US3090734A - Bath for galvanic production of magnetically high-grade coatings - Google Patents
Bath for galvanic production of magnetically high-grade coatings Download PDFInfo
- Publication number
- US3090734A US3090734A US153231A US15323161A US3090734A US 3090734 A US3090734 A US 3090734A US 153231 A US153231 A US 153231A US 15323161 A US15323161 A US 15323161A US 3090734 A US3090734 A US 3090734A
- Authority
- US
- United States
- Prior art keywords
- bath
- galvanic production
- galvanic
- cobalt
- trimethylborazane
- 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 - Lifetime
Links
- 238000000576 coating method Methods 0.000 title description 4
- 238000004519 manufacturing process Methods 0.000 title description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 150000003839 salts Chemical class 0.000 claims description 6
- 239000000654 additive Substances 0.000 claims description 4
- 230000000996 additive effect Effects 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 3
- 239000010941 cobalt Substances 0.000 claims description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 4
- 230000005415 magnetization Effects 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 235000019270 ammonium chloride Nutrition 0.000 description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- KTVIXTQDYHMGHF-UHFFFAOYSA-L cobalt(2+) sulfate Chemical compound [Co+2].[O-]S([O-])(=O)=O KTVIXTQDYHMGHF-UHFFFAOYSA-L 0.000 description 2
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- -1 alkali metal thiocyanate Chemical class 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- JBANFLSTOJPTFW-UHFFFAOYSA-N azane;boron Chemical compound [B].N JBANFLSTOJPTFW-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 150000001868 cobalt Chemical class 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000005246 galvanizing Methods 0.000 description 1
- ZMZDMBWJUHKJPS-UHFFFAOYSA-N hydrogen thiocyanate Natural products SC#N ZMZDMBWJUHKJPS-UHFFFAOYSA-N 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
-
- 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
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- 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
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/24—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids
- H01F41/26—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates from liquids using electric currents, e.g. electroplating
Definitions
- the object of the invention is a bath for galvanic production of magnetically high-grade coatings, characterized by containing trimethylborazane.
- Such baths are, e.g.: iron. nickel and cobalt baths, the metal salt concentrations of which can vary.
- a trimethylborazane content in small amounts of e.g. 0.1 g./l. to 10 g./l., preferably 0.5 g./l. to 4 g./l., in such baths, act to raise the remanence by about 50%. At the same time it acts as a brilliance additive.
- Example I (a) In a galvanic bath with 100 g./l. cobalt sulphate, a chemically plated synthetic resin toll is suspended, measuring 50 x 60 mm.
- the anode consists of nickel; the anode gap is 8 cm.
- the pH-value of the aqueous A direct current of 0.5 A. is passed for 8 minutes at a bath temperature of 40 C.
- Example 2 In a galvanic bath with 100 g./l. cobalt chloride, 100 ./l. nickel chloride and 50 g./1. ammonium chloride, alvanizing is carried out as in Example 1.
- Example 3 In a galvanic bath with 50 g./l. ferrous sulphate, 50 g./l. cobalt chloride, 25 g./l. nickel chloride and 50 g./l. ammonium chloride, galvanizing is carried out as described in Example 1.
- a bath for electrolytic disposition of films having improved magnetic properties comprising an aqueous solution of a salt of a metal selected from the group consisting of iron, cobalt, and nickel, and, as an additive to provide said improvement, 2. small but effective amount of trimethylborazane.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Hard Magnetic Materials (AREA)
- Chemically Coating (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DEF32585A DE1128246B (de) | 1960-11-19 | 1960-11-19 | Bad zum galvanischen Abscheiden magnetisch hochwertiger Metallueberzuege |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3090734A true US3090734A (en) | 1963-05-21 |
Family
ID=7094694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US153231A Expired - Lifetime US3090734A (en) | 1960-11-19 | 1961-11-17 | Bath for galvanic production of magnetically high-grade coatings |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US3090734A (de) |
| BE (1) | BE610496A (de) |
| CH (1) | CH411509A (de) |
| DE (1) | DE1128246B (de) |
| GB (1) | GB916900A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0055377A3 (en) * | 1980-12-31 | 1982-12-29 | International Business Machines Corporation | Method of depositing nickel-iron-boron alloy magnetic films |
-
1960
- 1960-11-19 DE DEF32585A patent/DE1128246B/de active Pending
-
1961
- 1961-11-13 CH CH1315961A patent/CH411509A/de unknown
- 1961-11-17 US US153231A patent/US3090734A/en not_active Expired - Lifetime
- 1961-11-20 GB GB41491/61A patent/GB916900A/en not_active Expired
- 1961-11-20 BE BE610496A patent/BE610496A/fr unknown
Non-Patent Citations (1)
| Title |
|---|
| None * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0055377A3 (en) * | 1980-12-31 | 1982-12-29 | International Business Machines Corporation | Method of depositing nickel-iron-boron alloy magnetic films |
Also Published As
| Publication number | Publication date |
|---|---|
| GB916900A (en) | 1963-01-30 |
| DE1128246B (de) | 1962-04-19 |
| CH411509A (de) | 1966-04-15 |
| BE610496A (fr) | 1962-03-16 |
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