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Dive into the research topics where Charles Leu is active.

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Featured researches published by Charles Leu.


IEEE Transactions on Magnetics | 1998

Quantitative MFM study of the global and local magnetic roughness of the DC-demagnetized state of thin film media

Xing Song; Qixu Chen; Charles Leu; Rajiv Yadav Ranjan

A magnetic height-height correlation function was used to quantitatively analyze the magnetic force microscope (MFM) images of the DC-demagnetized state of two thin film media. This function provided important information about the micromagnetic features of these media, including the global magnetic roughness, the local magnetic roughness, the strength of long-range magnetostatic interaction, and the degree of local intergranular exchange coupling. These features are accountable for the noise performance of these media detected by the recording head.


Archive | 1998

Magnetic thin film medium comprising amorphous sealing layer for reduced lithium migration

Qixu Chen; Xing Song; Liji Huang; Charles Leu; Rajiv Yadav Ranjan


Archive | 1997

Magnetic recording medium comprising a nickel aluminum or iron aluminum underlayer and chromium containing intermediate layer each having (200) dominant crystalographic orientation

Qixu Chen; Jyh-Kau Chang; Charles Leu; Ga-Lane Chen


Archive | 1998

Thin film medium with surface-oxidized NiAl seed layer

Qixu David Chen; Liji Huang; Charles Leu; Rajiv Yadav Ranjan


Archive | 2000

CoCrPtB medium with a 1010 crystallographic orientation

Qixu Chen; Samuel Dacke Harkness; Zhong (Stella) Wu; Lin Huang; Rajiv Yadav Ranjan; Charles Leu


Archive | 2001

High coercivity magnetic recording medium comprising a sputter textured layer

Xing Song; Ga-Lane Chen; Charles Leu; Qixu Chen


Archive | 1998

High coercivity magnetic recording medium comprising a thin CoCrTa intermediate layer

Xing Song; Qixu Chen; Charles Leu; Rajiv Yadav Ranjan


Archive | 2002

Magnetic recording medium with dual magnetic layers and high in-plane coercivity

Qixu Chen; Lin Huang; Charles Leu; Rajiv Yadav Ranjan


Archive | 2000

Magnetic recording media comprising a silicon carbide corrosion barrier layer and a c-overcoat

Kueir-Weei Chour; Liji Huang; Jie-Ming Yu; Kuo-Hsing Hwang; Chung Shih; Lin Huang; Charles Leu; Qixu Chen; Rajiv Yadav Ranjan


Archive | 2000

Medium with a NiNb sealing layer

Qixu David Chen; Liji Huang; Charles Leu; Rajiv Yadav Ranjan

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