Title :
Noise and non-linear transfer curves in GMR heads
Author_Institution :
Maxtor Corp., Milpitas, CA, USA
Abstract :
Summary form only given Non-linear GMR element R(H) transfer curves, have been observed for some time. These non-linearities are caused by the GMR element jumping between two discrete amplitude states when specific magnetic fields are applied. It is shown that non-linearities in GMR transfer curves are a result of high frequency noise which appears at specific applied fields. Variations in switching frequency in combination with hardware bandwidth limitations cause it to have different appearances.
Keywords :
giant magnetoresistance; magnetic heads; magnetic recording noise; magnetic switching; GMR heads; hardware bandwidth limitations; high frequency noise; nonlinear transfer curves; switching frequency; Bandwidth; Frequency conversion; Hardware; Magnetic fields; Magnetic heads; Magnetic noise; Magnetization; Stress; Switching frequency; Voltage;
Conference_Titel :
Magnetics Conference, 2002. INTERMAG Europe 2002. Digest of Technical Papers. 2002 IEEE International
Conference_Location :
Amsterdam, The Netherlands
Print_ISBN :
0-7803-7365-0
DOI :
10.1109/INTMAG.2002.1000817
