NL8401383A - Magneetkop en werkwijze voor zijn vervaardiging. - Google Patents

Magneetkop en werkwijze voor zijn vervaardiging. Download PDF

Info

Publication number: NL8401383A
Authority: NL; Netherlands
Prior art keywords: slit; synthetic resin; pole shoe; magnetic head; limiting
Prior art date: 1983-07-04

Application number

NL8401383A

Other languages

English (en)

Dutch (nl)

Original Assignee

Philips Nv

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.)

1983-07-04

Filing date

1984-05-02

Publication date

1985-02-01

1984-05-02 Application filed by Philips Nv filed Critical Philips Nv

1984-05-02 Priority to NL8401383A priority Critical patent/NL8401383A/nl

1984-06-29 Priority to AT84200944T priority patent/ATE33077T1/de

1984-06-29 Priority to EP84200944A priority patent/EP0130652B1/de

1984-06-29 Priority to DE8484200944T priority patent/DE3469968D1/de

1984-07-03 Priority to KR1019840003840A priority patent/KR920004997B1/ko

1985-02-01 Publication of NL8401383A publication Critical patent/NL8401383A/nl

Links

238000000034 method Methods 0.000 title claims description 27
238000004519 manufacturing process Methods 0.000 title claims description 14
229920003002 synthetic resin Polymers 0.000 claims description 52
239000000057 synthetic resin Substances 0.000 claims description 52
238000000465 moulding Methods 0.000 claims description 49
239000000463 material Substances 0.000 claims description 44
239000003607 modifier Substances 0.000 claims description 29
239000003822 epoxy resin Substances 0.000 claims description 10
229920000647 polyepoxide Polymers 0.000 claims description 10
229920001225 polyester resin Polymers 0.000 claims description 8
239000004645 polyester resin Substances 0.000 claims description 8
239000004925 Acrylic resin Substances 0.000 claims description 7
229920000178 Acrylic resin Polymers 0.000 claims description 6
239000002904 solvent Substances 0.000 claims description 4
239000010410 layer Substances 0.000 description 29
239000011162 core material Substances 0.000 description 20
239000004033 plastic Substances 0.000 description 10
229920003023 plastic Polymers 0.000 description 10
239000000047 product Substances 0.000 description 9
229910000859 α-Fe Inorganic materials 0.000 description 6
239000000853 adhesive Substances 0.000 description 5
230000001070 adhesive effect Effects 0.000 description 5
229910044991 metal oxide Inorganic materials 0.000 description 5
150000004706 metal oxides Chemical class 0.000 description 5
229920005989 resin Polymers 0.000 description 5
239000011347 resin Substances 0.000 description 5
IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 4
ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
239000011521 glass Substances 0.000 description 3
125000006850 spacer group Chemical group 0.000 description 3
BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 3
UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 2
XDLMVUHYZWKMMD-UHFFFAOYSA-N 3-trimethoxysilylpropyl 2-methylprop-2-enoate Chemical compound CO[Si](OC)(OC)CCCOC(=O)C(C)=C XDLMVUHYZWKMMD-UHFFFAOYSA-N 0.000 description 2
239000004593 Epoxy Substances 0.000 description 2
239000011248 coating agent Substances 0.000 description 2
238000000576 coating method Methods 0.000 description 2
QGBSISYHAICWAH-UHFFFAOYSA-N dicyandiamide Chemical compound NC(N)=NC#N QGBSISYHAICWAH-UHFFFAOYSA-N 0.000 description 2
238000001704 evaporation Methods 0.000 description 2
239000011888 foil Substances 0.000 description 2
238000000227 grinding Methods 0.000 description 2
230000005415 magnetization Effects 0.000 description 2
239000006060 molten glass Substances 0.000 description 2
229910052760 oxygen Inorganic materials 0.000 description 2
239000001301 oxygen Substances 0.000 description 2
125000001424 substituent group Chemical group 0.000 description 2
238000004804 winding Methods 0.000 description 2
DHTGRDDBCWWKQJ-UHFFFAOYSA-N 2-(2,2-dihydroxyethoxy)ethane-1,1-diol Chemical compound OC(O)COCC(O)O DHTGRDDBCWWKQJ-UHFFFAOYSA-N 0.000 description 1
SVONRAPFKPVNKG-UHFFFAOYSA-N 2-ethoxyethyl acetate Chemical compound CCOCCOC(C)=O SVONRAPFKPVNKG-UHFFFAOYSA-N 0.000 description 1
LCFVJGUPQDGYKZ-UHFFFAOYSA-N Bisphenol A diglycidyl ether Chemical compound C=1C=C(OCC2OC2)C=CC=1C(C)(C)C(C=C1)=CC=C1OCC1CO1 LCFVJGUPQDGYKZ-UHFFFAOYSA-N 0.000 description 1
BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 1
CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
125000005396 acrylic acid ester group Chemical group 0.000 description 1
238000004026 adhesive bonding Methods 0.000 description 1
125000003545 alkoxy group Chemical group 0.000 description 1
125000000217 alkyl group Chemical group 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
230000001588 bifunctional effect Effects 0.000 description 1
239000000969 carrier Substances 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
210000000078 claw Anatomy 0.000 description 1
230000000052 comparative effect Effects 0.000 description 1
150000001875 compounds Chemical class 0.000 description 1
125000004122 cyclic group Chemical group 0.000 description 1
GYZLOYUZLJXAJU-UHFFFAOYSA-N diglycidyl ether Chemical compound C1OC1COCC1CO1 GYZLOYUZLJXAJU-UHFFFAOYSA-N 0.000 description 1
238000007598 dipping method Methods 0.000 description 1
LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
230000002349 favourable effect Effects 0.000 description 1
239000007789 gas Substances 0.000 description 1
WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
239000003999 initiator Substances 0.000 description 1
230000003993 interaction Effects 0.000 description 1
239000000696 magnetic material Substances 0.000 description 1
238000005259 measurement Methods 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
239000000203 mixture Substances 0.000 description 1
-1 monoethyl glycol Chemical compound 0.000 description 1
229910052755 nonmetal Inorganic materials 0.000 description 1
210000000056 organ Anatomy 0.000 description 1
150000002978 peroxides Chemical class 0.000 description 1
229920003217 poly(methylsilsesquioxane) Polymers 0.000 description 1
229920000728 polyester Polymers 0.000 description 1
239000004848 polyfunctional curative Substances 0.000 description 1
125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
239000002356 single layer Substances 0.000 description 1
239000007787 solid Substances 0.000 description 1
238000004544 sputter deposition Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
229920006305 unsaturated polyester Polymers 0.000 description 1
238000013022 venting Methods 0.000 description 1

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
- G11B5/23—Gap features
- G11B5/232—Manufacture of gap
- 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
- G11B5/23—Gap features
- G11B5/235—Selection of material for gap filler

Landscapes

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

NL8401383A 1983-07-04 1984-05-02 Magneetkop en werkwijze voor zijn vervaardiging. NL8401383A (nl)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
NL8401383A NL8401383A (nl)	1983-07-04	1984-05-02	Magneetkop en werkwijze voor zijn vervaardiging.
AT84200944T ATE33077T1 (de)	1983-07-04	1984-06-29	Magnetkopf und herstellungsverfahren.
EP84200944A EP0130652B1 (de)	1983-07-04	1984-06-29	Magnetkopf und Herstellungsverfahren
DE8484200944T DE3469968D1 (en)	1983-07-04	1984-06-29	Magnetic head and method of manufacturing same
KR1019840003840A KR920004997B1 (ko)	1983-07-04	1984-07-03	자기헤드 및 그 제조방법

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
NL8302364		1983-07-04
NL8302364		1983-07-04
NL8401383A NL8401383A (nl)	1983-07-04	1984-05-02	Magneetkop en werkwijze voor zijn vervaardiging.
NL8401383		1984-05-02

Publications (1)

Publication Number	Publication Date
NL8401383A true NL8401383A (nl)	1985-02-01

Family

ID=26645872

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8401383A NL8401383A (nl)	1983-07-04	1984-05-02	Magneetkop en werkwijze voor zijn vervaardiging.

Country Status (4)

Country	Link
EP (1)	EP0130652B1 (de)
KR (1)	KR920004997B1 (de)
DE (1)	DE3469968D1 (de)
NL (1)	NL8401383A (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS61110317A (ja) *	1984-11-01	1986-05-28	Sanyo Electric Co Ltd	磁気ヘツド
NL8501491A (nl) *	1985-05-24	1986-12-16	Philips Nv	Magneetkern.
KR102694748B1 (ko) *	2017-02-03	2024-08-13	주식회사 디엔솔루션즈	공작기계

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE961662C (de) *	1953-09-10	1957-04-11	Telefunken Gmbh	Spaltfuellung fuer Magnetisierungskopf
GB917824A (en) *	1958-05-12	1963-02-06	Thermionic Products Electronic	Improvements in or relating to magnetic transducing heads
DE1184979B (de) *	1958-06-04	1965-01-07	Loewe Opta Ag	Verfahren zur Herstellung eines Aufnahme- und/oder Wiedergabemagnetkopfes
US3188400A (en) *	1961-01-09	1965-06-08	Ampex	Ferrite coating
US3229355A (en) *	1962-01-02	1966-01-18	Ibm	Method of making a magnetic transducer head
US3494026A (en) *	1962-08-13	1970-02-10	Matsushita Electric Industrial Co Ltd	Methods for manufacturing magnetic heads
FR1506202A (fr) *	1966-01-11	1967-12-15	Clevite Corp	Tête transductrice magnétique
BE754795A (fr) *	1969-08-14	1971-01-18	Bull General Electric	Unite de tetes magnetiques multivoie et son procede de fabrication
AU416635B2 (en) *	1969-09-29	1971-08-27	The Australian National University	A method of bonding metal to metal or other materials
AT332508B (de) *	1974-12-06	1976-10-11	Teich Ag Folienwalzwerk	Verfahren zum aufbringen eines haftvermittlers
AT340158B (de) *	1976-05-17	1977-11-25	Eumig	Verfahren zur herstellung eines magnetkopfes und nach diesem verfahren hergestellter magnetkopf
JPS53123913A (en) *	1977-04-05	1978-10-28	Olympus Optical Co Ltd	Magnetic head and production of the same
US4172318A (en) *	1977-08-17	1979-10-30	Huntt Robert L	Method of joining manganese zinc ferrite pole pieces
US4247354A (en) *	1978-10-02	1981-01-27	Union Carbide Corporation	Bonding thermoplastic or thermosetting resins
NL8101515A (nl) *	1981-03-27	1982-10-18	Philips Nv	Optisch uitleesbare informatieschijf en werkwijze voor de vervaardiging ervan.

1984
- 1984-05-02 NL NL8401383A patent/NL8401383A/nl not_active Application Discontinuation
- 1984-06-29 DE DE8484200944T patent/DE3469968D1/de not_active Expired
- 1984-06-29 EP EP84200944A patent/EP0130652B1/de not_active Expired
- 1984-07-03 KR KR1019840003840A patent/KR920004997B1/ko not_active Expired

Also Published As

Publication number	Publication date
KR920004997B1 (ko)	1992-06-22
KR850001596A (ko)	1985-03-30
DE3469968D1 (en)	1988-04-21
EP0130652A1 (de)	1985-01-09
EP0130652B1 (de)	1988-03-16

Legal Events

Date	Code	Title	Description
1990-01-02	BV	The patent application has lapsed

Publication	Publication Date	Title
JPS5961105A (ja)	1984-04-07	磁気記録媒体
DE19621745A1 (de)	1996-12-12	Eine Polydimethylsiloxan umfassende strahlungshärtbare Zusammensetzung
JPH0358320A (ja)	1991-03-13	磁気記録媒体に対する保護層
EP0130652B1 (de)	1988-03-16	Magnetkopf und Herstellungsverfahren
US4745505A (en)	1988-05-17	Magnetic head with a modified gap filler
JPH0349053A (ja)	1991-03-01	光記録媒体
JPH03290808A (ja)	1991-12-20	磁気ヘッド
JPH03252921A (ja)	1991-11-12	磁気記録媒体
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JP2000331811A (ja)	2000-11-30	磁石粉末成形体の塗装方法および塗装した磁石
SU594157A1 (ru)	1978-02-25	Способ склеивани ферромагнитных пластин
JPS5928243A (ja)	1984-02-14	磁気記録媒体
JP2741533B2 (ja)	1998-04-22	光ディスク
US4401725A (en)	1983-08-30	Magnetic recording medium
JPS6314406B2 (de)	1988-03-30
JPS56169238A (en)	1981-12-25	Magnetooptical storage disk
JP2996826B2 (ja)	2000-01-11	磁気ヘッドの製造方法および磁気ヘッド
JP2000021019A (ja)	2000-01-21	情報担体用樹脂製ディスク基板
JPS63291205A (ja)	1988-11-29	磁気ヘツド
JPH03162725A (ja)	1991-07-12	情報記録媒体、情報記録媒体収納用ケース、およびそれらの製造方法
JP2816208B2 (ja)	1998-10-27	情報記録媒体、情報記録媒体収納用ケース、およびそれらの製造方法
JPH038110A (ja)	1991-01-16	磁気テープ
JPS59157828A (ja)	1984-09-07	磁気記録媒体
JPS61208621A (ja)	1986-09-17	磁気デイスク
SU1727165A1 (ru)	1992-04-15	Магнитна головка