JP4238097B2 - コイル部品の製造方法 - Google Patents
コイル部品の製造方法 Download PDFInfo
- Publication number
- JP4238097B2 JP4238097B2 JP2003312776A JP2003312776A JP4238097B2 JP 4238097 B2 JP4238097 B2 JP 4238097B2 JP 2003312776 A JP2003312776 A JP 2003312776A JP 2003312776 A JP2003312776 A JP 2003312776A JP 4238097 B2 JP4238097 B2 JP 4238097B2
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- Prior art keywords
- insulating film
- coil
- film
- forming
- opening
- 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.)
- Expired - Lifetime
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- 238000004519 manufacturing process Methods 0.000 title claims description 45
- 239000004020 conductor Substances 0.000 claims description 109
- 239000000758 substrate Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 24
- 238000007747 plating Methods 0.000 claims description 24
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 238000000059 patterning Methods 0.000 claims description 11
- 239000010949 copper Substances 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 239000010408 film Substances 0.000 description 170
- 239000010410 layer Substances 0.000 description 45
- 229910000859 α-Fe Inorganic materials 0.000 description 12
- 239000012790 adhesive layer Substances 0.000 description 10
- 229920001721 polyimide Polymers 0.000 description 10
- 239000009719 polyimide resin Substances 0.000 description 10
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 5
- 239000010409 thin film Substances 0.000 description 5
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000006247 magnetic powder Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000004544 sputter deposition Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
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
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/1274—Structure or manufacture of heads, e.g. inductive with "composite" cores, i.e. cores composed in some parts of magnetic particles and in some other parts of magnetic metal layers
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/4906—Providing winding
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/4906—Providing winding
- Y10T29/49064—Providing winding by 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
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49069—Data storage inductor or core
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
-
- 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
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49073—Electromagnet, transformer or inductor by assembling coil and core
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Description
上記実施の形態では、フレームメッキ法を用いてコイル導体11、13及び平坦化膜31を形成しているが、本発明はこれに限られない。例えば、フレームメッキ法に代えて、スパッタリングや物理蒸着法等を用いて、コイル導体11、13及び平坦化膜31を形成してももちろんよい。
3、5、53、55 磁性基板
9 絶縁層
9a、9b、9c、9d、9e、59a、59b、59c、59d、59e 絶縁膜
11、13、61、63 コイル導体
15、17、65、67 開口部
18、68 磁性層
19、69 接着層
21、23、71、73 リード端子部
25、27、75、77 コンタクトホール
29、31 平坦化膜
33 電極膜
35 レジスト層
37 マスク
39 レジストフレーム
41 メッキ膜
Claims (8)
- 磁性基板上に絶縁膜を形成し、
前記絶縁膜に所定の開口部を形成し、
前記開口部に平坦化膜を形成し、
前記絶縁膜上に導電性材料からなるコイル導体を形成し、
前記コイル導体上にさらに絶縁膜を形成し、
前記平坦化膜を除去すること
を特徴とするコイル部品の製造方法。 - 請求項1記載のコイル部品の製造方法において、
前記平坦化膜は、前記導電性材料を用いて前記コイル導体の形成と同時に形成すること
を特徴とするコイル部品の製造方法。 - 請求項1記載のコイル部品の製造方法において、
前記平坦化膜は、前記コイル導体の形成の前に形成すること
を特徴とするコイル部品の製造方法。 - 請求項3記載のコイル部品の製造方法において、
前記平坦化膜上に、前記導電性材料を用いて前記コイル導体の形成と同時にさらに平坦化膜を形成すること
を特徴とするコイル部品の製造方法。 - 第1の磁性基板上に第1の絶縁膜を形成し、
前記第1の絶縁膜に所定の開口部を形成し、
全面に第1の金属層を形成してパターニングし、前記第1の絶縁膜上に第1のリード端子部を形成すると共に、前記開口部上に第1の平坦化膜を形成し、
全面に第2の絶縁膜を形成し、
前記第2の絶縁膜の前記開口部を開口し、
全面に第2の金属層を形成してパターニングし、前記開口部が内周側に位置するようにスパイラル状に第1のコイル導体を前記第2の絶縁膜上に形成すると共に、前記第1の平坦化膜上に第2の平坦化膜を形成し、
全面に第3の絶縁膜を形成し、
前記第3の絶縁膜の前記開口部を開口し、
全面に第3の金属層を形成してパターニングし、前記開口部が内周側に位置するようにスパイラル状に第2のコイル導体を前記第3の絶縁膜上に形成し、
全面に第4の絶縁膜を形成し、
前記第4の絶縁膜の前記開口部を開口し、
全面に第4の金属層を形成してパターニングし、前記第4の絶縁膜上に第2のリード端子部を形成し、
全面に第5の絶縁膜を形成し、
前記第5の絶縁膜の前記開口部を開口し、
前記第1及び第2の平坦化膜を除去し、
少なくとも前記開口部を埋め込む磁性層を形成し、
前記磁性層上に第2の磁性基板を固着すること
を特徴とするコイル部品の製造方法。 - 請求項5記載のコイル部品の製造方法において、
前記第1乃至第4の金属層は同一の金属材料が用いられること
を特徴とするコイル部品の製造方法。 - 請求項6記載のコイル部品の製造方法において、
前記金属材料は、銅であること
を特徴とするコイル部品の製造方法。 - 請求項1乃至7のいずれか1項に記載のコイル部品の製造方法において、
前記コイル導体はフレームメッキ法で形成すること
を特徴とするコイル部品の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003312776A JP4238097B2 (ja) | 2003-09-04 | 2003-09-04 | コイル部品の製造方法 |
US10/917,406 US7318269B2 (en) | 2003-09-04 | 2004-08-13 | Method of manufacturing coil component |
CNB2004100686474A CN100375207C (zh) | 2003-09-04 | 2004-09-03 | 线圈零件的制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003312776A JP4238097B2 (ja) | 2003-09-04 | 2003-09-04 | コイル部品の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005085800A JP2005085800A (ja) | 2005-03-31 |
JP4238097B2 true JP4238097B2 (ja) | 2009-03-11 |
Family
ID=34225116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003312776A Expired - Lifetime JP4238097B2 (ja) | 2003-09-04 | 2003-09-04 | コイル部品の製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7318269B2 (ja) |
JP (1) | JP4238097B2 (ja) |
CN (1) | CN100375207C (ja) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7280313B2 (en) * | 2004-04-30 | 2007-10-09 | Hitachi Global Storage Technologies Netherlands B.V. | High aspect ratio co-planar structure fabrication consisting of different materials |
US7365627B2 (en) * | 2006-03-14 | 2008-04-29 | United Microelectronics Corp. | Metal-insulator-metal transformer and method for manufacturing the same |
JP5182087B2 (ja) | 2006-03-29 | 2013-04-10 | 日立金属株式会社 | コイル部品およびその製造方法 |
JP4807270B2 (ja) * | 2007-01-30 | 2011-11-02 | Tdk株式会社 | コイル部品 |
US7786839B2 (en) * | 2008-12-28 | 2010-08-31 | Pratt & Whitney Rocketdyne, Inc. | Passive electrical components with inorganic dielectric coating layer |
JP2011029222A (ja) * | 2009-07-21 | 2011-02-10 | Murata Mfg Co Ltd | 電子部品 |
US8237535B2 (en) * | 2010-04-16 | 2012-08-07 | World Properties, Inc. | Integral planar transformer and busbar |
TWI611439B (zh) | 2010-07-23 | 2018-01-11 | 乾坤科技股份有限公司 | 線圈元件 |
US8601673B2 (en) * | 2010-11-25 | 2013-12-10 | Cyntec Co., Ltd. | Method of producing an inductor with a high inductance |
KR101629983B1 (ko) * | 2011-09-30 | 2016-06-22 | 삼성전기주식회사 | 코일 부품 |
KR20130066174A (ko) * | 2011-12-12 | 2013-06-20 | 삼성전기주식회사 | 코일 부품 |
KR101983152B1 (ko) * | 2013-10-16 | 2019-05-28 | 삼성전기주식회사 | 공통 모드 필터 |
KR101598256B1 (ko) * | 2013-12-04 | 2016-03-07 | 삼성전기주식회사 | 칩 전자부품 및 그 제조방법 |
KR101630083B1 (ko) * | 2014-12-03 | 2016-06-13 | 삼성전기주식회사 | 코일 부품 |
JP2017199718A (ja) * | 2016-04-25 | 2017-11-02 | Tdk株式会社 | 電子部品およびその製造方法 |
JP2017199800A (ja) * | 2016-04-27 | 2017-11-02 | Tdk株式会社 | コイル部品及び電源回路ユニット |
US11239019B2 (en) | 2017-03-23 | 2022-02-01 | Tdk Corporation | Coil component and method of manufacturing coil component |
US11398334B2 (en) * | 2018-07-30 | 2022-07-26 | At&S Austria Technologie & Systemtechnik Aktiengesellschaft | Component carrier comprising embedded inductor with an inlay |
EP3736839A1 (en) * | 2019-05-06 | 2020-11-11 | AT & S Austria Technologie & Systemtechnik Aktiengesellschaft | Component carrier comprising embedded magnet stack |
US20220068556A1 (en) * | 2020-08-25 | 2022-03-03 | Texas Instruments Incorporated | Transformers with separated magnetic members |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4735679A (en) * | 1987-03-30 | 1988-04-05 | International Business Machines Corporation | Method of improving silicon-on-insulator uniformity |
US5445996A (en) * | 1992-05-26 | 1995-08-29 | Kabushiki Kaisha Toshiba | Method for planarizing a semiconductor device having a amorphous layer |
JP3158757B2 (ja) * | 1993-01-13 | 2001-04-23 | 株式会社村田製作所 | チップ型コモンモードチョークコイル及びその製造方法 |
JP3615024B2 (ja) | 1997-08-04 | 2005-01-26 | 株式会社村田製作所 | コイル部品 |
JPH1154327A (ja) * | 1997-08-04 | 1999-02-26 | Murata Mfg Co Ltd | コイル部品 |
JP3724405B2 (ja) * | 2001-10-23 | 2005-12-07 | 株式会社村田製作所 | コモンモードチョークコイル |
US7121926B2 (en) * | 2001-12-21 | 2006-10-17 | Micron Technology, Inc. | Methods for planarization of group VIII metal-containing surfaces using a fixed abrasive article |
US7140092B2 (en) * | 2003-01-16 | 2006-11-28 | Georgia Tech Research Corporation | Methods for manufacturing inductor cores |
US7145427B2 (en) * | 2003-07-28 | 2006-12-05 | Tdk Corporation | Coil component and method of manufacturing the same |
-
2003
- 2003-09-04 JP JP2003312776A patent/JP4238097B2/ja not_active Expired - Lifetime
-
2004
- 2004-08-13 US US10/917,406 patent/US7318269B2/en active Active
- 2004-09-03 CN CNB2004100686474A patent/CN100375207C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1591713A (zh) | 2005-03-09 |
US20050050717A1 (en) | 2005-03-10 |
US7318269B2 (en) | 2008-01-15 |
CN100375207C (zh) | 2008-03-12 |
JP2005085800A (ja) | 2005-03-31 |
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