NL7806433A - Het electrolytisch etsen van een voorwerp van ferriet. - Google Patents

Het electrolytisch etsen van een voorwerp van ferriet.

Info

Publication number: NL7806433A
Authority: NL; Netherlands
Prior art keywords: ferrite; electrolytic etching; electrolytic; etching
Prior art date: 1977-06-14

Application number

NL7806433A

Other languages

English (en)

Original Assignee

Sony 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.)

1977-06-14

Filing date

1978-06-14

Publication date

1978-12-18

1978-06-14 Application filed by Sony Corp filed Critical Sony Corp

1978-12-18 Publication of NL7806433A publication Critical patent/NL7806433A/nl

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/53—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone involving the removal of at least part of the materials of the treated article, e.g. etching, drying of hardened concrete
- C04B41/5338—Etching
- C04B41/5353—Wet etching, e.g. with etchants dissolved in organic solvents
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/91—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics involving the removal of part of the materials of the treated articles, e.g. etching
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing
- C25F3/02—Etching
- 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
- G11B5/133—Structure or manufacture of heads, e.g. inductive with cores composed of particles, e.g. with dust cores, with ferrite cores with cores composed of isolated magnetic particles
- G11B5/1335—Assembling or shaping of elements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/34—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials non-metallic substances, e.g. ferrites
- H01F1/342—Oxides
- H01F1/344—Ferrites, e.g. having a cubic spinel structure (X2+O)(Y23+O3), e.g. magnetite Fe3O4

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Ceramic Engineering (AREA)
Materials Engineering (AREA)
Organic Chemistry (AREA)
Structural Engineering (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Metallurgy (AREA)
Manufacturing & Machinery (AREA)
Dispersion Chemistry (AREA)
Power Engineering (AREA)
Magnetic Heads (AREA)
Soft Magnetic Materials (AREA)

NL7806433A 1977-06-14 1978-06-14 Het electrolytisch etsen van een voorwerp van ferriet. NL7806433A (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP52070231A JPS6047725B2 (ja)	1977-06-14	1977-06-14	フエライトの加工法

Publications (1)

Publication Number	Publication Date
NL7806433A true NL7806433A (nl)	1978-12-18

Family

ID=13425573

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL7806433A NL7806433A (nl)	1977-06-14	1978-06-14	Het electrolytisch etsen van een voorwerp van ferriet.

Country Status (6)

Country	Link
US (1)	US4214960A (nl)
JP (1)	JPS6047725B2 (nl)
DE (1)	DE2825890A1 (nl)
FR (1)	FR2428690A1 (nl)
GB (1)	GB2000190B (nl)
NL (1)	NL7806433A (nl)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5645774A (en) *	1989-09-19	1997-07-08	Ferronics Incorporated	Method for establishing a target magnetic permeability in a ferrite
DE10034427B4 (de) *	2000-07-14	2004-04-15	Ralph Jagals	Verfahren zum Herstellen eines aus einem magnetischen Werkstoff hergestellten Gegenstandes mit vorbestimmten magnetischen Eigenschaften
ITTO20010447A1 (it) *	2001-05-11	2002-11-11	Promotec Srl	Taglio di lastre metalliche.

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1047995A (en) *	1910-03-09	1912-12-24	Edward G Schwuchow	Process of etching plates by electricity.
GB761795A (en) *	1954-03-09	1956-11-21	Gen Electric Co Ltd	Improvements in or relating to the manufacture of semi-conductor devices
US3078219A (en) *	1958-11-03	1963-02-19	Westinghouse Electric Corp	Surface treatment of silicon carbide
NL250075A (nl) *	1959-04-10	1900-01-01
US3409523A (en) *	1966-03-10	1968-11-05	Bell Telephone Labor Inc	Electroetching an aluminum plated semiconductor in a tetraalkylammonium hydroxide electrolyte
NL6703014A (nl) *	1967-02-25	1968-08-26
US3527682A (en) *	1967-04-24	1970-09-08	Philco Ford Corp	Process for electrolytically etching indium antimonide
US3560357A (en) *	1968-07-26	1971-02-02	Rca Corp	Electroetching of a conductive film on an insulating substrate
US3560358A (en) *	1968-09-12	1971-02-02	Motorola Inc	Electrolytic etching of platinum for metallization
NL7005296A (nl) *	1969-04-15	1970-10-19
NL6910274A (nl) *	1969-07-04	1971-01-06
NL7211910A (nl) *	1972-09-01	1974-03-05
US3929591A (en) *	1974-08-26	1975-12-30	Polychrome Corp	Novel lithographic plate and method
GB1469005A (en) *	1974-11-28	1977-03-30	Standard Telephones Cables Ltd	Standard telephones cables ltd semiconductor device manufacture
JPS5312740A (en) *	1976-07-23	1978-02-04	Matsushita Electric Ind Co Ltd	Liquid for electrolytically etching ferrite
US4169026A (en) *	1976-07-23	1979-09-25	Matsushita Electric Industrial Co., Ltd.	Etchant for electrolytic etching of a ferrite for a magnetic head and method of producing a magnetic head

1977
- 1977-06-14 JP JP52070231A patent/JPS6047725B2/ja not_active Expired
1978
- 1978-06-06 US US05/912,994 patent/US4214960A/en not_active Expired - Lifetime
- 1978-06-12 GB GB7826709A patent/GB2000190B/en not_active Expired
- 1978-06-13 DE DE19782825890 patent/DE2825890A1/de not_active Withdrawn
- 1978-06-14 NL NL7806433A patent/NL7806433A/nl not_active Application Discontinuation
- 1978-06-14 FR FR7817832A patent/FR2428690A1/fr active Granted

Also Published As

Publication number	Publication date
JPS544398A (en)	1979-01-13
JPS6047725B2 (ja)	1985-10-23
GB2000190B (en)	1982-03-17
FR2428690A1 (fr)	1980-01-11
FR2428690B1 (nl)	1981-08-28
DE2825890A1 (de)	1979-01-04
US4214960A (en)	1980-07-29
GB2000190A (en)	1979-01-04

Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1985-08-01	BV	The patent application has lapsed

Publication	Publication Date	Title
NL192087B (nl)	1996-10-01	Bestrijding van coccidiosis.
NL7810884A (nl)	1979-05-03	Bereiding van dispersies.
NL7803199A (nl)	1978-09-27	Schakeling voor het verwerken van periodieke elektrische signalen.
NL7807882A (nl)	1979-01-29	Werkwijze voor het omzetten van alkenische nafta.
IT7825448A0 (it)	1978-07-07	Apparecchiatura di fissaggio mossa elettricamente.
NL7808159A (nl)	1979-02-13	Lier.
NL7812226A (nl)	1979-06-19	Ontzwaveling van metalen.
NL7700969A (nl)	1978-08-02	Versterkerschakeling.
NL7803491A (nl)	1978-10-06	Magnetisch kompas.
SE7710826L (sv)	1979-03-29	Hardmetallkropp
NL7803107A (nl)	1978-09-26	Werkwijze voor het vervaardigen van gedrukte bedradingen.
IT7819894A0 (it)	1978-02-01	Dispositivo magnetico di rappresentazione.
NL7801005A (nl)	1978-07-31	Derivaten van meta-sulfonamido-benzamide.
NL7809597A (nl)	1979-07-02	Transducent van de als elektreet aangeduide soort.
NL7804425A (nl)	1978-10-27	Werkwijze voor het denitroseren van n-nitrosoverbindin- gen.
NL7801336A (nl)	1978-08-11	Discriminatieinrichting van spraaksignalen.
NL7803780A (nl)	1978-10-17	Werkwijze voor het fractioneren van talg.
NO781224L (no)	1978-10-10	Busskarosseri.
NL7801068A (nl)	1978-08-29	Isolerend lichaam.
NL7806433A (nl)	1978-12-18	Het electrolytisch etsen van een voorwerp van ferriet.
NL7613813A (nl)	1977-06-14	Elektromagnetische geluidsomzetter.
NL7804874A (nl)	1978-11-07	Elektrolytisch afzetten van koper.
SE416585B (sv)	1981-01-19	Elektromagnetiskt zonror
NL7800219A (nl)	1978-07-11	Bepaling van cholecalciferol.
NL7809884A (nl)	1979-04-06	Gestabiliseerde magnetietpimenten.