Search Results:　 1-20 of 61

1

High Density Recording with Guided-Layer Media

Kwon Tae-Wook , Han In-Gu , Kim Jin-Hong , Seo Jeong-Kyo , Lee Jung-Joon , Min Byung-Hoon

… Recording characteristics of guided-layer media consisting of planar recording layer and land/groove patterned guided-layer were investigated. … Guided-media can be operated with a focusing servo and a tracking servo on the planar recording layer and the guided-layer, respectively. …

Jpn J Appl Phys 51(8), 08JE02-08JE02-4, 2012-08-25

The Japan Society of Applied Physics
2

Robust Adjacent Track Servo System with Linear Positioning Method

Urakawa Yoshiyuki , Deoka Yoshihiko , Suzuki Yuichi , Mukasa Tomoharu , Horigome Junichi

… A multilayer disk without a guide groove can be a large-capacity and price-competitive optical disk. … We propose a novel tracking servo system that is robust and accurate for disks without grooves. … We use only one reference layer for which the linear positioning method is employed, which enables us to obtain tracking servo information over the whole disk radius. …

Jpn J Appl Phys 51(8), 08JA02-08JA02-4, 2012-08-25

The Japan Society of Applied Physics
3

Analysis of Disturbance on Differential Push–Pull Tracking with Dual-Layer Optical Disc

Itonaga Makoto , Eguchi Hideharu , Sakurauchi Kiyoshi , Saito Toshiya

… In this paper, we analyze the disturbance of tracking error signal caused by layer cross talk on playback of a dual-layer disc. … The origin is the groove of the cross-talk layer. …

Jpn J Appl Phys 47(7), 5828-5831, 2008-07-25

The Japan Society of Applied Physics
4

239 Development of groove tracking method by evaluating the arc shape (2nd Report) [in Japanese]

IIZUKA Takahisa , ITOU Jun

Pre-Prints of the National Meeting of JWS (77), 150-151, 2005-08-20

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5

238 Sensing and Seam Tracking of Welding Line in Robot Welding [in Japanese]

YUZAWA Hiroki , YAMANE Satoshi , YAMAMOTO Hikaru , HIRAKAWA Manabu , OSHIMA Kenji , KANEKO Yasuyoshi

Pre-Prints of the National Meeting of JWS (77), 148-149, 2005-08-20

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6

Study on Noise Generation Mechanism in Dry Hybrid V-Belt Type CVT [in Japanese]

KANAGAWA Junya , OKUBO Kazuya , FUJII Toru , TAKAHASHI Mitsuhiko

… Tracking analyses were conducted to identify locations of noise sources by using a simple two pulleys belt system. … This coincidence indicates that the noise with high frequencies like an impact sound is generated due to collision between CVT blocks and the pulley at both entrance and exit of the pulley groove. …

Proceedings of the ... annual meeting of JSME/MMD 2003, 29-30, 2003-09-23

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7

Development of groove tracking by evaluating the arc shape [in Japanese]

IIZUKA Takahisa , ITOU Jun

Pre-Prints of the National Meeting of JWS (73), 220-221, 2003-09-08

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8

Modified Correct Far-Field Detection Method for Optical Disk System Corresponding to Various Digital Versatile Discs with Different Groove Specifications

ASADA Jun'ichi , KAYAMA Hiroshi , NAGASHIMA Kenji , NISHIWAKI Seiji , MOMOO Kazuo , SAITOH Youichi

… We propose and experimentally prove a new signal detection method for optical disc systems, named "modified correct far-field (MCFF)", which realizes a stable servo control to various digital versatile discs (DVDs) with different groove specifications with using one photo detector. …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 41(11A), 6386-6389, 2002-11-15

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics
9

2O1700 Detection of Tracking a DNA groove by RNA polymerase during sliding [in Japanese]

Sakata-Sogawa K. , Shimamoto N.

Biophysics 42(SUPPLEMENT_2), S147, 2002-10-10

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10

Development of Automatic Welding System with Groove Edge Tracking [in Japanese]

Iizuka Takahisa , Mizuno Hideaki , Itou Jun , Kinoshita Hiroki

Pre-Prints of the National Meeting of JWS (71), 232-233, 2002-09-03

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11

Challenge of Near-Field Recording beyond 50.4 Gbit/in^2

KISHIMA Koichiro , ICHIMURA Isao , SAITO Kimihiro , YAMAMOTO Kenji , KURODA Yuji , IIDA Atsushi , MASUHARA Shin , OSATO Kiyoshi

… The disk structure was optimized to maximize readout signals under the land-and-groove recording condition at a tracking pitch of 160 nm. …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 41(3B), 1894-1897, 2002-03-30

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics References (7)
12

Master Recording for High-Density Disk Using 248 nm Laser Beam Recorder

ABE Shinya , SATO Shuji , ITO Eiichi , TSUKUDA Masahiko , TOMIYAMA Morio , OHNO Eiji

… It was confirmed that the LBR performance was such that a groove of even 0.26 μm track pitch could be recorded, and the shape was observed with a scanning electron microscope (SEM). …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 41(3B), 1704-1708, 2002-03-30

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics References (2) Cited by (1)
13

Detection of DNA-groove tracking during sliding of RNA polymerase [in Japanese]

Sakata-Sogawa K. , Shimamoto N.

Biophysics 41(SUPPLEMENT1), S88, 2001-09-10

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14

Simultaneous Control of Torch Aiming and Deposition Rate to Groove Gap with High Frequency Oscillation Arc Sensor : Development of the High Frequency Oscillation Arc (Report III) [in Japanese]

KODAMA Masaru , GODA Hozumi , IWABUTI Hiroshi

… In ships and bridges, however, the latter stages of the manufacturing process often involve large three-dimensional structures featuring tight spaces and poor groove precision, and the use of robotic welding is difficult. … The main issues to be addressed in these cases are automation technology for groove sensing, as well as superior handling. …

quarterly journal of the Japan Welding Society 19(2), 299-307, 2001-05-05

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15

Arc Sensor for Simultaneous Detection of Deviation in Torch Aiming and Gap Width : Development of the High Frequency Oscillation Arc (Report II) [in Japanese]

KODAMA Masaru , GODA Hozumi , IWABUTI Hiroshi

… As is generally known, arc sensors do not require special sensor elements, and feature a number of practical advantages such as welding current/voltage-based detection of deviation in torch aiming from the groove center. … However, conventional arc sensors suffer from erroneous detection in cases where gap width within the groove is uneven, making it impossible to detect deviation in torch aiming. …

quarterly journal of the Japan Welding Society 19(2), 287-298, 2001-05-05

CiNii Fulltext PDF - Open Access References (17) Cited by (1)
16

Near-Field Optical Recording on a Pre-Grooved Phase-Change Disk in the Blue-Violet

Ichimura Isao , Kishima Koichiro , Saito Kimihiro , Yamamoto Kenji , Kuroda Yuji , Iida Atsushi , Masuhara Shin , Osato Kiyoshi

… The SIL unit was mounted on a two-axis actuator for enabling both gap-height and tracking controls. … Groove structures were fabricated on a glass substrate by a reactive-ion-etching (RIE) process and flattened with spin-on-glass (SOG) coating for obtaining reliable push-pull tracking error signals. …

Jpn J Appl Phys 40(3B), 1821-1826, 2001-03-30

The Japan Society of Applied Physics References (15) Cited by (4)
17

A Novel Pickup Head Design for DVD-Multi System

Huang Der-Ray , Ju Jau-Jiu , Wei Li-Ding , Chang Chi-Lone , Shih Hsi-Fu , Yang Tzu-Ping

… This paper introduces a novel holographic optical element (HOE) pattern design to generate focusing and tracking signal for using in digital versatile disc DVD-multi pickup heads. … The HOE design provides the focusing error signal and both differential phase detection (DPD) and pushpull tracking signals for DVD-ROM disks and rewritable land-groove disks. … The inner region is for focus detection and the outer region is for DPD and Pushpull tracking detection. …

Jpn J Appl Phys 40(3B), 1768-1770, 2001-02-30

The Japan Society of Applied Physics References (1)
18

F114 THREE-DIMENSIONAL ANALYSIS FOR THE FILM FLOW WITH CONDENSATION ON A GROOVED VERTICAL TUBE(Numerical methods-2)

PARK IL SEOUK , CHOI DO HYUNG

… By taking full account of the surface-tension effects, the condensation along the film/groove surface is carefully examined. … Comparison with measured data of the fully developed flow for the groove of a triangular shape shows that the present surface-tracking scheme is accurate. …

Proceedings of the ... JSME-KSME Thermal Engineering Conference 1(00-202), "1-543"-"1-547", 2000-10-01

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19

Does RNA polymerase track a groove during its sliding along DNA? [in Japanese]

Sakata-Sogawa K. , Shimamoto N.

Biophysics 40(SUPPLEMENT1), S154, 2000-08-05

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20

Optical Disk Readout Analysis Using an Extended Point Spread Function

SAITO Kimihiro , UEMURA Kamon , KATO Yoshiaki , HINENO Satoshi , MATSUMOTO Yoshiyuki , NISHI Noriaki , TOYOTA Kiyoshi

… Our method can be applied to the case where the marks are recorded in a groove and the photodetector has an arbitrary shape. … Four analyses examples are reported: analysis of the tracking error detection method termed the differential phase detection(DPD), focus shift dependency of readout signal jitter when the marks are recorded in a groove, EPSF for land and groove readout, and a compatible readout method for digital versatile disks and compact disks. …

Japanese journal of applied physics. Pt. 1, Regular papers & short notes 39(2B), 693-697, 2000-02-28

CiNii Fulltext PDF - Paid The Japan Society of Applied Physics References (14)

Search Results:　 1-20 of 61

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Search Results: 1-20 of 61

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Search Results:　 1-20 of 61