Patents Assigned to MEMS DRIVE (NANJING) CO., LTD
  • Publication number: 20250083949
    Abstract: An electrically-connected MEMS precision motion stage includes a stationary portion, one or more electrically-conductive MEMS flexure assemblies coupled to the stationary portion, a movable portion coupled to the one or more electrically-conductive MEMS flexure assemblies, one or more motion control assemblies disposed between the stationary portion and the movable portion and configured to control motion of the movable portion, and one or more position sensors disposed adjacent to the one or more motion control assemblies and configured to enable detection of movement of the one or more motion control assemblies, respectively.
    Type: Application
    Filed: September 10, 2024
    Publication date: March 13, 2025
    Applicant: MEMS DRIVE (Nanjing) Co., Ltd.
    Inventors: Matthew NG, Guiqin WANG
  • Patent number: 12237780
    Abstract: A temporary MEMS-based locking assembly is configured to temporarily compress electrically conductive flexures and includes: a first locking structure coupled to a first portion of a MEMS conductive assembly; a second locking structure coupled to a second portion of the MEMS conductive assembly, wherein: the electrically conductive flexures are positioned between the first portion of the MEMS conductive assembly and the second portion of the MEMS conductive assembly, and the first and second locking structures are configured to engage each other upon the compression of the electrically conductive flexures to effectuate the locking of the first portion of the MEMS conductive assembly with respect to the second portion of the MEMS conductive assembly.
    Type: Grant
    Filed: September 29, 2022
    Date of Patent: February 25, 2025
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Matthew Ng, Xiaolei Liu, Guiqin Wang
  • Patent number: 12135437
    Abstract: A multi-axis MEMS assembly is configured to provide multi-axis movement and includes: a first in-plane MEMS actuator configured to enable movement along at least an X-axis; and a second in-plane MEMS actuator configured to enable movement along at least a Y-axis; wherein the first in-plane MEMS actuator is coupled to the second in-plane MEMS actuator.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: November 5, 2024
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Matthew Ng, Xiaolei Liu, Guiqin Wang
  • Patent number: 12132420
    Abstract: A package for moving a platform in six degrees of freedom, is provided. The platform may include an optoelectronic device mounted thereon. The package includes an in-plane actuator which may be a MEMS actuator and an out-of-plane actuator which may be formed of a piezoelectric element. The in-plane MEMS actuator may be mounted on the out-of-plane actuator mounted on a recess in a PCB. The in-plane MEMS actuator includes a plurality comb structures in which fingers of opposed combs overlap one another, i.e. extend past each other's ends. The out-of-plane actuator includes a central portion and a plurality of surrounding stages that are connected to the central portion. The in-plane MEMS actuator is coupled to the out-of-plane Z actuator to provide three degrees of freedom to the payload which may be an optoelectronic device included in the package.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: October 29, 2024
    Assignee: MEMS DRIVE (NANJING) CO., LTD
    Inventors: Xiaolei Liu, Guiqin Wang, Matthew Ng
  • Patent number: 12003195
    Abstract: A multi-axis MEMS assembly includes: a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement, the micro-electrical-mechanical system (MEMS) actuator including: an in-plane MEMS actuator, and an out-of-plane MEMS actuator; and an optoelectronic device coupled to the micro-electrical-mechanical system (MEMS) actuator; wherein the in-plane MEMS actuator includes an electromagnetic actuator portion.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: June 4, 2024
    Assignee: MEMS DRIVE (NANJING) CO., LTD
    Inventors: Guiqin Wang, Matthew Ng, Xiaolei Liu
  • Patent number: 11825749
    Abstract: A method of generating a piezoelectric actuator includes: forming a piezoelectric member upon a rigid substrate; and removing one or more portions of the rigid substrate to form one or more gaps in the rigid substrate, thus defining at least one deformable portion of the piezoelectric member and at least one rigid portion of the piezoelectric member.
    Type: Grant
    Filed: November 10, 2019
    Date of Patent: November 21, 2023
    Assignee: MEMS Drive (Nanjing) Co., Ltd.
    Inventors: Guiqin Wang, Xiaolei Liu, Mahmood Samiee, Yufeng Wang
  • Patent number: 11652425
    Abstract: A multi-axis MEMS assembly includes: a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement; and an optoelectronic device coupled to the micro-electrical-mechanical system (MEMS) actuator.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 16, 2023
    Assignee: MEMS Drive (Nanjing) Co., Ltd.
    Inventors: Guiqin Wang, Xiaolei Liu
  • Patent number: 11522472
    Abstract: A multi-axis MEMS assembly includes: a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement, the micro-electrical-mechanical system (MEMS) actuator including: an in-plane MEMS actuator, and an out-of-plane MEMS actuator including a multi-morph piezoelectric actuator; an optoelectronic device coupled to the in-plane MEMS actuator; and a lens barrel assembly coupled to the out-of-plane MEMS actuator.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: December 6, 2022
    Assignee: MEMS Drive (Nanjing) Co., Ltd.
    Inventors: Guiqin Wang, Xiaolei Liu
  • Patent number: 11407634
    Abstract: A method of manufacturing a micro-electrical-mechanical system (MEMS) assembly includes mounting a micro-electrical-mechanical system (MEMS) actuator to a metal plate. An image sensor assembly is mounted to the micro-electrical-mechanical system (MEMS) actuator. The image sensor assembly is electrically coupled to the micro-electrical-mechanical system (MEMS) actuator, thus forming a micro-electrical-mechanical system (MEMS) subassembly.
    Type: Grant
    Filed: December 30, 2019
    Date of Patent: August 9, 2022
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Matthew Ng, Xiaolei Liu, Guiqin Wang
  • Patent number: 11327276
    Abstract: A multi-axis MEMS assembly includes a micro-electrical-mechanical system (MEMS) actuator configured to provide linear three-axis movement. The micro-electrical-mechanical system (MEMS) actuator includes: an in-plane MEMS actuator, and an out-of-plane MEMS actuator. An optoelectronic device is coupled to the micro-electrical-mechanical system (MEMS) actuator. The out-of-plane MEMS actuator includes a multi-morph piezoelectric actuator.
    Type: Grant
    Filed: January 24, 2019
    Date of Patent: May 10, 2022
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Guiqin Wang, Xiaolei Liu, Matthew Ng
  • Patent number: 11279612
    Abstract: A micro-electrical-mechanical system (MEMS) actuator includes: a MEMS actuation core, and a multi-piece MEMS electrical connector assembly electrically coupled to the MEMS actuation core and configured to be electrically coupled to a printed circuit board, wherein the multi-piece MEMS electrical connector includes: a plurality of subcomponents, and a plurality of coupling assemblies configured to couple the plurality of subcomponents together.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: March 22, 2022
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Xiaolei Liu, Matthew Ng, Guiqin Wang
  • Patent number: 11274033
    Abstract: A micro-electrical-mechanical system (MEMS) actuator includes a first set of actuation fingers, a second set of actuation fingers, and a first spanning structure configured to couple at least two fingers of the first set of actuation fingers while spanning at least one finger of the second set of actuation fingers.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: March 15, 2022
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Xiaolei Liu, Matthew Ng, Guiqin Wang
  • Patent number: 11261081
    Abstract: A micro-electrical-mechanical system (MEMS) assembly includes a stationary stage, a rigid stage, at least one flexure configured to slidably couple the stationary stage and the rigid stage, at least one flexible electrode coupled and essentially orthogonal to one of the stationary stage and the rigid stage, and at least one rigid electrode coupled and essentially orthogonal to the other of the stationary stage and the rigid stage.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: March 1, 2022
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Matthew Ng, Xiaolei Liu
  • Patent number: 11254558
    Abstract: A micro-electrical-mechanical system (MEMS) assembly includes a micro-electrical-mechanical system (MEMS) actuator configured to be coupled, on a lower surface, to a printed circuit board, an image sensor assembly coupled to an upper surface of the micro-electrical-mechanical system (MEMS) actuator, and a holder assembly coupled to and positioned with respect to the micro-electrical-mechanical system (MEMS) actuator.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: February 22, 2022
    Assignee: MEMS DRIVE (NANJING) CO., LTD.
    Inventors: Gerardo Morabito, Guiqin Wang
  • Patent number: 11124411
    Abstract: Shock-resistant MEMS structures are disclosed. In one implementation, a motion control flexure for a MEMS device includes: a rod including a first and second end, wherein the rod is tapered along its length such that it is widest at its center and thinnest at its ends; a first hinge directly coupled to the first end of the rod; and a second hinge directly coupled to the second of the rod. In another implementation, a conductive cantilever for a MEMS device includes: a curved center portion includes a first and second end, wherein the center portion has a point of inflection; a first root coupled to the first end of the center portion; and a second root coupled to the second end of the center portion. In yet another implementation, a shock stop for a MEMS device is described.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: September 21, 2021
    Assignee: MEMS Drive (Nanjing) Co., Ltd
    Inventors: Gerardo Morabito, Xiaolei Liu, Guiqin Wang, Roman Gutierrez, Matthew Ng
  • Patent number: 11104570
    Abstract: Caging structures are disclosed for caging or otherwise reducing the mechanical shock pulse experienced by MEMS device beam structures during events that may cause mechanical shock to the MEMS device. The caging structures at least partially surround the beam such that they limit the motion of the beam in a direction perpendicular to the beam's longitudinal axis, thereby reducing stress on the beam during a mechanical shock event. The caging structures may be used in combination with mechanical shock-resistant beams.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: August 31, 2021
    Assignee: MEMS Drive (Nanjing) Co., Ltd.
    Inventors: Xiaolei Liu, Matthew Ng, Robert Calvet, Gerardo Morabito
  • Patent number: 11005392
    Abstract: An apparatus is provided. The apparatus includes a bidirectional comb drive actuator. The apparatus may also include a cantilever. The cantilever includes a first end connected to the bidirectional comb drive actuator and a second end connected to an inner frame. In addition, the cantilever may include first and second conductive layers for routing electrical signals. Embodiments of the disclosed apparatuses, which may include multi-dimensional actuators, allow for an increased number of electrical signals to be routed to the actuators. Moreover, the disclosed apparatuses allow for actuation multiple directions, which may provide for increased control, precision, and flexibility of movement. Accordingly, the disclosed embodiments provide significant benefits with regard to optical image stabilization and auto-focus capabilities, for example in size- and power-constrained environments.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: May 11, 2021
    Assignee: MEMS DRIVE (NANJING) CO., LTD
    Inventors: Xiaolei Liu, Roman Gutierrez, Matthew Ng, Guiqin Wang