JP5781773B2 - 回路付サスペンション基板 - Google Patents
回路付サスペンション基板 Download PDFInfo
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- JP5781773B2 JP5781773B2 JP2011004248A JP2011004248A JP5781773B2 JP 5781773 B2 JP5781773 B2 JP 5781773B2 JP 2011004248 A JP2011004248 A JP 2011004248A JP 2011004248 A JP2011004248 A JP 2011004248A JP 5781773 B2 JP5781773 B2 JP 5781773B2
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- layer
- insulating layer
- wiring
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- Prior art date
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- 239000000725 suspension Substances 0.000 title claims description 56
- 239000004020 conductor Substances 0.000 claims description 82
- 229910052751 metal Inorganic materials 0.000 claims description 47
- 239000002184 metal Substances 0.000 claims description 47
- 239000010410 layer Substances 0.000 description 293
- 238000000034 method Methods 0.000 description 25
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 6
- 239000010408 film Substances 0.000 description 6
- 238000007747 plating Methods 0.000 description 6
- 229920001721 polyimide Polymers 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 229910052759 nickel Inorganic materials 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 4
- 239000000654 additive Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000013039 cover film Substances 0.000 description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 4
- 229910052737 gold Inorganic materials 0.000 description 4
- 239000010931 gold Substances 0.000 description 4
- 230000005606 hygroscopic expansion Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229920005575 poly(amic acid) Polymers 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 230000000996 additive effect Effects 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000009719 polyimide resin Substances 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- CBCKQZAAMUWICA-UHFFFAOYSA-N 1,4-phenylenediamine Chemical compound NC1=CC=C(N)C=C1 CBCKQZAAMUWICA-UHFFFAOYSA-N 0.000 description 1
- XDEDNQKBNOOKJI-UHFFFAOYSA-N 1-ethyl-4-(2-nitrophenyl)-4h-pyridine Chemical compound C1=CN(CC)C=CC1C1=CC=CC=C1[N+]([O-])=O XDEDNQKBNOOKJI-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 229910000906 Bronze Inorganic materials 0.000 description 1
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004693 Polybenzimidazole Substances 0.000 description 1
- 239000004697 Polyetherimide Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012790 adhesive layer Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- WKDNYTOXBCRNPV-UHFFFAOYSA-N bpda Chemical compound C1=C2C(=O)OC(=O)C2=CC(C=2C=C3C(=O)OC(C3=CC=2)=O)=C1 WKDNYTOXBCRNPV-UHFFFAOYSA-N 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 239000005011 phenolic resin Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001601 polyetherimide Polymers 0.000 description 1
- 229920001955 polyphenylene ether Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/4853—Constructional details of the electrical connection between head and arm
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/484—Integrated arm assemblies, e.g. formed by material deposition or by etching from single piece of metal or by lamination of materials forming a single arm/suspension/head unit
-
- 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
- G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
- G11B5/4806—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives
- G11B5/486—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed specially adapted for disk drive assemblies, e.g. assembly prior to operation, hard or flexible disk drives with provision for mounting or arranging electrical conducting means or circuits on or along the arm assembly
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
- H05K1/189—Printed circuits structurally associated with non-printed electric components characterised by the use of a flexible or folded printed circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/05—Insulated conductive substrates, e.g. insulated metal substrate
- H05K1/056—Insulated conductive substrates, e.g. insulated metal substrate the metal substrate being covered by an organic insulating layer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/01—Dielectrics
- H05K2201/0183—Dielectric layers
- H05K2201/0191—Dielectric layers wherein the thickness of the dielectric plays an important role
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09009—Substrate related
- H05K2201/09081—Tongue or tail integrated in planar structure, e.g. obtained by cutting from the planar structure
-
- 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
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49126—Assembling bases
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
- Insulated Metal Substrates For Printed Circuits (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
Description
体層3とともに、通過部としての通過部25を形成している。
厚み18μmのシート状のステンレスからなる金属支持層を用意した(図5(a)および図6参照)。
導体層の形成において、第1配線および第2配線を、厚み方向に投影した時に互いに幅方向にずれ、かつ、通過軸(PA)を中心とする点対称に形成した以外は、実施例1と同様に処理して、回路付サスペンション基板を作製した(図10参照)。
導体層を、第2導体層から形成し、絶縁層を、ベース絶縁層および第2カバー絶縁層から形成した以外は、実施例1と同様に処理して、回路付サスペンション基板を作製した(図12および図13参照)。
第2配線の上における第2カバー絶縁層の厚み(TI2)を5μmにした以外は、実施例3と同様にして、回路付サスペンション基板を作製した(図15参照)。
実施例1〜3および比較例1の回路付サスペンション基板について、配線部をガラスステージに固定した状態で、回路付サスペンション基板を、25℃、10%RH、および、25℃、80%RHの高湿器に2時間それぞれ投入した。
1. タング部の変位量を下記式に代入して、姿勢角の変化量を算出した。
2. 算出した姿勢角の変化量を以下のように評価した。
◎:姿勢角の変化量(deg/%RH)が0.002未満であった。
○:姿勢角の変化量(deg/%RH)が0.002以上0.006未満であった
×:姿勢角の変化量(deg/%RH)が0.006以上であった。
2 金属支持層
3 導体層
5 ジンバル部
7 第1開口部
11 タング部
12 アウトリガー部
13 絶縁層
14 ベース絶縁層
15 第1カバー絶縁層
16 第2カバー絶縁層
25 通過部
26 下側半分部分(絶縁層)
27 上側半分部分(絶縁層)
28 第1導体層
29 第2導体層
Claims (4)
- 金属支持層と、前記金属支持層の上に形成されるベース絶縁層と、前記ベース絶縁層の上に形成される導体層と、前記導体層を被覆するカバー層とを備える回路付サスペンション基板であって、
前記回路付サスペンション基板には、ジンバル部が設けられ、
前記ジンバル部には、前記金属支持層を上下方向に貫通する開口部が形成され、
前記ジンバル部は、
前記開口部の内側に形成され、前記導体層と電気的に接続される磁気ヘッドを実装するスライダが搭載されるタング部と、
前記開口部の外側に形成され、前記タング部を支持するアウトリガー部と、
前記ジンバル部の前記開口部および/または前記アウトリガー部の外側領域を通過する通過部と
を備え、
前記通過部は、前記金属支持層を備えておらず、前記ベース絶縁層と、前記導体層と、前記カバー絶縁層とを備え、
前記通過部における前記導体層は、前記ベース絶縁層の上に形成される配線を備え、
前記通過部における前記カバー絶縁層は、前記ベース絶縁層の上に形成され、前記配線を被覆し、
前記通過部における前記配線の下面から、前記ベース絶縁層の下面までの距離と、前記通過部における前記配線の上面から、前記カバー絶縁層の上面までの距離とが、同一であることを特徴とする、回路付サスペンション基板。 - 前記通過部における上下方向中央と前記配線の上面との距離が、前記通過部における前記上下方向中央と前記配線の下面との距離と同一であることを特徴とする、請求項1に記載の回路付サスペンション基板。
- 前記通過部における前記配線の上側半分部分および下側半分部分は、上下方向中央を中心とする対称に形成されていることを特徴とする、請求項1または2に記載の回路付サスペンション基板。
- 前記通過部における前記ベース絶縁層、および、前記カバー絶縁層からなる絶縁層の上側半分部分および下側半分部分は、上下方向中央を中心とする対称に形成されていることを特徴とする、請求項1〜3のいずれか一項に記載の回路付サスペンション基板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011004248A JP5781773B2 (ja) | 2011-01-12 | 2011-01-12 | 回路付サスペンション基板 |
US13/325,815 US8525037B2 (en) | 2011-01-12 | 2011-12-14 | Suspension board with circuit and producing method thereof |
CN201510780318.0A CN105355215B (zh) | 2011-01-12 | 2011-12-29 | 带有电路的悬挂基板 |
CN201110460949.6A CN102592611B (zh) | 2011-01-12 | 2011-12-29 | 带有电路的悬挂基板及其制造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011004248A JP5781773B2 (ja) | 2011-01-12 | 2011-01-12 | 回路付サスペンション基板 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015125504A Division JP6047630B2 (ja) | 2015-06-23 | 2015-06-23 | 回路付サスペンション基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012146364A JP2012146364A (ja) | 2012-08-02 |
JP5781773B2 true JP5781773B2 (ja) | 2015-09-24 |
Family
ID=46454375
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011004248A Active JP5781773B2 (ja) | 2011-01-12 | 2011-01-12 | 回路付サスペンション基板 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8525037B2 (ja) |
JP (1) | JP5781773B2 (ja) |
CN (2) | CN102592611B (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5603657B2 (ja) | 2010-05-20 | 2014-10-08 | 日東電工株式会社 | 回路付サスペンション基板およびその製造方法 |
JP6169894B2 (ja) * | 2013-05-28 | 2017-07-26 | 日東電工株式会社 | 配線回路基板 |
KR101416159B1 (ko) * | 2013-09-06 | 2014-07-14 | 주식회사 기가레인 | 접촉 패드를 구비하는 인쇄회로기판 |
JP6280828B2 (ja) * | 2014-07-07 | 2018-02-14 | 日東電工株式会社 | 回路付サスペンション基板 |
JP6370666B2 (ja) * | 2014-10-15 | 2018-08-08 | 日東電工株式会社 | 回路付サスペンション基板 |
JP6466747B2 (ja) * | 2015-03-12 | 2019-02-06 | 日東電工株式会社 | 回路付サスペンション基板およびその製造方法 |
JP6511371B2 (ja) * | 2015-09-10 | 2019-05-15 | 日本発條株式会社 | ディスク装置用サスペンションのフレキシャと、フレキシャの配線部の製造方法 |
JP6951240B2 (ja) * | 2017-12-27 | 2021-10-20 | 日東電工株式会社 | 回路付サスペンション基板および回路付サスペンション基板の製造方法 |
JP7381323B2 (ja) * | 2019-12-17 | 2023-11-15 | 日東電工株式会社 | 両面配線回路基板の製造方法および両面配線回路基板 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1027447A (ja) | 1996-07-12 | 1998-01-27 | Yamaha Corp | 薄膜磁気ヘッド |
US5862010A (en) * | 1997-07-08 | 1999-01-19 | International Business Machines Corporation | Transducer suspension system |
JP3605497B2 (ja) * | 1997-07-11 | 2004-12-22 | 日本発条株式会社 | ディスク装置用サスペンション |
JP4560026B2 (ja) * | 2006-10-04 | 2010-10-13 | セイコーエプソン株式会社 | フレキシブル基板及びこれを備えた電気光学装置、並びに電子機器 |
CN102290054B (zh) | 2007-04-18 | 2014-12-24 | 大日本印刷株式会社 | 悬浮臂用基板、其制备方法、磁头悬浮臂和硬盘驱动器 |
JP5099509B2 (ja) | 2007-05-11 | 2012-12-19 | 大日本印刷株式会社 | サスペンション用基板、その製造方法、磁気ヘッドサスペンションおよびハードディスクドライブ |
JP2009301619A (ja) * | 2008-06-11 | 2009-12-24 | Nitto Denko Corp | 回路付サスペンション基板およびその製造方法 |
US8247699B2 (en) * | 2008-09-30 | 2012-08-21 | Hitachi Global Storage Technologies, Netherlands B.V. | Flex circuit assembly with a dummy trace between two signal traces |
JP5604830B2 (ja) * | 2008-12-22 | 2014-10-15 | 大日本印刷株式会社 | サスペンション用基板、サスペンション、ヘッド付サスペンションおよびハードディスクドライブ |
JP5896846B2 (ja) * | 2011-08-22 | 2016-03-30 | 日東電工株式会社 | 回路付サスペンション基板 |
-
2011
- 2011-01-12 JP JP2011004248A patent/JP5781773B2/ja active Active
- 2011-12-14 US US13/325,815 patent/US8525037B2/en not_active Expired - Fee Related
- 2011-12-29 CN CN201110460949.6A patent/CN102592611B/zh not_active Expired - Fee Related
- 2011-12-29 CN CN201510780318.0A patent/CN105355215B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US8525037B2 (en) | 2013-09-03 |
CN102592611B (zh) | 2016-06-15 |
JP2012146364A (ja) | 2012-08-02 |
CN105355215A (zh) | 2016-02-24 |
CN105355215B (zh) | 2018-07-10 |
CN102592611A (zh) | 2012-07-18 |
US20120175151A1 (en) | 2012-07-12 |
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