TWI755856B - Polishing device for glass substrate - Google Patents

Polishing device for glass substrate Download PDF

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TWI755856B
TWI755856B TW109131708A TW109131708A TWI755856B TW I755856 B TWI755856 B TW I755856B TW 109131708 A TW109131708 A TW 109131708A TW 109131708 A TW109131708 A TW 109131708A TW I755856 B TWI755856 B TW I755856B
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polishing
glass substrate
polishing device
edge
rotating shaft
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TW109131708A
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TW202212049A (en
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王慶芳
劉育維
曾偉倫
廖冠華
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晨豐光電股份有限公司
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Abstract

A polishing device for glass substrate includes a rotation axle and a plurality of polishing members. The rotation axle defines a central axis. Each polishing member is elastic and resilient. The polishing members are mounted on the periphery of the rotation axle and arranged along the direction of the central axis. An angle is included by each polishing member and an imaginary line which is orthogonal to the central axis, and the angle is less than 90 degrees. With such configuration, the polishing members are applied for carrying out the polishing operation on the edge of the glass substrate at such angle, thereby forming a 2.5D shape of the glass substrate.

Description

玻璃基板之拋光裝置Glass substrate polishing device

本發明係有關於一種拋光裝置，特別是指一種玻璃基板之拋光裝置。 The present invention relates to a polishing device, in particular to a polishing device for glass substrates.

按，玻璃基板的運用範圍相當的廣泛，例如用於可攜式電子裝置或是車載電子顯示裝置上，也可被用於作為顯示屏的玻璃保護貼。 According to this, glass substrates are widely used, for example, they are used in portable electronic devices or in-vehicle electronic display devices, and can also be used as glass protectors for display screens.

而一般玻璃基板於成型後，仍需要對玻璃基板的邊緣進行拋光處理，以避免邊緣過於粗糙，防止人員接觸時導致受傷。所述的邊緣係指連接於兩個側平面之間的端部。除以之外，觸控螢幕玻璃一般也會藉由邊緣拋光的工藝，極大提升了手機的外形美觀程度以及提升了使用者在使用螢幕觸屏操作時的體驗，使得手機螢幕和機身整體的視覺效果有明顯的提升作用，此類型玻璃能夠使得手機表面外觀就如同盈而不溢的水滴，更具視覺張力。有種螢幕浮在手機機身上的感覺。再者，邊緣弧面造型設計螢幕玻璃的更加符合人體工程學原理，消除了邊緣生硬的棱角，大幅度提升了滑動螢幕的手感。 In general, after the glass substrate is formed, the edge of the glass substrate still needs to be polished to prevent the edge from being too rough and prevent personnel from being injured when touching. Said edge refers to the end connected between the two side planes. In addition to the above, the touch screen glass is generally polished by the edge, which greatly improves the appearance of the mobile phone and improves the user's experience when using the touch screen operation. The visual effect is obviously improved. This type of glass can make the surface of the mobile phone look like water droplets that are full but not overflowing, with more visual tension. There is a feeling that the screen is floating on the body of the phone. Furthermore, the curved edge design of the screen glass is more ergonomic, eliminating the hard edges and corners and greatly improving the feel of the sliding screen.

現行的玻璃基板的邊緣拋光方式，仍是以單一片玻璃基板進行處理，使得作業的效率不高，相當的耗時，加工成本亦無法降低。 The current edge polishing method for glass substrates still uses a single glass substrate for processing, which makes the operation inefficient, takes considerable time, and cannot reduce the processing cost.

後來有業者研發出如台灣專利第M437229號的玻璃邊緣拋光裝 置，其揭示拋光裝置能一次對複數玻璃片進行拋光加工，惟所述的專利僅能針對玻璃的側邊(面)進行拋光研磨(即僅能2D拋光研磨處理)，而無法實現對兩個側平面之間的邊緣(端部)進行拋光研磨，即無法實現2.5D的拋光研磨處理。 Later, some industry developed a glass edge polishing device such as Taiwan Patent No. M437229. It discloses that the polishing device can polish multiple glass sheets at one time, but the patent can only polish and grind the side edges (surfaces) of the glass (that is, only 2D polishing and grinding), and cannot realize the polishing of two glass sheets. The edges (ends) between the side planes are polished and ground, that is, the 2.5D polishing and grinding process cannot be achieved.

為解決上述課題，本發明揭露一種玻璃基板之拋光裝置，其利用斜向設置的拋光元件對玻璃基板之邊緣進行拋光研磨，而能使邊緣被拋光而成成預定的圓弧端角狀，以實現玻璃基板具有2.5D的形狀。 In order to solve the above problems, the present invention discloses a polishing device for glass substrates, which utilizes obliquely arranged polishing elements to polish and grind the edges of the glass substrates, so that the edges can be polished into a predetermined arc-shaped end angle, so that the Realize that the glass substrate has a 2.5D shape.

為達上述目的，本發明一項實施例中提供一種玻璃基板之拋光裝置，其包括一轉軸及複數個拋光元件。轉軸具有一軸心線，所述的拋光元件具有軟性及撓性而環繞設置於轉軸的周緣，且沿著軸心線方向延伸分布，每一個拋光元件與一正交於軸心線的假想線具有一夾角，夾角小於90度。 To achieve the above object, an embodiment of the present invention provides a glass substrate polishing apparatus, which includes a rotating shaft and a plurality of polishing elements. The rotating shaft has an axis line, the polishing elements have softness and flexibility and are arranged around the periphery of the rotating shaft and extend and distribute along the axis line direction. Each polishing element is associated with an imaginary line orthogonal to the axis line. Has an included angle, and the included angle is less than 90 degrees.

於本發明另一項實施例中，夾角介於5度至70度之間。 In another embodiment of the present invention, the included angle is between 5 degrees and 70 degrees.

於本發明另一項實施例中，所述拋光元件以羊毛材質製成。 In another embodiment of the present invention, the polishing element is made of wool.

於本發明另一項實施例中，每一個拋光元件具有一固定端及一末端，轉軸具有複數個斜孔，以供每一個拋光元件的固定端插設固定每一個斜孔，且每兩個拋光元件的固定端間具有一間隙，間隙介於1mm至3mm之間。 In another embodiment of the present invention, each polishing element has a fixed end and an end, and the rotating shaft has a plurality of inclined holes for the fixed end of each polishing element to be inserted into each inclined hole, and every two There is a gap between the fixed ends of the polishing element, and the gap is between 1mm and 3mm.

於本發明另一項實施例中，於本發明另一項實施例中，玻璃基板為複數個，拋光裝置具有一固定裝置以夾設定位所述玻璃基板，所述玻璃基板呈等間隔設置。 In another embodiment of the present invention, in another embodiment of the present invention, there are a plurality of glass substrates, the polishing device has a fixing device to clamp and position the glass substrates, and the glass substrates are arranged at equal intervals.

於本發明另一項實施例中，固定裝置包括一第一固定部、一第二固定部以及複數個間隔件設於每兩個玻璃基板之間，第一固定部與第二固定部將所述玻璃基板夾設定位。 In another embodiment of the present invention, the fixing device includes a first fixing part, a second fixing part and a plurality of spacers disposed between each two glass substrates, the first fixing part and the second fixing part The glass substrate holder is set in position.

於本發明另一項實施例中，其中，每一個間隔件的厚度介於0.01mm至5mm之間。 In another embodiment of the present invention, the thickness of each spacer is between 0.01 mm and 5 mm.

藉此，本發明的每一個拋光元件呈斜向設置的姿態，讓拋光元件對邊緣拋光進給時，是以斜向的拋光力道進行拋光研磨，且不會對玻璃基板的第一表面產生不良影響，如此一來，玻璃基板的邊緣能夠被拋光成預定的圓弧端角狀，以實現玻璃基板具有2.5D的形狀。 Therefore, each polishing element of the present invention is arranged in an oblique attitude, and when the polishing element feeds the edge for polishing, the polishing and grinding are performed with an oblique polishing force, and no defects are caused to the first surface of the glass substrate. In this way, the edge of the glass substrate can be polished into a predetermined arc-shaped end angle, so as to realize that the glass substrate has a 2.5D shape.

另外，本發明可透過固定裝置將複數玻璃基板夾設定位，以便同時對複數玻璃基板的邊緣進行拋光，而提高拋光作業的效率，具有大量加工之優勢。 In addition, the present invention can position the plurality of glass substrates through the fixing device, so as to polish the edges of the plurality of glass substrates at the same time, so as to improve the efficiency of the polishing operation, and has the advantage of mass processing.

100:拋光裝置 100: Polishing device

10:轉軸 10: Spindle

11:斜孔 11: Oblique hole

20:拋光元件 20: Polished Components

21:固定端 21: Fixed end

22:末端 22: End

30:固定裝置 30: Fixtures

31:第一固定部 31: The first fixed part

32:第二固定部 32: Second fixed part

33:間隔件 33: Spacer

200:玻璃基板 200: glass substrate

201:邊緣 201: Edge

202:第一表面 202: First Surface

203:第二表面 203: Second Surface

201a:直立段 201a: Upright segment

201b:斜向段 201b: Oblique section

L1:軸心線 L1: axis line

L2:假想線 L2: imaginary line

A:夾角 A: Included angle

[圖1]係為本發明玻璃基板之拋光裝置的結構示意圖。 [FIG. 1] is a schematic structural diagram of a polishing apparatus for glass substrates of the present invention.

[圖2]係為本發明玻璃基板之拋光裝置對玻璃基板的邊緣拋光示意圖。 FIG. 2 is a schematic diagram of the edge polishing of the glass substrate by the polishing apparatus for the glass substrate of the present invention.

[圖3]係為利用本發明而製作出來的玻璃基板示意圖。 Fig. 3 is a schematic diagram of a glass substrate produced by the present invention.

[圖4]係為本發明玻璃基板之拋光裝置另一拋光示意圖，顯示拋光裝置同時對複數玻璃基板的拋光作業狀態。 [FIG. 4] is another polishing schematic diagram of the glass substrate polishing apparatus of the present invention, which shows the polishing operation state of the polishing apparatus for a plurality of glass substrates at the same time.

以下參照各附圖詳細描述本發明的示例性實施例，且不意圖將本發明的技術原理限制於特定公開的實施例，而本發明的範圍僅由申請專利範圍限制，涵蓋了替代、修改和等同物。 Exemplary embodiments of the present invention are described in detail below with reference to the accompanying drawings, and are not intended to limit the technical principles of the present invention to the specific disclosed embodiments, but the scope of the present invention is limited only by the scope of the patent application, covering substitutions, modifications, and equivalent.

請參閱圖1至圖2所示，本發明為一種玻璃基板之拋光裝置100，其用於對一玻璃基板200之一邊緣201進行拋光，以去加工後的毛邊，避免過於粗糙，同時將邊緣201拋光至一定曲度，實現玻璃基板200具有2.5D的形狀。其中，玻璃基板200具有一第一表面202及一相反設置的一第二表面203，邊緣201設於第一表面202與第二表面203之間，而邊緣201於拋光之前，能夠利用如CNC預先粗加工而使邊緣201具有一直立段201a及一斜向段201b，直立段201a連接於第二表面203，斜向段201b連接於第一表面202與直立段201a之間。 Please refer to FIG. 1 to FIG. 2 , the present invention is a glass substrate polishing apparatus 100 , which is used for polishing an edge 201 of a glass substrate 200 to remove the processed burrs, avoid excessive roughness, and at the same time polish the edge 201 is polished to a certain curvature to realize that the glass substrate 200 has a 2.5D shape. The glass substrate 200 has a first surface 202 and an oppositely disposed second surface 203. The edge 201 is disposed between the first surface 202 and the second surface 203, and the edge 201 can be pre-polished by, for example, CNC before polishing. Rough machining makes the edge 201 have an upright section 201a and an oblique section 201b, the upright section 201a is connected to the second surface 203, and the inclined section 201b is connected between the first surface 202 and the upright section 201a.

其中，本發明實施例的拋光裝置100包括一轉軸10以及複數個拋光元件20。 The polishing apparatus 100 according to the embodiment of the present invention includes a rotating shaft 10 and a plurality of polishing elements 20 .

轉軸10係垂直於玻璃基板200之第一表面202與第二表面203，且沿著長度方向具有一軸心線L1。所述的軸心線L1為轉軸10的轉動中心。 The rotating shaft 10 is perpendicular to the first surface 202 and the second surface 203 of the glass substrate 200 and has an axis L1 along the length direction. The axis line L1 is the rotation center of the rotating shaft 10 .

所述複數個拋光元件20，其為直條狀並以羊毛材質製成而具有軟性及撓性，且環繞設置於轉軸10的周緣，且沿著軸心線L1方向延伸分布，以便受轉軸10旋轉而對邊緣201進行拋光作業。於本發明實施例中，每一個拋光元件20具有一固定端21及一末端22，拋光元件20的固定端21與一正交於軸心線L1的假想線L2具有一夾角A，夾角A小於90度。在一些實施例中，夾角A介於5度至70度之間。於拋光作業時，係以拋光元件20沾覆拋光液後再對玻璃基板200的邊緣201拋光，並對邊緣201進行深度0mm至20mm的範圍拋光。特別說明的是，當夾角A設定越大時，則可使拋光元件20較針對斜向段201b 拋光，即夾角A越大較不會研磨到玻璃基板200的第一表面202，防止對玻璃基板200的第一表面202造成不良影響，據此，本發明將邊緣201拋光研磨後，其邊緣201的表面粗糙度可為Ra<0.01um。 The plurality of polishing elements 20 are straight strips and are made of wool material with softness and flexibility, and are arranged around the periphery of the rotating shaft 10 and extend along the direction of the axis L1 so as to be affected by the rotating shaft 10 . The edge 201 is polished by rotation. In the embodiment of the present invention, each polishing element 20 has a fixed end 21 and an end 22, the fixed end 21 of the polishing element 20 and an imaginary line L2 perpendicular to the axis L1 have an included angle A, and the included angle A is smaller than 90 degrees. In some embodiments, the included angle A is between 5 degrees and 70 degrees. During the polishing operation, the edge 201 of the glass substrate 200 is polished after the polishing element 20 is dipped in the polishing liquid, and the edge 201 is polished with a depth ranging from 0 mm to 20 mm. In particular, when the included angle A is set larger, the polishing element 20 can be made more suitable for the oblique section 201b Polishing, that is, the larger the angle A is, the less the first surface 202 of the glass substrate 200 will be ground, and the adverse effect on the first surface 202 of the glass substrate 200 will be prevented. The surface roughness can be Ra<0.01um.

於本發明實施例中，轉軸10具有複數個斜孔11，以供每一個拋光元件20的固定端21插設固定於轉軸10的每一個斜孔11，且每兩個拋光元件20的固定端21間具有一間隙，間隙介於1mm至3mm之間。其中，固定端21能夠以黏著方式而黏固於轉軸10的斜孔11。 In the embodiment of the present invention, the rotating shaft 10 has a plurality of inclined holes 11 for the fixed end 21 of each polishing element 20 to be inserted and fixed in each inclined hole 11 of the rotating shaft 10 , and the fixed ends of every two polishing elements 20 There is a gap between 21, and the gap is between 1mm and 3mm. Wherein, the fixed end 21 can be adhered to the inclined hole 11 of the rotating shaft 10 in an adhesive manner.

此外，本發明實施例中，拋光裝置100具有一固定裝置30而將玻璃基板200夾設定位。固定裝置30包括一第一固定部31及一第二固定部32，第一固定部31供玻璃基板200的第二表面203承放，第二固定部32抵設於玻璃基板200的第一表面202，使固定裝置30透過第一固定部31與第二固定部32將玻璃基板200穩固定位，且讓玻璃基板200的邊緣201懸空露出，以便進行拋光作業。 In addition, in the embodiment of the present invention, the polishing device 100 has a fixing device 30 to clamp and set the glass substrate 200 in position. The fixing device 30 includes a first fixing portion 31 and a second fixing portion 32 . The first fixing portion 31 is for receiving the second surface 203 of the glass substrate 200 , and the second fixing portion 32 abuts against the first surface of the glass substrate 200 . Step 202 , enabling the fixing device 30 to stably position the glass substrate 200 through the first fixing portion 31 and the second fixing portion 32 , and allow the edge 201 of the glass substrate 200 to be suspended and exposed for polishing.

當拋光作業時，由於每一個拋光元件20呈斜向設置的姿態，即拋光元件20之末端22以斜向對玻璃基板200之邊緣201進行接觸，讓拋光元件20對邊緣201拋光進給時，而能夠以斜向的拋光力道對直立段201a與斜向段201b進行拋光研磨，且不會對玻璃基板200的第一表面202產生不良影響，據以將玻璃基板200的邊緣201拋光成預定的圓弧端角狀，以實現玻璃基板200具有2.5D的形狀，如圖3所示。 During the polishing operation, since each polishing element 20 is in an obliquely arranged posture, that is, the end 22 of the polishing element 20 is in contact with the edge 201 of the glass substrate 200 in an oblique direction, and when the polishing element 20 is polishing and feeding the edge 201, The upright segment 201a and the oblique segment 201b can be polished and ground with an oblique polishing force without adversely affecting the first surface 202 of the glass substrate 200, so that the edge 201 of the glass substrate 200 can be polished to a predetermined level. The arc end is angular, so that the glass substrate 200 has a 2.5D shape, as shown in FIG. 3 .

再請參閱圖4所示，係為本發明拋光裝置100另一拋光示意，玻璃基板200為複數個，而為層疊設置，並藉由固定裝置30而上、下夾設定位。其中，固定裝置30更包括複數個間隔件33設於每兩個玻璃基板200之間，每一個間隔件33的厚度介於0.01mm至5mm之間，且整體平面尺寸小於玻璃基板 200，間隔件33主要是避免灰塵侵入每兩個玻璃基板200之間，換言之透過間隔件33使得每一個玻璃基板200僅懸空露出邊緣201，方便拋光裝置100同時對每一個玻璃基板200進行拋光加工；如此一來，拋光裝置100能夠同步且穩定地對所述的玻璃基板200的四周圍進行拋光作業，而增加拋光作業的效率，而實現大量加工之目的。 Please refer to FIG. 4 again, which is another polishing schematic diagram of the polishing apparatus 100 of the present invention. There are a plurality of glass substrates 200 , which are arranged in layers, and are set up and down by the fixing device 30 . Wherein, the fixing device 30 further includes a plurality of spacers 33 disposed between each two glass substrates 200 , the thickness of each spacer 33 is between 0.01 mm and 5 mm, and the overall plane size is smaller than that of the glass substrates 200, the spacer 33 is mainly to prevent dust from invading between each two glass substrates 200, in other words, through the spacer 33, each glass substrate 200 is only suspended to expose the edge 201, which is convenient for the polishing device 100 to polish each glass substrate 200 at the same time. In this way, the polishing device 100 can synchronously and stably perform polishing operations around the glass substrate 200, thereby increasing the efficiency of polishing operations and achieving the purpose of mass processing.

綜合前述，本發明具有下列優點： In summary, the present invention has the following advantages:

1.本發明的拋光元件20為斜向設置，故以斜向方式對玻璃基板200的邊緣201進行拋光，以形成2.5D的玻璃基板200。 1. The polishing element 20 of the present invention is disposed obliquely, so the edge 201 of the glass substrate 200 is polished in an oblique manner to form a 2.5D glass substrate 200 .

2.本發明的固定裝置30將複數玻璃基板200夾設定位，以便同時對複數玻璃基板200的邊緣201進行拋光，從而提高拋光作業的效率，具有大量加工之優勢。 2. The fixing device 30 of the present invention clamps and sets the plurality of glass substrates 200 so as to polish the edges 201 of the plurality of glass substrates 200 at the same time, thereby improving the efficiency of the polishing operation and having the advantage of mass processing.

雖然本發明是以一個最佳實施例作說明，精於此技藝者能在不脫離本發明精神與範疇下作各種不同形式的改變。以上所舉實施例僅用以說明本發明而已，非用以限制本發明之範圍。舉凡不違本發明精神所從事的種種修改或改變，俱屬本發明申請專利範圍。 Although the present invention has been described in terms of a preferred embodiment, those skilled in the art can make various changes without departing from the spirit and scope of the invention. The above-mentioned embodiments are only used to illustrate the present invention, but not to limit the scope of the present invention. All modifications or changes that do not violate the spirit of the present invention shall fall within the scope of the patent application of the present invention.

100:拋光裝置 100: Polishing device

10:轉軸 10: Spindle

20:拋光元件 20: Polished Components

30:固定裝置 30: Fixtures

31:第一固定部 31: The first fixed part

32:第二固定部 32: Second fixed part

200:玻璃基板 200: glass substrate

201:邊緣 201: Edge

202:第一表面 202: First Surface

203:第二表面 203: Second Surface

201a:直立段 201a: Upright segment

201b:斜向段 201b: Oblique section

L1:軸心線 L1: axis line

Claims (7)

一種玻璃基板之拋光裝置，其用於對一玻璃基板之一邊緣進行拋光，該玻璃基板具有一第一表面及一相反設置的一第二表面，該邊緣設於該第一表面與該第二表面之間，該拋光裝置包括：一轉軸，係垂直於該玻璃基板之第一表面與第二表面，且該轉軸具有一沿著長度方向之軸心線；以及複數個拋光元件，其為直條狀具有軟性及撓性而環繞設置於該轉軸的周緣，前述拋光元件具有一固定端及一末端，該固定端設置於該轉軸，且該轉軸沿著該軸心線方向延伸分布，前述拋光元件的固定端與一正交於該軸心線的假想線具有一夾角，該夾角小於90度，而使前述拋光元件之末端以斜向對該玻璃基板之邊緣進行接觸。 A glass substrate polishing device, which is used for polishing an edge of a glass substrate, the glass substrate has a first surface and an oppositely arranged second surface, the edge is arranged on the first surface and the second surface Between the surfaces, the polishing device includes: a rotating shaft, which is perpendicular to the first surface and the second surface of the glass substrate, and the rotating shaft has an axis line along the length direction; and a plurality of polishing elements, which are straight The strip has softness and flexibility and is arranged around the periphery of the rotating shaft. The polishing element has a fixed end and an end, the fixed end is disposed on the rotating shaft, and the rotating shaft extends and distributes along the axis line direction. The fixed end of the element has an included angle with an imaginary line orthogonal to the axis, and the included angle is less than 90 degrees, so that the end of the polishing element is inclined to contact the edge of the glass substrate. 如請求項1所述之玻璃基板之拋光裝置，其中，該夾角介於5度至70度之間。 The glass substrate polishing device according to claim 1, wherein the included angle is between 5 degrees and 70 degrees. 如請求項1所述之玻璃基板之拋光裝置，其中，該等拋光元件以羊毛材質製成。 The glass substrate polishing device according to claim 1, wherein the polishing elements are made of wool. 如請求項1所述之玻璃基板之拋光裝置，其中，該轉軸具有複數個斜孔，以供前述拋光元件的固定端插設固定，且每兩個前述拋光元件的固定端間具有一間隙，該間隙介於1mm至3mm之間。 The glass substrate polishing device according to claim 1, wherein the rotating shaft has a plurality of inclined holes for the fixing ends of the polishing elements to be inserted and fixed, and there is a gap between the fixing ends of every two polishing elements, The gap is between 1mm and 3mm. 如請求項1所述之玻璃基板之拋光裝置，其中，該玻璃基板為複數個，該拋光裝置具有一固定裝置以夾設定位前述玻璃基板，前述玻璃基板呈等間隔設置。 The polishing device for glass substrates according to claim 1, wherein there are a plurality of glass substrates, the polishing device has a fixing device to clamp and position the glass substrates, and the glass substrates are arranged at equal intervals. 如請求項5所述之玻璃基板之拋光裝置，其中，該固定裝置包括一第一固定部、一第二固定部以及複數個間隔件設於每兩個前述玻璃基板之間，該第一固定部與該第二固定部將前述玻璃基板夾設定位。 The polishing device for glass substrates according to claim 5, wherein the fixing device comprises a first fixing part, a second fixing part and a plurality of spacers disposed between each two of the glass substrates, the first fixing part The glass substrate is clamped and positioned by the second fixing portion and the second fixing portion. 如請求項6所述之玻璃基板之拋光裝置，其中，前述間隔件的厚度介於0.01mm至5mm之間。 The glass substrate polishing device according to claim 6, wherein the thickness of the spacer is between 0.01 mm and 5 mm.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434326A (en) * 2022-02-23 2022-05-06 京东方杰恩特喜科技有限公司 2.5D glass cover plate machining tool and machining method

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US5944587A (en) * 1997-07-29 1999-08-31 The Gleason Works Cutting edge rounding method
JP2008254086A (en) * 2007-04-02 2008-10-23 Shoda Techtron Corp Apparatus and brush for polishing glass substrate for recording medium
TWM459955U (en) * 2013-04-24 2013-08-21 Taiwan Sun Li Fia Co Ltd Polishing wheel
TW201819331A (en) * 2016-08-25 2018-06-01 日商信越化學工業股份有限公司 Rectangular glass substrate and method for preparing the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5944587A (en) * 1997-07-29 1999-08-31 The Gleason Works Cutting edge rounding method
JP2008254086A (en) * 2007-04-02 2008-10-23 Shoda Techtron Corp Apparatus and brush for polishing glass substrate for recording medium
TWM459955U (en) * 2013-04-24 2013-08-21 Taiwan Sun Li Fia Co Ltd Polishing wheel
TW201819331A (en) * 2016-08-25 2018-06-01 日商信越化學工業股份有限公司 Rectangular glass substrate and method for preparing the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114434326A (en) * 2022-02-23 2022-05-06 京东方杰恩特喜科技有限公司 2.5D glass cover plate machining tool and machining method

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