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    Forming partial-depth features in polymer film
    2.
    发明申请
    Forming partial-depth features in polymer film 有权
    在聚合物膜中形成部分深度特征

    公开(公告)号：US20050069782A1

    公开(公告)日：2005-03-31

    申请号：US10672201

    申请日：2003-09-26

    申请人： Peter Elenius ,  Michael Johnson

    发明人： Peter Elenius ,  Michael Johnson

    IPC分类号： G03C5/00 ,  G03F20060101 ,  G03F1/14 ,  G03F9/00 ,  G21K5/00

    CPC分类号： G03F1/50

    摘要： A photomask (1900) for producing partial-depth features (712 and 912) in a photo-imageable polymer layer (412) on a wafer of a chip scale package (200) using exposure tools capable of resolving sizes of a critical dimension or larger, has a plurality of chrome lines (2101-2103). Each chrome line has a width (2105) that is less than the critical dimension, and each chrome line of the plurality of chrome lines is spaced apart less than the critical dimension. The plurality of chrome lines produces a single partial-depth feature, such as a via, through part of a thickness of the polymer layer. Alternatively, the photomask has a plurality of chrome circles (2206), each chrome circle having a diameter less than the critical dimension and being spaced apart less than the critical dimension, which produces the partial-depth feature. The photomask may also have chrome of width greater than the critical dimension and spaced from other chrome by a distance greater than the critical dimension, which produces a full-depth feature through the entire thickness of the polymer film. The partial-depth feature and the full-depth feature are produced substantially simultaneously during a single series of photo-imaging steps. By preselecting a size, shape and distance between the chrome, the photomask is capable of inscribing discernable markings on the polymer layer, of changing the thickness of the polymer layer, and of changing an optical property of the surface of the polymer layer. The abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims pursuant to 37 C.F.R. §1.72(b).

    摘要翻译： 一种光掩模（1900），用于使用能够分辨关键尺寸或更大尺寸的曝光工具在芯片级封装（200）的晶片上的可光成像聚合物层（412）中产生部分深度特征（712和912） 具有多条铬线（2101-2103）。 每个铬线具有小于临界尺寸的宽度（2105），并且多个铬线的每个铬线间隔开小于临界尺寸。 多条铬线通过聚合物层的厚度的一部分产生单一部分深度特征，例如通孔。 或者，光掩模具有多个铬圆（2206），每个铬圆的直径小于临界尺寸，并且间隔开小于临界尺寸，产生部分深度特征。 光掩模还可以具有大于临界尺寸的宽度的铬，并且与其它铬隔开大于临界尺寸的距离，其通过聚合物膜的整个厚度产生全深度特征。 部分深度特征和全深度特征在单个系列的光成像步骤期间基本上同时产生。 通过预先选择铬之间的尺寸，形状和距离，光掩模能够在聚合物层上刻划可辨别的标记，改变聚合物层的厚度和改变聚合物层的表面的光学性质。 提交摘要的理解是，根据37 C.F.R.不会将其用于解释或限制权利要求的范围或含义。 §1.72（b）。

    Seating assembly including a convertible landing seat
    3.
    发明授权
    Seating assembly including a convertible landing seat 有权

    公开(公告)号：US11299953B2

    公开(公告)日：2022-04-12

    申请号：US16399558

    申请日：2019-04-30

    申请人： Michael Johnson ,  Matthew Stone ,  Colin Andrew

    发明人： Michael Johnson ,  Matthew Stone ,  Colin Andrew

    IPC分类号： E21B34/14 ,  E21B33/00 ,  E21B33/12 ,  E21B43/26 ,  E21B34/10

    摘要： An apparatus includes a housing configured to be disposed in a borehole in a resource bearing formation, the housing including an axially extending fluid conduit configured to receive borehole fluid, and a seating assembly including a convertible component that is configured to be actuated to move the convertible component in a radial direction between an open position and a seating position. The convertible component extends radially into the fluid conduit and forms a landing seat for an object when in the seating position, and the convertible component allows passage of the object therethrough when in the open position.

    Downhole position measurement using wireless transmitters and receivers
    4.
    发明授权
    Downhole position measurement using wireless transmitters and receivers 有权

    公开(公告)号：US11168561B2

    公开(公告)日：2021-11-09

    申请号：US16216408

    申请日：2018-12-11

    申请人： Lei Fang ,  Michael Johnson ,  Herb Dhuet ,  Roger Steinsiek

    发明人： Lei Fang ,  Michael Johnson ,  Herb Dhuet ,  Roger Steinsiek

    IPC分类号： E21B47/09 ,  E21B47/16 ,  E21B47/095

    摘要： An apparatus for determining a location of a downhole component includes at least one transmitter device and a receiver device. One of the at least one transmitter device and the receiver device is disposed at a first component of a borehole string configured to be deployed in a borehole and retained at a stationary position, and another of the at least one transmitter device and the receiver device is disposed at a moveable component configured to be moved while the first component is at the stationary position, the at least one transmitter device configured to emit a wireless signal and the receiver device configured to detect the wireless signal when the first component is at the stationary position. The apparatus also includes a processing device configured to receive signal data and estimate a location of the moveable component relative to the first component based on the signal data.

    OBJECT SEAT AND METHOD
    7.
    发明申请
    OBJECT SEAT AND METHOD 审中-公开

    公开(公告)号：US20200032600A1

    公开(公告)日：2020-01-30

    申请号：US16047923

    申请日：2018-07-27

    申请人： YingQing Xu ,  Michael Johnson ,  Matthew Stone ,  Colin Andrew ,  Zhiyue Xu

    发明人： YingQing Xu ,  Michael Johnson ,  Matthew Stone ,  Colin Andrew ,  Zhiyue Xu

    IPC分类号： E21B23/04 ,  E21B34/08 ,  E21B34/14

    摘要： An object seat including a seat host having a seal bore therein, a seat body dimensioned to be receivable in the seal bore, the seat body having an object receptor. A method for carrying out a pressure operation in a borehole including seating an object on an object receptor of a seat body, the seat body disposed in a seat host, the seat host disposed in the borehole, pressuring against the object, and moving the seat body along an interface between the seat body and the seat host to create a fluid flow pathway through the seat body and seat host interface. A borehole system including a borehole in a formation, an object seat as in any prior embodiment disposed in the borehole.

    Ducted fan propulsion engine
    8.
    发明授权
    Ducted fan propulsion engine 有权

    公开(公告)号：US10513333B2

    公开(公告)日：2019-12-24

    申请号：US15603195

    申请日：2017-05-23

    申请人： Michael Johnson

    发明人： Michael Johnson

    IPC分类号： B63H1/06 ,  B64C29/00

    摘要： A propulsion engine for an aircraft comprises an enclosure having a longitudinal axis oriented in a direction of travel of an aircraft, the enclosure including a series of walls and a plurality of ducts arranged along the longitudinal axis. Each of the ducts including a number of walls that are either dynamic or static in movement. Each of the ducts includes a central axis that is angled at, or can be adjusted to, an angle toward the front wall of the enclosure such that a top end of each duct is toward the front wall of the enclosure. A fan is disposed in each of the ducts configured to generate airflow along the respective central axes from the top end to the bottom end to provide lift and thrust to the aircraft.

    DOWNHOLE POSITION MEASUREMENT USING WIRELESS TRANSMITTERS AND RECEIVERS
    9.
    发明申请
    DOWNHOLE POSITION MEASUREMENT USING WIRELESS TRANSMITTERS AND RECEIVERS 审中-公开

    公开(公告)号：US20190211667A1

    公开(公告)日：2019-07-11

    申请号：US16216408

    申请日：2018-12-11

    申请人： Lei Fang ,  Michael Johnson ,  Herb Dhuet ,  Roger Steinsiek

    发明人： Lei Fang ,  Michael Johnson ,  Herb Dhuet ,  Roger Steinsiek

    IPC分类号： E21B47/09 ,  E21B47/16

    CPC分类号： E21B47/091 ,  E21B47/16

    摘要： An apparatus for determining a location of a downhole component includes at least one transmitter device and a receiver device. One of the at least one transmitter device and the receiver device is disposed at a first component of a borehole string configured to be deployed in a borehole and retained at a stationary position, and another of the at least one transmitter device and the receiver device is disposed at a moveable component configured to be moved while the first component is at the stationary position, the at least one transmitter device configured to emit a wireless signal and the receiver device configured to detect the wireless signal when the first component is at the stationary position. The apparatus also includes a processing device configured to receive signal data and estimate a location of the moveable component relative to the first component based on the signal data.

    Method of making and using a functionally gradient composite tool
    10.
    发明授权
    Method of making and using a functionally gradient composite tool 有权

    公开(公告)号：US10335858B2

    公开(公告)日：2019-07-02

    申请号：US15178882

    申请日：2016-06-10

    申请人： Zhiyue Xu ,  Michael Johnson

    发明人： Zhiyue Xu ,  Michael Johnson

    IPC分类号： E21B33/12 ,  B22F7/04 ,  E21B23/00 ,  E21B29/00 ,  B22F7/06 ,  B05D7/14 ,  B22F7/02 ,  E21B17/00 ,  E21B34/06 ,  B22F5/00 ,  B33Y80/00 ,  E21B34/00

    摘要： A method of making a composite downhole article is disclosed. The method include forming at least one removable core member comprising a first metallic material that is removable in a wellbore fluid at a first removal rate; and disposing at least one outer member on the core member, the outer member comprising a second material that is removable in the wellbore fluid at a second removal rate, wherein the removable core member has a composition gradient or a density gradient, or a combination thereof, and wherein the first removal rate is substantially greater than the second removal rate. A method of using a composite downhole article is also disclosed. The method includes forming a composite downhole article as described above; using the article to perform a first wellbore operation; exposing the article to the wellbore fluid; and selectively removing the second removable member.