NL6717641A - - Google Patents
Info
- Publication number
- NL6717641A NL6717641A NL6717641A NL6717641A NL6717641A NL 6717641 A NL6717641 A NL 6717641A NL 6717641 A NL6717641 A NL 6717641A NL 6717641 A NL6717641 A NL 6717641A NL 6717641 A NL6717641 A NL 6717641A
- Authority
- NL
- Netherlands
Links
Classifications
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- 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
- H01F41/02—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 manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0233—Manufacturing of magnetic circuits made from sheets
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/147—Structure or manufacture of heads, e.g. inductive with cores being composed of metal sheets, i.e. laminated cores with cores composed of isolated magnetic layers, e.g. sheets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR89828A FR1513498A (fr) | 1967-01-03 | 1967-01-03 | Procédé de fabrication de noyaux magnétiques |
Publications (2)
Publication Number | Publication Date |
---|---|
NL6717641A true NL6717641A (de) | 1968-07-04 |
NL156854B NL156854B (nl) | 1978-05-16 |
Family
ID=8623336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL6717641A NL156854B (nl) | 1967-01-03 | 1967-12-22 | Werkwijze voor het vervaardigen van gelamelleerde magneetkernen. |
Country Status (4)
Country | Link |
---|---|
DE (1) | DE1549070C3 (de) |
FR (1) | FR1513498A (de) |
GB (1) | GB1207196A (de) |
NL (1) | NL156854B (de) |
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1967
- 1967-01-03 FR FR89828A patent/FR1513498A/fr not_active Expired
- 1967-12-22 NL NL6717641A patent/NL156854B/xx not_active IP Right Cessation
- 1967-12-30 DE DE1967S0113574 patent/DE1549070C3/de not_active Expired
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1968
- 1968-01-03 GB GB51268A patent/GB1207196A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
NL156854B (nl) | 1978-05-16 |
DE1549070C3 (de) | 1978-08-10 |
DE1549070A1 (de) | 1971-02-18 |
DE1549070B2 (de) | 1977-12-22 |
GB1207196A (en) | 1970-09-30 |
FR1513498A (fr) | 1968-02-16 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
V1 | Lapsed because of non-payment of the annual fee | ||
NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: SCHLUMBERGER |