NL168982C - Slijtage-arme magneetkop. - Google Patents

Slijtage-arme magneetkop.

Info

Publication number: NL168982C
Authority: NL; Netherlands
Prior art keywords: wear; magnetic head; less magnetic; less; head
Prior art date: 1973-09-04

Application number

NL7410743A

Other languages

English (en)

Other versions

NL168982B (nl

NL7410743A (nl

Original Assignee

Siemens Ag

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.)

1973-09-04

Filing date

1974-08-09

Publication date

1982-05-17

1974-08-09 Application filed by Siemens Ag filed Critical Siemens Ag

1975-03-06 Publication of NL7410743A publication Critical patent/NL7410743A/nl

1981-12-16 Publication of NL168982B publication Critical patent/NL168982B/nl

1982-05-17 Application granted granted Critical

1982-05-17 Publication of NL168982C publication Critical patent/NL168982C/nl

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
- G11B5/255—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 protection against wear

Landscapes

Engineering & Computer Science (AREA)
Manufacturing & Machinery (AREA)
Magnetic Heads (AREA)
Coating By Spraying Or Casting (AREA)

NL7410743A 1973-09-04 1974-08-09 Slijtage-arme magneetkop. NL168982C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19732344561 DE2344561C3 (de)	1973-09-04	1973-09-04	Verschleißarmer Magnetkopf

Publications (3)

Publication Number	Publication Date
NL7410743A NL7410743A (nl)	1975-03-06
NL168982B NL168982B (nl)	1981-12-16
NL168982C true NL168982C (nl)	1982-05-17

Family

ID=5891588

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7410743A NL168982C (nl)	1973-09-04	1974-08-09	Slijtage-arme magneetkop.

Country Status (6)

Country	Link
BE (1)	BE819521A (nl)
DE (1)	DE2344561C3 (nl)
FR (1)	FR2242743B1 (nl)
GB (1)	GB1476943A (nl)
IT (1)	IT1020276B (nl)
NL (1)	NL168982C (nl)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2741470B1 (fr) *	1995-11-22	1998-01-02	Commissariat Energie Atomique	Procede de realisation d'une tete magnetique planaire et tete obtenue par ce procede
US4130847A (en) *	1977-03-31	1978-12-19	International Business Machines Corporation	Corrosion resistant thin film head assembly and method for making
US4745509A (en) *	1981-08-21	1988-05-17	Matsushita Electric Industrial Company, Limited	Magnetic head with improved supporter for perpendicular magnetization recording
JPS5977617A (ja) *	1982-10-25	1984-05-04	Sony Corp	薄膜磁気ヘツドの製造方法
JPS59152515A (ja) *	1983-02-18	1984-08-31	Victor Co Of Japan Ltd	垂直磁化型磁気ヘツド
DE3307776A1 (de) *	1983-03-04	1984-09-06	Siemens AG, 1000 Berlin und 8000 München	Aufzeichnungsanordnung fuer einen magnetschichtspeicher

1973
- 1973-09-04 DE DE19732344561 patent/DE2344561C3/de not_active Expired
1974
- 1974-08-09 NL NL7410743A patent/NL168982C/nl not_active IP Right Cessation
- 1974-08-28 GB GB3752974A patent/GB1476943A/en not_active Expired
- 1974-08-29 IT IT2671374A patent/IT1020276B/it active
- 1974-08-29 FR FR7429510A patent/FR2242743B1/fr not_active Expired
- 1974-09-04 BE BE148186A patent/BE819521A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2344561A1 (de)	1975-04-17
NL168982B (nl)	1981-12-16
DE2344561C3 (de)	1978-08-31
BE819521A (fr)	1975-03-04
IT1020276B (it)	1977-12-20
NL7410743A (nl)	1975-03-06
FR2242743B1 (nl)	1977-11-04
FR2242743A1 (nl)	1975-03-28
DE2344561B2 (de)	1977-12-29
GB1476943A (en)	1977-06-16

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Legal Events

Date	Code	Title
1980-01-25	BB	A search report has been drawn up
1980-06-25	BC	A request for examination has been filed
1983-04-18	V1	Lapsed because of non-payment of the annual fee