DE3881962D1 - Amorphe legierung fuer streifenfoermige sensorelemente. - Google Patents
Amorphe legierung fuer streifenfoermige sensorelemente.Info
- Publication number
- DE3881962D1 DE3881962D1 DE8888106558T DE3881962T DE3881962D1 DE 3881962 D1 DE3881962 D1 DE 3881962D1 DE 8888106558 T DE8888106558 T DE 8888106558T DE 3881962 T DE3881962 T DE 3881962T DE 3881962 D1 DE3881962 D1 DE 3881962D1
- Authority
- DE
- Germany
- Prior art keywords
- alloy
- strip
- amorphous alloy
- sensor elements
- shaped sensor
- 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
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2405—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used
- G08B13/2408—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting characterised by the tag technology used using ferromagnetic tags
- G08B13/2411—Tag deactivation
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/04—Amorphous alloys with nickel or cobalt as the major constituent
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/24—Electrical actuation by interference with electromagnetic field distribution
- G08B13/2402—Electronic Article Surveillance [EAS], i.e. systems using tags for detecting removal of a tagged item from a secure area, e.g. tags for detecting shoplifting
- G08B13/2428—Tag details
- G08B13/2437—Tag layered structure, processes for making layered tags
- G08B13/2442—Tag materials and material properties thereof, e.g. magnetic material details
-
- 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
- H01F1/14—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 metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
- H01F1/15316—Amorphous metallic alloys, e.g. glassy metals based on Co
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Electromagnetism (AREA)
- Computer Security & Cryptography (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Dispersion Chemistry (AREA)
- Power Engineering (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Soft Magnetic Materials (AREA)
- Burglar Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8888106558T DE3881962D1 (de) | 1987-05-21 | 1988-04-23 | Amorphe legierung fuer streifenfoermige sensorelemente. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19873717043 DE3717043A1 (de) | 1987-05-21 | 1987-05-21 | Amorphe legierung fuer streifenfoermige sensorelemente |
DE8888106558T DE3881962D1 (de) | 1987-05-21 | 1988-04-23 | Amorphe legierung fuer streifenfoermige sensorelemente. |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3881962D1 true DE3881962D1 (de) | 1993-07-29 |
Family
ID=6328040
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873717043 Withdrawn DE3717043A1 (de) | 1987-05-21 | 1987-05-21 | Amorphe legierung fuer streifenfoermige sensorelemente |
DE8888106558T Expired - Fee Related DE3881962D1 (de) | 1987-05-21 | 1988-04-23 | Amorphe legierung fuer streifenfoermige sensorelemente. |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19873717043 Withdrawn DE3717043A1 (de) | 1987-05-21 | 1987-05-21 | Amorphe legierung fuer streifenfoermige sensorelemente |
Country Status (4)
Country | Link |
---|---|
US (1) | US5037494A (de) |
EP (1) | EP0291726B1 (de) |
JP (1) | JP3065085B2 (de) |
DE (2) | DE3717043A1 (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5015993A (en) * | 1989-06-29 | 1991-05-14 | Pitney Bowes Inc. | Ferromagnetic alloys with high nickel content and high permeability |
US5015992A (en) * | 1989-06-29 | 1991-05-14 | Pitney Bowes Inc. | Cobalt-niobium amorphous ferromagnetic alloys |
US5532598A (en) * | 1994-05-25 | 1996-07-02 | Westinghouse Electric Corporation | Amorphous metal tagging system for underground structures including elongated particles of amorphous metal embedded in nonmagnetic and nonconductive material |
US5800635A (en) * | 1995-06-15 | 1998-09-01 | Alliedsignal Inc. | Method of achieving a controlled step change in the magnetization loop of amorphous alloys |
US5976274A (en) * | 1997-01-23 | 1999-11-02 | Akihisa Inoue | Soft magnetic amorphous alloy and high hardness amorphous alloy and high hardness tool using the same |
US6432226B2 (en) * | 1999-04-12 | 2002-08-13 | Alliedsignal Inc. | Magnetic glassy alloys for high frequency applications |
US6475303B1 (en) * | 1999-04-12 | 2002-11-05 | Honeywell International Inc. | Magnetic glassy alloys for electronic article surveillance |
DE19918589A1 (de) | 1999-04-23 | 2000-10-26 | Vacuumschmelze Gmbh | Magnetischer Markierstreifen und Verfahren zur Herstellung eines magnetischen Markierstreifens |
CA2654066A1 (fr) * | 2006-06-02 | 2007-12-13 | Societe Plymouth Francaise | Systeme de detection, adapte a l'identification et au suivi de canalisations enterrees ou d'autres corps enfouis dans le sol ou noyes dans des ouvrages de genie civil |
US7771545B2 (en) * | 2007-04-12 | 2010-08-10 | General Electric Company | Amorphous metal alloy having high tensile strength and electrical resistivity |
US9275529B1 (en) | 2014-06-09 | 2016-03-01 | Tyco Fire And Security Gmbh | Enhanced signal amplitude in acoustic-magnetomechanical EAS marker |
US10989834B2 (en) | 2017-10-27 | 2021-04-27 | Energy & Environmental Research Center | Identifying subterranean structures using amorphous metal markers |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59582B2 (ja) * | 1976-03-23 | 1984-01-07 | 東北大学金属材料研究所長 | 磁歪が小さく耐摩耗性の大きい磁気ヘツド用非晶質合金およびその製造方法 |
JPS6037179B2 (ja) * | 1977-02-24 | 1985-08-24 | ティーディーケイ株式会社 | 非晶質磁性合金 |
US4188211A (en) * | 1977-02-18 | 1980-02-12 | Tdk Electronics Company, Limited | Thermally stable amorphous magnetic alloy |
US4225339A (en) * | 1977-12-28 | 1980-09-30 | Tokyo Shibaura Denki Kabushiki Kaisha | Amorphous alloy of high magnetic permeability |
US4439236A (en) * | 1979-03-23 | 1984-03-27 | Allied Corporation | Complex boride particle containing alloys |
US4298862A (en) * | 1979-04-23 | 1981-11-03 | Allied Chemical Corporation | Amorphous antipilferage marker |
US4484184A (en) * | 1979-04-23 | 1984-11-20 | Allied Corporation | Amorphous antipilferage marker |
USRE32428E (en) * | 1979-04-23 | 1987-05-26 | Allied Corporation | Amorphous antipilferage marker |
DE2924280A1 (de) * | 1979-06-15 | 1981-01-08 | Vacuumschmelze Gmbh | Amorphe weichmagnetische legierung |
JPS5931580B2 (ja) * | 1979-08-28 | 1984-08-02 | 東北金属工業株式会社 | 低保磁力・高角形性を有するアモルファス合金薄板の製造方法 |
JPS5754251A (en) * | 1980-09-15 | 1982-03-31 | Tdk Corp | Amorphous magnetic alloy material |
JPS57205872A (en) * | 1981-03-19 | 1982-12-17 | Toshiba Corp | Cassette tape |
JPS5831053A (ja) * | 1981-08-18 | 1983-02-23 | Toshiba Corp | 非晶質合金 |
EP0078401B1 (de) * | 1981-11-02 | 1985-08-07 | Allied Corporation | Amorphe Diebstahlschutzmarke |
EP0160166A1 (de) * | 1981-11-26 | 1985-11-06 | Allied Corporation | Amorphe Legierungen von Metallen mit niedriger Magnetostriktion |
US4553136A (en) * | 1983-02-04 | 1985-11-12 | Allied Corporation | Amorphous antipilferage marker |
JPS6070157A (ja) * | 1983-09-28 | 1985-04-20 | Toshiba Corp | 非晶質合金及びその製造方法 |
JPS6164861A (ja) * | 1984-09-06 | 1986-04-03 | Tohoku Metal Ind Ltd | 磁気損失が小さく高角形性を有するアモルフアス合金の製造方法 |
-
1987
- 1987-05-21 DE DE19873717043 patent/DE3717043A1/de not_active Withdrawn
-
1988
- 1988-04-23 EP EP88106558A patent/EP0291726B1/de not_active Expired - Lifetime
- 1988-04-23 DE DE8888106558T patent/DE3881962D1/de not_active Expired - Fee Related
- 1988-05-17 JP JP63118417A patent/JP3065085B2/ja not_active Expired - Lifetime
-
1990
- 1990-05-15 US US07/523,176 patent/US5037494A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63307238A (ja) | 1988-12-14 |
JP3065085B2 (ja) | 2000-07-12 |
DE3717043A1 (de) | 1988-12-15 |
US5037494A (en) | 1991-08-06 |
EP0291726A2 (de) | 1988-11-23 |
EP0291726B1 (de) | 1993-06-23 |
EP0291726A3 (en) | 1989-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |