WO2013072953A1 - 転写金型の製造方法、それによって作製された転写金型、及びその転写金型によって作製された部品 - Google Patents
転写金型の製造方法、それによって作製された転写金型、及びその転写金型によって作製された部品 Download PDFInfo
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- WO2013072953A1 WO2013072953A1 PCT/JP2011/006355 JP2011006355W WO2013072953A1 WO 2013072953 A1 WO2013072953 A1 WO 2013072953A1 JP 2011006355 W JP2011006355 W JP 2011006355W WO 2013072953 A1 WO2013072953 A1 WO 2013072953A1
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/003—3D structures, e.g. superposed patterned layers
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/10—Moulds; Masks; Masterforms
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/20—Separation of the formed objects from the electrodes with no destruction of said electrodes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D1/00—Electroforming
- C25D1/20—Separation of the formed objects from the electrodes with no destruction of said electrodes
- C25D1/22—Separating compounds
Definitions
- the present invention relates to a method of manufacturing a transfer mold, a transfer mold manufactured thereby, and a component manufactured by the transfer mold, and more particularly, to durability for forming a component by electroforming
- the present invention relates to a method of manufacturing a transfer mold by electroforming which can obtain a rich and aspect ratio, a transfer mold thereby, and parts thereof.
- the electric casting method is less subject to area limitations and can form thick film conductors, display parts such as display letters and needles of watches, mechanical parts such as small gears, springs, pipes and diagrams (pressure sensors) They are widely used in electronic components such as wiring of semiconductor devices and coils.
- Patent Document 1 when manufacturing a insert, first, a cutting master on which a fine pattern is formed in advance is formed, and then a transfer master is formed from the cutting master by hot pressing, and then, a transfer master using electroforming method. There is a statement to the effect of forming a nest.
- Patent Document 2 a process of forming a mask pattern having an opening on a silicon wafer surface, a process of performing anisotropic etching, a process of forming a common electrode film, and an electroformed film grown from the common electrode film are described.
- the timepiece dial is formed by the steps of forming, etching the silicon wafer, and forming a resin dial having a convex portion using the electroformed film as a transfer mask.
- FIG. 6 is a structural view of a part formed by a conventional transfer mold.
- the component shape is patterned on the photoresist 30 on the metal substrate 90 by photowork.
- a predetermined metal (Ag, Cu, Ni or the like) is electrodeposited by electroforming (hereinafter referred to as electroforming) using the metal substrate 90 on which the resist pattern is formed as a transfer mold, and a component 95 is formed.
- the electroformed component 95 is transferred to the component substrate 97 via the adhesive 85.
- components of any shape according to the application have been formed by electroforming and used by being transplanted to the component substrate 97.
- the angle ⁇ of the side wall of the photoresist 30 is set to a gentle angle less than 45 ° in order to facilitate peeling of the component 95 and implant.
- the photoresist 30 is A thickness of about 10 ⁇ m is required.
- the component 95 is formed along the side wall of the photoresist 30 of about 10 ⁇ m in a state of being embedded by electroforming, so when the wiring pattern, inductive coil, etc. are long, the contact area between the side walls is It will increase and the exfoliation resistance during explantation will increase.
- a transfer mold using a photoresist patterned in this manner in order to implant on the component substrate 97, the peeling force against this increased peeling resistance is applied, and therefore, it adheres to the metal substrate 90.
- the resist pattern edge of the photoresist 30 tends to peel off, and peeling of the resist occurs in 2 to 3 times of use, causing a problem that the transfer mold can not be used.
- JP 2004-1535 A Japanese Patent Application Publication No. 2004-257861
- the present invention has been made to solve such problems, and it is made of a highly durable, aspect ratio transfer mold for forming parts by electroforming, and the transfer mold of the invention.
- the purpose is to provide different parts.
- transfer dies There are four types of transfer dies: master dies, mother dies, sun dies, and transfer dies.
- the master mold is a mold that is the basis of part production and is not usually used directly for part production.
- the mother mold is a mold produced by reversing the unevenness of the master mold using the master mold. This mother mold is also not used directly for part production.
- the sun mold is a mold produced by reversing the unevenness of the mother mold using the mother mold. Accordingly, the sun mold has the same shape as the master mold.
- this sun mold is treated with insulating layer treatment, peeling layer processing, etc. to make a transfer mold, and parts are manufactured using this, and when the transfer mold is worn out, the master mold is again used as a mother mold, A new transfer mold is produced through the sun mold.
- the method for producing a transfer mold of the present invention comprises the steps of: forming a resist pattern of a component shape having a desired aspect ratio and having a desired angle ⁇ on the side wall of the metal substrate; And filling the pattern by electroforming to a predetermined thickness to produce a transfer mold, and separating the transfer mold from the metal substrate to produce a master mold. .
- the method for producing a transfer mold of the present invention comprises the steps of: forming a resist pattern of a component shape having a desired aspect ratio and having a desired angle ⁇ on the side wall of the metal substrate; Filling the pattern to a predetermined thickness by electroforming to produce a transfer mold, pulling the transfer mold away from the metal substrate to produce a master mold, and forming a master mold from a master mold Through the steps of transferring and producing a sun mold, peeling layer processing for facilitating peeling of parts formed by electroforming to the sun mold, and insulating layer processing for forming an insulating layer in parts other than part formation. And making a transfer mold.
- the method for producing a transfer mold of the present invention is characterized by first including the step of forming a roughened layer on the surface of a metal substrate.
- the method for manufacturing a transfer mold of the present invention comprises the steps of: forming a resist pattern of a part shape having a desired aspect ratio and having an angle of the side wall of about 90 ° on a metal substrate; Filling the resist pattern to a predetermined thickness by electroforming to produce a transfer mold; separating the transfer mold from the metal substrate; and transferring the part part on the separated transfer mold.
- Carrying out a photoresist work so that the resist pattern layer remains in the portion excluding the above, and using the resist pattern layer as a protective layer so that the side wall of the part shape has an arbitrary angle of approximately 90 ° to less than 90 °.
- beam processing to produce a master mold.
- the method of manufacturing a transfer mold of the present invention comprises the steps of: forming a resist pattern of a part shape having a desired aspect ratio and having a side wall angle of about 90 ° on a metal substrate; Filling the resist pattern to a predetermined thickness by electroforming to produce a transfer mold; separating the transfer mold from the metal substrate; and transferring the part part on the separated transfer mold. Carrying out a photoresist work so that the resist pattern layer remains in the portion excluding the above, and using the resist pattern layer as a protective layer so that the side wall of the part shape has an arbitrary angle of approximately 90 ° to less than 90 °.
- Beam processing to produce a master mold, transfer from a master mold to a mother mold, transfer and manufacture a sun mold, and electric work to a sun mold Forming a transfer mold by performing peeling layer processing for facilitating peeling of parts formed by manufacturing, and insulating layer processing for forming insulating layers on parts other than part formation.
- the method for producing a transfer mold of the present invention is characterized by first including the step of forming a roughened layer on the surface of a metal substrate.
- the master mold of the present invention is manufactured by the above-described method of manufacturing a transfer mold, and is characterized in that the cross section has a desired aspect ratio and the angle of the side wall is 45 ° to 88 °.
- the transfer mold of the present invention is characterized in that the sun mold manufactured using the above-mentioned master mold is subjected only to the insulating layer processing or the insulating layer processing and the peeling layer processing. .
- a component produced by electroforming in the present invention characterized in that it is produced by electroforming using the above-mentioned transfer mold.
- the manufacturing-process figure of the master mold by electric casting of this invention The manufacturing-process figure of the master mold by beam processing of this invention.
- FIG. 1 is a manufacturing process diagram of a master mold by electric casting according to the present invention.
- the upper surface of the metal substrate 10 has a roughened layer 15 for roughening the contact surface of the master mold formed by electroforming.
- the roughened layer 15 may be formed by directly roughening the surface of the metal substrate 10 by hydrochloric acid treatment or the like, or a photowork may be used to form a photo suitable for roughening such as stripe or lattice.
- the pattern layer may be formed as the roughened layer 15.
- the roughened layer 15 may be omitted if there is no problem in the mutual adhesion strength.
- the shape of the part has the desired aspect ratio, and the shape of the part is obtained in order to obtain the shape of the part whose side wall has the desired angle ⁇ .
- the photoresist 30 for patterning is applied in a thickness of 10 .mu.m in order to obtain a thickness of 10 .mu.m for a line width of, for example, 5 .mu.m in the case of wiring of a semiconductor electronic component or a coil, for example.
- exposure is performed from the direction of the arrow through the photomask 40 having a desired part pattern.
- FIG. 1c shows a resist pattern formed by developing the pattern of the part exposed in FIG. 1b.
- the angle ⁇ of both side walls of the resist pattern of the part can be arbitrarily determined by the material of the photoresist 30 applied in FIG. 1b, the film thickness, and the exposure conditions irradiated through the photomask 40. .
- the irradiation intensity of both side walls of the resist pattern may be changed by a 3D lens. Also, the irradiation intensity of both side walls may be changed using a gray mask.
- a desired metal for example Ni
- a desired metal for example Ni
- electrodeposited to a predetermined thickness to cover the resist pattern 30 of FIG. 1c by electroforming, to form a master die 20.
- the master mold 20 electroformed in FIG. 1 d is pulled away from the metal substrate 10.
- the rough surface shape of the roughened layer 15 is transferred to the master mold rough surface layer 17.
- the angle ⁇ of the side walls is conserved at the angle ⁇ shown in FIG.
- the master mold rough surface layer 17 is finally transferred to the sun mold 60 described in FIG. 3 to be used as a transfer mold, and the purpose is to increase the adhesion strength of the insulating layer formed thereon. It does not have to be necessarily. Further, by setting the angle ⁇ to a steep angle of 45 ° to 88 °, the pattern density of the desired device can be improved. Further, the thickness 10 ⁇ m of the photoresist 30 in FIG. 1 c is stored by being transferred to the inverted master die 20.
- FIG. 2 is a manufacturing process diagram of a master mold by beam irradiation according to a second embodiment of the present invention.
- the angle ⁇ is approximately 90 ° in the master mold 20 manufactured by the method described in FIG.
- a photoresist 30 for patterning a reverse pattern of the shape of the part is applied to a predetermined thickness, and exposure is performed from the direction of the arrow through a photomask 40 having the reverse pattern of the part. Therefore, in this case, the resist on the part of the part is developed and removed, and the photoresist 30 remains only on the flat master mold rough surface layer 17.
- the side surface of the pattern of the component is processed by beam irradiation, using the resist pattern formed in FIG. 2b as a protective film, adjusting the irradiation beam so that the angle ⁇ becomes a predetermined angle.
- Arrows indicate the direction of the beam.
- the processed master mold 20 in FIG. 2 d has the same shape as the master mold 20 in FIG. 1 d and has similar functions and features.
- the irradiation beam may be an electron beam, an ion beam, or an FIB (Focused Ion Bean) whose irradiation intensity can be changed by further narrowing the beam.
- FIG. 3 is a manufacturing process diagram of a sun mold according to the present invention.
- a desired metal such as Ni is electrodeposited to a predetermined thickness by electroforming on the pattern surface of the part of the master mold 20 manufactured in FIG. 1 or 2 to form a mother mold 50. Be separated.
- a desired metal such as Ni is electrodeposited on the component pattern surface of the mother die 50 by electroforming to a predetermined thickness, and similarly, a sun die 60 is formed.
- the sun mold 60 electroformed in FIG. 3 c is pulled away from the mother mold 50.
- the sun mold 60 is further transferred and manufactured from the mother mold 50 transferred from the master mold 20, the same functions and features as the master mold 20 are taken over as they are. Further, since the sun mold 60 is integrally formed of the same metal material, a desired aspect ratio can be obtained by performing a desired peeling layer process and an insulating layer process on the sun mold rough surface layer 19 described below. It is possible to obtain a mass-producible transfer mold having an angle .alpha. And an angle .alpha. And which will not be damaged even after repeated use.
- FIG. 4 is a manufacturing process diagram of the transfer mold of the present invention.
- FIG. 4a shows the sun mold 60 created in FIG. 3c.
- the sun mold 60 of FIG. 4b is heat treated under predetermined conditions to peel off the parts to be produced and facilitate grafting, and is subjected to peeling layer treatment to form a NiOx film 70 having a predetermined thickness on the surface. It will be. Since the NiOx film 70 has conductivity, it does not prevent the electrodeposition by electroforming, and the adhesion to the part to be electroformed is also weak, thereby facilitating peeling.
- an insulating layer is formed so that electrodeposition does not occur other than the surface on which the component is formed.
- insulating layer processing is applied to the surface to form the SiO 2 film 80 chemically or physically by sputtering or by applying polysilazane and heat treating it to form the SiO 2 film 80.
- a photoresist 30 for patterning in a predetermined shape is applied on the SiO 2 film 80 to a predetermined thickness, and the component A photoresist work to be exposed from the direction of the arrow is performed through a photomask 40 having a reverse pattern.
- FIG. 4d using the patterned photoresist 30 as a mask, the beam is irradiated from the direction of the arrow to physically remove the SiO 2 film 80 or chemically with hydrofluoric acid or the like.
- both the side walls and the bottom portion are removed together to complete the transfer mold.
- polysilazane after the NiOx film 70 is formed in FIG. 4B in the same process as screen printing, subsequently, polysilazane is printed on the surface of the NiOx film 70 excluding the pattern of the component forming the component. By heat treatment, the same shape as that shown in FIG. 4f can be obtained.
- the release layer process is a metal mold (AlOx, TiOx, etc.), nitride, or organic substance (AlOx, TiOx, etc.) having a thickness of 1 .ANG. (Resist) is applied.
- the insulating layer treatment may be performed using an insulator such as a resist instead of SiO 2 . Note that the treatment process may be reversed between the peeling layer treatment and the insulating layer treatment.
- FIG. 5 is a manufacturing process diagram of a part by the transfer mold of the present invention.
- a desired metal Al, Cu, Ni, etc.
- the electroformed component 95 is implanted to the component substrate 97 through the adhesive 85 or implanted with a green sheet 98 as in the case of FIG. 98 is heat treated and cured.
- the adhesive 85 is not necessary because the component 95 is soft enough to be embedded before curing. In this way, a component 95 having a desired aspect ratio and an angle ⁇ of any shape is formed by electroforming and repeatedly implanted into the device substrate 97 or green sheet 98 for use in each application. Can.
- display parts such as display letters and needles of a watch by electroforming, small gears, mechanical parts such as springs, pipes, diagrams (pressure sensors), wiring of semiconductor devices, coils, etc.
- mechanical parts such as springs, pipes, diagrams (pressure sensors), wiring of semiconductor devices, coils, etc.
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Abstract
Description
15 マスタ金型粗面化層
17 マスタ金型粗面層
18 マザー金型粗面層
19 サン金型粗面層
20 マスタ金型
30 フォトレジスト
40 フォトマスク
50 マザー金型
60 サン金型
70 NiOx
75 剥離処理層
80 SiO2/ポリシラザン
85 接着剤
90 金属基板
95 部品
97 部品基板
98 グリ-ンシート
α 側壁の角度
β 側壁の角度
Claims (9)
- 金属基板上に、所望のアスペクト比を有し、且つ、その側壁が所望の角度αを有する部品形状のレジストパターンを形成するステップと、
前記部品形状のレジストパターンを、電気鋳造により所定の厚さに達するまで埋め尽くして転写金型を作製するステップと、
前記転写金型を前記金属基板から引き離してマスタ金型を作製するステップと、を含むことを特徴とする転写金型の製造方法。 - 金属基板上に、所望のアスペクト比を有し、且つ、その側壁が所望の角度αを有する部品形状のレジストパターンを形成するステップと、
前記部品形状のレジストパターンを、電気鋳造により所定の厚さに達するまで埋め尽くして転写金型を作製するステップと、
前記転写金型を前記金属基板から引き離してマスタ金型を作製するステップと、
前記マスタ金型からマザー金型を経て、サン金型を転写作製するステップと、
前記サン金型に、前記電気鋳造により形成される前記部品の剥離を容易にする剥離層処理と、前記部品形成以外の部分に絶縁層を形成する絶縁層処理とを行ない転写金型を作製するステップと、を含むことを特徴とする転写金型の製造方法。 - 前記金属基板の表面に粗面化層を形成するステップを最初に含むことを特徴とする請求項1又は2に記載の転写金型の製造方法。
- 金属基板上に、所望のアスペクト比を有し、且つ、その側壁の角度が概略90°を有する部品形状のレジストパターンを形成するステップと、
前記部品形状のレジストパターンを、電気鋳造により所定の厚さに達するまで埋め尽くして転写金型を作製するステップと、
前記転写金型を前記金属基板から引き離すステップと、
引き離された前記転写金型上の転写される部品部分を除いた部分にレジストパターン層が残るようにフォトレジストワークを行うステップと、
前記部品形状の側壁の角度が概略90°から90°未満の任意の角度となるよう、前記レジストパターン層を保護層として、ビーム加工し、マスタ金型を作製するステップと、を含むことを特徴とする転写金型の製造方法。 - 金属基板上に、所望のアスペクト比を有し、且つ、その側壁の角度が概略90°を有する部品形状のレジストパターンを形成するステップと、
前記部品形状のレジストパターンを、電気鋳造により所定の厚さに達するまで埋め尽くして転写金型を作製するステップと、
前記転写金型を前記金属基板から引き離すステップと、
引き離された前記転写金型上の転写される部品部分を除いた部分にレジストパターン層が残るようにフォトレジストワークを行うステップと、
前記部品形状の側壁の角度が概略90°から90°未満の任意の角度となるよう、前記レジストパターン層を保護層として、ビーム加工し、マスタ金型を作製するステップと、
前記マスタ金型からマザー金型を経て、サン金型を転写作製するステップと、
前記サン金型に、前記電気鋳造により形成される前記部品の剥離を容易にする剥離層処理と、前記部品形成以外の部分に絶縁層を形成する絶縁層処理とを行い、転写金型を作製するステップと、を含むことを特徴とする転写金型の製造方法。 - 前記金属基板の表面に粗面化層を形成するステップを最初に含むことを特徴とする請求項4又は5に記載の転写金型の製造方法。
- 請求項1、3、4、6のいずれかに記載の転写金型の製造方法により製造され、断面が所望のアスペクト比を有し、側壁の角度が45°~88°を有することを特徴とするマスタ金型。
- 請求項2、3、5、6のいずれかに記載の転写金型の製造方法により製造されたことを特徴とする転写金型。
- 電気鋳造により作製される部品であって、
請求項8に記載の転写金型を用いて、前記電気鋳造により転写製造された部品。
Priority Applications (7)
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US14/358,300 US20140291157A1 (en) | 2011-11-15 | 2011-11-15 | Transfer mold manufacturing method, transfer mold manufactured thereby, and component produced by the transfer mold |
JP2012518642A JP5073878B1 (ja) | 2011-11-15 | 2011-11-15 | 転写金型の製造方法、それによって作製された転写金型、及びその転写金型によって作製された部品 |
EP20110875931 EP2781628A4 (en) | 2011-11-15 | 2011-11-15 | PRODUCTION METHOD FOR TRANSFER MOLD, TRANSFER MOLD PRODUCED THEREFROM, AND COMPONENT PRODUCED USING SAID TRANSFER MOLD |
CN201180074858.7A CN104024487A (zh) | 2011-11-15 | 2011-11-15 | 转印模具的制造方法、利用该方法制造的转印模具以及利用该转印模具制造的零件 |
PCT/JP2011/006355 WO2013072953A1 (ja) | 2011-11-15 | 2011-11-15 | 転写金型の製造方法、それによって作製された転写金型、及びその転写金型によって作製された部品 |
KR1020147016235A KR20140092915A (ko) | 2011-11-15 | 2011-11-15 | 전사 금형의 제조 방법, 그것에 의하여 제작된 전사 금형, 및 그 전사 금형에 의하여 제작된 부품 |
TW101100392A TW201319323A (zh) | 2011-11-15 | 2012-01-05 | 轉印模具的製造方法、利用該方法製造的轉印模具以及利用該轉印模具製造的零件 |
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JP5481002B1 (ja) * | 2013-07-11 | 2014-04-23 | 株式会社Leap | コネクタの製造方法 |
CN103913789A (zh) * | 2014-04-03 | 2014-07-09 | 大连理工大学 | 金属基底上制备高深宽比金属微光栅的方法 |
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CN112776495B (zh) * | 2020-12-16 | 2022-03-18 | 维达力实业(赤壁)有限公司 | Uv转印模具的修复方法及uv转印模具 |
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- 2011-11-15 JP JP2012518642A patent/JP5073878B1/ja active Active
- 2011-11-15 CN CN201180074858.7A patent/CN104024487A/zh active Pending
- 2011-11-15 KR KR1020147016235A patent/KR20140092915A/ko not_active Application Discontinuation
- 2011-11-15 EP EP20110875931 patent/EP2781628A4/en not_active Withdrawn
- 2011-11-15 WO PCT/JP2011/006355 patent/WO2013072953A1/ja active Application Filing
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JP5481002B1 (ja) * | 2013-07-11 | 2014-04-23 | 株式会社Leap | コネクタの製造方法 |
CN103913789A (zh) * | 2014-04-03 | 2014-07-09 | 大连理工大学 | 金属基底上制备高深宽比金属微光栅的方法 |
Also Published As
Publication number | Publication date |
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TW201319323A (zh) | 2013-05-16 |
EP2781628A4 (en) | 2015-03-04 |
EP2781628A1 (en) | 2014-09-24 |
JP5073878B1 (ja) | 2012-11-14 |
CN104024487A (zh) | 2014-09-03 |
JPWO2013072953A1 (ja) | 2015-04-02 |
KR20140092915A (ko) | 2014-07-24 |
US20140291157A1 (en) | 2014-10-02 |
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