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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 63  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
MRIS, ITE-MMS 2022-06-09
14:20
Miyagi RIEC, Tohoku Univ.
(Primary: On-site, Secondary: Online)
A study of read/write channel using double layered granular medium model
Kazuki Nakashima, Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Inst.), Yoshihiro Okamoto (Ehime Univ.) MRIS2022-3
 [more] MRIS2022-3
pp.13-18
MRIS, ITE-MMS 2021-06-10
14:20
Miyagi RIEC, Tohoku U.
(Primary: On-site, Secondary: Online)
A study of equalization for reproducing a double-layer magnetic recording medium
Yasuaki Nakamura, Takuya Okada, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Insit.), Yoshihiro Okamoto (Ehime Univ.) MRIS2021-3
 [more] MRIS2021-3
pp.12-17
MRIS, ITE-MMS 2020-12-03
15:35
Online Online Media design for microwave assisted magnetic recording
Simon Greaves (Tohoku Univ.), Yasushi Kanai, Ryo Itagaki (Niigata Inst. Tech.) MRIS2020-9
Microwave-assisted magnetic recording is simulated using write heads and spin torque oscillators (STO) with three differ... [more] MRIS2020-9
pp.20-25
MRIS, ITE-MMS 2020-12-03
16:00
Online Online A study on iterative decoding using neural network in SMR system
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2020-10
We study the low-density parity-check (LDPC) coding and iterative decoding system by signal processing for the shingled ... [more] MRIS2020-10
pp.26-31
MRIS, ITE-MMS 2019-12-05
14:00
Ehime Ehime University A study on iterative decoding using information of magnetic transitions in SMR
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-39
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] MRIS2019-39
pp.1-6
MRIS, ITE-MMS 2019-12-05
14:25
Ehime Ehime University A study on MAMR R/W channel modeling for signal processing
Yuji Yamada, Yasuaki Nakamura, Madoka Nishikawa (Ehime Univ.), Yasushi Kanai (Niigata Institute of Technology), Yoshihiro Okamoto (Ehime Univ.) MRIS2019-40
Microwave assisted magnetic recording (MAMR) draws attention as a recording technology to increase the recording densiti... [more] MRIS2019-40
pp.7-12
MRIS, ITE-MMS 2019-12-05
14:50
Ehime Ehime University Micromagnetic analysis of MAMR recording head -- A consideration for stable oscillation of STO at low applied current density --
Ryo Itagaki, Yasushi Kanai (NIIT), Simon Greaves (Tohoku Univ.) MRIS2019-41
A micromagnetic model analysis of STOs was carried out to realize stable STO oscillation with small J. Using write heads... [more] MRIS2019-41
pp.13-18
MRIS, ITE-MMS 2019-06-13
14:55
Miyagi Tohoku Univ. Micromagnetic analysis of MAMR recording head -- Oscillation of STO with parallel head gap --
Ryo Itagaki, Yasushi Kanai (NIIT), Simon Greaves (Tohoku Univ.) MRIS2019-4
A micromagnetic model analysis was carried out for a spin-torque oscillator (STO) inserted into the write head gap for m... [more] MRIS2019-4
pp.15-20
MRIS, ITE-MMS 2019-06-13
15:20
Miyagi Tohoku Univ. Optimisation of dual layer recording media for microwave-assisted magnetic recording
Simon Greaves (Tohoku Univ.), Kheong Sann Chan (Nanjing Inst. Tech.), Yasushi Kanai (Niigata Inst. Tech.) MRIS2019-5
In this work we optimise dual-structure media for microwave-assisted magnetic recording. The recording medium consisted ... [more] MRIS2019-5
pp.21-26
MRIS, ITE-MMS 2019-06-14
11:10
Miyagi Tohoku Univ. A study on neural network LLR modulation in TDMR
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (NIT), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2019-8
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] MRIS2019-8
pp.53-58
MRIS, ITE-MMS 2018-12-06
14:00
Ehime Ehime University A study of LLR modulation using neural network decision
Madoka Nishikawa, Yasuaki Nakamura (Ehime Univ.), Yasushi Kanai (Niigata Tech.), Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.) MRIS2018-21
In our previous research, we focused on a log-likelihood ratio (LLR) computed as the decoding reliability by a posterior... [more] MRIS2018-21
pp.7-12
MRIS, ITE-MMS 2018-12-07
10:00
Ehime Ehime University Micromagnetic analysis of MAMR recording head -- STO with parallel gap write head and the influence of recording layer on STO oscillation --
Ryo Itagaki, Yasushi Kanai (NIIT), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) MRIS2018-25
Micromagnetic model simulations were performed considering a spin-torque oscillator (STO), write head and double-layered... [more] MRIS2018-25
pp.41-46
MRIS, ITE-MMS 2018-12-07
11:00
Ehime Ehime University Recording characteristics of microwave-assisted magnetic recording for granular media
Terumitsu Tanaka (Kyushu Univ.), Yasushi Kanai (Niigata Ins. Tech.), Kimihide Matsuyama (Kyushu Univ.) MRIS2018-26
Magnetization reversal process under the microwave assistance and microwave-assisted signal recording characteristics we... [more] MRIS2018-26
pp.47-52
MRIS, ITE-MMS 2018-06-07
14:40
Miyagi Tohoku Univ. Effect of STO angle in microwave assisted magnetic recording
Simon Greaves (Tohoku Univ.), Yasushi Kanai (Niigata Inst. Tech.) MRIS2018-4
Microwave assisted magnetic recording (MAMR) has the potential to increase the density of data stored on magnetic disks.... [more] MRIS2018-4
pp.19-24
MRIS, ITE-MMS 2018-06-07
15:20
Miyagi Tohoku Univ. Micromagnetic analysis of MAMR recording head -- Tilted STO with narrow gap write head --
Ryo Itagaki, Yasushi Kanai (Niigata Inst. of Tech.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) MRIS2018-5
A micromagnetic model analysis of a spin-torque oscillator (STO) and write head for microwave-assisted magnetic recordin... [more] MRIS2018-5
pp.25-30
MRIS, ITE-MMS 2018-06-08
09:40
Miyagi Tohoku Univ. A study on iterative decoding with neural network LLR modulator in SMR system
Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MRIS2018-10
In our previous research, we showed that the iterative decoding with a log-likelihood ratio (LLR) modulator using parity... [more] MRIS2018-10
pp.55-60
MRIS, ITE-MMS 2017-12-08
10:30
Ehime Ehime Univ. A study on iterative decoding with LLR modulator by parity check information in SMR-HDD
Madoka Nishikawa, Yasuaki Nakamura, Hisashi Osawa, Yoshihiro Okamoto (Ehime Univ.), Yasushi Kanai (Niigata Ins. of Tec.), Hiroaki Muraoka (Tohoku Univ.) MR2017-38
(To be available after the conference date) [more] MR2017-38
pp.75-80
MRIS, ITE-MMS 2017-12-08
10:50
Ehime Ehime Univ. Micromagnetic model analysis of MAMR recording head (2) -- Oscillation of STO vs. rise time of external field --
Ryo Itagaki, Yasushi Kanai (Niigata Inst. Tech.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) MR2017-39
A micromagnetic model analysis of spin-torque oscillators (STOs) was carried out. First, the conditions for stable oscil... [more] MR2017-39
pp.81-86
MRIS, ITE-MMS 2017-12-08
11:20
Ehime Ehime Univ. High data rate write head for perpendicular magnetic recording using main-pole tip exited method
Yoshihisa Nakamura (Tohoku Univ.), Ryo Itagaki, Yasushi Kanai (NIIT) MR2017-40
PMR write heads in which a main-pole tip are directly exited by thin film coils have superior performance compared with ... [more] MR2017-40
pp.87-92
MRIS, ITE-MMS 2017-10-19
15:10
Niigata Kashiwazaki energy hall, Niigata Micromagnetic analysis of MAMR recording head -- Oscillation of small-sized STO with small external field --
Ryo Itagaki, Yasushi Kanai (Niigata Inst. of Tech.), Simon Greaves, Hiroaki Muraoka (Tohoku Univ.) MR2017-20
A micromagnetic model analysis of a spin-torque oscillator and write head for microwave-assisted magnetic recording was ... [more] MR2017-20
pp.17-22
 Results 1 - 20 of 63  /  [Next]  
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