CA2492950C - Elements magnetomecaniques amorphes recuits dans un champ magnetique transversal pour systeme de surveillance electronique d'articles et methode de fabrication de ces elements - Google Patents
Elements magnetomecaniques amorphes recuits dans un champ magnetique transversal pour systeme de surveillance electronique d'articles et methode de fabrication de ces elements Download PDFInfo
- Publication number
- CA2492950C CA2492950C CA002492950A CA2492950A CA2492950C CA 2492950 C CA2492950 C CA 2492950C CA 002492950 A CA002492950 A CA 002492950A CA 2492950 A CA2492950 A CA 2492950A CA 2492950 C CA2492950 C CA 2492950C
- Authority
- CA
- Canada
- Prior art keywords
- strip
- marker
- magnetostrictive
- magnetic field
- minutes
- 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 - Lifetime
Links
- 230000005291 magnetic effect Effects 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims description 8
- 239000003550 marker Substances 0.000 claims abstract description 82
- 239000000463 material Substances 0.000 claims abstract description 53
- 238000009738 saturating Methods 0.000 claims abstract description 16
- 239000010941 cobalt Substances 0.000 claims abstract description 14
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 14
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 12
- 229910052742 iron Inorganic materials 0.000 claims abstract description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052796 boron Inorganic materials 0.000 claims abstract description 5
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 5
- 239000010703 silicon Substances 0.000 claims abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 238000000137 annealing Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 29
- 238000001816 cooling Methods 0.000 claims description 14
- 239000000696 magnetic material Substances 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 9
- 230000005672 electromagnetic field Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 229910000640 Fe alloy Inorganic materials 0.000 claims 3
- 229910001004 magnetic alloy Inorganic materials 0.000 abstract 1
- 230000008569 process Effects 0.000 description 8
- 238000001514 detection method Methods 0.000 description 7
- 230000004044 response Effects 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 229910000697 metglas Inorganic materials 0.000 description 6
- 230000002411 adverse Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 229910017061 Fe Co Inorganic materials 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000002829 reductive effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Soft Magnetic Materials (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/269,651 | 1994-06-30 | ||
| US08/269,651 US5469140A (en) | 1994-06-30 | 1994-06-30 | Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same |
| CA002146814A CA2146814C (fr) | 1994-06-30 | 1995-04-11 | Elements magnetomecaniques amorphes recuits dans un champ magnetique transversal pour systeme de surveillance electronique d'articles et methode de fabrication de ces elements |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002146814A Division CA2146814C (fr) | 1994-06-30 | 1995-04-11 | Elements magnetomecaniques amorphes recuits dans un champ magnetique transversal pour systeme de surveillance electronique d'articles et methode de fabrication de ces elements |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2492950A1 CA2492950A1 (fr) | 1995-12-31 |
| CA2492950C true CA2492950C (fr) | 2007-06-26 |
Family
ID=34378549
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002492950A Expired - Lifetime CA2492950C (fr) | 1994-06-30 | 1995-04-11 | Elements magnetomecaniques amorphes recuits dans un champ magnetique transversal pour systeme de surveillance electronique d'articles et methode de fabrication de ces elements |
| CA002494255A Expired - Lifetime CA2494255C (fr) | 1994-06-30 | 1995-04-11 | Elements magnetomecaniques amorphes recuits dans un champ magnetique tra de fabrication de ces elements |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002494255A Expired - Lifetime CA2494255C (fr) | 1994-06-30 | 1995-04-11 | Elements magnetomecaniques amorphes recuits dans un champ magnetique tra de fabrication de ces elements |
Country Status (1)
| Country | Link |
|---|---|
| CA (2) | CA2492950C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110544356A (zh) * | 2019-09-20 | 2019-12-06 | 深圳亿东科技股份有限公司 | 一种防盗标签 |
-
1995
- 1995-04-11 CA CA002492950A patent/CA2492950C/fr not_active Expired - Lifetime
- 1995-04-11 CA CA002494255A patent/CA2494255C/fr not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA2494255A1 (fr) | 1995-12-31 |
| CA2492950A1 (fr) | 1995-12-31 |
| CA2494255C (fr) | 2007-04-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5469140A (en) | Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same | |
| US5495230A (en) | Magnetomechanical article surveillance marker with a tunable resonant frequency | |
| US5786762A (en) | Magnetostrictive element for use in a magnetomechanical surveillance system | |
| JP4030586B2 (ja) | 低法磁力偏倚素子を有する磁気機械的電子的物品監視マーカー | |
| US6018296A (en) | Amorphous magnetostrictive alloy with low cobalt content and method for annealing same | |
| US6181245B1 (en) | Magnetomechanical electronic article surveillance marker with bias element having abrupt deactivation/magnetization characteristic | |
| CA2319334C (fr) | Redistribution d'une charge magnetique dans un element de polarisation pour marqueur magnetomecanique de systemes electroniques de surveillance d'articles | |
| EP0885432B1 (fr) | Recuit de reduction de courbure pour ruban d'alliage metallique amorphe | |
| US5949334A (en) | Magnetostrictive element having optimized bias-field-dependent resonant frequency characteristic | |
| CA2492950C (fr) | Elements magnetomecaniques amorphes recuits dans un champ magnetique transversal pour systeme de surveillance electronique d'articles et methode de fabrication de ces elements | |
| AU711803B2 (en) | Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same | |
| AU738871B2 (en) | Transverse magnetic field annealed amorphous magnetomechanical elements for use in electronic article surveillance system and method of making same | |
| EP0895208A2 (fr) | Marqueur magnétomécanique avec l'élément amorphe recuit en présence d'un champ magnétique transversal et procédé de fabrication pour utilisation dans un système électronique de surveillance d'articles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKEX | Expiry |
Effective date: 20150413 |