Bias layer and shield biasing design

• Main Authors: Wu Yan, Garfunkel Glen, Chye Yewhee, Quan Junjie
• Format: Patent
• Language: English
• Published: 21.03.2017
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

A read head is longitudinally biased unidirectionally by laterally abutting soft magnetic layers or multilayers. The soft magnetic layers are themselves magnetically stabilized by layers of antiferromagnetic material that are exchange coupled to them. The same layers of antiferromagnetic materials c...