NL7410455A - Magneetkopsamenstelling. - Google Patents

Magneetkopsamenstelling.

Info

Publication number: NL7410455A
Authority: NL; Netherlands
Prior art keywords: magnetic head; head composition; composition; magnetic; head
Prior art date: 1973-08-10

Application number

NL7410455A

Other languages

English (en)

Original Assignee

Ibm

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.)

1973-08-10

Filing date

1974-08-05

Publication date

1975-02-12

1974-08-05 Application filed by Ibm filed Critical Ibm

1975-02-12 Publication of NL7410455A publication Critical patent/NL7410455A/nl

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
- G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
- G11B5/027—Analogue recording
- G11B5/03—Biasing
- 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
- G11B5/265—Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same 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
- Y10T29/49048—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

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)
Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

NL7410455A 1973-08-10 1974-08-05 Magneetkopsamenstelling. NL7410455A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00387564A US3846840A (en)	1973-08-10	1973-08-10	Read/write and longitudinal edge erase head assembly having multiple similarly shaped layers

Publications (1)

Publication Number	Publication Date
NL7410455A true NL7410455A (nl)	1975-02-12

Family

ID=23530425

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7410455A NL7410455A (nl)	1973-08-10	1974-08-05	Magneetkopsamenstelling.

Country Status (10)

Country	Link
US (1)	US3846840A (nl)
JP (1)	JPS5331763B2 (nl)
BE (1)	BE818701A (nl)
CA (1)	CA1031861A (nl)
DE (1)	DE2437094C3 (nl)
FR (1)	FR2240495B1 (nl)
GB (1)	GB1422509A (nl)
IT (1)	IT1015220B (nl)
NL (1)	NL7410455A (nl)
SE (1)	SE400402B (nl)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5118519A (ja) *	1974-08-06	1976-02-14	Matsushita Electric Ind Co Ltd	Jikihetsudosochi
US4115827A (en) *	1975-09-22	1978-09-19	Ampex Corporation	Magnetic transducer for narrow track recording and playback
US4058846A (en) *	1976-06-21	1977-11-15	International Business Machines Corporation	Grounded transducer for magnetic record disks
US4110804A (en) *	1977-07-21	1978-08-29	International Business Machines Corporation	Read/write and tunnel erase magnetic head assembly
NL7803231A (nl) *	1978-03-28	1979-10-02	Philips Nv	Magnetische wiskop.
US4300179A (en) *	1979-09-04	1981-11-10	Minnesota Mining And Manufacturing Co.	Composite magnetic head with multitrack support structure
US4276574A (en) *	1979-12-06	1981-06-30	International Business Machines Corporation	Read/write and tunnel erase magnetic head assembly
JPS56156920A (en) *	1980-04-30	1981-12-03	Toshiba Corp	Composite magnetic head and its production
JPS5769524A (en) *	1980-10-17	1982-04-28	Ricoh Co Ltd	Magnetic head
JPS57120309A (en) *	1981-01-19	1982-07-27	Canon Inc	Manufacture of magnetic core
US4368548A (en) *	1981-01-26	1983-01-18	Glass Henry P	Nestable undercut bedpan
JPS57181424A (en) *	1981-04-30	1982-11-08	Hitachi Metals Ltd	Magnetic head device
JPS5965922A (ja) *	1982-10-07	1984-04-14	Sumitomo Special Metals Co Ltd	磁気ヘツド組立体
EP0110513A3 (en) *	1982-10-19	1985-09-18	EASTMAN KODAK COMPANY (a New Jersey corporation)	Common reluctance path multi-gap magnetic transducer
JPS59185015A (ja) *	1983-04-04	1984-10-20	Hitachi Ltd	磁気ヘツドおよびその製造方法
JPS60226455A (ja) *	1984-04-19	1985-11-11	日立金属株式会社	磁気ヘツド用非磁性セラミツクス
DE3586990T2 (de) *	1984-10-05	1993-04-29	Olympus Optical Co	Kombinierter magnetkopf.
JPS61196412A (ja) *	1985-02-27	1986-08-30	Mitsubishi Electric Corp	磁気ヘツドとその製造方法
JPS61227209A (ja) *	1985-03-30	1986-10-09	Toshiba Corp	磁気ヘツド
US4686596A (en) *	1985-06-27	1987-08-11	Minnesota Mining And Manufacturing Company	Recording head core yoke and method of manufacture
US4750071A (en) *	1985-08-28	1988-06-07	Canon Denshi Kabushiki Kaisha	Magnetic head assembly including a pair of heads disposed in the vicinity of each other
JPH0249207A (ja) *	1988-08-09	1990-02-19	Nec Corp	磁気ヘッド
US20080074227A1 (en) *	2006-09-21	2008-03-27	Ford Global Technologies, Llc	Inductor topologies with substantial common-mode and differential-mode inductance

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3557445A (en) *	1968-01-02	1971-01-26	Honeywell Inc	Method of fabricating slant cores
NL157442B (nl) *	1968-08-22	1978-07-17	Philips Nv	Werkwijze voor het vervaardigen van een poolschoeneenheid voor een magneetkop, alsmede poolschoeneenheid vervaardigd volgens deze werkwijze.

1973
- 1973-08-10 US US00387564A patent/US3846840A/en not_active Expired - Lifetime
1974
- 1974-06-17 FR FR7422157A patent/FR2240495B1/fr not_active Expired
- 1974-06-20 IT IT24189/74A patent/IT1015220B/it active
- 1974-07-09 JP JP7792674A patent/JPS5331763B2/ja not_active Expired
- 1974-07-17 GB GB3160174A patent/GB1422509A/en not_active Expired
- 1974-07-17 SE SE7409316A patent/SE400402B/xx not_active IP Right Cessation
- 1974-08-01 DE DE2437094A patent/DE2437094C3/de not_active Expired
- 1974-08-05 NL NL7410455A patent/NL7410455A/nl not_active Application Discontinuation
- 1974-08-09 BE BE147481A patent/BE818701A/xx not_active IP Right Cessation
- 1974-08-09 CA CA206,753A patent/CA1031861A/en not_active Expired

Also Published As

Publication number	Publication date
SE7409316L (nl)	1975-02-11
BE818701A (fr)	1974-12-02
GB1422509A (en)	1976-01-28
US3846840A (en)	1974-11-05
CA1031861A (en)	1978-05-23
JPS5040118A (nl)	1975-04-12
IT1015220B (it)	1977-05-10
SE400402B (sv)	1978-03-20
FR2240495A1 (nl)	1975-03-07
DE2437094B2 (nl)	1979-07-12
DE2437094C3 (de)	1980-03-06
FR2240495B1 (nl)	1976-06-25
JPS5331763B2 (nl)	1978-09-05
DE2437094A1 (de)	1975-03-20

Legal Events

Date	Code	Title
1980-02-25	BB	A search report has been drawn up
1981-08-03	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1992-04-01	BV	The patent application has lapsed

Publication	Publication Date	Title
NL181607C (nl)	1987-09-16	Zwevende magneetkopsamenstelling.
SE400404B (sv)	1978-03-20	Magnethuvud
SE400403B (sv)	1978-03-20	Magnethuvud
SE401284B (sv)	1978-04-24	Magnetoresistivt magnethuvud
IT1027014B (it)	1978-11-20	Composizione antitraspirante
BR7409822A (pt)	1976-05-25	Composicao adstringente
NL7410455A (nl)	1975-02-12	Magneetkopsamenstelling.
NL7416905A (nl)	1975-07-01	Magnetisch registratiemateriaal.
NL179853C (nl)	1986-11-17	Magneetkop.
NL7409897A (nl)	1975-01-23	Magnetisch registratiemateriaal.
NO143359C (no)	1981-01-21	Magnetisk omformerhode.
NL7410645A (nl)	1975-02-26	Magnetische bandeenheid.
NL7413027A (nl)	1975-04-04	Magnetische wiskop.
NL168982C (nl)	1982-05-17	Slijtage-arme magneetkop.
RO70571A (ro)	1981-09-24	Compozitie erbicida sinergica lichida
NL7413029A (nl)	1975-04-04	Magnetische wiskop.
NL7410301A (nl)	1975-02-04	Gesubstitueerde fenylglycylcefalosporinen.
NL7413066A (nl)	1975-04-10	Gesubstitueerde ureido-s-triazinen.
RO67783A (ro)	1981-08-30	Compozitie erbicida sinergetica
NL7413352A (nl)	1975-04-21	Magneetkop.
SU470856A1 (ru)	1975-05-15	Блок магнитных головок
NL7409384A (nl)	1975-01-14	Toonarm.
SU472317A1 (ru)	1975-05-30	Магнитный феррометр
ES188400Y (es)	1974-09-16	Deslizador insumergible.
ES188721Y (es)	1974-09-16	Juego magnetico.