AU3119784A - Vertical recording head - Google Patents

Vertical recording head

Info

Publication number: AU3119784A
Authority: AU; Australia
Prior art keywords: recording head; vertical recording; vertical; head; recording
Prior art date: 1983-11-04
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.): Abandoned

Application number

AU31197/84A

Inventor

Nan-Hsiung Yeh

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Control Data Corp

Original Assignee

Control Data Corp

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.)

1983-11-04

Filing date

1984-07-26

Publication date

1985-05-09

1984-07-26 Application filed by Control Data Corp filed Critical Control Data Corp

1985-05-09 Publication of AU3119784A publication Critical patent/AU3119784A/en

Status Abandoned 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
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
- 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
- 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
- G11B5/1278—Structure or manufacture of heads, e.g. inductive specially adapted for magnetisations perpendicular to the surface of the record carrier
- 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

Landscapes

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

AU31197/84A 1983-11-04 1984-07-26 Vertical recording head Abandoned AU3119784A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US54879283A	1983-11-04	1983-11-04
US548792		1983-11-04

Publications (1)

Publication Number	Publication Date
AU3119784A true AU3119784A (en)	1985-05-09

Family

ID=24190419

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU31197/84A Abandoned AU3119784A (en)	1983-11-04	1984-07-26	Vertical recording head

Country Status (5)

Country	Link
JP (1)	JPS60103509A (en)
AU (1)	AU3119784A (en)
DE (1)	DE3424651A1 (en)
FR (1)	FR2554624A1 (en)
GB (1)	GB2149186A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0166890B1 (en) *	1984-05-04	1988-12-14	Siemens Aktiengesellschaft	Thin-layer double-gap magnetic head for a perpendicularly magnetized recording medium
US4644432A (en) *	1985-01-28	1987-02-17	International Business Machines	Three pole single element magnetic read/write head
EP0232505A1 (en) *	1985-12-20	1987-08-19	Siemens Aktiengesellschaft	Magnetic storage device with a recording medium to be magnetized perpendicularly
US5159511A (en)	1987-04-01	1992-10-27	Digital Equipment Corporation	Biasing conductor for MR head
US4935832A (en) *	1987-04-01	1990-06-19	Digital Equipment Corporation	Recording heads with side shields
US4907113A (en) *	1987-07-29	1990-03-06	Digital Equipment Corporation	Three-pole magnetic recording head
US5103553A (en) *	1987-07-29	1992-04-14	Digital Equipment Corporation	Method of making a magnetic recording head
US5111352A (en) *	1987-07-29	1992-05-05	Digital Equipment Corporation	Three-pole magnetic head with reduced flux leakage
US4897749A (en) *	1988-03-16	1990-01-30	Magnetic Peripherals Inc.	Combination probe and ring head for vertical recording
JPH081687B2 (en) *	1988-09-27	1996-01-10	富士通株式会社	Perpendicular magnetization thin film head
US5729413A (en) *	1995-12-20	1998-03-17	Ampex Corporation	Two-gap magnetic read/write head

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3334192A (en) *	1961-07-24	1967-08-01	Iit Res Inst	Cross field magnetic transducer head
GB998244A (en) *	1964-01-13	1965-07-14	Zeuthen & Aagaard As	Improvements in and relating to a magnetic head
FR2205701B1 (en) *	1972-11-07	1977-08-05	Cii
US4097909A (en) *	1976-12-20	1978-06-27	International Business Machines Corporation	Magnetic transducer with inner and outer magnetic medium cooperating surface zones of different convexity
JPS56165918A (en) *	1980-05-23	1981-12-19	Ricoh Co Ltd	Vertical magnetic recorder and reproducer
JPS5737713A (en) *	1980-08-20	1982-03-02	Seiko Epson Corp	Vertical magnetic recording head
IT1129437B (en) *	1980-12-16	1986-06-04	Olivetti & Co Spa	MAGNETIC HEAD
JPS57164412A (en) *	1981-03-31	1982-10-09	Fujitsu Ltd	Magnetic head

1984
- 1984-07-04 DE DE19843424651 patent/DE3424651A1/en not_active Withdrawn
- 1984-07-18 GB GB08418238A patent/GB2149186A/en not_active Withdrawn
- 1984-07-26 AU AU31197/84A patent/AU3119784A/en not_active Abandoned
- 1984-08-21 JP JP17255484A patent/JPS60103509A/en active Pending
- 1984-08-24 FR FR8413216A patent/FR2554624A1/en active Pending

Also Published As

Publication number	Publication date
GB8418238D0 (en)	1984-08-22
FR2554624A1 (en)	1985-05-10
JPS60103509A (en)	1985-06-07
DE3424651A1 (en)	1985-05-15
GB2149186A (en)	1985-06-05

Publication	Publication Date	Title
AU560700B2 (en)	1987-04-16	Magnetic head
GB8424066D0 (en)	1984-10-31	Recording medium
GB8407647D0 (en)	1984-05-02	Recording medium
GB2148147B (en)	1987-04-29	Recording medium
EP0147749A3 (en)	1987-04-01	Optical head
AU568264B2 (en)	1987-12-17	Head positioning
GB2140959B (en)	1986-03-12	Recording medium
AU3119784A (en)	1985-05-09	Vertical recording head
GB2141639B (en)	1986-10-01	Recording member
HK70091A (en)	1991-09-06	Recording member
AU582736B2 (en)	1989-04-13	Magnetic transducer head
EP0147620A3 (en)	1987-08-05	Optical head
GB8432710D0 (en)	1985-02-06	Recording medium
GB2164783B (en)	1988-02-03	Recording/reproducing apparatus
GB8415385D0 (en)	1984-07-18	Needle-carying head
EP0127845A3 (en)	1986-08-20	Optical head
GB2123349B (en)	1986-01-29	Recording head
GB8431356D0 (en)	1985-01-23	Recording medium
HK70491A (en)	1991-09-13	Recording apparatus
GB8426805D0 (en)	1984-11-28	Sound recording interface
GB8432585D0 (en)	1985-02-06	Tape heads
GB8511182D0 (en)	1985-06-12	Recording/reproducing apparatus
AU571515B2 (en)	1988-04-21	Head bail
AU544748B2 (en)	1985-06-13	Bed head
AU564893B2 (en)	1987-08-27	Magnetic head