Chamber FAQ
Magnetic Characteristics Evaluation System for GMR Heads
Retrieving data from high-density points requires high sensitivity, which GMR heads, (unlike conventional MR heads), attain mainly through the use of spin-valve structure. However, ensuring heat resistance with spin-valve GMR heads can be problematic, and the head manufacturers are seeking for improvements by developing superior heat resistant heads. As hard disk memory density is now increasing in extremely short cycles, the problem facing manufacturers is to somehow evaluate new devices quickly.
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