|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||340/551 ; 340/572|
|발명자 / 주소|
|출원인 / 주소|
|인용정보||피인용 횟수 : 12 인용 특허 : 4|
Nickel rich amorphous ferromagnetic alloys having a nickel content in the range of 35 to 55 atomic percent have been conceived. These alloys are in the amorphous state and exhibit high permeability relative to prior known amorphous ferromagnetic alloys. These nickel rich alloys can be produced by rapid solidification techniques without the need of subsequent heat treating.
A marker for use in an electronic article surveillance system, the marker comprising: a ferromagnetic amorphous ferromagnetic element containing 35 to 55% nickel, up to 35% of at least one of iron and cobalt and a combination thereof and made by rapid solidification from a molten ferromagnetic alloy, and a carrier for said ferromagnetic amorphous element.