JPS6460819A - Magnetic recording medium - Google Patents
Magnetic recording mediumInfo
- Publication number
- JPS6460819A JPS6460819A JP62218729A JP21872987A JPS6460819A JP S6460819 A JPS6460819 A JP S6460819A JP 62218729 A JP62218729 A JP 62218729A JP 21872987 A JP21872987 A JP 21872987A JP S6460819 A JPS6460819 A JP S6460819A
- Authority
- JP
- Japan
- Prior art keywords
- powder
- inorg
- thickness
- back layer
- platy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62218729A JPH0770043B2 (ja) | 1987-08-31 | 1987-08-31 | 磁気記録媒体 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62218729A JPH0770043B2 (ja) | 1987-08-31 | 1987-08-31 | 磁気記録媒体 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6460819A true JPS6460819A (en) | 1989-03-07 |
JPH0770043B2 JPH0770043B2 (ja) | 1995-07-31 |
Family
ID=16724522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62218729A Expired - Fee Related JPH0770043B2 (ja) | 1987-08-31 | 1987-08-31 | 磁気記録媒体 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0770043B2 (ja) |
Cited By (96)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03288324A (ja) * | 1990-04-05 | 1991-12-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPH0444629A (ja) * | 1990-06-11 | 1992-02-14 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPH04119518A (ja) * | 1990-09-10 | 1992-04-21 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPH04228108A (ja) * | 1990-09-10 | 1992-08-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
EP0700035A1 (en) | 1994-09-05 | 1996-03-06 | Victor Company Of Japan, Limited | Magnetic recording medium |
JP2001331928A (ja) * | 2000-03-16 | 2001-11-30 | Toda Kogyo Corp | 磁気記録媒体 |
US9721606B2 (en) | 2015-07-28 | 2017-08-01 | Fujifilm Corporation | Magnetic tape and method of manufacturing the same |
US9984710B2 (en) | 2015-12-16 | 2018-05-29 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the backcoat and magnetic layer and method of manufacturing the same |
US10026433B2 (en) | 2015-08-21 | 2018-07-17 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the magnetic layer and method of manufacturing the same |
US10026435B2 (en) | 2015-08-21 | 2018-07-17 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the backcoat layer and method of manufacturing the same |
US10026434B2 (en) | 2015-08-21 | 2018-07-17 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the magnetic layer and method of manufacturing the same |
US10347280B2 (en) | 2016-06-23 | 2019-07-09 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10347279B2 (en) | 2016-02-03 | 2019-07-09 | Fujifilm Corporation | Magnetic tape having characterized backcoat layer and method of manufacturing the same |
US10360937B2 (en) | 2017-03-29 | 2019-07-23 | Fujifilm Corporation | Magnetic tape device and head tracking servo method |
US10366721B2 (en) | 2017-06-23 | 2019-07-30 | Fujifilm Corporation | Head positioning of timing-based servo system for magnetic tape recording device |
US10373639B2 (en) | 2017-03-29 | 2019-08-06 | Fujifilm Corporation | Magnetic tape device and head tracking servo method |
US10373633B2 (en) | 2016-12-27 | 2019-08-06 | Fujifilm Corporation | Magnetic tape device and head tracking servo method |
US10395685B2 (en) | 2017-03-29 | 2019-08-27 | Fujifilm Corporation | Magnetic tape device and head tracking servo method |
US10403317B2 (en) | 2017-03-29 | 2019-09-03 | Fujifilm Corporation | Magnetic tape device and magnetic reproducing method |
US10403314B2 (en) | 2017-02-20 | 2019-09-03 | Fujifilm Corporation | Magnetic tape device employing TMR head and magnetic tape with characterized magnetic layer, and head tracking servo method |
US10403316B2 (en) | 2017-07-19 | 2019-09-03 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer with servo pattern and magnetic tape device |
US10403312B2 (en) | 2017-03-29 | 2019-09-03 | Fujifilm Corporation | Magnetic tape device and magnetic reproducing method |
US10403318B2 (en) | 2016-06-24 | 2019-09-03 | Fujifilm Corporation | Magnetic tape having characterized back coating layer |
US10403319B2 (en) | 2015-12-16 | 2019-09-03 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer, tape cartridge, and recording and reproducing device |
US10403320B2 (en) | 2016-12-27 | 2019-09-03 | Fujifilm Corporation | Magnetic tape device with TMR head and specific logarithmic decrement and magnetic reproducing method |
US10410665B2 (en) | 2017-03-29 | 2019-09-10 | Fujifilm Corporation | Magnetic tape device and magnetic reproducing method |
US10410666B2 (en) | 2017-03-29 | 2019-09-10 | Fujifilm Corporation | Magnetic tape device and magnetic reproducing method |
US10424330B2 (en) | 2017-02-20 | 2019-09-24 | Fujifilm Corporation | Magnetic tape having characterized back coating layer |
US10431251B2 (en) | 2017-03-29 | 2019-10-01 | Fujifilm Corporation | Magnetic tape device and magnetic reproducing method |
US10431250B2 (en) | 2017-02-20 | 2019-10-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10431249B2 (en) | 2016-06-23 | 2019-10-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10431248B2 (en) | 2016-06-10 | 2019-10-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10438621B2 (en) | 2017-02-20 | 2019-10-08 | Fujifilm Corporation | Magnetic tape having characterized back coating layer |
US10438625B2 (en) | 2017-02-20 | 2019-10-08 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10438622B2 (en) | 2017-02-20 | 2019-10-08 | Fujifilm Corporation | Magnetic tape device and head tracking servo method |
US10438624B2 (en) | 2017-02-20 | 2019-10-08 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10438628B2 (en) | 2016-12-27 | 2019-10-08 | Fujifilm Corporation | Magnetic tape device with magnetic tape having particular C-H derived C concentration and magnetic reproducing method |
US10438623B2 (en) | 2017-03-29 | 2019-10-08 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10453488B2 (en) | 2017-02-20 | 2019-10-22 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10460756B2 (en) | 2017-02-20 | 2019-10-29 | Fujifilm Corporation | Magnetic tape device and head tracking servo method employing TMR element servo head and magnetic tape with characterized magnetic layer |
US10477072B2 (en) | 2016-06-22 | 2019-11-12 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and hexagonal ferrite powder |
US10475481B2 (en) | 2016-02-03 | 2019-11-12 | Fujifilm Corporation | Magnetic tape having characterized backcoat layer and method of manufacturing the same |
US10475480B2 (en) | 2017-02-20 | 2019-11-12 | Fujifilm Corporation | Magnetic tape having characterized back coating and magnetic layers |
US10482915B2 (en) | 2016-12-27 | 2019-11-19 | Fujifilm Corporation | Magnetic tape device and magnetic reproducing method employing TMR head and magnetic tape having characterized magnetic layer |
US10482913B2 (en) | 2017-02-20 | 2019-11-19 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10490220B2 (en) | 2017-03-29 | 2019-11-26 | Fujifilm Corporation | Magnetic tape device, magnetic reproducing method, and head tracking servo method |
US10497389B2 (en) | 2016-06-13 | 2019-12-03 | Fujifilm Corporation | Magnetic tape and magnetic tape device |
US10497384B2 (en) | 2017-02-20 | 2019-12-03 | Fujifilm Corporation | Magnetic tape device and reproducing method employing TMR reproducing head and magnetic tape with characterized magnetic layer |
US10497388B2 (en) | 2016-06-23 | 2019-12-03 | Fujifilm Corporation | Magnetic tape including characterized magnetic layer |
US10504546B2 (en) | 2016-06-23 | 2019-12-10 | Fujifilm Corporation | Magnetic tape having characterized magnetic particles and magnetic tape device |
US10510369B2 (en) | 2016-06-23 | 2019-12-17 | Fujifilm Corporation | Magnetic tape having characterized magnetic particles and magnetic tape device |
US10510368B2 (en) | 2016-06-23 | 2019-12-17 | Fujifilm Corporation | Magnetic tape including characterized magnetic layer and magnetic tape device |
US10510370B2 (en) | 2016-06-23 | 2019-12-17 | Fujifilm Corporation | Magnetic tape including characterized magnetic layer and magnetic tape device |
US10515657B2 (en) | 2017-09-29 | 2019-12-24 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device |
US10515660B2 (en) | 2016-06-22 | 2019-12-24 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the back coating layer and magnetic layer |
US10522180B2 (en) | 2015-12-16 | 2019-12-31 | Fujifilm Corporation | Magnetic tape including characterized magnetic layer, tape cartridge, recording and reproducing device, and method of manufacturing |
US10522179B2 (en) | 2016-08-31 | 2019-12-31 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10522171B2 (en) | 2016-06-23 | 2019-12-31 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the magnetic layer |
US10529368B2 (en) | 2016-08-31 | 2020-01-07 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and back coating layer |
US10540996B2 (en) | 2015-09-30 | 2020-01-21 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10546602B2 (en) | 2017-02-20 | 2020-01-28 | Fujifilm Corporation | Magnetic tape device and reproducing method employing TMR reproducing head and tape with characterized XRD intensity ratio |
US10546605B2 (en) | 2017-03-29 | 2020-01-28 | Fujifilm Corporation | Head tracking servo method for magnetic tape recording device |
US10573341B2 (en) | 2015-12-25 | 2020-02-25 | Fujifilm Corporation | Magnetic tape and method of manufacturing the same |
US10573338B2 (en) | 2017-02-20 | 2020-02-25 | Fujifilm Corporation | Magnetic tape device and magnetic reproducting method employing TMR head and tape with characterized magnetic layer |
US10692522B2 (en) | 2016-09-16 | 2020-06-23 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer and method for manufacturing same |
US20200211592A1 (en) | 2018-12-28 | 2020-07-02 | Fujifilm Corporation | Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus |
US10714139B2 (en) | 2017-07-19 | 2020-07-14 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer |
US10770105B2 (en) | 2017-07-19 | 2020-09-08 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10839849B2 (en) | 2017-07-19 | 2020-11-17 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer |
US10839851B2 (en) | 2017-07-19 | 2020-11-17 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer |
US10839850B2 (en) | 2017-07-19 | 2020-11-17 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10854234B2 (en) | 2017-09-29 | 2020-12-01 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device |
US10854229B2 (en) | 2017-07-19 | 2020-12-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10854233B2 (en) | 2017-09-29 | 2020-12-01 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device |
US10854230B2 (en) | 2017-07-19 | 2020-12-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
US10854231B2 (en) | 2017-09-29 | 2020-12-01 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device |
US10854227B2 (en) | 2017-07-19 | 2020-12-01 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer |
US10854226B2 (en) | 2017-07-19 | 2020-12-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10854232B2 (en) | 2017-07-19 | 2020-12-01 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer |
US10854228B2 (en) | 2017-07-19 | 2020-12-01 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer |
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US10978105B2 (en) | 2017-09-29 | 2021-04-13 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device |
US11361792B2 (en) | 2018-03-23 | 2022-06-14 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device |
US11361793B2 (en) | 2018-03-23 | 2022-06-14 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device |
US11373680B2 (en) | 2017-09-29 | 2022-06-28 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device |
US11417358B2 (en) | 2019-01-31 | 2022-08-16 | Fujifilm Corporation | Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus |
US11417359B2 (en) | 2019-09-17 | 2022-08-16 | Fujifilm Corporation | Magnetic recording medium having characterized magnetic layer and magnetic recording and reproducing device |
US11417357B2 (en) | 2018-07-27 | 2022-08-16 | Fujifilm Corporation | Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus |
US11430478B2 (en) | 2018-12-28 | 2022-08-30 | Fujifilm Corporation | Magnetic tape, magnetic tape cartridge, and magnetic tape apparatus |
US11468911B2 (en) | 2018-10-22 | 2022-10-11 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer, magnetic tape cartridge, and magnetic tape apparatus |
US11475915B2 (en) | 2017-06-23 | 2022-10-18 | Fujifilm Corporation | Magnetic recording medium |
US11501799B2 (en) | 2017-09-29 | 2022-11-15 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic recording and reproducing device |
US11514944B2 (en) | 2018-03-23 | 2022-11-29 | Fujifilm Corporation | Magnetic tape and magnetic tape device |
US11514943B2 (en) | 2018-03-23 | 2022-11-29 | Fujifilm Corporation | Magnetic tape and magnetic tape device |
-
1987
- 1987-08-31 JP JP62218729A patent/JPH0770043B2/ja not_active Expired - Fee Related
Cited By (110)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03288324A (ja) * | 1990-04-05 | 1991-12-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPH0444629A (ja) * | 1990-06-11 | 1992-02-14 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPH04119518A (ja) * | 1990-09-10 | 1992-04-21 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
JPH04228108A (ja) * | 1990-09-10 | 1992-08-18 | Matsushita Electric Ind Co Ltd | 磁気記録媒体 |
EP0700035A1 (en) | 1994-09-05 | 1996-03-06 | Victor Company Of Japan, Limited | Magnetic recording medium |
US5648150A (en) * | 1994-09-05 | 1997-07-15 | Victor Company Of Japan, Ltd. | Magnetic recording medium having a backcoat layer containing carbon black and platelet inorganic powder |
JP2001331928A (ja) * | 2000-03-16 | 2001-11-30 | Toda Kogyo Corp | 磁気記録媒体 |
US9721606B2 (en) | 2015-07-28 | 2017-08-01 | Fujifilm Corporation | Magnetic tape and method of manufacturing the same |
US10026433B2 (en) | 2015-08-21 | 2018-07-17 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the magnetic layer and method of manufacturing the same |
US10026435B2 (en) | 2015-08-21 | 2018-07-17 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the backcoat layer and method of manufacturing the same |
US10026434B2 (en) | 2015-08-21 | 2018-07-17 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the magnetic layer and method of manufacturing the same |
US10910009B2 (en) | 2015-08-21 | 2021-02-02 | Fujifilm Corporation | Magnetic tape having a characterized magnetic layer and method of manufacturing the same |
US10540996B2 (en) | 2015-09-30 | 2020-01-21 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer and magnetic tape device |
US10522180B2 (en) | 2015-12-16 | 2019-12-31 | Fujifilm Corporation | Magnetic tape including characterized magnetic layer, tape cartridge, recording and reproducing device, and method of manufacturing |
US9984710B2 (en) | 2015-12-16 | 2018-05-29 | Fujifilm Corporation | Magnetic tape having controlled surface properties of the backcoat and magnetic layer and method of manufacturing the same |
US10403319B2 (en) | 2015-12-16 | 2019-09-03 | Fujifilm Corporation | Magnetic tape having characterized magnetic layer, tape cartridge, and recording and reproducing device |
US10573341B2 (en) | 2015-12-25 | 2020-02-25 | Fujifilm Corporation | Magnetic tape and method of manufacturing the same |
US10347279B2 (en) | 2016-02-03 | 2019-07-09 | Fujifilm Corporation | Magnetic tape having characterized backcoat layer and method of manufacturing the same |
US10475481B2 (en) | 2016-02-03 | 2019-11-12 | Fujifilm Corporation | Magnetic tape having characterized backcoat layer and method of manufacturing the same |
US10937456B2 (en) | 2016-02-29 | 2021-03-02 | Fujifilm Corporation | Magnetic tape |
US10896692B2 (en) | 2016-02-29 | 2021-01-19 | Fujifilm Corporation | Magnetic tape |
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