GB1331086A - Method of and apparatus for the multiplication of the effective - Google Patents
Method of and apparatus for the multiplication of the effectiveInfo
- Publication number
- GB1331086A GB1331086A GB4835770A GB4835770A GB1331086A GB 1331086 A GB1331086 A GB 1331086A GB 4835770 A GB4835770 A GB 4835770A GB 4835770 A GB4835770 A GB 4835770A GB 1331086 A GB1331086 A GB 1331086A
- Authority
- GB
- United Kingdom
- Prior art keywords
- current
- plating
- substrate
- band
- oct
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
- C25D17/002—Cell separation, e.g. membranes, diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/60—Electroplating characterised by the structure or texture of the layers
- C25D5/623—Porosity of the layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/07—Current distribution within the bath
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
1331086 Electro-plating CENTER OF SCIENTIFIC & APPLIED RESEARCH Ltd 12 Oct 1970 [13 Oct 1969] 48357/70 Heading C7B A porous metallic coating is formed on a metallic substrate to multiply its effective surface area by electroplating in which plating current is passed successively to small areas of the substrate at densities of at least 80A/cm<SP>2</SP> of the exposed substrate surface. The current may be passed as pulses e.g. at a frequency of 3 C/D and a pulse duration of 40ms for a C.D. of 100A/cm<SP>2</SP>. The plating bath 1 may be divided into two compartments by an insulating partition e.g. diaphragm 2 provided with an opening or slit 5 to expose successively only a small part of the surface of the moving substrate e.g. band 4 on one side of the partition to the plating current from the anode 3 on the other. Preferably the slit extends across the width of the band, being of reduced width at its ends adjacent the band edges. Wire may be plated using pulsed current by passing it through a small diameter glass V-tube inside another V-tube provided with an annular opening.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GR690038564 | 1969-10-13 | ||
GR690025508 | 1969-10-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1331086A true GB1331086A (en) | 1973-09-19 |
Family
ID=26316320
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB4835770A Expired GB1331086A (en) | 1969-10-13 | 1970-10-12 | Method of and apparatus for the multiplication of the effective |
Country Status (2)
Country | Link |
---|---|
US (1) | US3692639A (en) |
GB (1) | GB1331086A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0704558A1 (en) * | 1994-09-29 | 1996-04-03 | Sollac S.A. | Cell for continuous electrodeposition of metal alloys |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4033833A (en) * | 1975-10-30 | 1977-07-05 | Western Electric Company, Inc. | Method of selectively electroplating an area of a surface |
CS220036B1 (en) * | 1981-06-29 | 1983-03-25 | Vaclav Novak | Terminal of scanner of the coulometric meter of the coatings thickness |
US5096550A (en) * | 1990-10-15 | 1992-03-17 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for spatially uniform electropolishing and electrolytic etching |
US5332487A (en) * | 1993-04-22 | 1994-07-26 | Digital Equipment Corporation | Method and plating apparatus |
US5771577A (en) * | 1996-05-17 | 1998-06-30 | General Electric Company | Method for making a fluid cooled article with protective coating |
US5985123A (en) * | 1997-07-09 | 1999-11-16 | Koon; Kam Kwan | Continuous vertical plating system and method of plating |
US6848975B2 (en) * | 2002-04-09 | 2005-02-01 | Rensselaer Polytechnic Institute | Electrochemical planarization of metal feature surfaces |
-
1970
- 1970-09-04 US US69723A patent/US3692639A/en not_active Expired - Lifetime
- 1970-10-12 GB GB4835770A patent/GB1331086A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0704558A1 (en) * | 1994-09-29 | 1996-04-03 | Sollac S.A. | Cell for continuous electrodeposition of metal alloys |
FR2725215A1 (en) * | 1994-09-29 | 1996-04-05 | Lorraine Laminage | CONTINUOUS ELECTRODEPOSITION CELL FOR METAL ALLOYS |
US5582708A (en) * | 1994-09-29 | 1996-12-10 | Sollac | Cell and process for continuously electroplating metal alloys |
Also Published As
Publication number | Publication date |
---|---|
US3692639A (en) | 1972-09-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |