1. A carbon fiber surface oil changing method, comprising the steps of:
supplying a carbon fiber material with a surface covered by a thermosetting resin oil;
performing a desizing step to remove the thermosetting resin oil from the surface of the carbon fiber material;
performing a surfactant coating step to cover the surface of the carbon fiber material with a surfactant; and
performing a sizing step to cover a surface of the surfactant with the thermosetting resin oil,
wherein the surfactant coating steps uses ethanol to clean to surface of the carbon fiber material, and then uses 0.5\u02dc1 wt % of amine-containing surfactant and 99\u02dc99.5 wt % of aqueous ethanol to perform the coating.
2. The carbon fiber surface oil changing method of claim 1,
wherein the desizing step is conducted at a high temperature of 250\u02dc650\xb0 C. for 1\u02dc60 seconds.
3. The carbon fiber surface oil changing method of claim 1,
wherein the desizing step adopts an organic solvent to clean the surface of the carbon fiber material.
4. The carbon fiber surface oil changing method of claim 3, wherein the organic solvent is acetone or chloroform.
5. The carbon fiber surface oil changing method of claim 1, wherein the surfactant coating step adopts an aerosol spray method or a soaking method.
6. The carbon fiber surface oil changing method of claim 1, further comprising a first drying step taken place between the surfactant coating step and the sizing step.
7. The carbon fiber surface oil changing method of claim 1, wherein the sizing step adopts a soaking method or an immersion method.
8. The carbon fiber surface oil changing method of claim 1, wherein the thermosetting resin oil is one selected from the group of PU, PE, PP, acrylic and PCAB oils.
9. The carbon fiber surface oil changing method of claim 1, wherein the sizing step further comprises a second drying step.
10. A carbon fiber surface oil changing method, comprising the steps of:
supplying a carbon fiber material with a surface covered by a thermosetting resin oil;
performing a desizing step to remove the thermosetting resin oil from the surface of the carbon fiber material;
performing a surfactant coating step to cover the surface of the carbon fiber material with a surfactant; and
performing a sizing step to cover a surface of the surfactant with the thermoplastic resin oil,
wherein the surfactant coating steps uses ethanol to clean to surface of the carbon fiber material, and then uses 0.5\u02dc1 wt % of amine-containing surfactant and 99\u02dc99.5 wt % of aqueous ethanol to perform the coating.
11. The carbon fiber surface oil changing method of claim 10,
wherein the desizing step is conducted at a high temperature of 250\u02dc650\xb0 C. for 1\u02dc60 seconds.
12. The carbon fiber surface oil changing method of claim 10,
wherein the desizing step adopts an organic solvent to clean the surface of the carbon fiber material.
13. The carbon fiber surface oil changing method of claim 12,
wherein the organic solvent is acetone or chloroform.
14. The carbon fiber surface oil changing method of claim 10, wherein the surfactant coating step adopts an aerosol spray method or a soaking method.
15. The carbon fiber surface oil changing method of claim 10, further comprising a first drying step taken place between the surfactant coating step and the sizing step.
16. The carbon fiber surface oil changing method of claim 10, wherein the sizing step adopts a soaking method or an immersion method.
17. The carbon fiber surface oil changing method of claim 10, wherein the thermoplastic resin oil is one selected from the group of PU, PE, PP, acrylic and PCAB oils.
18. The carbon fiber surface oil changing method of claim 10, wherein the sizing step further comprises a second drying step.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A suspension for supporting a head slider which includes at least one write head element with terminal electrodes and at least one read head element with terminal electrodes, comprising:
a resilient suspension member; and
a lead conductor member including a pair of first trace conductors and a pair of second trace conductors, one ends of said pair of first trace conductors being electrically connected to the terminal electrodes of said at least one write head element, one ends of said pair of second trace conductors being electrically connected to the terminal electrodes of said at least one read head element, at least part of said lead conductor member being fixed to said suspension member,
said pair of first trace conductors being separately located at opposite side regions of said suspension member in a top end section of said suspension member, respectively.
2. The suspension as claimed in claim 1, wherein the top end section of said suspension member has two arms running along opposite side edges of said suspension member and a head slider support coupled with top ends of said two arms, and wherein said pair of first trace conductors are formed on said two arms, respectively.
3. The suspension as claimed in claim 1, wherein said lead conductor member includes a resin layer directly laminated on said suspension member, said pairs of first and second trace conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors.
4. The suspension as claimed in claim 1, wherein said lead conductor member includes a resin layer laminated on a thin metal plate which is fixed to said suspension member, said pairs of first and second trace conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors.
5. The suspension as claimed in claim 1, wherein said lead conductor member includes a FPC member consisting of a resin layer, said pairs of first and second trace conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors.
6. The suspension as claimed in claim 1, wherein said pair of second trace conductors are separately located at opposite side regions of said suspension member in the top end section of said suspension member, respectively.
7. The suspension as claimed in claim 6, wherein said lead conductor member further includes ground conductors or source voltage conductors each inserted between said first trace conductor and said second trace conductor separately located at each side region.
8. The suspension as claimed in claim 7, wherein said lead conductor member includes a resin layer directly laminated on said suspension member, said pairs of first and second trace conductors formed on said resin layer, said ground conductors or source voltage conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors and said ground conductors or source voltage conductors.
9. The suspension as claimed in claim 7, wherein said lead conductor member includes a resin layer laminated on a thin metal plate which is fixed to said suspension member, said pairs of first and second trace conductors formed on said resin layer, said ground conductors or source voltage conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors and said ground conductors or source voltage conductors.
10. The suspension as claimed in claim 7, wherein said lead conductor member includes a FPC member consisting of a resin layer, said pairs of first and second trace conductors formed on said resin layer, said ground conductors or source voltage conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors and said ground conductors or source voltage conductors.
11. The suspension as claimed in claim 1, wherein said suspension member includes a base plate, a load beam coupled with said base plate, and a resilient flexure fixed to a top end section of said load beam for mounting said head slider.
12. A head gimbal assembly including a head slider which has at least one write head element with terminal electrodes and at least one read head element with terminal electrodes, and a suspension for supporting at its top end section said head slider, said suspension comprising:
a resilient suspension member; and
a lead conductor member including a pair of first trace conductors and a pair of second trace conductors, one ends of said pair of first trace conductors being electrically connected to the terminal electrodes of said at least one write head element, one ends of said pair of second trace conductors being electrically connected to the terminal electrodes of said at least one read head element, at least part of said lead conductor member being fixed to said suspension member,
said pair of first trace conductors being separately located at opposite side regions of said suspension member in a top end section of said suspension member, respectively.
13. The head gimbal assembly as claimed in claim 12, wherein the top end section of said suspension member has two arms running along opposite side edges of said suspension member and a head slider support coupled with top ends of said two arms, and wherein said pair of first trace conductors are formed on said two arms, respectively.
14. The head gimbal assembly as claimed in claim 12, wherein said lead conductor member includes a resin layer directly laminated on said suspension member, said pairs of first and second trace conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors.
15. The head gimbal assembly as claimed in claim 12, wherein said lead conductor member includes a resin layer laminated on a thin metal plate which is fixed to said suspension member, said pairs of first and second trace conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors.
16. The head gimbal assembly as claimed in claim 12, wherein said lead conductor member includes a FPC member consisting of a resin layer, said pairs of first and second trace conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors.
17. The head gimbal assembly as claimed in claim 12, wherein said pair of second trace conductors are separately located at opposite side regions of said suspension member in the top end section of said suspension member, respectively.
18. The head gimbal assembly as claimed in claim 17, wherein said lead conductor member further includes ground conductors or source voltage conductors each inserted between said first trace conductor and said second trace conductor separately located at each side region.
19. The head gimbal assembly as claimed in claim 18, wherein said lead conductor member includes a resin layer directly laminated on said suspension member, said pairs of first and second trace conductors formed on said resin layer, said ground conductors or source voltage conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors and said ground conductors or source voltage conductors.
20. The head gimbal assembly as claimed in claim 18, wherein said lead conductor member includes a resin layer laminated on a thin metal plate which is fixed to said suspension member, said pairs of first and second trace conductors formed on said resin layer, said ground conductors or source voltage conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors and said ground conductors or source voltage conductors.
21. The head gimbal assembly as claimed in claim 18, wherein said lead conductor member includes a FPC member consisting of a resin layer, said pairs of first and second trace conductors formed on said resin layer, said ground conductors or source voltage conductors formed on said resin layer, and an overcoat layer for covering said pairs of first and second trace conductors and said ground conductors or source voltage conductors.
22. The head gimbal assembly as claimed in claim 12, wherein said suspension member includes a base plate, a load beam coupled with said base plate, and a resilient flexure fixed to a top end section of said load beam for mounting said head slider.
23. The head gimbal assembly as claimed in claim 12, wherein said at least one write head element and said at least one read head element comprise at least one magnetic write head element and at least one magnetic read head element, respectively.
24. The head gimbal assembly as claimed in claim 23, wherein said at least one magnetic read head element comprises a magnetoresistive effect read head element.