CN1057628C - Method for suppersonic cleaning magnetic head - Google Patents
Method for suppersonic cleaning magnetic head Download PDFInfo
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- CN1057628C CN1057628C CN97114248A CN97114248A CN1057628C CN 1057628 C CN1057628 C CN 1057628C CN 97114248 A CN97114248 A CN 97114248A CN 97114248 A CN97114248 A CN 97114248A CN 1057628 C CN1057628 C CN 1057628C
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- magnetic head
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Abstract
The present invention relates to an ultrasonic cleaning method for a T/F magnetic head. The present invention has the following steps that the T/F magnetic head is carried out for ultrasonic cleaning in a cleaning cylinder with a cleaning agent; the T/F magnetic head is carried out for ultrasonic pre rinsing in a pre rinsing cylinder with DI circulating water, and is carried out for final ultrasonic rinsing in a final rinsing cylinder with DI circulating water; hot air is used for drying the T/F magnetic head, and the T/F magnetic head is placed in a vacuum drying cylinder for drying. The present invention greatly improves the cleaning effect, and effectively reduces the head falling, disorder slice break and visual inspection wire break rate caused by the ultrasonic cleanness of the magnetic head, the multimeter rejection rate and the total rejection rate, so the product qualification rate is enhanced.
Description
The present invention relates to hard disc of computer head technology field, more particularly, relate to a kind of T/F method for suppersonic cleaning magnetic head that the T/F magnetic head is carried out ultrasonic cleaning.
The development of hard disc of computer head technology, the T/F magnetic head replaces the MIG magnetic head substantially, the basic structure of T/F magnetic head is similar to the basic structure of MIG magnetic head, but replaced the monocrystalline ferrite iron core with the NiFe yoke, annular membrane coil with etching has replaced synthesis type magnetic head magnet-wire coil, and T/F magnetic head ultrasonic cleaning and MIG magnetic head ultrasonic cleaning have more different.It is more responsive, is more vulnerable to damage.97 year the 4th phase of " meticulous cleaning " (Precision Cleadning) touch upon the elastic arm tongue piece (Flexure Tongue) of T/F magnetic head when ultrasonic cleaning than easy fracture, the Slider of T/F magnetic head and magnet-wire adopt ultrasonic soldering simultaneously, and the solder joint place is easy to generate bonding wire from the problem that rises and disconnect during ultrasonic cleaning HAS.Because the solder joint place scribbles one deck protection glue,, show open circuit phenomenon (traditionally, this type of defective is called the multimeter waste product) with the multimeter test even all can not visual inspection go out this type of defective at high power (1000 times) microscopically.This is that the MIG magnetic head never has and problem that T/F magnetic head ultrasonic cleaning must solve.Chinese patent CN1104938A discloses " cleaning method and cleaning device ", and this method adopts steps such as bubble, ultrasonic, washing that aluminum precise parts such as VTR magnetic head and photosensitive drums are cleaned; European patent EP 426369 discloses a kind of method of making light electric conductor drum, wherein, also relates to and adopts ultrasonic method that drum is cleaned under certain condition.But above-mentioned documents is not all done any explanation to the ultrasonic cleaning and the characteristics thereof of T/F magnetic head.
The object of the present invention is to provide a kind of T/F method for suppersonic cleaning magnetic head, this T/F method for suppersonic cleaning magnetic head can overcome the shortcoming of prior art, reduce owing to turning around and tongue piece fracture, visual inspection outage, multimeter rejection rate and total rejection rate that the magnetic head ultrasonic cleaning is brought greatly, thereby improve product percent of pass.
The object of the present invention is achieved like this, constructs a kind of T/F method for suppersonic cleaning magnetic head, may further comprise the steps:
In the cleaning cylinder of clean-out system is housed, the T/F magnetic head is carried out the step of ultrasonic cleaning;
The step of in the pre-rinsing cylinder of DI recirculated water is housed, the T/F magnetic head being carried out the pre-rinsing of ultrasound wave;
The step of in the final rinsing cylinder of DI recirculated water is housed, the T/F magnetic head being carried out the final rinsing of ultrasound wave;
With the step of hot blast, and the T/F magnetic head placed in the vacuum drying cylinder step with its oven dry with T/F magnetic head oven dry.
T/F method for suppersonic cleaning magnetic head of the present invention, it is characterized in that, in the described cleaning cylinder that clean-out system is being housed, the T/F magnetic head is carried out in the step of ultrasonic cleaning, used ultrasonic intensity 200W and frequency is 40KHz, temperature is 50 ± 5 degree Celsius, and scavenging period is 3 minutes.
T/F method for suppersonic cleaning magnetic head of the present invention is characterized in that, in described step of the T/F magnetic head being dried with hot blast, cylinder temperature is 80 ± 5 degree Celsius, and drying time is 10 minutes.
T/F method for suppersonic cleaning magnetic head of the present invention is characterized in that, described the T/F magnetic head is placed in the vacuum drying cylinder the step of its oven dry, and used temperature is 80 ± 5 degree Celsius, and drying time is 4 minutes.
T/F method for suppersonic cleaning magnetic head of the present invention, it is characterized in that, in the pre-rinsing cylinder of the described DI of being equipped with recirculated water, the T/F magnetic head is carried out in the step of the pre-rinsing of ultrasound wave that used ultrasonic intensity is 200W and frequency is 68KHz, temperature is 50 ± 5 degree Celsius, and scavenging period is 3 minutes.
T/F method for suppersonic cleaning magnetic head of the present invention, it is characterized in that, in the final rinsing cylinder of the described DI of being equipped with recirculated water, the T/F magnetic head is carried out in the step of the final rinsing of ultrasound wave that used ultrasonic intensity is 200W and frequency is 68KHz, temperature is 50 ± 5 degree Celsius, and scavenging period is 3 minutes.
Implement T/F method for suppersonic cleaning magnetic head of the present invention, the technology that is adopted compared with external associated companies and producer, cleaning performance improves greatly, can effectively reduce owing to turning around and the fracture of random sheet, visual inspection outage, multimeter rejection rate and total rejection rate that the magnetic head ultrasonic cleaning is brought, thereby improve product percent of pass.
In conjunction with the accompanying drawings and embodiments, further specify characteristics of the present invention, in the accompanying drawing:
Fig. 1 is the flow chart illustration of T/F method for suppersonic cleaning magnetic head of the present invention.
In Fig. 1, may further comprise the steps according to T/F method for suppersonic cleaning magnetic head provided by the invention:
1) in the cleaning cylinder of clean-out system is housed, the T/F magnetic head is carried out the step of ultrasonic cleaning; Wherein, used ultrasonic intensity is 200W and frequency is 40KHz, and temperature is 50 ± 5 degree Celsius, and scavenging period is 4 minutes.
2) step of in the pre-rinsing cylinder of DI recirculated water (detergent-free) is housed, the T/F magnetic head being carried out the pre-rinsing of ultrasound wave; Wherein, used ultrasonic intensity is 200W and frequency is 68KHz, and temperature is 50 ± 5 degree Celsius, and scavenging period is 3 minutes.
3) step of in the final rinsing cylinder of DI recirculated water (detergent-free) is housed, the T/F magnetic head being carried out the final rinsing of ultrasound wave; Wherein, used ultrasonic intensity is 200W and frequency is 68KHz, and temperature is 50 ± 5 degree Celsius, and scavenging period is 3 minutes.
4) with the step of hot blast with the oven dry of T/F magnetic head, wherein, cylinder temperature is 80 ± 5 degree Celsius, and drying time is 10 minutes.
5) the T/F magnetic head is placed in the vacuum drying cylinder step with its oven dry, wherein, used temperature is 80 ± 5 degree Celsius, and drying time is 4 minutes.
To be compared as follows the effect that the ultrasonic cleaning of T/F magnetic head and the ultrasonic cleaning of MIC magnetic head are produced with the inventive method:
Wherein, dirty Slider and the HGA winding displacement position of being meant is dirty, can be clean than easy cleaning with cotton swab at Clean room.
As seen from last, the effect of utilizing ultrasonic cleaning method provided by the invention to handle the T/F magnetic head is significant.Because reduced the generation of waste product to large extent, cleaning quality satisfies customer requirements.
Claims (6)
1. a method for suppersonic cleaning magnetic head is characterized in that, may further comprise the steps:
In the cleaning cylinder of clean-out system is housed the T/F magnetic head is carried out ultrasonic cleaning, used ultrasonic intensity is 200W and frequency is 40KHz, and temperature is 50 ± 5 degree Celsius, and scavenging period is 3-5 minute;
In the pre-rinsing cylinder of DI recirculated water is housed the T/F magnetic head is carried out the pre-rinsing of ultrasound wave, used ultrasonic intensity is 200W and frequency is 68KHz, and temperature is 50 ± 5 degree Celsius, and scavenging period is 2-4 minute;
In the final rinsing cylinder of DI recirculated water is housed the T/F magnetic head is carried out the final rinsing of ultrasound wave, used ultrasonic intensity is 200W and frequency is 68KHz, and temperature is 50 ± 5 degree Celsius, and scavenging period is 2-4 minute;
With the oven dry of T/F magnetic head, wherein cylinder temperature is 80 ± 5 degree Celsius with hot blast, and drying time is 8-12 minute, and
The T/F magnetic head is placed in the vacuum drying cylinder its oven dry, and used temperature is 80 ± 5 degree Celsius, and drying time is 3-5 minute.
2. method for suppersonic cleaning magnetic head according to claim 1 is characterized in that, in the described cleaning cylinder that clean-out system is being housed the T/F magnetic head is carried out in the step of ultrasonic cleaning, and described scavenging period is 4 minutes.
3. method for suppersonic cleaning magnetic head according to claim 1 is characterized in that, in the pre-rinsing cylinder of the described DI of being equipped with recirculated water the T/F magnetic head is carried out in the step of the pre-rinsing of ultrasound wave, and described scavenging period is 3 minutes.
4. T/F method for suppersonic cleaning magnetic head according to claim 1 is characterized in that, in the final rinsing cylinder of the described DI of being equipped with recirculated water the T/F magnetic head is carried out in the step of the final rinsing of ultrasound wave, and described scavenging period is 3 minutes.
5. T/F method for suppersonic cleaning magnetic head according to claim 1 is characterized in that, in described step of the T/F magnetic head being dried with hot blast, described drying time is 10 minutes.
6. T/F method for suppersonic cleaning magnetic head according to claim 1 is characterized in that, described the T/F magnetic head is placed in the vacuum drying cylinder the step of its oven dry, and described drying time is 4 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97114248A CN1057628C (en) | 1997-09-04 | 1997-09-04 | Method for suppersonic cleaning magnetic head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97114248A CN1057628C (en) | 1997-09-04 | 1997-09-04 | Method for suppersonic cleaning magnetic head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1210329A CN1210329A (en) | 1999-03-10 |
| CN1057628C true CN1057628C (en) | 2000-10-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97114248A Expired - Fee Related CN1057628C (en) | 1997-09-04 | 1997-09-04 | Method for suppersonic cleaning magnetic head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1057628C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106205641A (en) * | 2016-06-27 | 2016-12-07 | 东莞市楷德精密机械有限公司 | Magnetic head cleaning device, magnetic head cleaner and magnetic head cleaning method thereof |
| CN106676551A (en) * | 2016-12-27 | 2017-05-17 | 奥特凯姆（中国）汽车部件有限公司 | Efficient workpiece derusting technology |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426369A2 (en) * | 1989-10-30 | 1991-05-08 | Mita Industrial Co., Ltd. | A method of manufacturing a photoconductor drum |
| CN1104938A (en) * | 1993-10-06 | 1995-07-12 | 日立造船株式会社 | Method and apparatus for clean washing |
-
1997
- 1997-09-04 CN CN97114248A patent/CN1057628C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0426369A2 (en) * | 1989-10-30 | 1991-05-08 | Mita Industrial Co., Ltd. | A method of manufacturing a photoconductor drum |
| CN1104938A (en) * | 1993-10-06 | 1995-07-12 | 日立造船株式会社 | Method and apparatus for clean washing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1210329A (en) | 1999-03-10 |
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