FR2768551B1 - Aimant plat comportant une couche de revetement et son procede de preparation - Google Patents

Aimant plat comportant une couche de revetement et son procede de preparation

Info

Publication number
FR2768551B1
FR2768551B1 FR9711389A FR9711389A FR2768551B1 FR 2768551 B1 FR2768551 B1 FR 2768551B1 FR 9711389 A FR9711389 A FR 9711389A FR 9711389 A FR9711389 A FR 9711389A FR 2768551 B1 FR2768551 B1 FR 2768551B1
Authority
FR
France
Prior art keywords
preparation
coating layer
flat magnet
magnet
flat
Prior art date
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.)
Expired - Fee Related
Application number
FR9711389A
Other languages
English (en)
Other versions
FR2768551A1 (fr
Inventor
Dominique Givord
Michel Rossignol
Suyatman
Valerie Archambault
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.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
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.)
Filing date
Publication date
Application filed by Rhodia Chimie SAS filed Critical Rhodia Chimie SAS
Priority to FR9711389A priority Critical patent/FR2768551B1/fr
Publication of FR2768551A1 publication Critical patent/FR2768551A1/fr
Application granted granted Critical
Publication of FR2768551B1 publication Critical patent/FR2768551B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0253—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets
    • H01F41/026—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing permanent magnets protecting methods against environmental influences, e.g. oxygen, by surface treatment
FR9711389A 1997-09-12 1997-09-12 Aimant plat comportant une couche de revetement et son procede de preparation Expired - Fee Related FR2768551B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9711389A FR2768551B1 (fr) 1997-09-12 1997-09-12 Aimant plat comportant une couche de revetement et son procede de preparation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9711389A FR2768551B1 (fr) 1997-09-12 1997-09-12 Aimant plat comportant une couche de revetement et son procede de preparation

Publications (2)

Publication Number Publication Date
FR2768551A1 FR2768551A1 (fr) 1999-03-19
FR2768551B1 true FR2768551B1 (fr) 1999-11-05

Family

ID=9511039

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9711389A Expired - Fee Related FR2768551B1 (fr) 1997-09-12 1997-09-12 Aimant plat comportant une couche de revetement et son procede de preparation

Country Status (1)

Country Link
FR (1) FR2768551B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4002017A1 (fr) * 2020-11-13 2022-05-25 Comadur S.A. Protection anti-corrosion d aimants d horlogerie, notamment néodyme-fer-bore

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104787A (en) * 1977-03-21 1978-08-08 General Motors Corporation Forming curved wafer thin magnets from rare earth-cobalt alloy powders
JPS61281850A (ja) * 1985-06-07 1986-12-12 Sumitomo Special Metals Co Ltd 永久磁石材料
FI861898A (fi) * 1986-05-07 1987-11-08 Outokumpu Oy Foerfarande foer hantering av metallstycken.
JPH05129148A (ja) * 1991-11-06 1993-05-25 Kobe Steel Ltd 耐食性に優れた表面被覆希土類系磁石の製法

Also Published As

Publication number Publication date
FR2768551A1 (fr) 1999-03-19

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Legal Events

Date Code Title Description
ST Notification of lapse