Cleaning agent for magnetic head

A cleaning agent and magnetic head technology, applied in the field of cleaning agents, can solve the problems of incomplete removal of particles and residual organic solvents, and achieve the effects of enhanced cleaning effect, prevention of secondary adsorption, and reduction of surface tension

Active Publication Date: 2011-09-28
JIANGSU HAIXUN IND GROUP SHARE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this method does not remove the particles thoroughly and is prone to organic solvent residues
At present, there is no special water-soluble cleaning agent for magnetic head polishing on the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] In the present embodiment, the percentage by weight of each component of computer magnetic head cleaning agent is as follows:

[0036] components

[0037] Hydrophobic silica

[0038] Preparation method: Prepare each component according to the above ratio, dissolve the remaining components except hydrophobic silica in deionized water at room temperature, stir evenly, and then add hydrophobic silica until the foam disappears, which becomes the method of the present invention. Head cleaner.

Embodiment 2

[0040] In the present embodiment, the percentage by weight of each component of computer magnetic head cleaning agent is as follows:

[0041] components

[0042] Preparation method: Prepare each component according to the above ratio, dissolve the remaining components except hydrophobic silica in deionized water at room temperature, stir evenly, and then add hydrophobic silica until the foam disappears, which becomes the method of the present invention. Head cleaner.

Embodiment 3

[0044] In the present embodiment, the percentage by weight of each component of computer magnetic head cleaning agent is as follows:

[0045] components

[0046] Sodium Fatty Alcohol Polyoxyethylene(3) Ether Sulfate

[0047] Preparation method: Prepare each component according to the above ratio, dissolve the remaining components except hydrophobic silica in deionized water at room temperature, stir evenly, and then add hydrophobic silica until the foam disappears, which becomes the method of the present invention. Head cleaner.

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PUM

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Abstract

The present invention provides a cleansing agent for a computer disk head. The cleansing agent comprises the following compositions according to weight percentage: 3-8 percent of a solubilizing agent, 3-10 percent of a non-ionic surface active agent, 3-10 percent of an anionic active agent, 1-5 percent of foam suppressor, 3-10 percent of 2, 3-dihydro-decafluoropentane, and the rest being de-ionized water. The cleansing agent is a water soluble cleansing agent, has perfect cleansing effect on organic solvent and solid particles remained on the surface of a polished disk head with small corrosion, is convenient for treating and discharging of waste cleansing agent, and accords with the requirement of environmental protection. The cleansing agent has the advantages of reasonable formulation design, simple preparation process and low cost without special production equipment.

Description

technical field [0001] The invention relates to a cleaning agent, in particular to a water-soluble cleaning agent used after the computer magnetic head is polished. Background technique [0002] With the rapid development of computer technology, the surface quality requirements of computer hard disks and magnetic heads are getting higher and higher. At present, the disk / head gap has approached below 15nm, and the surface roughness, scratches, and impurity particles of the head and disk will cause fatal damage to the computer disk. Therefore, these surface defects and pollution should be minimized. Among them, for computer magnetic heads, cleaning after polishing is an effective means to reduce surface impurity pollution. [0003] At present, in the polishing process of computer magnetic heads, solid powders with particle sizes in the order of microns are mostly used as abrasives, and they are dispersed in petroleum distillate to form magnetic head polishing fluids. Interna...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11D1/83G11B5/41
Inventor 仲跻和
Owner JIANGSU HAIXUN IND GROUP SHARE
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