WO2001012880A2 - Verfahren zur herstellung einer selbsttragenden kupferfolie - Google Patents
Verfahren zur herstellung einer selbsttragenden kupferfolie Download PDFInfo
- Publication number
- WO2001012880A2 WO2001012880A2 PCT/DE2000/002444 DE0002444W WO0112880A2 WO 2001012880 A2 WO2001012880 A2 WO 2001012880A2 DE 0002444 W DE0002444 W DE 0002444W WO 0112880 A2 WO0112880 A2 WO 0112880A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- copper foil
- copper
- additives
- self
- electrolyte bath
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/09—Use of materials for the conductive, e.g. metallic pattern
-
- 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
- C25D1/04—Wires; Strips; Foils
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/03—Conductive materials
- H05K2201/0332—Structure of the conductor
- H05K2201/0335—Layered conductors or foils
- H05K2201/0355—Metal foils
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/04—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching
- H05K3/041—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching by using a die for cutting the conductive material
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/02—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding
- H05K3/04—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching
- H05K3/046—Apparatus or processes for manufacturing printed circuits in which the conductive material is applied to the surface of the insulating support and is thereafter removed from such areas of the surface which are not intended for current conducting or shielding the conductive material being removed mechanically, e.g. by punching by selective transfer or selective detachment of a conductive layer
Definitions
- the invention relates to a method for producing a self-supporting copper foil which, due to its structure, has a low shear strength and can be embossed with sharp edges, the rotating cathode roller being immersed in a copper electrolyte bath and surrounded by an anode basket
- Copper foil is galvanically deposited and detached from the cathode roller.
- a copper foil that has a low shear strength due to its structure and can be structured with sharp edges, i.e. is embossable is known from EP 0 063 347. How this structure of the copper foil resulting in a low shear strength is realized is not given in more detail in this publication.
- the applicant's earlier patent application 198 57 157 describes a process for producing a self-supporting copper foil which, owing to its structure, has a low shear strength and consequently can be structured with sharp edges, i.e. can be shaped.
- the copper foil is deposited on a rotating roller cathode.
- An anode basket is provided at a distance from the roller cathode.
- a defined DC voltage is applied between the roller cathode and the anode basket during the rotation of the roller cathode in order to deposit the copper foil on the roller cathode.
- At least one additional anode is also provided between the roller cathode and the anode basket, a defined second DC voltage being applied between this and the roller cathode in order to firmly adhere a copper cauliflower structure to the outside of the copper foil facing away from the roller cathode.
- the copper foil formed with the cauliflower structure is provided with a black oxide coating, whereby a comparatively large roughness depth of the copper foil is realized. This large surface roughness results in a correspondingly high pull-off strength of the copper foil imprinted on a substrate, without the need for an adhesive to fix the copper foil to the substrate.
- This older patent application does not make any more detailed statements on the structure of the copper foil.
- a method and a device for producing a metal foil is known from US Pat. No. 4,692,221, a roller cathode being surrounded by an anode basket.
- the anode basket is designed such that there is between it and the Roll cathode results in a first zone with a first gap distance and a second zone with a small gap distance compared to the first gap distance.
- the formation of dendrites is achieved on the relatively smooth surface of the metal foil produced.
- the invention has for its object to provide a method for producing a self-supporting copper foil of the type mentioned, which is excellent for sharp-edged embossing, in particular hot stamping, the method being simple and inexpensive to carry out.
- the self-supporting copper foil produced with the method according to the invention has an increased hardness compared to known copper foils, which is accompanied by a correspondingly increased brittleness.
- This increased brittleness results in the advantageous, increased contour sharpness of the copper foil produced according to the invention when embossed on a substrate.
- known copper foils have a hardness of 169 HV 0.025
- copper foils produced according to the invention have a hardness of 225 HV 0.025.
- the dendritic growth or the lamellar structure of the copper foil produced according to the invention can be further improved in that the rotating cathode roller is specifically flowed against with the standard copper electrolyte provided with the additives. It serves the same purpose if the standard copper electrolyte bath with the additives is heated to a temperature of 30 to 45 ° C.
- FIG. 1 shows a cross section through a self-supporting copper foil produced according to the invention before an etching treatment. From this figure is It can be seen that the copper foil produced according to the invention and having a thickness of 30 ⁇ m has a so-called unoriented type of dispersion of the structure.
- FIG. 2 shows the copper foil according to FIG. 1 produced according to the invention after a corresponding etching treatment. This figure illustrates the characteristic lamellar microstructure of the copper foil produced according to the invention.
- FIG. 3 shows in a micrograph representation similar to Figure 1 a known copper foil of the same wall thickness, i.e. with a thickness of 30 ⁇ m.
- This copper foil which is galvanically produced by a known method, has a structure with a pronounced field-oriented texture.
- FIG. 3 shows the known copper foil in a micrograph - similar to the micrograph according to FIG. 1 - while FIG. 4 shows the copper foil according to FIG. 3 after a corresponding one
- Etching treatment clarified in order to further improve the pronounced field orientation of the structure texture.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroplating And Plating Baths Therefor (AREA)
- Electrolytic Production Of Metals (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU72684/00A AU7268400A (en) | 1999-08-13 | 2000-07-25 | Method for the production of a self-supporting copper foil |
EP00960325A EP1203110A2 (de) | 1999-08-13 | 2000-07-25 | Verfahren zur herstellung einer selbsttragenden kupferfolie |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1999137843 DE19937843C1 (de) | 1999-08-13 | 1999-08-13 | Verfahren zur Herstellung einer selbsttragenden Kupferfolie |
DE19937843.6 | 1999-08-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2001012880A2 true WO2001012880A2 (de) | 2001-02-22 |
WO2001012880A3 WO2001012880A3 (de) | 2001-10-04 |
Family
ID=7917921
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2000/002444 WO2001012880A2 (de) | 1999-08-13 | 2000-07-25 | Verfahren zur herstellung einer selbsttragenden kupferfolie |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1203110A2 (de) |
AU (1) | AU7268400A (de) |
DE (1) | DE19937843C1 (de) |
WO (1) | WO2001012880A2 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255702A1 (de) * | 2002-11-29 | 2004-06-17 | Vipem Hackert Gmbh | Verfahren zur Erzeugung mechanisch strukturierbarer Nichteisen-Metallfolien |
US9243339B2 (en) | 2012-05-25 | 2016-01-26 | Trevor Pearson | Additives for producing copper electrodeposits having low oxygen content |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10133250B4 (de) * | 2001-07-09 | 2005-06-30 | Vipem Hackert Gmbh | Verfahren zur Herstellung eines elektrischen oder elektronischen Kabelbaumes in Form eines flexiblen Laminates |
DE10312693B3 (de) * | 2003-03-21 | 2004-11-04 | Rehau Ag + Co. | Verfahren zum Aufbringen von mindestens einer Leiterbahn auf einem Kunststoffbauteil sowie Spritzgusswerkzeug zur Herstellung eines Kunststoffbauteils mit mindestens einer Leiterbahn |
CN110055560B (zh) * | 2019-04-24 | 2021-02-09 | 福建清景铜箔有限公司 | 电解铜箔的生箔装置及阴极辊的制备方法 |
CN110904472B (zh) * | 2019-11-21 | 2021-06-08 | 湖北中一科技股份有限公司 | 一种防电解铜箔断裂阴极辊及其制备方法 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3769179A (en) * | 1972-01-19 | 1973-10-30 | Kewanee Oil Co | Copper plating process for printed circuits |
US3879270A (en) * | 1974-01-10 | 1975-04-22 | Monsanto Co | Compositions and process for the electrodeposition of metals |
US4692221A (en) * | 1986-12-22 | 1987-09-08 | Olin Corporation | In-situ dendritic treatment of electrodeposited foil |
US5051154A (en) * | 1988-08-23 | 1991-09-24 | Shipley Company Inc. | Additive for acid-copper electroplating baths to increase throwing power |
EP0568733A2 (de) * | 1992-05-06 | 1993-11-10 | Circuit Foil U.S.A. Incorporated | Kupferfolie mit niedrigem Profil sowie Verfahren und Vorrichtung zur Herstellung kaschierbarer Metallfolien |
US5302278A (en) * | 1993-02-19 | 1994-04-12 | Learonal, Inc. | Cyanide-free plating solutions for monovalent metals |
US5366612A (en) * | 1993-04-19 | 1994-11-22 | Magma Copper Company | Process for making copper foil |
US5834140A (en) * | 1995-09-22 | 1998-11-10 | Circuit Foil Japan Co., Ltd. | Electrodeposited copper foil for fine pattern and method for producing the same |
US5863410A (en) * | 1997-06-23 | 1999-01-26 | Circuit Foil Usa, Inc. | Process for the manufacture of high quality very low profile copper foil and copper foil produced thereby |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3116078A1 (de) * | 1981-04-22 | 1983-01-20 | IVO Irion & Vosseler, Zählerfabrik GmbH & Co, 7730 Villingen-Schwenningen | "praegefolie" |
US5019221A (en) * | 1989-01-18 | 1991-05-28 | Yates Industries | Electroplating drum cathode with high current-carrying capability |
-
1999
- 1999-08-13 DE DE1999137843 patent/DE19937843C1/de not_active Expired - Lifetime
-
2000
- 2000-07-25 AU AU72684/00A patent/AU7268400A/en not_active Abandoned
- 2000-07-25 WO PCT/DE2000/002444 patent/WO2001012880A2/de not_active Application Discontinuation
- 2000-07-25 EP EP00960325A patent/EP1203110A2/de not_active Withdrawn
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3769179A (en) * | 1972-01-19 | 1973-10-30 | Kewanee Oil Co | Copper plating process for printed circuits |
US3879270A (en) * | 1974-01-10 | 1975-04-22 | Monsanto Co | Compositions and process for the electrodeposition of metals |
US4692221A (en) * | 1986-12-22 | 1987-09-08 | Olin Corporation | In-situ dendritic treatment of electrodeposited foil |
US5051154A (en) * | 1988-08-23 | 1991-09-24 | Shipley Company Inc. | Additive for acid-copper electroplating baths to increase throwing power |
EP0568733A2 (de) * | 1992-05-06 | 1993-11-10 | Circuit Foil U.S.A. Incorporated | Kupferfolie mit niedrigem Profil sowie Verfahren und Vorrichtung zur Herstellung kaschierbarer Metallfolien |
US5302278A (en) * | 1993-02-19 | 1994-04-12 | Learonal, Inc. | Cyanide-free plating solutions for monovalent metals |
US5366612A (en) * | 1993-04-19 | 1994-11-22 | Magma Copper Company | Process for making copper foil |
US5834140A (en) * | 1995-09-22 | 1998-11-10 | Circuit Foil Japan Co., Ltd. | Electrodeposited copper foil for fine pattern and method for producing the same |
US5863410A (en) * | 1997-06-23 | 1999-01-26 | Circuit Foil Usa, Inc. | Process for the manufacture of high quality very low profile copper foil and copper foil produced thereby |
Non-Patent Citations (1)
Title |
---|
DETTNER H.W.; ELZE J. : "HANDBUCH DER GALVANOTECHNIK. BAND 2. Verfahren f}r die galvanische und stromlose Metallabscheidung. " 1966 , HANSER VERLAG , M]NCHEN, DE XP002157256 Seite 73, Abs{tze 1,2 Seite 65, Zeile 34 -Seite 66, Absatz 1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10255702A1 (de) * | 2002-11-29 | 2004-06-17 | Vipem Hackert Gmbh | Verfahren zur Erzeugung mechanisch strukturierbarer Nichteisen-Metallfolien |
DE10255702B4 (de) * | 2002-11-29 | 2011-08-11 | Vipem Hackert GmbH, 08223 | Verfahren zur Erzeugung mechanisch strukturierbarer Kupferfolien |
US9243339B2 (en) | 2012-05-25 | 2016-01-26 | Trevor Pearson | Additives for producing copper electrodeposits having low oxygen content |
Also Published As
Publication number | Publication date |
---|---|
WO2001012880A3 (de) | 2001-10-04 |
AU7268400A (en) | 2001-03-13 |
DE19937843C1 (de) | 2001-02-08 |
EP1203110A2 (de) | 2002-05-08 |
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