JPH0322643B2 - - Google Patents
Info
- Publication number
- JPH0322643B2 JPH0322643B2 JP58197482A JP19748283A JPH0322643B2 JP H0322643 B2 JPH0322643 B2 JP H0322643B2 JP 58197482 A JP58197482 A JP 58197482A JP 19748283 A JP19748283 A JP 19748283A JP H0322643 B2 JPH0322643 B2 JP H0322643B2
- Authority
- JP
- Japan
- Prior art keywords
- core
- leg portion
- magnetic
- portions
- transducing
- 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
- 230000002463 transducing effect Effects 0.000 claims abstract description 71
- 230000004907 flux Effects 0.000 claims abstract description 26
- 238000004804 winding Methods 0.000 claims abstract description 20
- 230000001154 acute effect Effects 0.000 claims abstract description 14
- 230000008929 regeneration Effects 0.000 claims description 21
- 238000011069 regeneration method Methods 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 16
- 239000000696 magnetic material Substances 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 description 7
- 239000004593 Epoxy Substances 0.000 description 5
- 238000000429 assembly Methods 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000010951 brass Substances 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 229920002799 BoPET Polymers 0.000 description 1
- 239000005041 Mylar™ Substances 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 241000251131 Sphyrna Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000002648 laminated material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010445 mica Substances 0.000 description 1
- 229910052618 mica group Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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
- G11B5/29—Structure or manufacture of unitary devices formed of plural heads for more than one track
- G11B5/295—Manufacture
-
- 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
-
- 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
- G11B5/245—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features comprising means for controlling the reluctance of the magnetic circuit in a head with single gap, for co-operation with one track
-
- 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
- Y10T29/49055—Fabricating head structure or component thereof with bond/laminating preformed parts, at least two magnetic
-
- 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
- Y10T29/4906—Providing winding
- Y10T29/49066—Preformed winding
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Magnetic Heads (AREA)
- Coils Or Transformers For Communication (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/436,084 US4533967A (en) | 1982-10-22 | 1982-10-22 | Multiple leg multichannel magnetic transducer structure and method of manufacturing |
| US436084 | 1982-10-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5994220A JPS5994220A (ja) | 1984-05-30 |
| JPH0322643B2 true JPH0322643B2 (US20100170793A1-20100708-C00006.png) | 1991-03-27 |
Family
ID=23731050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58197482A Granted JPS5994220A (ja) | 1982-10-22 | 1983-10-21 | 多脚多チヤンネル型磁気トランスジユ−サ組立体およびその製造方法 |
Country Status (5)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3346885A1 (de) * | 1983-12-23 | 1985-07-11 | Siemens AG, 1000 Berlin und 8000 München | Duennschicht-magnetkopf fuer ein senkrecht zu magnetisierendes aufzeichnungsmedium |
| US4649450A (en) * | 1984-12-12 | 1987-03-10 | Ampex Corporation | Modular multichannel magnetic head assembly with accurate channel locations |
| DE3813400A1 (de) * | 1988-04-21 | 1989-11-02 | Thomson Brandt Gmbh | Magnetkopf fuer einen recorder |
| FR2683661B1 (fr) * | 1991-11-08 | 1994-02-04 | Schlumberger Industries | Tete magnetique ayant un systeme de bobinages a compensation des fuites magnetiques. |
| US5381288A (en) * | 1992-06-16 | 1995-01-10 | Applied Magnetics Corporation, Inc. | Center moment suspension assembly |
| US8690848B2 (en) * | 2010-03-02 | 2014-04-08 | Ostosolutions, LLC | Closure for ostomy pouch and method thereof |
| US10130506B2 (en) | 2010-03-02 | 2018-11-20 | Ostosolutions, LLC | Closure system for an ostomy pouch and related methods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4940716A (US20100170793A1-20100708-C00006.png) * | 1972-08-21 | 1974-04-16 | ||
| JPS5698710A (en) * | 1979-12-26 | 1981-08-08 | Ampex | Magnetic converter assembly |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1036529B (de) * | 1954-03-25 | 1958-08-14 | Telefunken Gmbh | Magnetkopf fuer Magnettongeraete |
| US3614830A (en) * | 1969-02-28 | 1971-10-26 | Ibm | Method of manufacturing laminated structures |
| NL162495C (nl) * | 1969-03-10 | Matsushita Electric Ind Co Ltd | Meerkanaals magneetkop. | |
| DE2123072A1 (de) * | 1971-05-10 | 1972-11-16 | Siemens AG, 1000 Berlin und 8000 München | Magnetkopf für Magnetschichtspeichergeräte und Verfahren zu seiner Herstellung |
| US3761641A (en) * | 1971-06-25 | 1973-09-25 | Ampex | Magnetic head with demountable face part assembly |
| PL79727B2 (US20100170793A1-20100708-C00006.png) * | 1972-12-04 | 1975-06-30 | Warszawskie Zaklady Urzadzen Informatyki Meramat Warschau | |
| US3881194A (en) * | 1973-12-17 | 1975-04-29 | Ampex | Electromagnetically switched record/reproduce head having separate windings and core legs for each mode |
| US3964103A (en) * | 1975-05-19 | 1976-06-15 | Shugart Associates, Inc. | Magnetic transducer with trim erase and housing therefor |
| US4158213A (en) * | 1978-06-19 | 1979-06-12 | Spin Physics, Inc. | Multitrack magnetic heads |
| US4594772A (en) * | 1979-12-04 | 1986-06-17 | Odetics, Inc. | Method of manufacturing composite magnetic transducer |
-
1982
- 1982-10-22 US US06/436,084 patent/US4533967A/en not_active Expired - Lifetime
-
1983
- 1983-10-12 EP EP83306183A patent/EP0107446B1/en not_active Expired
- 1983-10-12 DE DE8383306183T patent/DE3376367D1/de not_active Expired
- 1983-10-12 AT AT83306183T patent/ATE33727T1/de not_active IP Right Cessation
- 1983-10-21 JP JP58197482A patent/JPS5994220A/ja active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4940716A (US20100170793A1-20100708-C00006.png) * | 1972-08-21 | 1974-04-16 | ||
| JPS5698710A (en) * | 1979-12-26 | 1981-08-08 | Ampex | Magnetic converter assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0107446B1 (en) | 1988-04-20 |
| EP0107446A1 (en) | 1984-05-02 |
| ATE33727T1 (de) | 1988-05-15 |
| US4533967A (en) | 1985-08-06 |
| JPS5994220A (ja) | 1984-05-30 |
| DE3376367D1 (en) | 1988-05-26 |
