Orientation-Controlled and Long-Range-Ordered Self-Assembled Nanodot Array for Ultrahigh-Density Bit-Patterned Media

2011 ◽  
Vol 50 (6) ◽  
pp. 06GG04 ◽  
Author(s):  
Takashi Akahane ◽  
Miftakhul Huda ◽  
Takuro Tamura ◽  
You Yin ◽  
Sumio Hosaka
Keyword(s):  
Long Range ◽  
Bit Patterned Media ◽  
Patterned Media ◽  
Nanodot Array ◽  
Self Assembled ◽  
Ultrahigh Density

Orientation-Controlled and Long-Range-Ordered Self-Assembled Nanodot Array for Ultrahigh-Density Bit-Patterned Media

2011 ◽  
Vol 50 (6S) ◽  
pp. 06GG04 ◽  
Author(s):  
Takashi Akahane ◽  
Miftakhul Huda ◽  
Takuro Tamura ◽  
You Yin ◽  
Sumio Hosaka
Keyword(s):  
Long Range ◽  
Bit Patterned Media ◽  
Patterned Media ◽  
Nanodot Array ◽  
Self Assembled ◽  
Ultrahigh Density

Long Range Ordering of 5-nm-Sized Dot Arrays with a Pitch of <10 nm along EB-Drawn Guide Lines Using PS-PDMS Self-Assembly

2015 ◽  
Vol 643 ◽  
pp. 3-7
Author(s):  
Hui Zhang ◽  
Miftakhul Huda ◽  
Jing Liu ◽  
Yu Long Zhang ◽  
Tao Jin ◽  
...  
Keyword(s):  
Long Range ◽  
Self Assembly ◽  
The Self ◽  
Low Molecular Weight ◽  
Patterned Media ◽  
Nanodot Arrays ◽  
Self Assembled ◽  
Ultrahigh Density ◽  
Long Range Ordering ◽  
Guide Lines

We demonstrate the possibility of forming long-range-ordered self-assembled nanodot arrays with dots size of 5 nm and pitches of 10×7.5 nm2using guide line templates and low molecular weight (MW) (4,700–1,200 g/mol) poly (styrene)-poly (dimethylsiloxane) (PS-PDMS) for application in ultrahigh density patterned media. The self-assembled PDMS nanodots are controlled in a long range by varying the heights and gaps of the guide lines. Adopting the 14-nm-high resist guide lines with suitable gaps, the 5-nm-sized and 10×7.5 nm2-pitched self-assembled nanodots were ordered in maximum 7 dot arrays with long-range order. The experimental results demonstrate that the method is possible for achieving patterned media with magnetic recording densities of 8.6 Tbit/in.2using low MW PS-PDMS and slim guide lines.

Fabrication of ridge-and-groove servo pattern consisting of self-assembled dots for high-density bit patterned media

2010 ◽  
Author(s):  
Yoshiyuki Kamata ◽  
Akira Kikitsu ◽  
Naoko Kihara ◽  
Seiji Morita ◽  
Kaori Kimura ◽  
...  
Keyword(s):  
High Density ◽  
Bit Patterned Media ◽  
Patterned Media ◽  
Self Assembled

Application of Image Processing to Characterize Patterning Noise in Self-Assembled Nano-Masks for Bit-Patterned Media

2009 ◽  
Vol 45 (10) ◽  
pp. 3523-3526 ◽  
Author(s):  
S. Nabavi ◽  
B.V.K. Vijaya Kumar ◽  
J.A. Bain ◽  
C. Hogg ◽  
S.A. Majetich
Keyword(s):  
Image Processing ◽  
Bit Patterned Media ◽  
Patterned Media ◽  
Self Assembled

Self-assembled PS-PMMA nanodot array pattern arranged in a parallelogram guide

2005 ◽  
Vol 901 ◽  
Author(s):  
Kaori Kimura ◽  
Masatoshi Sakurai
Keyword(s):  
Phase Separation ◽  
Block Copolymer ◽  
Film Thickness ◽  
Nanoimprint Lithography ◽  
Pmma Film ◽  
Patterned Media ◽  
Nanodot Array ◽  
Self Assembling ◽  
Array Pattern ◽  
Self Assembled

AbstractMask patterns for XY-type magnetic patterned media using phase separation of polystyrene-polymethylmethacrylate (PS-PMMA) block copolymer were fabricated. Parallelogram guides molded by the nanoimprint lithography controlled the PS-PMMA self-assembling pattern that formed in the guide area. 45nm-pitch defect-free PS-PMMA dot patterns were obtained within a 1μm × 1μm area by optimizing the PS-PMMA film thickness.

Orientation and Position Control of Self-Assembled Polymer Pattern for Bit-Patterned Media

2014 ◽  
Vol 50 (3) ◽  
pp. 47-50 ◽  
Author(s):  
Ryousuke Yamamoto ◽  
Masahiro Kanamaru ◽  
Katsuya Sugawara ◽  
Norikatsu Sasao ◽  
Yasuaki Ootera ◽  
...  
Keyword(s):  
Position Control ◽  
Bit Patterned Media ◽  
Patterned Media ◽  
Self Assembled

Fabrication of Ridge-and-Groove Servo Pattern Consisting of Self-Assembled Dots for 2.5 $\hbox{Tb/in}^{2}$ Bit Patterned Media

2011 ◽  
Vol 47 (1) ◽  
pp. 51-54 ◽  
Author(s):  
Yoshiyuki Kamata ◽  
Akira Kikitsu ◽  
Naoko Kihara ◽  
Seiji Morita ◽  
Kaori Kimura ◽  
...  
Keyword(s):  
Bit Patterned Media ◽  
Patterned Media ◽  
Self Assembled

Micromagnetic specifications for recording self-assembled bit-patterned media

2012 ◽  
Vol 111 (7) ◽  
pp. 07B904 ◽  
Author(s):  
Yan Dong ◽  
Yao Wang ◽  
R. H. Victora
Keyword(s):  
Bit Patterned Media ◽  
Patterned Media ◽  
Self Assembled
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