FR1592172A - - Google Patents

Info

Publication number: FR1592172A
Authority: FR; France
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

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.)

1967-11-28

Filing date

1968-10-29

Publication date

1970-05-11

1968-10-29 Application filed filed Critical

1970-05-11 Application granted granted Critical

1970-05-11 Publication of FR1592172A publication Critical patent/FR1592172A/fr

Status Expired legal-status Critical Current

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
- 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
- G11B5/1475—Assembling or shaping of elements
- 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]
- 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
- Y10T29/4998—Combined manufacture including applying or shaping of fluent material
- Y10T29/49982—Coating

Landscapes

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

FR1592172D 1967-11-28 1968-10-29 Expired FR1592172A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US68623667A	1967-11-28	1967-11-28

Publications (1)

Publication Number	Publication Date
FR1592172A true FR1592172A (fr)	1970-05-11

Family

ID=24755487

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1592172D Expired FR1592172A (fr)	1967-11-28	1968-10-29

Country Status (4)

Country	Link
US (1)	US3486220A (fr)
DE (1)	DE1810659A1 (fr)
FR (1)	FR1592172A (fr)
GB (1)	GB1184150A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE754795A (fr) *	1969-08-14	1971-01-18	Bull General Electric	Unite de tetes magnetiques multivoie et son procede de fabrication
GB1415131A (en) *	1974-03-15	1975-11-26	Burroughs Corp	Magnetic transducer head having magnetic shield and wear indicator
US4138702A (en) *	1975-01-23	1979-02-06	Compagnie Honeywell Bull	Head arrangement for perpendicular recording information on a magnetic record carrier
GB1570126A (en) *	1977-03-15	1980-06-25	Data Recording Instr Co	Manufacture of magnetic heads
FR2633429B1 (fr) *	1988-06-24	1990-08-24	Europ Composants Electron	Procede de realisation de la planeite d'une face active pour tete magnetique d'enregistrement/lecture

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3129504A (en) *	1960-10-24	1964-04-21	Dow Chemical Co	Metal fabrication
US3384954A (en) *	1965-12-07	1968-05-28	Ibm	Making multitrack magnetic transducer

1967
- 1967-11-28 US US686236A patent/US3486220A/en not_active Expired - Lifetime
1968
- 1968-10-14 GB GB48539/68A patent/GB1184150A/en not_active Expired
- 1968-10-29 FR FR1592172D patent/FR1592172A/fr not_active Expired
- 1968-11-23 DE DE19681810659 patent/DE1810659A1/de active Pending

Also Published As

Publication number	Publication date
DE1810659A1 (de)	1969-06-26
US3486220A (en)	1969-12-30
GB1184150A (en)	1970-03-11

Publication	Publication Date	Title
AU425114B2 (fr)	1972-06-14
AU416737B2 (fr)	1971-09-03
AU2277767A (fr)	1968-12-12
AU342066A (fr)	1968-09-19
AU2977667A (fr)	1969-05-22
AU2256867A (fr)	1968-12-05
AU1273466A (fr)	1969-04-24
AU2454867A (fr)	1969-01-16
AU3189468A (fr)	1969-07-10
AU3151267A (fr)	1968-01-08
AU2116667A (fr)	1969-04-03
AU2528767A (fr)	1970-01-08
BE426053A (fr)
BE477645A (fr)
BE697484A (fr)	1967-10-02
AU23366A (fr)	1968-07-11
BE509738A (fr)
AU2406369A (fr)	1969-01-09
AU459699A (fr)	1975-04-10
AU25066A (fr)	1968-07-11
BE698565A (fr)	1967-11-17
BE692577A (fr)	1967-06-16
BE710476A (fr)	1968-08-07
BE692332A (fr)	1967-06-16
BE692778A (fr)	1967-07-03

Legal Events

Date	Code	Title	Description
1981-08-28	ST	Notification of lapse