CA947956A - Magnetic head assembly - Google Patents
Magnetic head assemblyInfo
- Publication number
- CA947956A CA947956A CA103,628A CA103628A CA947956A CA 947956 A CA947956 A CA 947956A CA 103628 A CA103628 A CA 103628A CA 947956 A CA947956 A CA 947956A
- Authority
- CA
- Canada
- Prior art keywords
- magnetic head
- head assembly
- assembly
- magnetic
- head
- 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
-
- 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
- G11B5/1272—Assembling or shaping of elements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4682—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on BaTiO3 perovskite phase
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/46—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates
- C04B35/462—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates
- C04B35/465—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates
- C04B35/468—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates
- C04B35/4686—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on titanium oxides or titanates based on titanates based on alkaline earth metal titanates based on barium titanates based on phases other than BaTiO3 perovskite phase
-
- 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
- G11B5/10—Structure or manufacture of housings or shields for heads
- G11B5/105—Mounting of head within housing or assembling of head and housing
-
- 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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
-
- 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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- G11B5/23—Gap features
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49041—Fabricating head structure or component thereof including measuring or testing with significant slider/housing shaping or treating
-
- 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Magnetic Heads (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US686570A | 1970-01-29 | 1970-01-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA947956A true CA947956A (en) | 1974-05-28 |
Family
ID=21722998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA103,628A Expired CA947956A (en) | 1970-01-29 | 1971-01-25 | Magnetic head assembly |
Country Status (5)
Country | Link |
---|---|
US (1) | US3735052A (ja) |
CA (1) | CA947956A (ja) |
DE (1) | DE2102997A1 (ja) |
FR (1) | FR2075466A5 (ja) |
GB (1) | GB1276073A (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4030189A (en) * | 1973-02-21 | 1977-06-21 | Compagnie Internationale Pour L'informatique | Method of making magnetic head devices |
US3922776A (en) * | 1974-05-13 | 1975-12-02 | Vrc California | Method for making narrow track ferrite core flying pads |
US4017965A (en) * | 1975-06-16 | 1977-04-19 | Burroughs Corporation | Method of making a transducer head with narrow core structure |
US4298899A (en) * | 1979-12-17 | 1981-11-03 | International Business Machines Corporation | Magnetic head assembly with ferrite core |
JPS5859147A (ja) * | 1981-09-29 | 1983-04-08 | Fuji Photo Film Co Ltd | 帯状物搬送用セラミツクガイド及びその製造方法 |
US4443825A (en) * | 1981-12-30 | 1984-04-17 | North American Philips Corporation | Magnetic head pole piece mount of TiO2 -CaO |
FR2523753A1 (fr) * | 1982-03-19 | 1983-09-23 | Europ Composants Electron | Tete magnetique multi-pistes et son procede de fabrication |
JPS5911527A (ja) * | 1982-07-09 | 1984-01-21 | Comput Basic Mach Technol Res Assoc | 薄膜磁気ヘツドおよびその製造方法 |
JPS5977617A (ja) * | 1982-10-25 | 1984-05-04 | Sony Corp | 薄膜磁気ヘツドの製造方法 |
DE3583619D1 (de) * | 1984-01-14 | 1991-09-05 | Ngk Insulators Ltd | Magnetkopfkern und herstellungsverfahren. |
US4833556A (en) * | 1987-12-22 | 1989-05-23 | Eastman Kodak Company | Low drag stabilizer device for stabilizing the interface between a transducer and a moving medium |
AU589846B2 (en) * | 1988-01-07 | 1989-10-19 | Sanyo Electric Co., Ltd. | Process for producing magnetic head of floating type |
JPH02263732A (ja) * | 1989-04-05 | 1990-10-26 | Alps Electric Co Ltd | 磁気ヘッド用吸光融着性ガラス |
JP2001195707A (ja) * | 2000-01-14 | 2001-07-19 | Alps Electric Co Ltd | 薄膜磁気ヘッド及びその製造方法 |
CN108395242B (zh) * | 2018-03-21 | 2020-11-20 | 宜兴市九荣特种陶瓷有限公司 | 一种陶瓷粉体、应用该粉体的导丝轮及其制备方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2626220A (en) * | 1947-05-20 | 1953-01-20 | Thurnauer Hans | Insulating materials |
US3562444A (en) * | 1968-02-29 | 1971-02-09 | Ibm | Recording head assembly |
-
1971
- 1971-01-07 FR FR7100854A patent/FR2075466A5/fr not_active Expired
- 1971-01-18 GB GB2319/71A patent/GB1276073A/en not_active Expired
- 1971-01-22 DE DE19712102997 patent/DE2102997A1/de active Pending
- 1971-01-25 CA CA103,628A patent/CA947956A/en not_active Expired
- 1971-07-16 US US00163196A patent/US3735052A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US3735052A (en) | 1973-05-22 |
FR2075466A5 (ja) | 1971-10-08 |
GB1276073A (en) | 1972-06-01 |
DE2102997A1 (de) | 1971-08-05 |
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