AU2003286477A1 - Method and apparatus for grounding a magnetic recording head - Google Patents
Method and apparatus for grounding a magnetic recording headInfo
- Publication number
- AU2003286477A1 AU2003286477A1 AU2003286477A AU2003286477A AU2003286477A1 AU 2003286477 A1 AU2003286477 A1 AU 2003286477A1 AU 2003286477 A AU2003286477 A AU 2003286477A AU 2003286477 A AU2003286477 A AU 2003286477A AU 2003286477 A1 AU2003286477 A1 AU 2003286477A1
- Authority
- AU
- Australia
- Prior art keywords
- grounding
- recording head
- magnetic recording
- magnetic
- head
- 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.)
- Abandoned
Links
Classifications
-
- 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
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistors
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistors electrically connecting electric components or wires to printed circuits by soldering
- H05K3/341—Surface mounted components
- H05K3/3431—Leadless components
- H05K3/3442—Leadless components having edge contacts, e.g. leadless chip capacitors, chip carriers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
-
- 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
-
- 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
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0215—Grounding of printed circuits by connection to external grounding means
-
- 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
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
- H05K2201/10621—Components characterised by their electrical contacts
- H05K2201/10727—Leadless chip carrier [LCC], e.g. chip-modules for cards
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Supporting Of Heads In Record-Carrier Devices (AREA)
- Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US41766502P | 2002-10-11 | 2002-10-11 | |
| US60/417,665 | 2002-10-11 | ||
| US10/414,233 | 2003-04-16 | ||
| US10/414,233 US7064928B2 (en) | 2002-10-11 | 2003-04-16 | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head |
| PCT/US2003/033074 WO2004038698A2 (en) | 2002-10-11 | 2003-10-14 | Method and apparatus for grounding a magnetic recording head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| AU2003286477A1 true AU2003286477A1 (en) | 2004-05-13 |
| AU2003286477A8 AU2003286477A8 (en) | 2004-05-13 |
Family
ID=32073331
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2003286477A Abandoned AU2003286477A1 (en) | 2002-10-11 | 2003-10-14 | Method and apparatus for grounding a magnetic recording head |
Country Status (4)
| Country | Link |
|---|---|
| US (3) | US7064928B2 (https=) |
| JP (2) | JP2006503402A (https=) |
| AU (1) | AU2003286477A1 (https=) |
| WO (1) | WO2004038698A2 (https=) |
Families Citing this family (52)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1145933C (zh) * | 1998-11-13 | 2004-04-14 | Tdk株式会社 | 写/读头支撑机构以及写/读系统 |
| US7064928B2 (en) * | 2002-10-11 | 2006-06-20 | Sae Magnetics (H.K.) Ltd. | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head |
| JP3940688B2 (ja) * | 2003-03-20 | 2007-07-04 | Tdk株式会社 | ヘッドスライダ、ヘッドジンバルアセンブリ及びハードディスク装置 |
| US7099117B1 (en) | 2003-09-30 | 2006-08-29 | Western Digital Technologies, Inc. | Head stack assembly including a trace suspension assembly backing layer and a ground trace for grounding a slider |
| US7384531B1 (en) | 2004-02-19 | 2008-06-10 | Hutchinson Technology Incorporated | Plated ground features for integrated lead suspensions |
| US7446977B2 (en) * | 2005-01-26 | 2008-11-04 | Hitachi Global Storage Technologies Netherlands B.V. | Recording heads having electrical pads on multiple surfaces |
| JP2006331485A (ja) * | 2005-05-24 | 2006-12-07 | Hitachi Global Storage Technologies Netherlands Bv | 磁気ヘッドスライダ及び磁気ヘッドアセンブリ |
| US7595963B1 (en) | 2006-06-07 | 2009-09-29 | Western Digital Technologies, Inc. | Head gimbal assembly including a flexure with a first conductive trace disposed between a slider and a dielectric layer |
| WO2007148728A1 (ja) * | 2006-06-22 | 2007-12-27 | Dai Nippon Printing Co., Ltd. | サスペンション用基板およびその製造方法 |
| US7875804B1 (en) | 2006-09-27 | 2011-01-25 | Hutchinson Technology Incorporated | Plated ground features for integrated lead suspensions |
| US7729089B1 (en) | 2006-10-13 | 2010-06-01 | Western Digital Technologies, Inc. | Head-gimbal assembly including a flexure tongue with stand-offs arranged to facilitate lateral light entry |
| US7995310B1 (en) | 2006-11-09 | 2011-08-09 | Western Digital Technologies, Inc. | Head-gimbal assembly including a flexure tongue with adhesive receptacles disposed adjacent to stand-offs |
| JP2008172012A (ja) * | 2007-01-11 | 2008-07-24 | Nitto Denko Corp | 回路付サスペンション基板 |
| US7710688B1 (en) | 2007-02-06 | 2010-05-04 | Hutchinson Technology Incorporated | Split embedded signal transmission planes in integrated lead disk drive suspensions |
| US7924531B2 (en) * | 2007-04-30 | 2011-04-12 | Sae Magnetics (H. K) Ltd. | Suspension and fabricating method thereof, head gimbal assembly and disk drive device |
| US8134807B2 (en) * | 2007-06-01 | 2012-03-13 | Texas Instruments Incorporated | Thermally enhanced disk drive |
| US8213121B2 (en) * | 2007-10-09 | 2012-07-03 | Hitachi Global Storage Technologies, Netherlands B.V. | HGA suspension pad barrier for elimination of solder bridging defect |
| US20090168247A1 (en) * | 2007-12-28 | 2009-07-02 | Christian Rene Bonhote | Magnetic head with embedded solder connection and method for manufacture thereof |
| US8054584B2 (en) * | 2008-11-26 | 2011-11-08 | Seagate Technology Llc | Top bond pad bias and variation control |
| US8120877B2 (en) * | 2008-12-03 | 2012-02-21 | Eun Kyu Jang | Apparatus minimizing impedance in flex-to-printed circuit board connection through the disk base of a hard disk drive |
| US8542465B2 (en) | 2010-03-17 | 2013-09-24 | Western Digital Technologies, Inc. | Suspension assembly having a microactuator electrically connected to a gold coating on a stainless steel surface |
| US8885299B1 (en) | 2010-05-24 | 2014-11-11 | Hutchinson Technology Incorporated | Low resistance ground joints for dual stage actuation disk drive suspensions |
| US8339748B2 (en) | 2010-06-29 | 2012-12-25 | Western Digital Technologies, Inc. | Suspension assembly having a microactuator bonded to a flexure |
| US8665567B2 (en) | 2010-06-30 | 2014-03-04 | Western Digital Technologies, Inc. | Suspension assembly having a microactuator grounded to a flexure |
| US9165580B2 (en) | 2013-12-10 | 2015-10-20 | Western Digital Technologies, Inc. | Disk drive head suspension tail with stiffened edge alignment features |
| US9324344B1 (en) | 2013-12-10 | 2016-04-26 | Western Digital Technologies, Inc. | Disk drive head suspension tail with ground pad outside of bonding region |
| US8564909B1 (en) | 2011-10-24 | 2013-10-22 | Magnecomp Corporation | Multilayer bond pads for hard disk drive suspensions |
| US9001469B2 (en) | 2012-03-16 | 2015-04-07 | Hutchinson Technology Incorporated | Mid-loadbeam dual stage actuated (DSA) disk drive head suspension |
| JP2015518229A (ja) | 2012-03-22 | 2015-06-25 | ハッチンソン テクノロジー インコーポレイテッドHutchinson Technology Incorporated | ディスクドライブのヘッドサスペンションのフレクシャ用接地形体 |
| JP2013206476A (ja) * | 2012-03-27 | 2013-10-07 | Tdk Corp | 磁気ヘッドおよび磁気記録再生装置 |
| JP6251745B2 (ja) | 2012-09-14 | 2017-12-20 | ハッチンソン テクノロジー インコーポレイテッドHutchinson Technology Incorporated | 2段始動構造部を有するジンバル形撓み部材及びサスペンション |
| JP6356682B2 (ja) | 2012-10-10 | 2018-07-11 | ハッチンソン テクノロジー インコーポレイテッドHutchinson Technology Incorporated | 二段作動構造を有するサスペンション |
| US8941951B2 (en) | 2012-11-28 | 2015-01-27 | Hutchinson Technology Incorporated | Head suspension flexure with integrated strain sensor and sputtered traces |
| US8891206B2 (en) | 2012-12-17 | 2014-11-18 | Hutchinson Technology Incorporated | Co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffener |
| US8896969B1 (en) | 2013-05-23 | 2014-11-25 | Hutchinson Technology Incorporated | Two-motor co-located gimbal-based dual stage actuation disk drive suspensions with motor stiffeners |
| US8717712B1 (en) | 2013-07-15 | 2014-05-06 | Hutchinson Technology Incorporated | Disk drive suspension assembly having a partially flangeless load point dimple |
| US9330695B1 (en) | 2013-12-10 | 2016-05-03 | Western Digital Technologies, Inc. | Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islands |
| US8896970B1 (en) | 2013-12-31 | 2014-11-25 | Hutchinson Technology Incorporated | Balanced co-located gimbal-based dual stage actuation disk drive suspensions |
| US8867173B1 (en) | 2014-01-03 | 2014-10-21 | Hutchinson Technology Incorporated | Balanced multi-trace transmission in a hard disk drive flexure |
| US8934199B1 (en) | 2014-03-31 | 2015-01-13 | Western Digital Technologies, Inc. | Disk drive head suspension tail with bond pad edge alignment features |
| US9171561B1 (en) | 2014-05-14 | 2015-10-27 | Seagate Technology Llc | Assemblies and methods for slider electrical connection containing through circuit electrical connections |
| US9202479B1 (en) | 2014-12-04 | 2015-12-01 | Seagate Technology Llc | Heat assisted magnetic recording head with write coil heatsink |
| US9070392B1 (en) | 2014-12-16 | 2015-06-30 | Hutchinson Technology Incorporated | Piezoelectric disk drive suspension motors having plated stiffeners |
| US9318136B1 (en) | 2014-12-22 | 2016-04-19 | Hutchinson Technology Incorporated | Multilayer disk drive motors having out-of-plane bending |
| US9296188B1 (en) | 2015-02-17 | 2016-03-29 | Hutchinson Technology Incorporated | Partial curing of a microactuator mounting adhesive in a disk drive suspension |
| US10074386B1 (en) | 2015-05-19 | 2018-09-11 | Seagate Technology Llc | Magnetic writer coil incorporating integral cooling fins |
| JP6689294B2 (ja) | 2015-06-30 | 2020-04-28 | ハッチンソン テクノロジー インコーポレイテッドHutchinson Technology Incorporated | 金誘電体接合部の信頼性を向上させたディスクドライブヘッドサスペンション構造 |
| US10032468B1 (en) | 2015-11-06 | 2018-07-24 | Seagate Technology Llc | Heat-assisted magnetic recording head configured to conduct heat away from slider components to a substrate |
| US9646638B1 (en) | 2016-05-12 | 2017-05-09 | Hutchinson Technology Incorporated | Co-located gimbal-based DSA disk drive suspension with traces routed around slider pad |
| US10049693B2 (en) | 2016-08-03 | 2018-08-14 | Seagate Technology Llc | Substrate heat channels for heat assisted magnetic recording for reader over writer transducer application |
| US10643645B2 (en) * | 2018-09-24 | 2020-05-05 | Seagate Technology Llc | Slider with bondable surface opposite suspension trace |
| WO2022217549A1 (en) * | 2021-04-15 | 2022-10-20 | Aes Global Holdings Pte Ltd. | Printed circuit board grounding |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03238616A (ja) | 1990-02-16 | 1991-10-24 | Mitsubishi Electric Corp | 磁気ヘッド支持機構 |
| US5055969A (en) * | 1990-09-28 | 1991-10-08 | Seagate Technology, Inc. | Servo/data actuator arm flexible circuit |
| JPH08111015A (ja) * | 1994-09-01 | 1996-04-30 | Tdk Corp | 磁気ヘッドスライダの支持装置及び磁気ヘッド装置 |
| JPH08339644A (ja) * | 1995-06-06 | 1996-12-24 | Hewlett Packard Co <Hp> | 剛性アクチュエータアーム構造を有するディスク装置 |
| JP3238616B2 (ja) | 1995-09-29 | 2001-12-17 | 松下電器産業株式会社 | 半導体スイッチ回路 |
| JPH10149520A (ja) * | 1996-11-15 | 1998-06-02 | Sony Corp | 導電体の形成方法及び磁気ヘッドの製造方法 |
| JPH1116125A (ja) | 1997-06-26 | 1999-01-22 | Matsushita Electric Ind Co Ltd | 磁気ヘッドユニットとその製造法並びに磁気記録再生装置 |
| US5896248A (en) * | 1997-09-05 | 1999-04-20 | Read-Rite Corporation | Bond pads for metal welding of flexure to air bearing slider and grounding configuration thereof |
| CN1145933C (zh) * | 1998-11-13 | 2004-04-14 | Tdk株式会社 | 写/读头支撑机构以及写/读系统 |
| US6249404B1 (en) * | 1999-02-04 | 2001-06-19 | Read-Rite Corporation | Head gimbal assembly with a flexible printed circuit having a serpentine substrate |
| JP2000306225A (ja) | 1999-04-20 | 2000-11-02 | Alps Electric Co Ltd | 磁気ヘッド及び磁気ヘッドの製造方法 |
| JP3756729B2 (ja) * | 1999-07-16 | 2006-03-15 | Tdk株式会社 | 薄膜磁気ヘッドおよびその製造方法 |
| US6671128B2 (en) * | 2001-03-29 | 2003-12-30 | Seagate Technology Llc | Recording head with oppositely directed microstrip waveguide conductors to induce a magnetic write field for longitudinal or perpendicular magnetic recording |
| US20030128474A1 (en) * | 2001-11-09 | 2003-07-10 | Schulz Kevin J. | Low electrical impedance slider grounding |
| US7064928B2 (en) * | 2002-10-11 | 2006-06-20 | Sae Magnetics (H.K.) Ltd. | Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording head |
-
2003
- 2003-04-16 US US10/414,233 patent/US7064928B2/en not_active Expired - Lifetime
- 2003-10-14 WO PCT/US2003/033074 patent/WO2004038698A2/en not_active Ceased
- 2003-10-14 JP JP2005501627A patent/JP2006503402A/ja not_active Withdrawn
- 2003-10-14 AU AU2003286477A patent/AU2003286477A1/en not_active Abandoned
-
2006
- 2006-06-06 US US11/447,174 patent/US7391594B2/en not_active Expired - Lifetime
-
2008
- 2008-06-24 US US12/145,464 patent/US8045295B2/en not_active Expired - Fee Related
-
2009
- 2009-07-16 JP JP2009167823A patent/JP2009238369A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2009238369A (ja) | 2009-10-15 |
| JP2006503402A (ja) | 2006-01-26 |
| AU2003286477A8 (en) | 2004-05-13 |
| US20040070880A1 (en) | 2004-04-15 |
| US8045295B2 (en) | 2011-10-25 |
| US7064928B2 (en) | 2006-06-20 |
| WO2004038698A2 (en) | 2004-05-06 |
| WO2004038698A3 (en) | 2004-12-23 |
| US20080253025A1 (en) | 2008-10-16 |
| US7391594B2 (en) | 2008-06-24 |
| US20060227461A1 (en) | 2006-10-12 |
| HK1087831A1 (zh) | 2006-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |