公开(公告)号：US20160238994A1

公开(公告)日：2016-08-18

申请号：US15045159

申请日：2016-02-16

Applicant: Master Dynamic Limited

Inventor： Ho CHING ,  Pui Hang KO

IPC: G04B17/06 ,  C30B29/06 ,  C30B33/12

CPC classification number: C30B29/06 ,  C30B33/12 ,  G04B1/145 ,  G04B17/066 ,  G04B17/227

Abstract: A torque-restoring element for an oscillator for a mechanical timepiece and having an oscillator frequency, said torque restoring element comprising a spiral spring body having a number N turnings with an inner terminal end for engagement with a rotational inertial element via a collet, and an outer terminal for engagement with a stationary cock element, and having a width, a height and a total arc length; wherein the spiral spring body includes a core formed from mono-crystalline silicon wafer oriented along the crystallographic axis ; and wherein the spiral spring body includes at least one peripheral coating of a material having a thermal elastic constant different from that of the core of the spiral spring body so as to maintain the oscillator frequency an oscillator including the torque-restoring element substantially insensitive to variations of ambient temperature.

Abstract translation: 一种用于机械钟表振荡器并具有振荡器频率的扭矩恢复元件，所述扭矩恢复元件包括螺旋弹簧体，所述螺旋弹簧体具有N个端部，其具有用于通过夹头与旋转惯性元件接合的内部端子， 外部端子，用于与固定旋塞元件接合，并且具有宽度，高度和总弧度长度; 其中所述螺旋弹簧体包括由沿着所述结晶轴<110>取向的单晶硅晶片形成的芯; 并且其中所述螺旋弹簧体包括具有与所述螺旋弹簧体的芯的热弹性常数不同的热弹性常数的材料的至少一个外围涂层，以便保持所述振荡器频率，所述振荡器包括所述扭矩恢复元件对变化基本不敏感 的环境温度。

公开(公告)号：US20150101365A1

公开(公告)日：2015-04-16

申请号：US14286306

申请日：2014-05-23

Applicant: Master Dynamic Limited

Inventor： Koon Chung HUI ,  Wing Chi TANG ,  Ho CHING

IPC: G09F3/00 ,  G01J1/08 ,  G02B5/18 ,  G09F23/00 ,  A44C17/00

CPC classification number: G09F3/00 ,  A44C17/00 ,  B23K26/0006 ,  B23K26/355 ,  B23K2103/50 ,  B41M5/24 ,  G01J1/08 ,  G01N21/87 ,  G02B5/1842 ,  G02B5/1857 ,  G02B5/1861 ,  G09F23/00

Abstract: An identifiable mark on a portion of a polished facet of a surface of an article and being identifiable by an optical magnifying viewing device, said identifiable mark comprising a nano-structure formed by a two-dimensional or a three-dimensional lattice of a plurality of discrete nanometer sized recessed or protruded entities, wherein said entities are arranged within a predefined region of said polished facet in a predetermined arrangement in relation to each other and such that an outer interface surface between the facet of the article and air is formed and an inner interface surface between the facet of the article and air is formed. Said predetermined arrangement of said entities is non-uniform and non-periodic arrangement, and wherein said entities are sized and shaped so as to cause optical scattering upon reflection of incident light and the distance from the inner interface surface to the outer interface surface is greater than the amplitude of the non-marked portion of said polished face. Upon reflection of incident light having one or more predetermined wavelengths by said lattice at a predetermined angle of incidence to said lattice, interference due to scattering of light from said lattice is induced such that said reflected light has a variation in intensity providing one or more local maxima of one or more wavelengths. Said mark is identifiable by way of an optical magnifying viewing device inclined at a requisite viewing angle such that a local maxima is detected.

Abstract translation: 在物品表面的抛光小面的一部分上的可识别的标记并且可由光学放大观察装置识别，所述可识别标记包括由多个或多个的二维或三维网格形成的纳米结构 离散的纳米尺寸的凹入或突出的实体，其中所述实体以相对于彼此的预定布置布置在所述抛光小面的预定区域内，并且使得形成制品的小面与空气之间的外部界面表面， 形成制品的小面与空气之间的界面。 所述实体的所述预定布置是不均匀和非周期性布置，并且其中所述实体的尺寸和形状被设计成在入射光反射时引起光学散射，并且从内部界面表面到外部界面表面的距离更大 比所述抛光面的未标记部分的幅度大。 通过所述格子以预定的入射角对所述格子反射具有一个或多个预定波长的入射光，由于来自所述晶格的光的散射引起的干涉被引起，使得所述反射光具有提供一个或多个局部 一个或多个波长的最大值。 所述标记可通过以必要的视角倾斜的光学放大观察装置来识别，从而检测到局部最大值。

公开(公告)号：US20150029828A1

公开(公告)日：2015-01-29

申请号：US14444918

申请日：2014-07-28

Applicant: Master Dynamic Limited

Inventor： Ying Nan WANG ,  Ho CHING

IPC: G04B17/06

CPC classification number: G04B17/066 ,  G04B17/32 ,  G04B17/325 ,  G04D3/0041 ,  Y10T29/49579

Abstract: A method of producing unitary formed silicon balance spring having an overcoil portion for regulation of a mechanical timepiece, said method including the steps of providing a silicon balance spring having a main body portion, and an outer portion for formation as an overcoil portion, wherein the outer portion extends radially outward from an outermost turn of the main body portion, and wherein said main body portion and said outer portion are integrally formed from a silicon based material and are formed in a co-planar configuration; moving said outer portion in a direction relative to and out of the plane of said main body portion, and in a direction towards over said main body portion and towards the plane of the main body portion; and providing a stress relaxation process to the balance spring so as to relieve internal stresses induced within the balance spring from step (ii); wherein upon movement of said outer portion into the plane of said main body portion, the outer portion is located in an overcoil configuration relative to said main body portion.

Abstract translation: 一种制造具有用于调节机械钟表的上线圈部分的单一成形硅平衡弹簧的方法，所述方法包括以下步骤：提供具有主体部分的硅平衡弹簧和用于形成外壳线圈部分的外部部分，其中， 外部部分从主体部分的最外圈径向向外延伸，并且其中所述主体部分和所述外部部分由硅基材料一体地形成并且形成为共面构造; 在相对于所述主体部分的平面的方向上移动所述外部部分，并沿着朝向所述主体部分的方向朝向主体部分的平面移动; 以及向所述平衡弹簧提供应力松弛过程，以便缓解来自步骤（ii）的所述平衡弹簧内引起的内部应力; 其中，当所述外部部分移动到所述主体部分的平面中时，所述外部部分相对于所述主体部分位于线圈结构中。

公开(公告)号：US20140198627A1

公开(公告)日：2014-07-17

申请号：US14154055

申请日：2014-01-13

Applicant: Master Dynamic Limited

Inventor： Siu Kay CHU ,  Ho CHING ,  Pui Hang KO

IPC: G04B17/34

CPC classification number: G04B17/345

Abstract: A hairspring collet for a hairspring for interference engagement and an interference fit with the cylindrical outer surface of the staff of a balance wheel for a timepiece movement, said hairspring collet portion comprising a plurality of circumferentially extending elastically deformable interconnected arm portions, the arm portions forming an annulus having a central axis and providing an aperture therebetween, wherein each arm portion including a curved concave engagement portion for engagement with the outer surface of a staff of a balance wheel, wherein each engagement portion has substantially the same radius of curvature as each other and are equally spaced from said central axis at a first distance and wherein said first distance is less than the radius of the staff of the balance wheel; said engagement portions have a radius of curvature such that upon deformation of the arm portions and engagement with the outer surface of said staff the engagement portions substantially conform with the outer surface of said staff and an interference fit is formed therebetween, wherein stress induced from said interference fit is transferred and distributed from along the engagement portions to the arm portions adjacent the engagement portions and distributed therein; and wherein the interference fit of the engagement portions with the staff substantially prevents relative movement between the hairspring collet and the staff of the balance wheel upon application of load from a hairspring in use in a timepiece movement.

Abstract translation: 一种用于干扰接合的游丝的游丝夹头和与用于钟表运动的摆轮的工作人员的圆柱形外表面的过盈配合，所述游丝夹头部分包括多个周向延伸的可弹性变形的互连臂部分，所述臂部分形成 具有中心轴线并在其间提供孔的环形空间，其中每个臂部分包括用于与摆轮的工作人员的外表面接合的弯曲凹形接合部分，其中每个接合部分具有彼此基本相同的曲率半径 并且在第一距离处与所述中心轴线等距间隔，并且其中所述第一距离小于所述摆轮的所述人员的半径; 所述接合部分具有曲率半径，使得当所述臂部分变形并且与所述人员的外表面接合时，所述接合部分基本上与所述人员的外表面一致，并且在其间形成过盈配合，其中由所述 过盈配合从接合部分转移并分配到邻近接合部分的臂部分并分布在其中; 并且其中，当在手表运动中施加来自使用中的游丝的负载时，接合部分与工作人员的过盈配合基本上防止了游丝夹头和摆轮的工作人员之间的相对运动。

公开(公告)号：US20140356577A1

公开(公告)日：2014-12-04

申请号：US14290369

申请日：2014-05-29

Applicant: Master Dynamic Limited

Inventor： Koon Chung HUI ,  Ho CHING ,  Ching Tom KONG

IPC: B01J19/08

CPC classification number: B01J19/081 ,  B41M3/14 ,  C30B29/04 ,  C30B29/16 ,  C30B29/20 ,  C30B29/34 ,  C30B33/04 ,  H01J37/00 ,  H01J37/3178 ,  Y10T428/24355

Abstract: A method of forming one or more protrusions on an outer surface of a polished face of a solid state material, said method including the step of applying focused inert gas ion beam local irradiation towards an outer surface of a polished facet of a solid state material in a way of protruding top surface material; wherein irradiated focused inert gas ions from said focused inert gas ion bean penetrate the outer surface of said polished facet of said solid state material; and wherein irradiated focused inert gas ions cause expansive strain within the solid state crystal lattice of the solid state material below said outer surface at a pressure so as to induce expansion of solid state crystal lattice, and form a protrusion on the outer surface of the polished face of said solid state material.

Abstract translation: 一种在固体材料的抛光面的外表面上形成一个或多个突起的方法，所述方法包括以下步骤：将聚焦的惰性气体离子束局部照射施加到固态材料的抛光小面的外表面上 突出表面材料的方式; 其中来自所述聚焦的惰性气体离子束的照射聚焦的惰性气体离子穿透所述固态材料的所述抛光面的外表面; 并且其中照射聚焦的惰性气体离子在压力下在所述外表面下方的固态材料的固态晶格内引起膨胀应变，以引起固态晶格的膨胀，并在抛光的外表面上形成突起 所述固态材料的表面。

公开(公告)号：US20140022873A1

公开(公告)日：2014-01-23

申请号：US13944554

申请日：2013-07-17

Applicant: Master Dynamic Limited

Inventor： Ho CHING

IPC: G04B17/06

CPC classification number: G04B17/066 ,  G04B17/06 ,  Y10T29/49581

Abstract: A method of increasing concentricity in use of a spiral hairspring mechanical timepiece; the hairspring having an inner terminal end portion for engagement with a collet, an outer terminal end portion for engagement with a stud, a first limb portion extending from the inner terminal end portion towards the outer terminal end portion, and a stiffening portion positioned at the outer turn of the hairspring and having a cross-sectional second moment of area different to that of the first limb portion such that bending stiffness of the stiffening portion has a greater bending stiffness than the single limb portion. The method includes modifying cross-sectional second moments of an area of the first limb portion and the stiffening portion by minimizing a cost function throughout the amplitude of the rotation of hairspring in use, the cost function being correlated to the net concentricity of the hairspring.

Abstract translation: 使用螺旋游丝机械钟表增加同心度的方法; 所述游丝具有用于与夹头接合的内部终端部，用于与柱头接合的外部终端部，从所述内部终端部朝向所述外部末端部延伸的第一肢体部，以及位于所述内侧终端部的加强部 游丝的外转，并且具有不同于第一肢体部分的横截面的第二力矩，使得加强部分的弯曲刚度比单个肢体部分具有更大的弯曲刚度。 该方法包括通过在使用中游丝的旋转的整个幅度中最小化成本函数来修改第一肢体部分和加强部分的区域的横截面的二次矩，成本函数与游丝的净同心度相关。