BE570658A - - Google Patents

Info

Publication number: BE570658A
Authority: BE; Belgium

Application number

Priority date (The priority date 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 date listed.)

1957-08-28

Publication of BE570658A publication Critical patent/BE570658A/xx

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
- G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
- 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
- G11B5/1335—Assembling or shaping of elements
- 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
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9265—Special properties
- Y10S428/928—Magnetic property
- 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
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/9335—Product by special process
- Y10S428/939—Molten or fused coating
- 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]
- 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
- Y10T29/49057—Using glass bonding material
- 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
- Y10T29/49075—Electromagnet, transformer or inductor including permanent magnet or core
- Y10T29/49078—Laminated

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)

BE570658D 1957-08-28 BE570658A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL220324		1957-08-28

Publications (1)

Publication Number	Publication Date
BE570658A true BE570658A (de)

Family

ID=19750965

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE570658D BE570658A (de)	1957-08-28

Country Status (9)

Country	Link
US (1)	US3126615A (de)
BE (1)	BE570658A (de)
CA (1)	CA680095A (de)
CH (1)	CH372851A (de)
DE (1)	DE1176199B (de)
FR (1)	FR1210094A (de)
GB (1)	GB895343A (de)
IT (1)	IT592993A (de)
NL (1)	NL106701C (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3187411A (en) *	1960-09-27	1965-06-08	Philips Corp	Method of manufacturing pole-piece units for magnetic heads
US3249987A (en) *	1961-03-30	1966-05-10	Philips Corp	Method of manufacturing magnetic heads
US3224073A (en) *	1962-05-09	1965-12-21	Philips Corp	Method of making multi-track magnetic heads
US3478340A (en) *	1966-03-11	1969-11-11	Ibm	Unitized magnetic assembly
US3656229A (en) *	1968-11-08	1972-04-18	Hitachi Ltd	Process for producing magnetic head
US3760494A (en) *	1970-02-02	1973-09-25	Ceramic Magnetics Inc	Magnetic head assembly
US4298899A (en) *	1979-12-17	1981-11-03	International Business Machines Corporation	Magnetic head assembly with ferrite core
US20030019096A1 (en) *	2001-06-26	2003-01-30	Weihs Timothy P.	Magnetic devices comprising magnetic meta-materials
JP4382333B2 (ja) *	2002-03-28	2009-12-09	株式会社東芝	磁気抵抗効果素子、磁気ヘッド及び磁気再生装置
JP5361201B2 (ja)	2008-01-30	2013-12-04	株式会社東芝	磁気抵抗効果素子の製造方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US567250A (en) *		1896-09-08		Electrical transformer
US2234214A (en) *	1935-07-23	1941-03-11	Laminated Shim Co Inc	Method of producing laminated shims
US2280981A (en) *	1939-10-17	1942-04-28	Bell Telephone Labor Inc	Fabrication of laminated metal objects
US2318095A (en) *	1940-08-17	1943-05-04	Westinghouse Electric & Mfg Co	Core structure
US2481393A (en) *	1945-05-30	1949-09-06	Armour Res Found	Magnetic recording head
US2579560A (en) *	1948-08-19	1951-12-25	Westinghouse Electric Corp	Bonded magnetic core structure
US2615990A (en) *	1949-06-18	1952-10-28	Rca Corp	Magnetic recording and reproduction
US2662120A (en) *	1950-02-18	1953-12-08	Bell Telephone Labor Inc	Magnetic head
US2680285A (en) *	1950-08-28	1954-06-08	Furnas Electric Co	Method of making laminated structures
US2769036A (en) *	1951-04-02	1956-10-30	Ampex Electric Corp	Multiple head for magnetic recording and reproduction
US2769866A (en) *	1951-06-08	1956-11-06	Clevite Corp	Magnetic transducer head
US2902544A (en) *	1953-06-17	1959-09-01	Leonard D Barry	Tapered magnetic head
US2872530A (en) *	1955-06-02	1959-02-03	Rca Corp	Magnetic record transducer

0
- CA CA680095A patent/CA680095A/en not_active Expired
- IT IT592993D patent/IT592993A/it unknown
- US US3126615D patent/US3126615A/en not_active Expired - Lifetime
- BE BE570658D patent/BE570658A/xx unknown
- NL NL106701D patent/NL106701C/xx active
1958
- 1958-08-23 DE DEN15517A patent/DE1176199B/de active Pending
- 1958-08-25 GB GB27193/58A patent/GB895343A/en not_active Expired
- 1958-08-25 CH CH6325858A patent/CH372851A/de unknown
- 1958-08-28 FR FR1210094D patent/FR1210094A/fr not_active Expired

Also Published As

Publication number	Publication date
DE1176199B (de)	1964-08-20
CH372851A (de)	1963-10-31
CA680095A (en)	1964-02-11
US3126615A (en)	1964-03-31
GB895343A (en)	1962-05-02
NL106701C (de)
FR1210094A (fr)	1960-03-07
IT592993A (de)

Publication	Publication Date	Title
IT592993A (de)
DE1066269B (de)
BE573467A (de)
BE624652A (de)
BE571245A (de)
BE568419A (de)
BE564096A (de)
BE566642A (de)
BE565503A (de)
BE565394A (de)
BE564801A (de)
BE563956A (de)
BE557896A (de)	1957-06-15
NL234174A (de)
NL222695A (de)
BE569751A (de)	1958-08-14
BE567372A (de)
BE567323A (de)
BE567311A (de)
BE567253A (de)
BE567232A (de)
BE567135A (de)
BE564455A (de)
BE566672A (de)
BE566430A (de)