region and the vibration region. The vacant is formed among the fixed region, the vibration region and the connection portion. The piezoelectric assembly is formed on the vibration region.

公开(公告)号：US11889764B2

公开(公告)日：2024-01-30

申请号：US17349249

申请日：2021-06-16

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Shih-Chang Chen ,  Jia-Yu Liao ,  Hung-Hsin Liao ,  Che-Wei Huang ,  Chi-Feng Huang ,  Yung-Lung Han ,  Chun-Yi Kuo ,  Wei-Ming Lee

IPC: H01L41/053 ,  H10N30/20 ,  H10N30/88

CPC classification number: H10N30/20 ,  H10N30/88

Abstract: A piezoelectric actuator includes a square suspension plate, an outer frame, a plurality of brackets and a square piezoelectric ceramic plate. The outer frame is arranged around the suspension plate. A second surface of the outer frame and a second surface of the suspension plate are coplanar with each other. Each of the plurality of brackets has two ends, a first end is perpendicular to and connected with the suspension plate, and a second end is perpendicular to and connected with the outer frame for elastically supporting the suspension plate. Each bracket has a length in a range between 1.22 mm and 1.45 mm and a width in a range between 0.2 mm and 0.6 mm. A length of the piezoelectric ceramic plate is not larger than a length of the suspension plate. The piezoelectric ceramic plate is attached on a first surface of the suspension plate.

公开(公告)号：US11754200B2

公开(公告)日：2023-09-12

申请号：US16414096

申请日：2019-05-16

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Chi-Feng Huang ,  Yung-Lung Han ,  Chun-Yi Kuo

IPC: F16K99/00 ,  F04B43/04 ,  F04B13/00 ,  F04B45/047 ,  B81B7/02

CPC classification number: F16K99/0015 ,  F04B13/00 ,  F04B43/046 ,  F04B45/047 ,  F16K99/0048 ,  B81B7/02

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.

公开(公告)号：US11746770B2

公开(公告)日：2023-09-05

申请号：US17586973

申请日：2022-01-28

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Shih-Chang Chen ,  Chi-Chang Yang ,  Yung-Lung Han ,  Chi-Feng Huang ,  Chang-Yen Tsai ,  Chun-Yi Kuo

IPC: F04B43/04

CPC classification number: F04B43/046

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.

公开(公告)号：US11746769B2

公开(公告)日：2023-09-05

申请号：US17097005

申请日：2020-11-13

Applicant: MICROJET TECHNOLOGY CO., LTD.

Inventor： 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

IPC: F04B43/04 ,  F04B39/00 ,  F04B11/00

CPC classification number: F04B43/046 ,  F04B11/00 ,  F04B39/005 ,  F04B39/0027

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.

公开(公告)号：US11703045B2

公开(公告)日：2023-07-18

申请号：US17585794

申请日：2022-01-27

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Chung-Wei Kao ,  Shih-Chang Chen ,  Jyun-Yi Jhang ,  Yung-Lung Han ,  Chi-Feng Huang ,  Chun-Yi Kuo

IPC: F04B45/067 ,  F04B53/10 ,  F04B43/04 ,  F04B19/00

CPC classification number: F04B45/067 ,  F04B43/04 ,  F04B43/046 ,  F04B53/1075 ,  F04B19/006 ,  F04B43/043

Abstract: A thin gas transportation device is provided and includes a shell, a check valve and a gas pump. The shell includes a shell surface, an accommodation slot and an outlet slot. The accommodation slot is recessed from the shell surface and includes an accommodation bottom surface. The outlet slot is recessed from the accommodation bottom surface. The check valve is disposed within the accommodation slot and includes a barrier plate and a valve plate. The barrier plate is disposed on the accommodation bottom surface and covers the outlet slot. The barrier plate includes a first surface, a second surface, a protruding part and a plurality of perforations. The protruding part is protruding from the second surface and located at the outlet slot. The valve plate is coupled to the second surface, and the protruding part abuts against the valve part and seals the valve hole.

公开(公告)号：US11614385B2

公开(公告)日：2023-03-28

申请号：US17016618

申请日：2020-09-10

Applicant: Microjet Technology Co., Ltd.

Inventor： Hao-Jan Mou ,  Ching-Sung Lin ,  Wen-Yang Yang ,  Yung-Lung Han ,  Chi-Feng Huang ,  Chun-Yi Kuo ,  Chin-Wen Hsieh

IPC: G01N1/24 ,  F04B45/047 ,  G01N33/00

Abstract: A gas detecting module is disclosed. A gas-inlet concave and a gas-outlet concave are formed on a sidewall of a base. A gas-inlet-groove region and a gas-outlet-groove region are formed on a surface of the base. The gas-inlet concave is in communication with a gas-inlet groove of the gas-inlet-groove region, and the gas-outlet concave is in communication a gas-outlet groove of the gas-outlet-groove region. The gas-inlet-groove region and the gas-outlet-groove region are covered by a thin film to achieve the effectiveness of laterally inhaling and discharging out gas relative to the gas detecting module.