CN102682791A - Elongated strip adhesion device - Google Patents
Elongated strip adhesion device Download PDFInfo
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- CN102682791A CN102682791A CN2011100645525A CN201110064552A CN102682791A CN 102682791 A CN102682791 A CN 102682791A CN 2011100645525 A CN2011100645525 A CN 2011100645525A CN 201110064552 A CN201110064552 A CN 201110064552A CN 102682791 A CN102682791 A CN 102682791A
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- long strips
- pressing means
- adhering device
- elongated strip
- wax layer
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Abstract
The invention discloses an elongated strip adhesion device. The elongated strip adhesion device comprises a supporting device which is used for supporting an elongated strip and a pressurizing piece which is used for applying force to the elongated strip, wherein the supporting device comprises a supporting surface; a wax layer is coated on the supporting surface; the elongated strip is placed on the wax layer; the pressurizing piece comprises a flat bottom surface; a flexible piece is connected to the bottom surface; and the pressurizing piece pressurizes the elongated strip, so the elongated strip is flattened. By adoption of the elongated strip adhesion device, the flexibility of the elongated strip can be improved, so subsequent grinding process is facilitated, the performance of a magnetic head which is made of the elongated strip is improved, and the read-write performance of the magnetic head is improved.
Description
Technical field
The present invention relates to a kind of manufacturing equipment that is used for the magnetic head of disc driver, relate in particular to and a kind of magnetic head rectangular bar is bonded in the adhering device on the bracing or strutting arrangement, thereby help carrying out follow-up grinding step.
Background technology
Hard disk drive with spinning disk is used as the data of media on the stored disk surface usually, and often, the magnetic recording head in hard disk drive is used as recorded information on spinning disk.
At present, the process of magnetic head is such: (1) cuts into some long strips with a wafer; (2) long strips is bonded on the bracing or strutting arrangement; (3) this long strips is carried out surface treatment (as grinding) and shapes processing (arching upward as forming the surface); (4) use epoxy glue that this long strips is bonded together and be placed on and carry out pattern on the tool and become technology; (5) use solvent, for example N-Methyl pyrrolidone (NMP) dissolves this long strips and the lip-deep epoxy glue of tool, thereby this long strips is come unstuck; (6) long strips after will coming unstuck cuts into single magnetic head body and through surface working and finally form magnetic head.
Must be bonded in reason and the bonding illustrated in detail of carrying out how on the bracing or strutting arrangement with regard to long strips below.At first, shown in Fig. 1 a,, then square block 102 is cut into bar shaped, thereby obtain long strips 101 through wafer 100 is cut into square block 102.After long strips 101 cut down from square block 102, because the effect of internal stress, it bending can occur inevitably, shown in Fig. 1 b.Is known that by many this crooked long strips 101 can make grinding step become difficult, and, the amount of grinding difference of every part of long strips 101, this will influence long strips 101 process magnetic head or the magnetic resistance height, finally influence the performance of magnetic head.Therefore, the above-mentioned step (2) that long strips 101 is bonded on the bracing or strutting arrangement is very important to follow-up grinding step.Fig. 2 has showed the long strips adhering device 2 with bracing or strutting arrangement 200.This bracing or strutting arrangement 200 comprises pedestal 201 and is formed at the support level 202 on the pedestal 201.Support level 202 has stayed surface 203, on this stayed surface 203, scribbles glue layer 210, thereby long strips 101 is bonded on the stayed surface 203.
Yet because the coagulation force of glue is very strong, therefore in the moment that the glue solidifies, long strips 101 meetings further produce internal stress, and this will make that the change in shape of long strips 101 is complicated more, even can make long strips 101 that the deformation damage takes place.
For addressing the above problem, another long strips adhering device 2 ' is used to make crooked long strips to flatten.As shown in Figure 3, compare aforesaid device 2, this long strips adhering device 2 ' has been set up a pressurizing block 220, with to long strips 101 application of forces.These pressurizing block 220 quality are hard, and have a smooth surface of contact 221, therefore when long strips 101 is exerted pressure, can it be flattened.Yet on the one hand, this surface of contact 221 is very hard, and the coagulation force of glue is very strong; On the other hand, surface of contact 221 is difficult to control with supporting surface 203, and therefore, desire is controlled at the very difficulty that seems within the 0.15um with the flexibility of long strips 101.That is, utilize the flexibility of the long strips 101 that said method obtains very undesirable.Therefore, thereby how long strips is flattened in follow-up grinding step, obtain a good magnetic head performance and remain a current important topic.
Therefore, demand a kind of improved long strips adhering device urgently to overcome above-mentioned defective.
Summary of the invention
The object of the present invention is to provide a kind of long strips adhering device, it can improve the flexibility of long strips, thereby helps follow-up grinding step, and then improves the performance of the magnetic head of being processed by long strips, finally improves the readwrite performance of magnetic head.
For realizing above-mentioned purpose, the invention provides a kind of long strips adhering device, comprise being used to support the bracing or strutting arrangement of long strips and being used for pressing means to the said long strips application of force.Wherein, said bracing or strutting arrangement comprises supporting surface, scribbles the wax layer on the said supporting surface; Said long strips is positioned on the said wax layer; Said pressing means comprises flat bottom surface, is connected with flexible piece on the said bottom surface, thereby said pressing means is exerted pressure to said long strips and made it smooth.
Preferably, the material of said wax layer is a Tissuemat E.
Preferably, the thickness range of said wax layer is 0.5mm～1.0mm.
Preferably, said flexible piece is a rubber.
Preferably, the durometer level of said rubber is 70HA～80HA.
Preferably, the length of the said bottom surface of said pressing means is greater than the length of said long strips.
Preferably, the length of said flexible piece at least with the equal in length of said bottom surface.
Preferably, also comprise an antistatic protection film, said antistatic protection film is coated on outside said pressing means and the said flexible piece.
Preferably, also comprise a metalwork, said metalwork links to each other with said pressing means, in order to increase the pressure of said pressing means.
Preferably, also comprise a control device, said control device is used to control the translational speed of said pressing means when said long strips pressurizes.
Compared with prior art, the invention provides a bracing or strutting arrangement that scribbles the wax layer, the quality of this wax layer is soft than glue, and cooling velocity is slow.Therefore, when long strips touched the wax layer, internal stress still less produced on long strips.Again and, because the flat bottom surface of pressing means is provided with flexible piece, this flexible piece has softer quality equally, therefore, the long strips of pressurized can not be damaged, and can be flattened equably, and can not produce violent bending and deformation.Therefore, the long strips that improved of flexibility helps follow-up grinding step.Especially, the invention enables grinding step to be more prone to, Grinding Quality is better, thereby improves the quality of the magnetic head of being processed by long strips, finally improves the readwrite performance of magnetic head.
Through following description and combine accompanying drawing, 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
How Fig. 1 a for cut into wafer microscler rough schematic view traditionally.
Fig. 1 b is the case of bending of long strips after cutting.
Fig. 2 is traditional long strips adhering device.
Fig. 3 is another traditional long strips adhering device.
Fig. 4 a is the synoptic diagram of an embodiment of long strips adhering device of the present invention.
Fig. 4 b is the synoptic diagram of the long strips adhering device after pressing means falls along arrow 39.
Fig. 5 is the synoptic diagram of the pressing means of long strips adhering device among Fig. 4 a.
Fig. 6 has showed another embodiment of pressing means of the present invention.
Fig. 7 has showed an embodiment again of pressing means of the present invention.
Fig. 8 has showed that the present invention is bonded in long strips the method for bracing or strutting arrangement.
Embodiment
Set forth the several different most preferred embodiments of the present invention below with reference to accompanying drawing, identical label is represented identical parts among the wherein different figure.As stated, essence of the present invention is a kind of long strips adhering device, and it can improve the flexibility of long strips, thereby helps follow-up grinding step, and then improves the performance of the magnetic head of being processed by long strips, finally improves the readwrite performance of magnetic head.
With reference to figure 4a, 4b, according to the present invention, long strips adhering device 3 comprises bracing or strutting arrangement 31 and pressing means 33.Particularly, this bracing or strutting arrangement 31 comprises pedestal 311 and connects the support level 313 that is used to support long strips 301 on it.Under design of the present invention, this support level 313 has a supporting surface 315, when bonding, scribbles wax layer 317 above that.As a preferred embodiment, this wax layer 317 is processed by Tissuemat E, and its model is WAX325MP.The melting range of this Tissuemat E is 95 ℃～115 ℃, and for example 106 ℃, softening point range is 100 ℃～115 ℃, and for example 109 ℃, the melting viscosity scope is 200～215, for example 205, and working temperature is between 110 ℃～120 ℃.Preferably, wax layer 317 thickness range that are coated on the supporting surface 315 are 0.5mm～1.0mm.This wax layer 317 the flexibility that can improve long strips 301 being set and not being damaged.
Like Fig. 4 b and shown in Figure 5, the pressing means 33 of present embodiment is a cube, and it has a flat bottom surface 331, under bottom surface 331, is provided with flexible piece 35.Wherein, the length of this flexible piece 35 length with bottom surface 331 at least is identical, and the length of bottom surface 331 is then greater than the length of long strips 331, thereby makes fully pressurized of long strips 301.Preferably, this flexible piece 35 is by rubber, and its hardness is between 70HA～80HA, and hardness is not high, has certain flexibility.Therefore, when the pressing means with flexible piece 35 33 was pressed in long strips 301, long strips 301 can not produce violent deformation in moment when bonding.
For preventing that flexible piece 35 can cling long strips 301 under thermal environment, as shown in Figure 6, on pressing means 33 and flexible piece 35, be coated with one deck antistatic protection film 37.In addition, this antistatic protection film 37 magnetic head that can prevent to be processed by long strips 301 is by electrostatic breakdown.
As shown in Figure 7, this long strips adhering device 3 also comprises the metalwork 21 that links to each other with pressing means 33, thereby increases the pressure of pressing means 33.Particularly, on pressing means 33, form two screws 333, utilize screw 335 that metalwork 21 is connected on the pressing means 33.Preferably, the weight of this derby between 4.5kg～5.kg, thereby pressing means 33 is moved down.
This long strips adhering device 3 also comprises a control device (figure does not show), and this control device is used to control the falling speed of pressing means 33 before pushing long strips 301.Particularly; When pressing means 33 and metalwork 21 when arrow 39 falls; This control device provides the power that makes progress less than this pressing means 33 and metalwork 21 general assembly (TW)s, after flexible piece 35 touches this long strips 301, stops the application of force, and after wax layer 317 cools off 10～15 seconds; Power that makes progress greater than this pressing means 33 and metalwork 21 general assembly (TW)s is provided, thereby away from long strips 301.In the present invention, the power of control device can be supplied with by electric system, baric systerm or hydraulic system.The above-mentioned power that makes progress can be slowed down the falling speed of pressing means 33, thereby prevents too fast speed and make long strips generation deformation and damage.
Compare prior art, the invention provides a bracing or strutting arrangement that scribbles the wax layer, the quality of this wax layer is soft than glue, and cooling velocity is slower.Therefore, when long strips touched the wax layer, internal stress still less produced on long strips.Again and, because the flat bottom surface of pressing means is provided with flexible piece, this flexible piece has softer quality equally, therefore, the long strips of pressurized can not be damaged, and can be flattened equably, and can not produce violent bending and deformation.Therefore, the long strips that improved of flexibility helps follow-up grinding step.Especially, the invention enables grinding step to be more prone to, Grinding Quality is better, thereby improves the quality of the magnetic head of being processed by long strips, finally improves the readwrite performance of magnetic head.
In conjunction with Fig. 8, the existing method that long strips is bonded on the bracing or strutting arrangement to how is described.
Step (801) connects flexible piece on the flat bottom surface of a pressing means;
Step (802) is coated with the layer of waxing on the supporting surface of a bracing or strutting arrangement;
Step (803) is positioned over long strips on this supporting surface that scribbles the wax layer;
Step (804) is controlled this pressing means and is moved down, thereby exerts pressure and with its pressing to this long strips.
Particularly, in step (801), the length of flexible piece is set to that the bottom surface length with pressing means is consistent at least, and the length of the bottom surface of this pressing means is then greater than the length of long strips, thereby makes fully pressurized of whole long strips.Preferably, this flexible piece is a rubber, and it has the hardness that scope is 70HA～80HA, therefore has certain pliability.Therefore, when the pressing means with flexible piece when long strips pressurizes, long strips produces less deformation when bonding in moment.
Preferably, in step (802), the wax layer is applied to thickness within the scope of 0.5mm～1.0mm.Preferably, this wax layer is processed by Tissuemat E, and its model is WAX325MP.The melting range of this Tissuemat E is 95 ℃～115 ℃, and for example 106 ℃, softening point range is 100 ℃～115 ℃, and for example 109 ℃, the melting viscosity scope is 200～215, for example 205, and working temperature is between 110 ℃～120 ℃.Preferably, wax layer 317 thickness range that are coated on the supporting surface 315 are 0.5mm～1.0mm.This wax layer 317 the flexibility that can improve long strips 301 being set and not being damaged.
Especially; In step (804), when pressing means falls, the power that makes progress less than this pressing means weight is provided;, flexible piece stops the application of force after touching this long strips; And after the wax layer cools off 10～15 seconds, the power that makes progress greater than this pressing means weight is provided, thereby away from long strips.In the present invention, the power of control device can be supplied with by electric system, baric systerm or hydraulic system.The above-mentioned power that makes progress can be slowed down the falling speed of pressing means, thereby prevents too fast speed and make long strips generation deformation and damage.
Adopt method of the present invention can improve the flexibility of long strips equally, thereby help follow-up grinding step.Especially, the invention enables grinding step to be more prone to, Grinding Quality is better, thereby improves the quality of the magnetic head of being processed by long strips, finally improves the readwrite performance of magnetic head.
Above disclosedly be merely preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. a long strips adhering device comprises being used to support the bracing or strutting arrangement of long strips and being used for the pressing means to the said long strips application of force; It is characterized in that: said bracing or strutting arrangement comprises supporting surface; Scribble the wax layer on the said supporting surface, said long strips is positioned on the said wax layer, and said pressing means comprises flat bottom surface; Be connected with flexible piece on the said bottom surface, thereby said pressing means is exerted pressure to said long strips and is made it smooth.
2. long strips adhering device as claimed in claim 1 is characterized in that: the material of said wax layer is a Tissuemat E.
3. long strips adhering device as claimed in claim 1 is characterized in that: the thickness range of said wax layer is 0.5mm～1.0mm.
4. long strips adhering device as claimed in claim 1 is characterized in that: said flexible piece is a rubber.
5. long strips adhering device as claimed in claim 4 is characterized in that: the durometer level of said rubber is 70HA～80HA.
6. long strips adhering device as claimed in claim 1 is characterized in that: the length of the said bottom surface of said pressing means is greater than the length of said long strips.
7. long strips adhering device as claimed in claim 6 is characterized in that: the length of said flexible piece at least with the equal in length of said bottom surface.
8. long strips adhering device as claimed in claim 1 is characterized in that: also comprise an antistatic protection film, said antistatic protection film is coated on outside said pressing means and the said flexible piece.
9. long strips adhering device as claimed in claim 1 is characterized in that: also comprise a metalwork, said metalwork links to each other with said pressing means, in order to increase the pressure of said pressing means to said long strips.
10. long strips adhering device as claimed in claim 1 is characterized in that: also comprise a control device, said control device is used to control the translational speed of said pressing means when said long strips pressurizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100645525A CN102682791A (en) | 2011-03-17 | 2011-03-17 | Elongated strip adhesion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100645525A CN102682791A (en) | 2011-03-17 | 2011-03-17 | Elongated strip adhesion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102682791A true CN102682791A (en) | 2012-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100645525A Pending CN102682791A (en) | 2011-03-17 | 2011-03-17 | Elongated strip adhesion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284131A (en) * | 2020-09-28 | 2022-04-05 | 东莞新科技术研究开发有限公司 | Method for processing wafer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH054312U (en) * | 1991-07-01 | 1993-01-22 | アルプス電気株式会社 | Texture roll |
| CN1100224A (en) * | 1993-04-28 | 1995-03-15 | 三星电机株式会社 | Method for fabricating a magnetic head |
| US6129855A (en) * | 1996-12-09 | 2000-10-10 | Fujitsu Ltd. | Method of manufacturing magnetic head slider, and guide plate used therefor |
| CN101393885A (en) * | 2008-10-31 | 2009-03-25 | 中茂电子(深圳)有限公司 | Fixing/releasing auxiliary device for a wafer detection platform, the wafer detection platform and method therefor |
| CN101425295A (en) * | 2007-11-02 | 2009-05-06 | 新科实业有限公司 | Manufacturing method for magnetic head sliding block |
-
2011
- 2011-03-17 CN CN2011100645525A patent/CN102682791A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH054312U (en) * | 1991-07-01 | 1993-01-22 | アルプス電気株式会社 | Texture roll |
| CN1100224A (en) * | 1993-04-28 | 1995-03-15 | 三星电机株式会社 | Method for fabricating a magnetic head |
| US6129855A (en) * | 1996-12-09 | 2000-10-10 | Fujitsu Ltd. | Method of manufacturing magnetic head slider, and guide plate used therefor |
| CN101425295A (en) * | 2007-11-02 | 2009-05-06 | 新科实业有限公司 | Manufacturing method for magnetic head sliding block |
| CN101393885A (en) * | 2008-10-31 | 2009-03-25 | 中茂电子(深圳)有限公司 | Fixing/releasing auxiliary device for a wafer detection platform, the wafer detection platform and method therefor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114284131A (en) * | 2020-09-28 | 2022-04-05 | 东莞新科技术研究开发有限公司 | Method for processing wafer |
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Application publication date: 20120919 |