DE3529580A1 - Magnetischer aufzeichnungstraeger - Google Patents
Magnetischer aufzeichnungstraegerInfo
- Publication number
- DE3529580A1 DE3529580A1 DE19853529580 DE3529580A DE3529580A1 DE 3529580 A1 DE3529580 A1 DE 3529580A1 DE 19853529580 DE19853529580 DE 19853529580 DE 3529580 A DE3529580 A DE 3529580A DE 3529580 A1 DE3529580 A1 DE 3529580A1
- Authority
- DE
- Germany
- Prior art keywords
- recording medium
- magnetic recording
- medium according
- dipl
- film
- 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
- 239000000178 monomer Substances 0.000 claims description 9
- -1 Ta 2 O 5 Inorganic materials 0.000 claims description 8
- 239000000758 substrate Substances 0.000 claims description 8
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 6
- ZQBFAOFFOQMSGJ-UHFFFAOYSA-N hexafluorobenzene Chemical compound FC1=C(F)C(F)=C(F)C(F)=C1F ZQBFAOFFOQMSGJ-UHFFFAOYSA-N 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 4
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 4
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 3
- 239000005977 Ethylene Substances 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 3
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 3
- WSJULBMCKQTTIG-OWOJBTEDSA-N (e)-1,1,1,2,3,4,4,4-octafluorobut-2-ene Chemical compound FC(F)(F)C(/F)=C(\F)C(F)(F)F WSJULBMCKQTTIG-OWOJBTEDSA-N 0.000 claims description 2
- LGPPATCNSOSOQH-UHFFFAOYSA-N 1,1,2,3,4,4-hexafluorobuta-1,3-diene Chemical compound FC(F)=C(F)C(F)=C(F)F LGPPATCNSOSOQH-UHFFFAOYSA-N 0.000 claims description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 2
- 239000004215 Carbon black (E152) Substances 0.000 claims description 2
- 229910017768 LaF 3 Inorganic materials 0.000 claims description 2
- 239000004341 Octafluorocyclobutane Substances 0.000 claims description 2
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 claims description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 2
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 claims description 2
- WBCLXFIDEDJGCC-UHFFFAOYSA-N hexafluoro-2-butyne Chemical compound FC(F)(F)C#CC(F)(F)F WBCLXFIDEDJGCC-UHFFFAOYSA-N 0.000 claims description 2
- 229930195733 hydrocarbon Natural products 0.000 claims description 2
- 150000002430 hydrocarbons Chemical class 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 claims description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000010410 layer Substances 0.000 description 45
- 238000005260 corrosion Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 9
- 230000007797 corrosion Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 230000000052 comparative effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 3
- 239000000696 magnetic material Substances 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 2
- 150000002222 fluorine compounds Chemical class 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 238000007738 vacuum evaporation Methods 0.000 description 2
- OEPOKWHJYJXUGD-UHFFFAOYSA-N 2-(3-phenylmethoxyphenyl)-1,3-thiazole-4-carbaldehyde Chemical compound O=CC1=CSC(C=2C=C(OCC=3C=CC=CC=3)C=CC=2)=N1 OEPOKWHJYJXUGD-UHFFFAOYSA-N 0.000 description 1
- 241000039087 Apostates Species 0.000 description 1
- 229910004261 CaF 2 Inorganic materials 0.000 description 1
- 230000005374 Kerr effect Effects 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 229910016629 MnBi Inorganic materials 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920002433 Vinyl chloride-vinyl acetate copolymer Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 125000001891 dimethoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000006199 nebulizer Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/73—Base layers, i.e. all non-magnetic layers lying under a lowermost magnetic recording layer, e.g. including any non-magnetic layer in between a first magnetic recording layer and either an underlying substrate or a soft magnetic underlayer
- G11B5/739—Magnetic recording media substrates
- G11B5/73923—Organic polymer substrates
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/62—Record carriers characterised by the selection of the material
- G11B5/72—Protective coatings, e.g. anti-static or antifriction
- G11B5/726—Two or more protective coatings
- G11B5/7262—Inorganic protective coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/3154—Of fluorinated addition polymer from unsaturated monomers
- Y10T428/31544—Addition polymer is perhalogenated
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Magnetic Record Carriers (AREA)
- Paints Or Removers (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59172239A JPS6150236A (ja) | 1984-08-18 | 1984-08-18 | 磁気記録媒体の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3529580A1 true DE3529580A1 (de) | 1986-02-27 |
| DE3529580C2 DE3529580C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-12-21 |
Family
ID=15938194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19853529580 Granted DE3529580A1 (de) | 1984-08-18 | 1985-08-19 | Magnetischer aufzeichnungstraeger |
Country Status (5)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3714358A1 (de) * | 1986-05-02 | 1987-11-05 | Tdk Corp | Magnetischer aufzeichnungstraeger und verfahren zu seiner herstellung |
| DE3635524A1 (de) * | 1986-10-18 | 1988-04-28 | Leybold Ag | Verfahren zum herstellen von schutzschichten auf magnetischen datentraegern und durch das verfahren hergestellter datentraeger |
Families Citing this family (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6240652A (ja) * | 1985-08-17 | 1987-02-21 | Tdk Corp | 光磁気記録媒体 |
| JPS6243849A (ja) * | 1985-08-20 | 1987-02-25 | Tdk Corp | 光磁気記録媒体 |
| JPS6246447A (ja) * | 1985-08-22 | 1987-02-28 | Tdk Corp | 光磁気記録媒体 |
| US4737408A (en) * | 1985-08-21 | 1988-04-12 | Tdk Corporation | Magneto-optical recording medium having plasma-polymerized protective layers |
| EP0245833B1 (en) * | 1986-05-14 | 1991-10-09 | Teijin Limited | Magneto-optical recording medium |
| JPS62293536A (ja) * | 1986-06-13 | 1987-12-21 | Hitachi Ltd | 光磁気デイスク |
| JPS639050A (ja) * | 1986-06-28 | 1988-01-14 | Pioneer Electronic Corp | 光磁気記録媒体 |
| JPS63113835A (ja) * | 1986-10-29 | 1988-05-18 | Kyocera Corp | 光磁気記録素子 |
| US4879205A (en) * | 1987-01-20 | 1989-11-07 | Kabushiki Kaisha Toshiba | Information storage medium and a method of manufacturing the same |
| JPH01173454A (ja) * | 1987-12-28 | 1989-07-10 | Mitsubishi Kasei Corp | 光磁気記録媒体 |
| US5571629A (en) * | 1987-07-10 | 1996-11-05 | Tdk Corporation | Optical recording medium |
| EP0376678B1 (en) * | 1988-12-28 | 1995-03-01 | Canon Kabushiki Kaisha | Information recording medium |
| JP2558011B2 (ja) * | 1990-01-31 | 1996-11-27 | インターナシヨナル・ビジネス・マシーンズ・コーポレーシヨン | 磁気光学記憶媒体 |
| JPH06349137A (ja) * | 1990-09-14 | 1994-12-22 | Komag Inc | 光学的または磁気光学的データ記憶媒体のためのアモルファスまたは準アモルファス膜構造、光学的データ記憶装置及びその製造方法 |
| US5525392A (en) * | 1992-12-10 | 1996-06-11 | International Business Machines Corporation | Magnetic recording medium having a fluorinated polymeric protective layer formed by an ion beam |
| US5558085A (en) * | 1993-01-29 | 1996-09-24 | Aradigm Corporation | Intrapulmonary delivery of peptide drugs |
| EP0627734A1 (en) * | 1993-06-04 | 1994-12-07 | Canon Kabushiki Kaisha | Process for manufacturing optical recording medium |
| US5677051A (en) * | 1993-11-30 | 1997-10-14 | Tdk Corporation | Magnetic recording medium having a specified plasma polymerized hydrogen containing carbon film and lubricant |
| US5776575A (en) * | 1994-04-27 | 1998-07-07 | Canon Kabushiki Kaisha | Information recording medium and process for production thereof |
| EP0694914A1 (en) * | 1994-07-25 | 1996-01-31 | Canon Kabushiki Kaisha | Information recording medium and method for recording and reproducing thereof |
| US6268073B1 (en) | 1998-11-09 | 2001-07-31 | Seagate Technology Llc | Flash layer overcoat for magnetically-induced super resolution magneto-optical media |
| US6381200B1 (en) | 1998-11-18 | 2002-04-30 | Seagate Technology Llc | Flash layer overcoat for first surface magneto-optical media |
| US6355342B1 (en) | 1998-11-18 | 2002-03-12 | Seagate Technology Llc | Flash layer overcoat for high density multilayer magneto-optical media |
| US6324131B1 (en) | 1999-01-04 | 2001-11-27 | Seagate Technology Llc | Low glide magneto-optical recording medium |
| US6764757B1 (en) | 2000-07-10 | 2004-07-20 | Seagate Technology Llc | Recording medium with a lubricating layer having increased thermal stability |
| US20030228497A1 (en) * | 2002-06-05 | 2003-12-11 | Mei-Ling Wu | Protective overcoat materials |
| US20090001130A1 (en) | 2007-03-15 | 2009-01-01 | Hess Christopher J | Surgical procedure using a cutting and stapling instrument having releasable staple-forming pockets |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321907A1 (de) * | 1982-06-18 | 1983-12-22 | TDK Corporation, Tokyo | Magnetischer aufzeichnungstraeger |
| DE3406587A1 (de) * | 1983-02-24 | 1984-08-30 | Fuji Photo Film Co., Ltd., Minami Ashigara, Kanagawa | Magnetisches aufzeichnungsmaterial vom typ eines metallischen duennfilms |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4307156A (en) * | 1978-06-13 | 1981-12-22 | Nippon Electric Co., Ltd. | Magnetic record member |
| US4414650A (en) * | 1980-06-23 | 1983-11-08 | Sharp Kabushiki Kaisha | Magneto-optic memory element |
| JPS5766549A (en) * | 1980-10-09 | 1982-04-22 | Sharp Corp | Magnetooptical storage element |
| JPS57135442A (en) * | 1981-02-16 | 1982-08-21 | Fuji Photo Film Co Ltd | Magnetic recording medium and its manufacture |
| US4495242A (en) * | 1981-04-02 | 1985-01-22 | Fuji Photo Film Co., Ltd. | Magnetic recording medium |
| JPS57164432A (en) * | 1981-04-02 | 1982-10-09 | Fuji Photo Film Co Ltd | Magnetic recording medium |
| JPS5819739A (ja) * | 1981-07-29 | 1983-02-04 | Sony Corp | 薄膜磁気記録媒体 |
| JPH079699B2 (ja) * | 1982-04-15 | 1995-02-01 | 日本電気株式会社 | 磁気ディスク記憶媒体 |
| JPS5972653A (ja) * | 1982-10-20 | 1984-04-24 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPS59109784A (ja) * | 1982-12-15 | 1984-06-25 | Japan Atom Energy Res Inst | 高熱流束受熱装置 |
| JPS59160828A (ja) * | 1983-03-01 | 1984-09-11 | Fuji Photo Film Co Ltd | 磁気記録媒体 |
| JPH0766528B2 (ja) * | 1983-03-18 | 1995-07-19 | 富士写真フイルム株式会社 | 磁気記録媒体 |
| DE3374152D1 (en) * | 1983-05-02 | 1987-11-26 | Ibm Deutschland | Device consisting of a magnetic disc with a lubricant and a magnetic head, and process for manufacturing the device |
-
1984
- 1984-08-18 JP JP59172239A patent/JPS6150236A/ja active Granted
-
1985
- 1985-08-15 GB GB8520483A patent/GB2164269B/en not_active Expired
- 1985-08-16 FR FR8512462A patent/FR2571533B1/fr not_active Expired - Fee Related
- 1985-08-19 DE DE19853529580 patent/DE3529580A1/de active Granted
-
1988
- 1988-03-28 US US07/173,042 patent/US4925733A/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321907A1 (de) * | 1982-06-18 | 1983-12-22 | TDK Corporation, Tokyo | Magnetischer aufzeichnungstraeger |
| DE3406587A1 (de) * | 1983-02-24 | 1984-08-30 | Fuji Photo Film Co., Ltd., Minami Ashigara, Kanagawa | Magnetisches aufzeichnungsmaterial vom typ eines metallischen duennfilms |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3714358A1 (de) * | 1986-05-02 | 1987-11-05 | Tdk Corp | Magnetischer aufzeichnungstraeger und verfahren zu seiner herstellung |
| DE3635524A1 (de) * | 1986-10-18 | 1988-04-28 | Leybold Ag | Verfahren zum herstellen von schutzschichten auf magnetischen datentraegern und durch das verfahren hergestellter datentraeger |
Also Published As
| Publication number | Publication date |
|---|---|
| GB8520483D0 (en) | 1985-09-18 |
| DE3529580C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-12-21 |
| GB2164269B (en) | 1987-11-18 |
| US4925733A (en) | 1990-05-15 |
| GB2164269A (en) | 1986-03-19 |
| JPH0555942B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-08-18 |
| FR2571533B1 (fr) | 1995-02-10 |
| JPS6150236A (ja) | 1986-03-12 |
| FR2571533A1 (fr) | 1986-04-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |