The 25th Magnetic Recording Conference

August 11-13, 2014

University of California, Berkeley

California, USA





Poster session program

Poster session I

Monday August 11th, 2014, 5:15 – 7:00 PM
Poster session I features all invited papers from the oral sessions A and B, as well as the contributed posters listed in the table below.  The posters of the invited papers stay in their original sequence, e.g. invited papers 1, 2, 3 from oral session A become posters IP-A1, IP-A2, IP-A3.

Contributed posters Media





Mechanism of coercivity enhancement by Ag addition in FePt-C granular films for HAMR media

1) B.S.D.Ch.S. Varaprasad, 1) Y.K. Takahashi, 1) J. Wang, 2) T. Ina, 2) T. Nakamura, 2) W. Ueno, 2) K. Nitta, 2) T. Uruga and 1) K. Hono

1) National Institute for Materials Science, Japan
2) Japan Synchrotron Radiation Research Institute (JASRI)


Fokker-Planck algorithm for modeling HAMR media

M. Tzoufras, G. Parker, M. Grobis

HGST, a Western Digital company


Effects of embedded hark mask patterning process on FePt HAMR media with ultra small grain size

P. Quarterman, H .Wang, J.-P. Wang

University of Minnesota


Fabrication of nanoimprint templates for high bit-aspect-ratio bit patterned media at areal densities 1.6 Td/in2 and above

H. Gao, L. Wan, G. Doerk, T.-W. Wu, Z. Liu, Y.-A. Chapuis, A.I. Bogdanov, J. Cushen, J. Lille, K.C. Patel, R. Ruiz, T.R. Albrecht

HGST, a Western Digital company


Recording on bit patterned media at 1.6 Tera-dots per square inch

P.-O. Jubert, J.-M. Beaujour, D. Bedau, A.L. Bogdanov, Y.-A. Chapuis, G. Doerk, H. Gao, M. Grobis, B. Gurney, Z. Liu, I. Oboukhov, K.C. Patel, R. Ruiz, L. Wan, T. Wu, and T.R. Albrecht

HGST, a Western Digital company


Structural and magnetic properties of perpendicular exchange coupled composite with a synthesis antiferromagnetic sandwich structure

1) H. G. Chu, 1) B. Yu, B. Ma, 1) Z. Z. Zhang, 1) Q. Y. Jin, 2) H. L. Xie, 2) Y. Wang

1) Fudan University, China, 2) Lanzhou University, China


Angular dependence of coercivity and bit error rate estimation for ECC media using shingled magnetic recording

J. Chen, G. Yu

Wuhan National Laboratory for Optoelectronics, China


Measurement of electrical and mechanical properties of protective overcoats

1) D. Stauffer, 2) S. Xiong, 2) Y.-K. Chen, 2) D. Bogy

1) Hysitron, 2) Computer Mechanics Lab., UC Berkeley





Contributed posters Readers





All-metallic non-local spin-valves with high output

H. Iwasaki, S. Shirotori, S. Hashimoto, M. Takagishi, Y. Kamiguchi

Toshiba, Japan


Feasibility study of all-metallic lateral spin valves for read sensor in HDD

1) Ikhtiar, 2) S. Kasai, 2) A. Ito, 2) Y.K. Takahashi, 2) T. Ohkubo, 1,2) S. Mitani, 1,2) K. Hono

1) U. Tsukuba, Japan, 2) National Institute for Materials Science, Japan


Double barrier magnetic tunnel junctions with write/read mode select layer

1) P.-Y. Clément, 2) C. Ducruet, 1) I. Joumard, 3) L. Vila, 1) C. Baraduc, 1) M. Chshiev, 1) B. Diény

1) SPINTEC, France,
2) Crocus-Technology, France
3) Nanostructures and Magnetism, France





Contributed posters  Tape





Where tape and hard-disk technology meet

J.B.C. Engelen, S. Furrer, H.E. Rothuizen, M.A. Lantz

IBM Research, Switzerland


Advanced barium ferrite particulate tape for linear tape systems

M. Oyanagi, Y. Kurihashi, T. Tada, M. Shirata, T. Harasawa, O. Shimizu, H. Suzuki, H. Noguchi

Fujifilm, Japan


Performance limits of timing-based servo schemes in magnetic tape recording

S. Furrer, G. Cherubini, A. Pantazi, M. A. Lantz

IBM Research, Switzerland






Contributed posters Advanced Techniques, STT-RAM





Room-temperature perpendicular recording based on photo-magnetization

1) E.Z. Katsnelson, 2) M.M. Chervinsky

1) Northwestern University, USA, 2) D.I. Mendeleev Institute for Metrology, Russia


STT RAM: a paradigm shift in memory and storage technology

1) E. Grochowski, 2) T. Coughlin

1) Computer Storage Consultant 2) Coughlin Associates, USA


Poster session II

Tuesday August 12th, 2014, 4:45 – 6:00 PM
Poster session II features all invited papers from the oral sessions C, D, E, F, as well as the contributed posters listed in the table below.  The posters of the invited papers stay in their original sequence, e.g. invited papers 1, 2, 3, from oral session C become posters IP-C1, IP-C2, IP-C3.

Contributed posters Signal Processing





Simple joint-track iterative detection algorithm for 2-D interference channels

J. Yao, B.V.K.V. Kumar

Carnegie Mellon University


High-throughput low-density parity-check (LDPC) code encoder with reduced complexity

S. Li, S. Yang

Avago Technology






Two-head/two-track detection with ITI estimation in shingled magnetic recording

B. Fan, H.K. Thapar, P.H. Siegel

Center for Magnetic Recording Research, UC, San Diego


Iterative hard-decision decoding of Reed-Solomon product codes in magnetic tape recording

R. D. Cideciyan, S. Furrer, M.A. Lantz

IBM Research, Switzerland


Improved codes for synchronization error correction on the BPMR Channel

P. Nguyen, M.A. Armand, T. Wu

National University of Singapore, Singapore




TMRC 2014 main





TMRC 2014 is co-sponsored by: