KR101039144B1 - The appatatus grinding to big size optics lens from incoming data - Google Patents

The appatatus grinding to big size optics lens from incoming data Download PDF

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Publication number
KR101039144B1
KR101039144B1 KR1020080125219A KR20080125219A KR101039144B1 KR 101039144 B1 KR101039144 B1 KR 101039144B1 KR 1020080125219 A KR1020080125219 A KR 1020080125219A KR 20080125219 A KR20080125219 A KR 20080125219A KR 101039144 B1 KR101039144 B1 KR 101039144B1
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KR
South Korea
Prior art keywords
polishing
tool
rotating
turntable
tool moving
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KR1020080125219A
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Korean (ko)
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KR20100066756A (en
Inventor
양호순
이윤우
이재협
전병혁
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한국표준과학연구원
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Priority to KR1020080125219A priority Critical patent/KR101039144B1/en
Publication of KR20100066756A publication Critical patent/KR20100066756A/en
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Publication of KR101039144B1 publication Critical patent/KR101039144B1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B13/00Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor
    • B24B13/06Machines or devices designed for grinding or polishing optical surfaces on lenses or surfaces of similar shape on other work; Accessories therefor grinding of lenses, the tool or work being controlled by information-carrying means, e.g. patterns, punched tapes, magnetic tapes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies

Abstract

The present invention relates to an apparatus for polishing a polishing object with a large-diameter optical lens based on input data.
The polishing apparatus of the present invention, the base frame is installed various components; Rotatable turntable is fixed to the polishing object is installed on the base frame; A turntable rotating means installed at a lower portion of the turntable to rotate the turntable; A tool moving body coupled at one end to a rotation shaft installed at one upper frame of the base frame and connected to the other upper frame of the base frame and rotatable in a horizontal direction about the rotation axis; Tool moving body rotating means for the other end of the tool moving body is moved in the longitudinal direction of the one upper frame so that the tool moving body is rotated about the rotation axis; A tool mounting body mounted to a lower portion of the tool moving body; Tool moving means for controlling the movement of the tool mounting body in the longitudinal direction of the tool moving body; A central processing unit for operating the turntable rotating means, the tool moving body rotating means, and the tool moving means based on the input data; And a data input device for inputting data relating to the operation of the turntable rotating means, the tool moving body rotation means, and the tool moving means to the central processing unit.
Optical lens, lens, processing, polishing, stockpile

Description

A device for polishing with a large-diameter optical lens based on input data {THE APPATATUS GRINDING TO BIG SIZE OPTICS LENS FROM INCOMING DATA}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for producing optical lenses, and more particularly, to an apparatus for polishing a first-cut abrasive object with a large-diameter optical lens to obtain a large-diameter optical lens that cannot be produced by an injection molding method or the like.

Optical lenses are widely used in cell phones, microscopes, astronomical telescopes, and satellites. They vary in size and function.

In addition, it is manufactured from various materials according to the use and function from plastic material to glass or special optical material.

In the case of plastic lenses used in mobile phones, the small size and high precision are not required, so mass production is possible through injection molding.

However, large diameter optical lenses used for astronomical telescopes and satellites are produced through cutting and polishing because mass production is impossible due to their size and precision.

That is, a large diameter optical lens was obtained by manually cutting a cutting object into an optical lens shape through a CNC machine tool, and then manually grinding to obtain high precision.

However, large diameter optical lenses used for astronomical telescopes and satellites are difficult to handle because they are mostly heavy and fragile materials.

The reason why polishing with a large-diameter optical lens is difficult is that the parabolic surface is so large that it is difficult to secure overall uniformity.

Another difficulty in producing large-diameter optical lenses through polishing has arisen in the measurement of polishing conditions.

In other words, because polishing is performed manually, it is necessary to stop polishing and check the polishing state after a certain amount of polishing. The measurement work is not only an easy task but also requires a long time to handle heavy and large polishing objects carefully. It was not very good workability because it requires several measurements until completion.

On the other hand, there has been a great difficulty in the production of large-diameter optical lenses having a non-focal surface.

The parabolic surface serves to make the light coming from the focal point into a completely parallel beam as shown in FIG. 1.

This parallel beam is a phenomenon that occurs when the light source is far away, like starlight. When the parallel beam is viewed in full view, the parallel beam is obtained.

Therefore, the paraboloid serves to generate starlight when evaluating the full circle on the ground.

However, in order to make a parallel beam, the light source must be located on the parabolic axis, so the light passing back near the light source among the parallel beams coming out of the parabolic surface is blocked by the light source and cannot be used.

To avoid this, a part of the parabolic surface is used as shown in FIG. 2, and a part of the parabolic surface used in this way is called a non-parabolic surface.

2 shows the non-parabolic paraboloid in the entire parabolic plane of the optical lens.

In order to produce an optical lens having such a non-arranged parabolic surface, conventionally, a method of securing a large object to be polished to polish a larger parabolic surface and then cutting out a necessary portion thereof.

 However, the method as described above has a problem that the larger the size of the stockpile surface, the larger the object to be polished, the higher the material cost and the polishing cost as well as the limitation in its operation.

The present invention aims to solve the above problems, and more particularly, to provide a large-diameter optical lens polishing apparatus capable of precisely polishing a polishing object with a large-diameter optical lens having a large diameter, and greatly reducing the number of times of measurement of the polishing state. There is this.

Another object of the present invention is to provide an optical lens polishing apparatus capable of repeatedly producing not only spherical optical lenses but also aspherical optical lenses having non-parallel objects.

In the present invention, the turntable on which the polishing object is placed is rotated, and the polishing tool is movable up, down, left, and right while maintaining the state of contact with the polishing object at a constant pressure, but the right side is rotated and the left side is upper surface of the turntable. The tool to be moved in the downward direction and in a moving manner along the body so that the polishing tool can be rotated smoothly while drawing the circumference.

In addition, a central processing unit for automatically controlling the rotation of the turntable, the rotation of the polishing tool, and the movement of the polishing tool based on the input data, and having a data input device capable of inputting data into the central processing unit, Inputting data for polishing with a large-diameter optical lens of a desired shape automatically grinds the object to be polished.

That is, the rotation of the turntable, the rotation of the polishing tool, and the movement of the polishing tool are automatically controlled according to the data input to the central processing unit, so that the polishing object can be precisely polished with a large diameter optical lens and the polishing state can be frequently measured. It is not necessary.

The optical lens polishing apparatus of the present invention has a space that can be processed while being rotated while the polishing object to be polished by the optical lens is settled, and has a base frame on which various components are installed.

In addition, it has a turntable rotatably installed in a base frame that forms a frame so that the object to be polished can be rotated for polishing in a fixed state.

Moreover, it has a table rotating means which rotates the said turntable using a motor.

In addition, one end is coupled to the rotary shaft installed in one upper frame of the base frame and is connected to the other upper frame of the base frame to have a tool moving body rotatable in the horizontal direction about the rotation axis.

In addition, it is installed on the other upper frame of the base frame has a tool moving body rotating means for moving the other end of the tool moving body in the longitudinal direction of one of the upper frame to rotate the tool moving body about the axis of rotation.

Moreover, it has a tool mounting body attached to the lower part of a tool moving body.

Moreover, it has a tool moving means for controlling the movement of a tool mounting body in the longitudinal direction of a tool moving body.

The apparatus further includes a central processing unit for operating the table rotating means, the tool moving body rotating means, and the tool moving means based on the input data.

The apparatus further includes a data input device configured to input data relating to the operation of the table rotating means, the tool moving body rotating means, and the tool moving means to the central processing unit.

In the optical lens polishing apparatus of the present invention, the polishing tool is moved up, down, left, and right in a state in which the polishing tool is in contact with the polishing object, while the right side rotates and the left side moves along the upper and lower tool moving bodies. It is moved in a moving manner and equipped with a central processing unit that automatically controls the rotation of the turntable, the rotation of the polishing tool, and the movement of the polishing tool based on the input data. The object is automatically polished and polished with a precision optical lens.

That is, the rotation of the turntable, the rotation of the polishing tool, and the movement of the polishing tool are automatically controlled based on the data input to the central processing unit, thereby precisely polishing the object to be polished by a large diameter optical lens with a large diameter. Since the grinding is automatic, the polishing state does not need to be measured frequently.

Hereinafter, the technical spirit of the present invention will be described in more detail with reference to the accompanying drawings.

It is to be understood, however, that the appended drawings illustrate only typical embodiments of the present invention and are not to be considered as limiting the scope of the invention.

The present invention relates to an apparatus for polishing a polishing object 1 processed into an optical lens shape by a CNC machine tool or the like with a precise large-diameter optical lens.

Therefore, the polishing apparatus of the present invention also secures a space that can be processed while being rotated while the polishing object to be polished by the optical lens is placed, and has a base frame 10 on which various components are installed.

In addition, the polishing object 1 has a turntable 20 in which it is placed and fixed, and the turntable 20 is installed in the base frame 10.

Moreover, it has the table rotating means 60 which rotates the said turntable 20 using a motor.

In addition, the present invention also has a tool mounting body 30 in which the polishing tool 2 for polishing the polishing object 1 located on the turntable 20 for polishing with an optical lens can be separated and combined.

However, the present invention has an object to solve the problems caused when polishing a large diameter optical lens with a conventional optical lens polishing apparatus.

That is, in the related art, since a large diameter optical lens is manually polished, it is very difficult to polish a large diameter optical lens, and there is a problem that frequent measurement of the polishing state is required.

In order to solve such a problem, in the present invention, when data for cutting or polishing is input to the central processing unit, as in a typical CNC machine that performs cutting and polishing operations, the polishing tool 2 is based on the input data. By automatically moving, the polishing object 1 can be precisely polished with a large-diameter optical lens.

Accordingly, the optical lens polishing apparatus of the present invention has a central processing unit 40 that controls various components to operate based on input data as in a conventional CNC machine tool.

It also has a data input device 50 which can input data relating to the movement of various components for polishing to a desired optical lens to the central processing unit 40.

The CPU 40 corresponds to a CPU of the computer, and the data input device 50 corresponds to a keyboard, and when applied to a CNC machine tool, it may be modified and applied in various forms.

When applied to the present invention can also be applied in the same form as applied to CNC machine tools.

Since the CPU 40 and the data input device 50 are well known, detailed description thereof will be omitted in describing the present invention.

However, since the present invention is for polishing the polishing object 1 with a large-diameter optical lens, it is difficult to apply a structure of a machine tool already known.

That is, through the known structure of the CNC machine tool (structure for rotation and movement of the cutting tool for cutting) has been a lot of difficulties in polishing with a large diameter optical lens.

Moreover, even with the structure of the apparatus used to produce large-diameter optical lens by manual operation, it has been difficult to grind with precise optical lens.

The inventors of the present application have been able to precisely polish the polishing object 1 with a large-diameter optical lens after long research and effort, and have devised a structure of a polishing apparatus as shown in FIGS. 3 and 4 suitable for an automated system.

That is, while the polishing tool 2 is in contact with the polishing object 1 at a constant pressure, the surface of the polishing object 1 is moved up, down, left, and right to be polished, and the movement for polishing is performed by polishing the optical lens. It is to be suitable for.

Specifically, in the polishing apparatus of FIGS. 3 and 4, the turntable 20 is installed on the base frame 10 so as to be rotatable.

Moreover, the table rotating means 60 which rotates the turntable 20 using a motor etc. is provided.

In addition, one end is coupled to the rotary shaft 14 installed on one side upper frame 11 of the base frame 10, and is connected to the other upper frame 12 of the base frame 10 to the rotation axis 14 to the center It has a tool moving body 70 which can rotate in a horizontal direction.

In addition, the other end of the tool moving body 70 is installed on the other upper frame 12 of the base frame 10 is moved in the longitudinal direction of the one upper frame 11 to rotate the tool moving body 70 The tool moving body has a rotation means (80).

In other words, the tool moving body has a tool moving body rotating means 80 such that the tool moving body is rotated in the horizontal direction about the rotating shaft 14.

Moreover, it has the tool mounting body 30 attached to the lower part of the tool moving body 70. As shown in FIG.

In the drawing, the tool mounting body 30 may correspond to a specific point of the polishing object 1, but the pressure holding means 31 is further provided so that the combined polishing tool 2 is the pressure holding means 31. Is moved to a state in which it is pressurized to the polishing object 1 at a constant pressure, thereby polishing the polishing object 1 (this is to enable precise polishing).

In addition, the tool mounting body 30 has a tool moving means 90 that allows the tool mounting body 30 to selectively move in the longitudinal direction of the tool moving body 70 by using a speed reducer or the like.

The central processing unit 40 also controls the operation of the table rotating means 60, the tool moving body rotating means 80, and the tool moving means 90 based on the input data.

In addition, the data input device 50 is capable of inputting data for the operation of the table rotating means 60, the tool moving body rotating means 80, and the tool moving means 90 to the central processing unit 40. .

That is, the polishing tool 2 has a structure capable of smooth and precise movement in the up, down, left and right movements on the polishing object 1 for polishing by the optical lens.

In addition, when the turntable 20 is rotated and the polishing tool 2 is moved along the tool moving body 70, polishing is performed with an optical lens having a spherical parabolic surface.

In addition, when polishing is completed, it is necessary to measure the polishing state, which means that the polishing tool 2 or the means for moving the polishing tool 2 is not a problem in measuring the polishing state.

The table rotating means 60 is to rotate the turntable 20 by receiving the rotational force of the motor, the table rotating means 60 is a widely used in various machine tools, so a detailed description thereof will be omitted.

Tool moving body rotation means 80 of the components of the present invention can be implemented in various forms.

As a specific example, as shown in FIGS. 3 and 4, when the rotating shaft having the spiral protrusion is rotated by the reducer, the left side (the other end) of the tool moving body 70 connected to the rotating shaft is the upper surface of the turntable 20. Forward and backward in the downward and downward directions, whereby the right side of the tool moving body 70 (one end-the direction coupled to the rotating shaft 14) rotates in the upper and lower surfaces of the turntable 20 (rotating shaft 14). Can be rotated about).

Rotating shafts formed with spiral projections may have triangular or square threaded projections, such as bolts, or semi-circular spiral projections, such as those commonly used under the name of 'ballscrews' (not shown).

As described above, the structure for moving the object by using the rotating shaft having the spiral protrusion is widely used in various industrial fields as well as various machine tools, and thus a detailed description thereof will be omitted.

Tool moving body rotating means 80 can be implemented in a manner used for various machine tools in addition to the above-described structure.

The structure for separating and joining the polishing tool 2 from the tool mounting body 30 which is a component of the present invention may be implemented in a conventional form provided in various machine tools and a form provided in a conventional optical lens polishing apparatus. have.

In addition, the pressure holding means 31 for the combined polishing tool 2 to be pressed to the polishing object 1 at a constant pressure may be implemented in a form using a spring as shown in FIG. 5.

In the pressure holding means 31 of FIG. 5, the separation tool body 32 to which the polishing object 1 is coupled receives a force by the elastic force of the spring 33 so that the polishing tool 2 is applied to the polishing object 1. It is implemented in the form of contact at a constant pressure.

The pressure holding means 31 may be implemented in the form of a pressure holding device used for various advanced equipment.

That is, it may be implemented in the form having a sensor, various pressure generators and pressure regulators.

Tool moving means (90) which is a component of the present invention can be implemented in various forms.

Like the tool moving body rotating means 80 described above, it can be implemented in the form having a rotating shaft formed with a spiral projection. (Not shown)

That is, the rotating shaft is installed along the tool moving body 70, and when the rotating shaft is rotated by the operation of the reducer, the tool mounting body 30 connected to the rotating shaft is moved along the rotating shaft.

The tool moving means 90 can also be implemented in various forms used in various machine tools in addition to the above structure.

In the structure of the apparatus as described above, it is necessary to measure the polishing state when the polishing operation to the optical lens is considerably progressed or completed. In this case, the polishing state can be measured by a method using optical interference.

In order to make this measurement work smooth, the polishing tool 2 or the means for the movement of the polishing tool 2 should not interfere with the measurement.

This is because the polishing object 1 for polishing with a large-diameter optical lens is heavy and brittle, and it is unreasonable to move the polishing object 1 from the turntable 20.

In the present invention having the above structure, the left side of the tool moving body 70 may be moved so that components such as the tool moving body 70 and the tool mounting body 30 are not positioned above the polishing object 1. have.

Therefore, even when the object to be polished 1 is fixed on the turntable 20 for polishing, the polishing operation can be smoothly performed.

However, in order to measure the polishing state by the method using the optical interference, it is desirable to implement a variety of measuring equipment so that such measuring equipment can be installed quickly and simply.

To this end, in the polishing apparatus of the present invention, the turntable 20 is rotatably embodied so that it can stand up for measurement while lying down for polishing, and the turntable 20 is laid down for polishing or set up for measurement of the polishing state. Table upright means 100 for rotating the turntable 20 may be further provided.

That is, the turntable 20 is to be rotated about the horizontal axis 13 by the table upright means 100 to stand.

The table standing means 100 can be implemented in various forms.

Specifically, it can be implemented in a form having a cylinder that operates by pneumatic or hydraulic pressure.

That is, the turntable 20 is erected when the cylinder shaft moves forward, and the turntable 20 is laid down when the cylinder shaft moves backward. (Not shown)

In addition, as shown in FIG. 4, the turntable 20 may be erected or laid down as the rotary shaft of the reducer 101 is connected to the reducer 101.

In the above-described structure of the present invention, if the polishing tool 2 to be mounted can be rotated, the polishing object 1 may be polished with an aspherical optical lens having a non-stock object surface.

That is, in the above-described structure, when the polishing tool 2 only moves along the tool moving body 70 without being rotated, and the turntable 20 is rotated at high speed, polishing is performed by using an optical lens having a spherical parabolic surface. It is possible.

In this case, there is a disadvantage in that it is not possible to produce an aspherical optical lens having a non-parallel plane.

However, in the above-described structure of the present invention, when the polishing tool 2 is rotated and then the polishing object 1 is rotated while the polishing object 1 is not rotated, the polishing tool 2 is rotated in the tool moving body. If it moves along 70, it can be grind | polished with the aspherical optical lens which has a stockpile surface.

To this end, the tool mounting body 30 of the present invention is implemented to be rotatable, and by rotating the tool mounting body 30 using a motor, the tool rotating means 110 for rotating the mounted polishing tool 2 further. It can be provided.

Of course, the central processing unit 40 allows the rotation of the polishing tool 2 through the tool rotating means 110 based on the input data.

In the present invention, the data input to the central processing unit is stored even when the polishing is finished so that when the polishing object of the same type is repeatedly polished, the stored data can be loaded and used without having to re-enter the data one by one. It is desirable to.

In the apparatus of the present invention, when the retention time for which the polishing tool 2 stays at a specific point of the polishing object 1 is long, the corresponding part is polished a lot, and when the retention time is short, the corresponding part is polished less.

Therefore, when polishing by the input data fails to obtain a large-diameter optical lens, that is, when there is a lack of polishing, the polishing tool 2 is repositioned at that portion so that only polishing at that portion is achieved. It may be.

1 is a schematic diagram for explaining the operation of the parabolic surface to make the light from the light source into a fully parallel beam

2 is a schematic diagram for explaining a non-stocked object surface

Figure 3 is a plan view for explaining the polishing apparatus of the present invention

A: The tool moving body is moved to the point corresponding to the upper left side of the polishing object

B: Tool moving body is moved to the point corresponding to the lower right side of the object to be polished

Figure 4 is a perspective view for explaining the polishing apparatus of the present invention, the turntable is maintained in a horizontal state

5 is a perspective view for explaining the polishing apparatus of the present invention in a state where the turntable is upright;

Figure 6 is a schematic diagram for explaining the pressure holding means and the like components of the present invention

<Explanation of symbols for main parts of drawing>

1. Polishing object 2. Polishing tool

10. Base Frame 11. One Side Upper Frame

12. Other upper frame 13. Horizontal axis

14. Rotating shaft 20. Turntable

30. Tool mounting body 31. Pressure holding means

32. Separate Body 33. Spring

40. Central processing unit 50. Data input equipment

60. Table rotating means 70. Tool moving body

80. Tool moving body rotation means 90. Tool moving means

100. Table uprights 101. Reducers

110. Tool rotation means

Claims (7)

  1. In the apparatus for polishing a polishing object with an optical lens,
    A base frame 10 on which various components for processing the polishing object 1 to be polished by the optical lens are installed;
    A rotatable turntable 20 in which the polishing object 1 is fixed and installed in the base frame 10;
    A turntable rotating means (60) rotated by a motor and installed under the turntable (20) to rotate the turntable (20);
    One end is coupled to the rotary shaft 14 installed on one side upper frame 11 of the base frame 10 and is connected to the other upper frame 12 of the base frame 10 to be horizontally around the rotation shaft 14. A tool moving body 70 rotatable in the direction;
    It is installed on the other upper frame 12 of the base frame 10 and the other end of the tool moving body 70 is moved in the longitudinal direction of the one upper frame 11, the tool moving body 70 is a rotating shaft 14 A tool moving body rotating means (80) to rotate about the center;
    A tool mounting body 30 mounted below the tool moving body 70; And
    Tool moving means (90) for controlling the movement of the tool mounting body (30) in the longitudinal direction of the tool moving body (70);
    A central processing unit (40) for operating the turntable rotating means (60), the tool moving body rotating means (80), and the tool moving means (90) based on the input data; And
    And a data input device 50 in which data relating to the operation of the turntable rotating means 60, the tool tool moving body rotating means 80, and the tool moving means 90 are input to the central processing unit 40. A device for polishing with a large-diameter optical lens based on input data.
  2. The method of claim 1,
    Tool rotating means 110 for rotating the mounting tool 30 by rotating the tool mounting body 30 by using a motor; is further provided,
    The central processing unit 40 is controlled to rotate the polishing tool 2 through the tool rotating means 110 based on the input data, the polishing with a large diameter optical lens based on the input data Device.
  3. The method of claim 1,
    Apparatus for polishing with a large-diameter optical lens based on the input data, characterized in that the pressure holding means 31 is further provided so that the combined polishing tool 2 is moved while pressing the polishing object 1 at a constant pressure. .
  4. The method according to any one of claims 1 to 3,
    And a table upright means (100) for rotating said turntable (20) about a horizontal axis (13). The apparatus for polishing with a large-diameter optical lens based on input data.
  5. The method of claim 3,
    The pressure holding means (31) is a device for polishing with a large-diameter optical lens based on the input data, characterized in that by the elastic force of the spring (33).
  6. The method of claim 4, wherein
    The tool moving body rotating means 80, when the rotating shaft formed with a spiral protrusion is rotated by the reducer, the left side of the tool moving body 70 connected to the rotating shaft is moved forward and backward in the upper and lower surfaces of the turntable 20. And, due to this, the right side of the tool moving body (70) is rotated in the upper and lower directions of the surface of the turntable (20). The apparatus for polishing with a large-diameter optical lens based on input data.
  7. The method of claim 4, wherein
    The tool moving means (90) is to grind with a large-diameter optical lens based on the input data, characterized in that the tool mounting body 30 is connected to the rotating shaft is formed when the rotating shaft is formed by the reduction gear is rotated by the reducer Device.
KR1020080125219A 2008-12-10 2008-12-10 The appatatus grinding to big size optics lens from incoming data KR101039144B1 (en)

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KR1020080125219A KR101039144B1 (en) 2008-12-10 2008-12-10 The appatatus grinding to big size optics lens from incoming data
PCT/KR2009/007384 WO2010068046A2 (en) 2008-12-10 2009-12-10 Apparatus for polishing large-diameter optical lens based on inputted data

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Cited By (2)

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KR101124242B1 (en) * 2009-11-13 2012-03-27 한국표준과학연구원 The gringing apparatus for optics lens having measurement tower
KR20180098434A (en) 2017-02-24 2018-09-04 한국표준과학연구원 Polishing tool apparatus for computer controlled optical surfacing

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KR101969637B1 (en) * 2017-03-20 2019-08-14 한국표준과학연구원 Apparatus and Method for Automatic Injection of Polishing Composition for Large Area Mirror System

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JP2003011060A (en) 2001-06-28 2003-01-15 Canon Inc Polishing liquid supply device and method therefor
JP2005169520A (en) 2003-12-08 2005-06-30 Seiko Epson Corp Polishing device and polishing tool
JP2007245273A (en) 2006-03-15 2007-09-27 Topcon Corp Polishing method using twisted thread cylindrical tool, polishing tool for performing its polishing method, and polishing device equipped with its polishing tool

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Publication number Priority date Publication date Assignee Title
JPH04283070A (en) * 1991-03-11 1992-10-08 Matsushita Electric Ind Co Ltd Polishing spindle
JP2003011060A (en) 2001-06-28 2003-01-15 Canon Inc Polishing liquid supply device and method therefor
JP2005169520A (en) 2003-12-08 2005-06-30 Seiko Epson Corp Polishing device and polishing tool
JP2007245273A (en) 2006-03-15 2007-09-27 Topcon Corp Polishing method using twisted thread cylindrical tool, polishing tool for performing its polishing method, and polishing device equipped with its polishing tool

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101124242B1 (en) * 2009-11-13 2012-03-27 한국표준과학연구원 The gringing apparatus for optics lens having measurement tower
KR20180098434A (en) 2017-02-24 2018-09-04 한국표준과학연구원 Polishing tool apparatus for computer controlled optical surfacing

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KR20100066756A (en) 2010-06-18
WO2010068046A2 (en) 2010-06-17
WO2010068046A3 (en) 2010-09-10

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