CN101174422A - Micro actuator, magnetic recording head tabs combination containing the same and disk drive unit - Google Patents
Micro actuator, magnetic recording head tabs combination containing the same and disk drive unit Download PDFInfo
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- CN101174422A CN101174422A CNA2006101366881A CN200610136688A CN101174422A CN 101174422 A CN101174422 A CN 101174422A CN A2006101366881 A CNA2006101366881 A CN A2006101366881A CN 200610136688 A CN200610136688 A CN 200610136688A CN 101174422 A CN101174422 A CN 101174422A
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Abstract
The invention relates to a micro-actuator used for a head gimbal assembly, which comprises a frame of a connecting plate comprising a pair of side arms and connecting the two side arms together at one end of the two side arms, a piezoelectric element arranged on at least one side arm, and an electric connection transfer device electrically connecting the piezoelectric element with the connecting plate. The electric connection transfer device is electrically connected with the piezoelectric element, to be convenient for transferring the electric connection position between the micro-actuator and a cantilever element of the head gimbal assembly from the piezoelectric element to the connecting plate.
Description
Technical field
The present invention relates to a kind of information recording disk driver element, relate more specifically to a kind of micro-actuator and contain the magnetic head fold piece combination of this micro-actuator.
Background technology
A kind of common information storing device is a disk drive system, and it uses magnetic media to store data and the removable read-write sensor that is arranged at this media top comes optionally on the magnetic media reading of data or data are write on the magnetic media.
Fig. 1-2 is depicted as traditional disc drive unit 200, and disk 101 is installed on the Spindle Motor 102 and by its rotation.Carry the magnetic head fold piece combination 100 that constitutes by micro-actuator 105 and magnetic head 103 on the voice coil motor arm 104.Described magnetic head 103 is provided with the read-write sensor.One voice coil motor is used to control the motion of voice coil motor arm 104, and then control head 103 moving between disk 101 surperficial tracks, the final read-write sensor data write on disk 101 that realizes.In the time of in working order, comprise and form aerodynamic force between the disk 101 of the magnetic head 103 of reading and writing sensor and rotation and contact, and produce lift.The mutual balance of elastic force that the cantilever part by magnetic head fold piece combination 100 of this lift and opposite sign but equal magnitude applies, and then cause in the whole radial stroke of motor arm 104, the surface of the disk 101 of rotation forms and keeps predetermined flying height.
Fig. 3 a-3b has showed the magnetic head fold piece combination 100 of traditional magnetic disk driver element shown in Fig. 1-2.As shown in the figure, this magnetic head fold piece combination 100 comprises cantilever part 106.This cantilever part 106 is assembled mutually by substrate 108, load beam 110, flexible element 109 and articulated part 107.Described flexible element 109 is provided with and is used to carry piezoelectricity (piezoelectric, PZT) cantilever tongue piece 179 of micro-actuator 105 and magnetic head 103.In addition, also be provided with interior cantilever lead 111 and outer cantilever lead 112 on the described flexible element 109.One end of described cantilever lead 111,112 electrically connects with described piezoelectric micro-actuator 105 and magnetic head 103 respectively, and the other end then electrically connects with a plurality of contacts 113 that are electrically connected, and these are electrically connected contact 113 and electrically connect with external control system (figure does not show) again.Can suitably control the operation of above-mentioned piezoelectric micro-actuator 105 and magnetic head 103 by this external control system.
With reference to figure 3c, the conventional piezoelectric micro-actuator 105 that is used for said head tabs combination 100 comprises metal framework 123.This metal framework 123 comprises the top back up pad 121 (with reference to figure 3a) that is used to support magnetic head 103, end back up pad 122 and two the limit arms 120 that described two back up pads 121,122 are connected to each other that are used for whole micro-actuator 105 is installed to cantilever part 106 (with reference to figure 3a).Described each limit arm 120 is provided with piezoelectric element 116.One end of each piezoelectric element 116 is provided with two and is electrically connected contact 185.Described magnetic head 103 is supported on the top back up pad 121, and between both sides arm 120.
Shown in Fig. 3 b-3c, described piezoelectric micro-actuator 105 physically is connected on the cantilever tongue piece 179 by end back up pad 122.Some being electrically connected receives 117 with piezoelectric micro-actuator 105 and interior cantilever lead 111 electric connections.More particularly, the position of the electrical connection contact 185 of close each piezoelectric element 116 is provided with and is electrically connected contact 186 on the described cantilever tongue piece 179.Receive by being electrically connected and 117 be electrically connected to each other in these contacts 185,186.In addition, described magnetic head 103 electrically connects with described outer cantilever lead 112 by four Metal Ball 115, thereby read-write sensor and external control system on the magnetic head 103 are electrical connected.When by 111 power supplies of cantilever lead in described, described piezoelectric element 116 expands or shrinks, thereby causes both sides arm 120 along common lateral bending.This bending causes framework 123 to produce detrusion, this detrusion causes top back up pad 121 to produce motion, and then cause the magnetic head that is connected with top back up pad 121 103 to produce motion, make magnetic head 103 above the track of disk, move, so that the position of read-write sensor is adjusted on precision ground.
Above-mentioned piezoelectric element preferably can produce moderate finite deformation, so that magnetic head can obtain big as far as possible stroke value (stroke value, i.e. displacement) when work, thereby improves its reading and writing data performance.Yet, in above-mentioned conventional art, because being electrically connected between piezoelectric element 116 and the interior cantilever lead 111 betides the end that piezoelectric element 116 is provided with electrical connection contact 185, this connection causes this end of piezoelectric element 116 to be maintained fixed with respect to interior cantilever lead 111 (more specifically being cantilever part), that is, because the restriction of above-mentioned cantilever part, this end can't produce distortion, therefore greatly worsen the deformability of whole piezoelectric element 116, and greatly reduced the stroke value of magnetic head.
Therefore, need a kind of improved micro-actuator so that overcome above-mentioned shortcoming.
Summary of the invention
An object of the present invention is to provide a kind of micro-actuator, it can strengthen the deformability of piezoelectric element, thereby has improved the stroke value of magnetic head.
Another object of the present invention provides a kind of magnetic head fold piece combination, and it can strengthen the deformability of piezoelectric element, thereby has improved the stroke value of magnetic head.
Another object of the present invention provides a kind of disc drive unit, and it can strengthen the deformability of piezoelectric element, thereby has improved the stroke value of magnetic head, and then has finally improved the reading and writing data performance of whole magnetic disk driver element.
To achieve these goals, micro-actuator provided by the invention comprises: contain an opposite side arm and an end of this both sides arm with the framework of the interconnected web joint of this both sides arm, be installed in the piezoelectric element at least one limit arm and be electrically connected transfer device what described piezoelectric element and web joint physical connection were got up.Described electrical connection transfer device is connected electrically with described piezoelectric element, so that the electrically connecting position between the cantilever part of micro-actuator and magnetic head fold piece combination is transferred to web joint from piezoelectric element.
Described electrical connection transfer device can for any proper device such as flexible print wiring.Described flexible print wiring can comprise and be used for isolating the insulation course of described flexible print wiring and web joint electrically and be formed at the wire circuit layer that is used on this insulation course with the piezoelectric element electric connection.
In addition, the framework of described micro-actuator can also comprise the top back up pad that two limit arms is connected to each other and is used to support magnetic head at the other end of these two limit arms.In addition, described framework can also comprise and is connected with web joint and is used for micro-actuator is installed to end back up pad on the cantilever part of magnetic head fold piece combination.In one embodiment, described end back up pad can be used for strengthening the structural strength of whole micro-actuator.
And described electrical connection transfer device can be for L shaped.Because this L shaped electrical connection transfer device can be well and piezoelectric element and web joint coupling, therefore the assembling process of whole micro-actuator is simplified, and has realized being electrically connected being connected of high reliability between transfer device and piezoelectric element and the web joint.
A kind of magnetic head fold piece combination comprises: the cantilever part of magnetic head, micro-actuator and support micro-actuator and magnetic head.Described micro-actuator comprises: contain an opposite side arm and at an end of this both sides arm framework with the interconnected web joint of this both sides arm, be installed in the piezoelectric element at least one limit arm, and be electrically connected transfer device what described piezoelectric element and web joint physical connection were got up.Described electrical connection transfer device is connected electrically with described piezoelectric element, so that the electrically connecting position between the cantilever part of micro-actuator and magnetic head fold piece combination is transferred to web joint from piezoelectric element.
A kind of disc drive unit comprises: the Spindle Motor of magnetic head fold piece combination, the actuating arm that is connected with this magnetic head fold piece combination, disk and the rotation of driving disk.Described magnetic head fold piece combination comprises: the cantilever part of magnetic head, micro-actuator and support micro-actuator and magnetic head.Described micro-actuator comprises: contain an opposite side arm and at an end of this both sides arm framework with the interconnected web joint of this both sides arm, be installed in the piezoelectric element at least one limit arm, and be electrically connected transfer device what described piezoelectric element and web joint physical connection were got up.Described electrical connection transfer device is connected electrically with described piezoelectric element, so that the electrically connecting position between the cantilever part of micro-actuator and magnetic head fold piece combination is transferred to web joint from piezoelectric element.
Compare with conventional art, because the position that the distortion with piezoelectric element is independent of each other is transferred in being electrically connected by being electrically connected transfer device from piezoelectric element between piezoelectric element and cantilever part, therefore, whole piezoelectric element is not subjected to the restriction of cantilever part, thereby make piezoelectric element obtain moderate finite deformation, and finally make magnetic head obtain big stroke value.
By following description also in conjunction with the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the stereographic map of traditional magnetic disk driver element.
Fig. 2 is the partial perspective view of traditional magnetic disk driver element shown in Figure 1.
Fig. 3 a is the stereographic map of traditional magnetic head fold piece combination (HGA).
Fig. 3 b is the partial perspective view that Fig. 3 a shows magnetic head fold piece combination.
Fig. 3 c is the magnetic head of magnetic head fold piece combination shown in Fig. 3 b and the three-dimensional exploded view of piezoelectric micro-actuator.
Fig. 4 a is the stereographic map of the described micro-actuator of one embodiment of the invention.
Fig. 4 b is that micro-actuator shown in Fig. 4 a is from the stereographic map of another view.
Fig. 4 c is the three-dimensional exploded view of micro-actuator shown in Fig. 4 a.
Fig. 5 a is the three-dimensional exploded view of framework shown in Fig. 4 a.
Fig. 5 b is the stereographic map that micro-actuator frame shown in Fig. 4 a is observed from the bottom.
Fig. 6 a is the stereographic map of magnetic head shown in Fig. 4 a and micro-actuator.
Fig. 6 b is the stereoscopic-state figure after the assembling of being combined in of magnetic head shown in Fig. 6 a and micro-actuator.
Fig. 6 c is another stereographic map that makes up shown in Fig. 6 b.
Fig. 7 a is the sectional perspective exploded view that contains the magnetic head fold piece combination that makes up shown in Fig. 6 b.
Fig. 7 b is the sectional perspective constitutional diagram of magnetic head fold piece combination shown in Fig. 7 a after assembling.
Fig. 7 c is the partial side view of magnetic head fold piece combination shown in Fig. 7 b.
Fig. 8 a is the stereographic map of the described micro-actuator of another embodiment of the present invention.
Fig. 8 b is the stereographic map of the described micro-actuator of another embodiment of the present invention.
Fig. 8 c is the stereographic map of the described micro-actuator of another embodiment of the present invention.
Fig. 8 d is the stereographic map of the framework of micro-actuator shown in Fig. 8 c.
Fig. 8 e is the stereographic map of the described micro-actuator of further embodiment of this invention.
Fig. 8 f is the stereographic map of the described micro-actuator of further embodiment of this invention.
Fig. 9 is the described stereographic map with disc drive unit of micro-actuator of one embodiment of the invention.
Embodiment
Several embodiment that the present invention is used for the micro-actuator of magnetic head fold piece combination are described now.It should be noted that the present invention is not limited to the concrete structure of magnetic head fold piece combination shown in the accompanying drawing, micro-actuator of the present invention can be applied in any suitable disc drive unit with micro-actuator, so that improve the stroke range of magnetic head.That is to say that the present invention can be applied in the appropriate device that has micro-actuator in any field.
Fig. 4 a-7c has showed the described micro-actuator 205 of one embodiment of the invention.As shown in the figure, this micro-actuator 205 comprises framework 223, be installed in a pair of piezoelectric element 216 on this framework 223 and be used for respectively with piezoelectric element 216 and magnetic head fold piece combination (head gimbal assembly, HGA) a pair of flexible print wiring (flexible printed circuit, FPC) 230 (will be described below) that cantilever part electrically connects.
Shown in Fig. 5 a-5b, the top back up pad 221 that described framework 223 comprises an opposite side arm 220, be connected to each other this both sides arm 220 at an end of this both sides arm 220, the web joint 224 that this both sides arm 220 is connected to each other at the other end of this both sides arm 220 and the end back up pad 222 that links to each other with this web joint 224.Described top back up pad 221 is used for magnetic head is supported thereon.Back up pad of the described end 222 is arranged between the both sides arm 220, and is used for whole micro-actuator 205 is installed to the cantilever part of magnetic head fold piece combination.Described framework 223 can be formed such as metal material such as stainless steel by any suitable material, and can form by any suitable technology.
Each piezoelectric element 216 is by suitable manner joint cement and on the corresponding sides arm 220 attached to framework 223 for example.Each piezoelectric element 216 is provided with two and is used for being electrically connected contact 217 with what piezoelectric element 216 and an external control system (figure does not show) electrically connected.In addition, described piezoelectric element 216 can be overlapping film, this overlapping film comprise piezoelectric and with bazar metal (Ni-Ag) or platinum (Pt) or gold (gold) as electrode.Described piezoelectric element 216 also can be the ceraminator of single or multiple lift structure.
Described each flexible print wiring 230 comprises insulation course (insulator layer) 232 and the wire circuit layer (trace circuit layer) 280 that overlaps together with this insulation course 232.Described wire circuit layer 280 comprises couple of conductor circuit 234.Each wire circuit 234 has and corresponding contact 217 corresponding first end 236 and second end 238 of being electrically connected.After assembling finishes, whole flexible print wiring 230 is case of bending, and be connected to simultaneously on piezoelectric element 216 and the web joint 224, thereby first end 236 of described flexible print wiring 230 is electrically connected with being electrically connected accordingly contact 217, its second end 238 then is positioned on the web joint 224.In the present embodiment, each first end 236 of described flexible print wiring 230 all is installed on the outside surface of corresponding piezoelectric element 216.
Described insulation course 232 makes wire circuit layer 234 and metal framework 223 mutual insulatings, thereby has avoided being short-circuited between wire circuit layer 234 and the metal framework 223.It should be noted that described first end 236 is not insulated layer 232 and covers, therefore be not insulated layer 232 insulation, so these first ends 236 can electrically connect with the connecting terminal 217 of piezoelectric element 216.
Here, described flexible print wiring 230 is used for the electrically connecting position of piezoelectric element 216 is formed with an end that is electrically connected contact 217 from it, change to and the non-interfering another location of the distortion of piezoelectric element 216, be a position on the web joint 224 of framework 223, thereby piezoelectric element 216 can be out of shape more effectively.
With reference to figure 6a-6c, magnetic head 203 is installed on the top back up pad 221 of framework 223 of described micro-actuator 205, and between described two limit arms 220, thereby form a combination 240.With reference to figure 7a-7c,, combinations thereof 240 forms magnetic head fold piece combination 300 on the cantilever part 212 by being assembled to.
Particularly, described cantilever part 213 comprises flexible element 241 that supports combinations thereof 240 and the load beam 248 that supports flexible element 241.Described flexible element 241 is provided with cantilever tongue piece 242.One group is electrically connected contact 245, and for example four contacts are formed on the described cantilever tongue piece 242.In addition, one group of outer cantilever lead 244 is formed at the periphery of described flexible element 241.One end of described outer cantilever lead 244 for example electrically connects four contacts with some contacts 247 that are electrically connected.Described flexible element 241 also comprises one group of interior cantilever lead 246 that electrically connects with respective electrical connecting terminal 245.Described load beam 248 is provided with a salient point 243, in order to load force is passed to magnetic head 203.
Described combination 240 is installed on the cantilever tongue piece 242 of flexible element 241.Described magnetic head 203 electrically connects with outer cantilever lead 244 by above-mentioned connecting terminal 247, thereby magnetic head 203 can be controlled by external control system (figure does not show).In addition, second end 238 of the flexible print wiring 230 of described micro-actuator 205 is received 249 (gold goal welding or tin ball bonding is connect by some being electrically connected, golden ball bonding or solderball bonding, GBB or SBB) and be connected to electrically on the connecting terminal 245 of flexible element 241.By this electric connection, described micro-actuator 205 relies on interior cantilever lead 246 and is controlled by the said external control system.
With conventional art (being electrically connected between piezoelectric element and the cantilever part an end that is positioned at piezoelectric element) relatively, being electrically connected by being electrically connected for example above-mentioned flexible print wiring 230 of transfer device between piezoelectric element and the cantilever part transferred to and the non-interfering position of the distortion of piezoelectric element from piezoelectric element.That is, the position on the web joint of micro-actuator frame is transferred in above-mentioned electrical connection, therefore makes piezoelectric element integral body not be subjected to the restriction of cantilever part, thereby piezoelectric element can be out of shape more fully, and finally make magnetic head obtain bigger stroke value.
In a preferred embodiment of the present invention, described electrical connection transfer device is L-shaped.This L shaped electrical connection transfer device can be well and piezoelectric element and web joint coupling, therefore the assembling of whole micro-actuator is become simply, and realized being connected of high reliability of electrical connection transfer device and piezoelectric element and web joint.
Fig. 8 a-8e has showed a plurality of embodiment of micro-actuator.Fig. 8 a has showed micro-actuator 805.This micro-actuator 805 is similar with micro-actuator 205 shown in above-mentioned Fig. 4 a-7c, and difference only is: in the present embodiment, each flexible print wiring 230 is located between piezoelectric element 216 and the corresponding limit arm 220 partly.That is, each first end of described flexible print wiring 230 (figure does not show) all is installed on the inside surface of corresponding piezoelectric element 216.Correspondingly, the electrical connection contact of described piezoelectric element 216 will be towards the inboard, so that be connected with first end of flexible print wiring 230.Such micro-actuator can obtain similarly to improve with micro-actuator 205 effect of magnetic head stroke value.
Fig. 8 b has showed the described micro-actuator 405 of another embodiment.Compare with micro-actuator 305, have only a piezoelectric element 216 to be connected in a limit arm (figure does not show) of micro-actuator 405, and correspondingly, have only a flexible print wiring 230 to be used for piezoelectric element is electrically connected to cantilever part (shown in Fig. 7 a-7c).Similarly, such micro-actuator can obtain similarly to improve with micro-actuator 205 effect of magnetic head stroke value.
Fig. 8 c-8d has showed the micro-actuator 505 with framework 523.This micro-actuator 505 is similar to the micro-actuator 305 shown in Fig. 8 a.Difference is: described top back up pad 521 is divided into two parts 521a, 521b by forming gap 522 thereon.This gap 522 helps to reduce the manufacturing cost of whole framework 253, and helps alleviating the overall weight of micro-actuator 505.
Fig. 8 e has showed the described micro-actuator 605 of another embodiment of the present invention.This micro-actuator 605 is similar with micro-actuator 505, and difference is: back up pad of the described end 222 has the height identical with web joint 224.This end back up pad 222 with enough height helps strengthening the structural strength of whole micro-actuator 605.
Fig. 8 f has showed the micro-actuator of another kind of type.As shown in the figure, this micro-actuator 705 comprise U-shaped framework 723, be installed on a pair of piezoelectric element 216 of this framework 723 and be positioned at framework 723 and piezoelectric element 216 on a pair of flexible print wiring 230.Described framework 723 comprises two limit arms 720 and the web joint 724 that this both sides arm 720 is connected to each other at an end of these two limit arms 720.Described piezoelectric element 216 is respectively installed on the corresponding limit arm 720.Described web joint 724 has the sidewall 729 towards the outside.Described each flexible print wiring 230 is arranged on the side arm 729 of piezoelectric element 216 and web joint 724.In the present embodiment, magnetic head can be arranged between the both sides arm 720 and be fixed in wherein.
Similar with micro-actuator 205, thereby described micro-actuator 305,405,505,605 or 705 also can be installed to cantilever part (shown in Fig. 7 a-7c) independently form magnetic head fold piece combination.Also can obtain similarly to improve the effect of magnetic head stroke value in this case.For brevity, omitted the description of its assembling process here.
With reference to figure 9, according to one embodiment of present invention, disc drive unit 400 comprises Spindle Motor 202 that the magnetic head fold piece combination 300 with micro-actuator 205,305,405,505,605 or 705, the actuating arm 204 that is connected with this magnetic head fold piece combination 300, disk 201, driving disk 201 rotate and the housing 209 that holds above-mentioned parts.Because structure, the course of work and the assemble flow of disc drive unit are familiar with by the industry those of ordinary skill, are not described in detail in this.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (10)
1. micro-actuator that is used for magnetic head fold piece combination comprises:
Framework, it comprise an opposite side arm and at an end of this both sides arm with the interconnected web joint of this both sides arm;
Be installed in the piezoelectric element at least one limit arm; And
Be electrically connected transfer device with what described piezoelectric element and web joint physical connection were got up; Wherein
Described electrical connection transfer device is connected electrically with described piezoelectric element, so that the electrically connecting position between the cantilever part of micro-actuator and magnetic head fold piece combination is transferred to web joint from piezoelectric element.
2. micro-actuator as claimed in claim 1 is characterized in that: described electrical connection transfer device is a flexible print wiring.
3. micro-actuator as claimed in claim 2 is characterized in that: described flexible print wiring comprises and is used for isolating the insulation course of described flexible print wiring and web joint electrically and is formed at the wire circuit layer that is used on this insulation course with the piezoelectric element electric connection.
4. micro-actuator as claimed in claim 1 is characterized in that: described electrical connection transfer device is L-shaped.
5. magnetic head fold piece combination comprises:
Magnetic head;
Micro-actuator; And
Support the cantilever part of described micro-actuator and magnetic head;
Wherein, described micro-actuator comprises:
Framework, it comprise an opposite side arm and at an end of this both sides arm with the interconnected web joint of this both sides arm;
Be installed in the piezoelectric element at least one limit arm; And
Be electrically connected transfer device with what described piezoelectric element and web joint physical connection were got up; Wherein
Described electrical connection transfer device and described piezoelectric element electrically connect, so that the electrically connecting position between the cantilever part of micro-actuator and magnetic head fold piece combination is transferred to web joint from piezoelectric element.
6. magnetic head fold piece combination as claimed in claim 5 is characterized in that: described electrical connection transfer device is a flexible print wiring.
7. magnetic head fold piece combination as claimed in claim 6 is characterized in that: described flexible print wiring comprises and is used for isolating the insulation course of described flexible print wiring and web joint electrically and is formed at the wire circuit layer that is used on this insulation course with the piezoelectric element electric connection.
8. magnetic head fold piece combination as claimed in claim 5 is characterized in that: described electrical connection transfer device is L-shaped.
9. disc drive unit comprises:
Magnetic head fold piece combination;
The actuating arm that is connected with this magnetic head fold piece combination;
Disk; And
Drive the Spindle Motor of disk rotation; Wherein
This magnetic head fold piece combination comprises:
Magnetic head;
Micro-actuator; And
Support the cantilever part of described micro-actuator and magnetic head; Wherein
This micro-actuator comprises:
Framework, it comprise an opposite side arm and at an end of this both sides arm with the interconnected web joint of this both sides arm;
Be installed in the piezoelectric element at least one limit arm; And
Be electrically connected transfer device with what described piezoelectric element and web joint physical connection were got up; Wherein
Described electrical connection transfer device is connected electrically with described piezoelectric element, so that the electrically connecting position between the cantilever part of micro-actuator and magnetic head fold piece combination is transferred to web joint from piezoelectric element.
10. disc drive unit as claimed in claim 9 is characterized in that: described electrical connection transfer device is a flexible print wiring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101366881A CN101174422A (en) | 2006-10-30 | 2006-10-30 | Micro actuator, magnetic recording head tabs combination containing the same and disk drive unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101366881A CN101174422A (en) | 2006-10-30 | 2006-10-30 | Micro actuator, magnetic recording head tabs combination containing the same and disk drive unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101174422A true CN101174422A (en) | 2008-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101366881A Pending CN101174422A (en) | 2006-10-30 | 2006-10-30 | Micro actuator, magnetic recording head tabs combination containing the same and disk drive unit |
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| CN (1) | CN101174422A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102982813A (en) * | 2011-09-06 | 2013-03-20 | 西部数据技术公司 | System and method to align a boss of a head gimbal assembly to a boss hole of an actuator arm for disk drive assembly |
| CN102024459B (en) * | 2009-09-23 | 2014-09-24 | 新科实业有限公司 | Cantilever part with short flexible member tail, head gimbal assembly and disk drive unit |
| CN110677072A (en) * | 2019-10-23 | 2020-01-10 | 维沃移动通信有限公司 | Electronic device |
-
2006
- 2006-10-30 CN CNA2006101366881A patent/CN101174422A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024459B (en) * | 2009-09-23 | 2014-09-24 | 新科实业有限公司 | Cantilever part with short flexible member tail, head gimbal assembly and disk drive unit |
| CN102982813A (en) * | 2011-09-06 | 2013-03-20 | 西部数据技术公司 | System and method to align a boss of a head gimbal assembly to a boss hole of an actuator arm for disk drive assembly |
| CN110677072A (en) * | 2019-10-23 | 2020-01-10 | 维沃移动通信有限公司 | Electronic device |
| WO2021078098A1 (en) * | 2019-10-23 | 2021-04-29 | 维沃移动通信有限公司 | Electronic device |
| JP2022553662A (en) * | 2019-10-23 | 2022-12-26 | 維沃移動通信有限公司 | electronic device |
| JP7391205B2 (en) | 2019-10-23 | 2023-12-04 | 維沃移動通信有限公司 | electronic equipment |
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Open date: 20080507 |