KR20140099314A - Reel member and film containing body - Google Patents

Reel member and film containing body Download PDF

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Publication number
KR20140099314A
KR20140099314A KR1020147018333A KR20147018333A KR20140099314A KR 20140099314 A KR20140099314 A KR 20140099314A KR 1020147018333 A KR1020147018333 A KR 1020147018333A KR 20147018333 A KR20147018333 A KR 20147018333A KR 20140099314 A KR20140099314 A KR 20140099314A
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KR
South Korea
Prior art keywords
adhesive film
flange
flange portions
core shaft
winding core
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Application number
KR1020147018333A
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Korean (ko)
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KR102004565B1 (en
Inventor
다까시 히끼지
가즈노리 하마자끼
Original Assignee
데쿠세리아루즈 가부시키가이샤
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Publication of KR20140099314A publication Critical patent/KR20140099314A/en
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Publication of KR102004565B1 publication Critical patent/KR102004565B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/04—Kinds or types
    • B65H75/08—Kinds or types of circular or polygonal cross-section
    • B65H75/14—Kinds or types of circular or polygonal cross-section with two end flanges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/37—Tapes
    • B65H2701/377—Adhesive tape

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  • Storage Of Web-Like Or Filamentary Materials (AREA)

Abstract

The reel unit 1 has a cylindrical winding core shaft portion 2 and first and second flange portions 11 and 12 provided at both ends of the winding core shaft portion 2. The reel unit The adhesive film 6 is wound around the winding core shaft portion 2. There is a reinforcement portion 3 of a certain thickness in the vicinity of the winding core shaft portion 2 of the flange portions 11, The weighted portion 4 is provided on the flange outer side of the flange portions 11, 12 and the reinforced portion 3. The thickness of the light-weighted portion (4) is thinner than the thickness of the reinforced portion (3). The light-weighted portion 4 is formed in a tapered shape, and is the thinnest on the flange outer peripheral side. The ribs 5 for guiding the adhesive film 6 are provided on the inner side portions of the flange portions 11, 12. The warpage of the flange portions 11, 12 due to the self weight is prevented, and the accuracy of the clearance C between the opposed ribs 5 is improved.

Description

REEL MEMBER AND FILM CONTAINING BODY [0002]

The present invention relates to a technique of a reel member for winding and withdrawing a series of long adhesive films such as an anisotropic conductive adhesive film.

In general, for example, when an electronic component such as a liquid crystal panel or an IC chip is electrically connected, an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive is used.

Recently, as an adhesive film for electrically connecting and bonding an electrode for a solar cell, a conductive adhesive film containing conductive particles in an insulating adhesive has been used.

Such an adhesive film is formed on a narrow and long peeling sheet, and is shipped in the form of a roll wound on a reel member.

In recent years, it has been desired to make such an adhesive film long, but if the adhesive film is made long, the diameter of the film roll increases and warpage occurs in the outer peripheral portion of the flange portion of the reel member due to its self weight, .

Further, if it is not possible to lengthen the adhesive film, it is necessary to frequently replace the reel member wound with a short adhesive film, and the production efficiency is lowered because the production line is stopped each time.

Japanese Patent Application Laid-Open No. 2007-94662

SUMMARY OF THE INVENTION It is an object of the present invention to provide a reel member for winding and pulling a long adhesive film, which prevents warpage of the flange outer peripheral portion due to the self weight of the reel member, And to improve the precision of the measurement.

According to an aspect of the present invention for achieving the above object, there is provided a film winding apparatus comprising a winding core shaft portion which is formed in a cylindrical shape and can wind an adhesive film, and first and second flange portions provided at both end portions of the winding core shaft portion, Wherein a reinforcing portion having a predetermined thickness is provided in the vicinity of the winding core shaft portion of the second flange portion and an inner side portion of the first and second flange portions is formed in a portion of the flange outer peripheral side with respect to the reinforcing portion, And a rib for guiding the adhesive film is provided on an inner side portion of the first and second flange portions.

The present invention is also effective in the case where the lightening portion is formed in a tapered shape so that the thickness becomes thinner from the reinforcing portion toward the flange peripheral portion.

In the present invention, the rib is also effective in a case where the surface guiding the adhesive film is provided so as to be positioned on a plane perpendicular to the rotational direction of the reel member.

Further, the present invention is a film receiver having any one of the above-described reel members and an adhesive film wound around the winding core shaft portion of the reel member.

In the present invention, the adhesive film is also effective when it is an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive.

In the case of the present invention, reinforcing portions having a predetermined thickness are provided in the vicinity of the winding core shafts of the first and second flange portions, and the reinforcing portions are formed on the inner side portions of the first and second flange portions, The weight of the outer peripheral portion of the first and second flange portions is set to be smaller than the weight of the outer peripheral portion of the first and second flange portions after securing the rigidity of the reel member by the reinforcement portion having a constant thickness Therefore, it is possible to prevent warpage of the flange outer peripheral portion due to the self weight of the reel member, thereby improving the accuracy of the clearance between the first and second flange portions.

Further, in the present invention, since the ribs for guiding the adhesive film are provided on the inner side portions of the first and second flange portions, it is possible to prevent meandering of the adhesive film at the time of winding and withdrawing, As a result, it is possible to prevent the adhesive film from falling off at the time of winding and to prevent the adhesive film from sticking or blocking at the time of drawing.

In the present invention, in the case where the surface for guiding the adhesive film of the rib is disposed on a plane orthogonal to the rotational direction of the reel member, the meandering of the adhesive film at the time of winding and pulling out is more secure It is possible to more reliably prevent the adhesive film from falling off at the time of winding and to catch and block the adhesive film at the time of drawing.

According to the present invention, it is possible to prevent warpage of the flange outer circumferential portion due to the self weight of the reel member in the reel member for winding and pulling the elongate adhesive film, so that the accuracy of the clearance between the first and second flange portions can be improved have.

As a result, according to the present invention, it is not necessary to frequently change the reel member in the process of attaching the adhesive film, and the production efficiency can be greatly improved.

1 (a) is a plan view showing an inner configuration of an embodiment of a reel member according to the present invention. Fig. 1 (a) is a sectional view taken along line AA in Fig. 1 Cross-section
2 is a cross-sectional view showing the entire configuration of the reel unit (same)
3 is a cross-sectional view showing the entire configuration of an embodiment of the film receiver according to the present invention
4 is an explanatory view showing the dimensional relationship of each part in the reel member of the present invention
5 is a sectional view showing the configuration of the reel members of Comparative Examples 1 and 2
6 is a sectional view showing a configuration of a reel member of Comparative Example 3
7 is a cross-sectional view showing a configuration of a reel member of Comparative Example 4

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

Fig. 1 (a) is a plan view showing an inner configuration of an embodiment of a reel member according to the present invention, Fig. 1 (b) is a sectional view taken along the line AA in Fig. BB line sectional view.

The reel unit 1 of the present embodiment includes a polystyrene resin from the viewpoint of ensuring dimensional stability. As shown in Figs. 1 (a) to 1 (c), the reel unit 1 of the film winding apparatus or the film pull- As shown in Fig.

The reel member 1 has a cylindrical winding core shaft portion 2 on which a long adhesive film such as an anisotropic conductive adhesive film is wound and has a cylindrical first And second flange portions 11, 12 are integrally provided.

In the case of the present embodiment, the first and second flange portions 11 and 12 are formed so that the outer surface thereof is a plane orthogonal to the rotational axis O and have the same configuration. Hereinafter, the first flange portion 11 will be described as an example.

Around the winding core shaft portion 2 of the first flange portion 11, for example, a circular reinforcing portion 3 is provided.

The reinforcing portion 3 has an inner surface formed in parallel with the outer surface of the first flange portion 11 and is formed to have a constant width.

The lightweight portion 4 is provided on the inner peripheral portion of the first flange portion 11 at the outer peripheral portion side with respect to the reinforced portion 3.

The lightweight portion 4 is formed in a tapered shape so as to be thinner than the reinforcing portion 3 from the reinforcing portion 3 toward the outer peripheral portion side.

Further, in the present embodiment, the surface (inner side surface) of the light-weighted portion 4 is formed in a planar shape.

A rib 5 for guiding the adhesive film is provided on the inner peripheral portion of the first flange portion 11 and on the outer peripheral portion side with respect to the winding core shaft portion 2.

The rib 5 has a plurality of inner guide portions 5a extending in a radial straight line around the rotational axis O of the reel member 1 and a plurality of inner guide portions 5b extending in a radial direction Shaped outer guide portion 5b.

Each portion of the rib 5 is formed on a plane parallel to the outer surface 11a of the first flange portion 11 so as to be slightly higher than the reinforcing portion 3, And the top surfaces of the inner guide portion 5a and the outer guide portion 5b of the rib 5 are positioned.

A predetermined R is provided on each of the top surfaces of the ribs 5.

2 is a cross-sectional view showing the entire configuration of the reel member of the present embodiment.

3 is a cross-sectional view showing an overall configuration of an embodiment of the film receiver according to the present invention.

The film reel 1 shown in Fig. 2 is attached to a film winding device (not shown) and a long adhesive film 6 is wound around the winding core shaft 2 to obtain a film receiver 20 shown in Fig. 3 Loses.

Fig. 4 is an explanatory view showing the dimensional relationship of each part in the reel member 1 of the present invention. Fig.

The reel unit 1 according to the present invention is effective for an elongate (300 to 600 m) adhesive film 6 and has first and second flange portions 11 and 12 of large diameter.

Specifically, the diameters of the first and second flange portions 11, 12 are 250 to 300 mm, and the distance between the first and second flange portions 11, 12, that is, the winding core shaft portion 2, Is particularly effective as the thickness t is 1.00 to 1.30 mm.

In this case, the diameter d of the take-up core shaft portion 2 is preferably set so that the diameter of the first and second flange portions 11 and 12 / 10%. ≪ / RTI >

In this case, from the viewpoint of reducing the weight of the outer peripheral portion of the flange, it is preferable to set it to about 100 mm.

The diameter D of the reinforcing portion 3 is preferably 10 mm or less in diameter (diameter of the first and second flange portions 11 and 12/150) from the viewpoint of ensuring the required rigidity and lightening the outer periphery of the flange, .

Specifically, the diameter D of the reinforcing portion 3 is preferably 183 to 150 mm, but is preferably set to about 150 mm from the viewpoint of weight reduction.

The thickness ratio H 1 : H 2 of the center side end portion and the outer peripheral portion side end portion of the light-weighted portion 4 is preferably 5: 4 to 3: 2 from the viewpoint of securing required rigidity and lightening the outer periphery of the flange, More preferably 4: 3.

Specifically, the preferable size H 1 of the light weight portion 4 on the center side is 1.90 to 2.10 mm, and the size H 2 of the light weight portion 4 on the outer periphery side is preferably 1.45 to 1.55 mm.

The height h of the outer peripheral portion (outer guide portion 5b) of the rib 5 is preferably 0.4 to 0.5 mm from the viewpoint of ensuring the required rigidity and lightening the outer periphery of the flange.

The clearance C between the ribs 5 is set to be 0.05 to 0.10 mm relative to the width of the adhesive film 6 from the viewpoints of preventing adhesion of the adhesive film to the rib surface and preventing the adhesive film from falling off into the gap .

On the other hand, the number of the inner guide portions 5a of the rib 5 is preferably increased as the reel diameter increases.

In the range to which the present invention is applied, it is preferably 8 to 24, more preferably 12 to 24.

If the number of the inner guide portions 5a of the ribs 5 is less than 8, the adhesive film 6 may be horizontally disposed after the winding of the adhesive film 6 or may deviate from the adhesive film 6 during transportation, The number of the inner guide portions 5a of the adhesive film 6 is larger than 24, there is a possibility that the adhesive film 6 is lifted at the time of winding, and at the same time, the risk of adhesion of the adhesive film 6 to the rib surface is increased.

A larger number of ribs 5 (inner guide portions 5a) are provided on the outer peripheral portions of the first and second flange portions 11 and 12 It is possible.

In the present embodiment described above, the reinforcing portion 3 having a constant thickness is provided in the vicinity of the winding core shaft portion 2 of the first and second flange portions 11 and 12, and the first and second flange portions 11, The lightweight portion 4 formed inside the flange portions 11 and 12 and formed in a tapered shape so as to have a thickness smaller than the thickness of the reinforced portion 3 is provided at the portion on the flange outer side with respect to the reinforced portion 3 The weight of the outer peripheral portion of the first and second flange portions 11 and 12 can be reduced after securing the rigidity of the reel member 1 by the reinforcement portion 3 of a certain thickness, Accordingly, warpage of the flange outer peripheral portion due to the self weight of the reel member 1 can be prevented, and the clearance accuracy between the first and second flange portions 11, 12 can be improved.

In this embodiment, the ribs 5 for guiding the adhesive film 6 are provided on the inner side portions of the first and second flange portions 11, 12, 6 are disposed on a plane perpendicular to the rotational direction of the reel unit 1, it is possible to reliably prevent the sticky film 6 from winding during winding and pulling out Therefore, it is possible to reliably prevent the adhesive film 6 from being pulled off during winding, and the adhesive film 6 to be hooked or blocked at the time of pulling out.

Example

Hereinafter, the present invention will be specifically described with reference to Examples and Comparative Examples, but the present invention is not limited to the following Examples.

≪ Preparation of adhesive film &

As the adhesive film 6, a release sheet (not shown) having a width of 1.0 mm and an anisotropic conductive adhesive having a thickness of 25 mu m after drying was applied and formed as a film was used. The type of the adhesive is an epoxy thermosetting type.

Here, the lowest melt viscosity of the anisotropic conductive adhesive film is 3.0 x 10 < 4 >

The lowest melt viscosity was measured using a rotary rheometer (TA instrument) at a heating rate of 10 DEG C / min, a measurement pressure of 5 g constantly maintained, and a measurement plate having a diameter of 8 mm Value.

≪ Example 1 >

Wherein the reel member 1 includes a polystyrene resin and the diameter of the winding core shaft portion 2 is 100 mm and the thickness is 1.25 mm and the diameters of the first and second flange portions 11 and 12 are 250 mm. Type. This is the configuration shown in Fig.

The reinforcing portion 3 of the reel member 1 has a thickness of 2.0 mm and a width D of 150 mm.

Further, the weight section 4 is formed in a flat-tapered, and the height H 1 of the periphery within the flange in the same thickness of 2.0mm and the reinforcing part (3), the thickness H 2 of the outer peripheral portion flange 1.5mm Respectively.

On the other hand, the height h of the flange outer peripheral portion (outer guide portion 5b) of the rib 5 was 0.5 mm from the inner side surfaces of the first and second flange portions 11, 12.

In addition, 12 inner guide portions 5a of the ribs 5 were provided at equal intervals.

An anisotropic conductive adhesive film 6 having a length of 500 m was wound around the reel member 1 as an adhesive film 6.

≪ Comparative Example 1 &

The thickness of the first and second flange portions 11 and 12 is set to 2 mm and the thickness of the tapered lightweight portion 4 is not increased as shown in Fig. The height of the portion 50a and the outer guide portion 50b is 0.1 mm from the flange inner surface 40. [ The reel unit 1A is a conventional reel unit.

The adhesive film 6 having a length of 300 m was wound around the first and second flange portions 11 and 12 with a diameter of 195 mm.

≪ Comparative Example 2 &

A reel member 1A having a diameter of 250 mm in the first and second flange portions 11 and 12 was formed in the shape shown in Fig. 5, and the adhesive film 6 having a length of 500 m was wound thereon.

≪ Comparative Example 3 &

The tapered lightweight portion 4A is formed on the inner surfaces of the first and second flange portions 11 and 12 while the inner guide portions 50a and 50b of the ribs 5B are formed as shown in Fig. And the height of the outer guide portion 50b was 0.1 mm from the inner side surface of the flange.

A reel member 1B was produced under the same conditions as those of the embodiment except for that, and the adhesive film 6 having a length of 300 m was wound thereon.

≪ Comparative Example 4 &

7, a reel member 1C was manufactured under the same conditions as those of the embodiment except that the reinforcing portion was not provided and the tapered light-weighted portion 4A was formed, and the adhesive film 6 having a length of 500 m was wound Respectively.

<Evaluation>

The reel members (film receivers) manufactured in Examples and Comparative Examples 1 to 4 were allowed to stand under the environment of room temperature for 24 hours, respectively, and the distance between the first and second flange portions 11 and 12 in the outer periphery of the flange The clearance was measured using a laser reflective displacement meter. The results are shown in Table 1.

In Examples and Comparative Examples 1 to 4, the state (dropout, etc.) of the adhesive film 6 at the time of winding was visually observed. The results are shown in Table 1.

The adhesive film 6 was repeatedly pulled out for one second with a pulling tension of 50 g and an interval of 1 second at a pulling rate of 500 mm / second until the end, and the state of the adhesive film 6 at the time of pulling out and after pulling out , Blocking, breaking) were visually observed. The results are shown in Table 1.

Figure pct00001

&Lt; Evaluation result >

As is apparent from Table 1, in the case of Comparative Examples 1 and 2 in which the reinforcement portion and the tapered lightweight portion were not provided, in the case where the length of the adhesive film 6 was as short as 300 m (Comparative Example 1) (1.15 占 .1 mm), no problem occurred at the time of winding and withdrawing. However, in the case where the length of the adhesive film 6 was prolonged to 500 m (Comparative Example 2), in the outer periphery of the flange (1.15. + -. 0.4 mm) with the increase in the clearance of the clearance of the sheet, and a hooking, blocking, and breaking occurred at the time of drawing.

The tapered lightweight portion 4A is formed on the inner surfaces of the first and second flange portions 11 and 12 while the height of the rib 5B is set to 0.1 mm from the inner surface of the reel member 1B (1.15. + -. 0.2 mm) in the outer periphery of the flange is large (1.15. + -. 0.2 mm) even in the case where the diameters of the first and second flange portions 11 and 12 are 250 mm, The adhesive film 6 was wound up and dropped off.

The tapered lightweight portion 4A is formed on the inner surfaces of the first and second flange portions 11 and 12 and the height of the rib 5 in the flange outer peripheral portion is set to 0.5 mm in Comparative Example 4, the length of the adhesive film 6 could be made longer by 500 m, but the clearance error in the flange outer peripheral portion was large (1.15 ± 0.2 mm) and a hooking occurred at the time of drawing.

The reinforcing portion 3 and the tapered lightening portion 4 are formed on the inner side surfaces of the first and second flange portions 11 and 12 and the rib portion 5 of the rib 5 on the flange outer peripheral portion In the embodiment having the height of 0.5 mm, even when the length of the adhesive film 6 is increased to 500 m, the clearance error in the outer periphery of the flange is small (1.15 ± 0.1 mm) mm or less.

In the examples of the present invention, no problem occurred at the time of winding and drawing.

From the above results, it was proved that the present invention can prevent the warp of the flange outer peripheral portion due to the self weight of the reel member and improve the accuracy of the clearance between the first and second flange portions.

One… Reel member
2… Winding core shaft
3 ... Reinforced portion
4… Lightweight portion
5 ... live
5a ... The inner guide portion
5b ... The outer guide portion
6 ... Adhesive film
10 ... driving axle
11 ... The first flange portion
12 ... The second flange portion
He ... Rotation axis line

Claims (5)

A winding core shaft portion formed in a cylindrical shape and capable of winding an adhesive film,
And first and second flange portions provided at both ends of the winding core shaft portion,
A reinforcing portion having a predetermined thickness is provided in the vicinity of the winding core shaft portion of the first and second flange portions,
Wherein a weighted portion formed inside the first and second flange portions so as to be thinner than a thickness of the reinforcing portion with respect to the reinforcing portion,
And a rib for guiding the adhesive film is provided on an inner portion of the first and second flange portions. The reel unit according to claim 1, wherein the lightening portion is formed in a tapered shape so as to be thinner from the reinforcing portion toward the flange peripheral portion. The reel unit according to claim 1 or 2, wherein the rib is provided so that a surface guiding the adhesive film is positioned on a plane orthogonal to a rotating direction of the reel member. And a first flange portion provided at both ends of the winding core shaft portion, the first flange portion and the second flange portion being formed in a cylindrical shape and capable of winding an adhesive film, A weighted portion provided on the flange outer peripheral side with respect to the reinforcing portion so that the thickness of the weighted portion is smaller than the thickness of the reinforced portion, A reel having an inner portion of the first and second flange portions provided with a rib for guiding the adhesive film,
And an adhesive film wound around the winding core shaft portion of the reel member. The film receiver according to claim 4, wherein the adhesive film is an anisotropic conductive adhesive film in which conductive particles are dispersed in an insulating adhesive.
KR1020147018333A 2011-12-05 2012-11-29 Reel member and film containing body KR102004565B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011266085A JP5930274B2 (en) 2011-12-05 2011-12-05 Reel member and film container
JPJP-P-2011-266085 2011-12-05
PCT/JP2012/080987 WO2013084797A1 (en) 2011-12-05 2012-11-29 Reel member and film containing body

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KR20140099314A true KR20140099314A (en) 2014-08-11
KR102004565B1 KR102004565B1 (en) 2019-07-26

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CN (1) CN103958384B (en)
TW (1) TWI649250B (en)
WO (1) WO2013084797A1 (en)

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KR101645335B1 (en) * 2016-03-14 2016-08-03 권창수 Winding core for separated membrane film with enhanced intensity

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JP2015086029A (en) * 2013-10-29 2015-05-07 デクセリアルズ株式会社 Reel member, and film storage body
WO2017026404A1 (en) * 2015-08-10 2017-02-16 デクセリアルズ株式会社 Reel member, film container, and reel member manufacturing method
JP2017186158A (en) * 2016-03-31 2017-10-12 株式会社フジクラ Bobbin for winding optical fiber, optical fiber winding method, and bobbin-wound optical fiber
JP7325706B2 (en) * 2018-07-18 2023-08-15 マックス株式会社 Binding tape, binding method, tape wound body and reel
TWI669262B (en) 2019-01-21 2019-08-21 頎邦科技股份有限公司 Device for preventing deformation of restrictor plate of reel
CN114616201A (en) * 2019-11-07 2022-06-10 住友电气工业株式会社 Winding device for linear body and method for manufacturing linear body
JP2021080098A (en) * 2019-11-22 2021-05-27 デクセリアルズ株式会社 Reel member, adhesive film wound body

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TWI649250B (en) 2019-02-01
KR102004565B1 (en) 2019-07-26
JP2013116816A (en) 2013-06-13
WO2013084797A1 (en) 2013-06-13
JP5930274B2 (en) 2016-06-08
CN103958384A (en) 2014-07-30
TW201341293A (en) 2013-10-16
CN103958384B (en) 2016-04-13

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