Claims
- 1. A slider for supporting a transducing head proximate a rotating disc, the slider comprising:
a slider body having a leading edge and a trailing edge, a forward face adjacent the trailing edge; a slider bond pad located on the forward face; and a slider ground pad located on the slider body for interconnecting with a ground trace.
- 2. The slider of claim 1 wherein a resistance from the slider ground pad to the slider body is about 1 ohms to about 10 ohms.
- 3. An improved suspension assembly comprising:
a suspension including a load beam and a gimbal connected to a distal end of the load beam, the gimbal having a slider opposing face; a slider supporting a transducing head and the slider supported by the slider opposing face of the gimbal, the slider comprising:
a slider body having a gimbal opposing face and a disc opposing face, the slider body having a forward face extending between the gimbal opposing face and the disc opposing face; a slider bond pad located on the forward face, a slider ground pad located on the forward face; and a ground trace interconnected with the slider ground pad.
- 4. The improved suspension assembly of claim 3 wherein the ground trace is terminated to the suspension.
- 5. The improved suspension assembly of claim 4 wherein a resistance between the ground trace and the suspension is less than 100 ohms.
- 6. The improved suspension assembly of claim 4 wherein the ground trace is electrically connected to the gimbal adjacent a forward edge of the gimbal, the ground trace connected to the gimbal with a highly conductive adhesive.
- 7. The improved suspension assembly of claim 6 wherein the highly conductive adhesive is a silver-filled epoxy adhesive.
- 8. The improved suspension assembly of claim 4 wherein the ground trace is electrically connected to the load beam at a conductive tack, the conductive tack comprised of a highly conductive adhesive located at a proximal end of the load beam.
- 9. The improved suspension assembly of claim 3 wherein the ground trace extends along the slider opposing face of the gimbal and the load beam, the ground trace terminated at a printed circuit card assembly.
- 10. The improved suspension assembly of claim 9 wherein a resistance from the ground trace to the printed circuit card assembly is about 5 ohms to about 12 ohms.
- 11. The improved suspension assembly of claim 3 wherein the gimbal further comprises a flex circuit material on the slider opposing face and a plurality of flex on suspension (FOS) bond pads located on the flex circuit material, and wherein the FOS bond pads include a ground FOS bond pad located on the flex circuit material such that the slider ground pad is aligned with the ground FOS bond pad.
- 12. The improved suspension assembly of claim 11 wherein the ground trace is connected to the ground FOS bond pad and the slider ground pad is connected to the ground FOS bond pad by a ball bond.
- 13. A disc drive comprising:
a movable actuator arm; a suspension including a load beam supported by a distal end of the actuator arm and a gimbal connected to a distal end of the load beam, the gimbal having a slider opposing face and a forward edge; a slider supporting a transducing head and the slider supported by the slider opposing face of the gimbal; and a ground trace having a first end and a second end, the first end of the ground trace electrically connected to the slider and the second end terminated at the suspension.
- 14. The disc drive of claim 13 wherein the second end of the ground trace is terminated at a conductive tack positioned adjacent the forward edge of the gimbal.
- 15. The disc drive of claim 14 wherein the conductive tack is comprised of a highly conductive adhesive.
- 16. The disc drive of claim 13 wherein the ground trace connects with a conductive tack positioned at a proximal end of the load beam.
- 17. The disc drive of claim 13, and further comprising a printed circuit card assembly connected to a proximal end of the actuator arm.
- 18. The disc drive of claim 17 wherein the second end of the ground trace is terminated at the printed circuit card assembly wherein the ground trace extends along the gimbal, the load beam and the actuator arm.
- 19. The disc drive of claim 13 wherein the slider comprises:
a slider body having a gimbal opposing face and a disc opposing face and the slider body having a forward face extending between the gimbal opposing face and the disc opposing face; a slider bond pad located on the forward face; and a slider ground pad located on the forward face and interconnected with the transducing head wherein the first end of the ground trace is interconnected with the slider ground pad of the slider body.
- 20. The disc drive of claim 19 wherein the gimbal further comprises a flex circuit material on the slider opposing face and a plurality of flex on suspension (FOS) bond pads located on the flex circuit material, and further wherein the FOS bond pads includes a ground FOS bond pad located on the flex circuit material such that the slider ground pad is aligned with the ground FOS bond pad.
- 21. The disc drive of claim 20 wherein the ground trace is connected to the ground FOS bond pad and the slider ground pad is connected to the ground FOS bond pad by a ball bond.
- 22. A disc drive comprising:
a movable actuator arm, a suspension including a load beam supported by a distal end of the actuator arm and a gimbal connected to a distal end of the load beam, the gimbal having a slider opposing face and a forward edge, a flex circuit material disposed on the actuator arm and the suspension; flex on suspension (FOS) bond pads disposed on the slider opposing face of the gimbal adjacent the forward edge of the gimbal, the FOS bond pads including a ground FOS bond pad; a conductive trace extending from each of the FOS bond pads wherein at least one of the conductive traces is a ground trace extending from the ground FOS bond pad; a slider supporting a transducing head and the slider supported by the slider opposing face of the gimbal with the flex circuit material therebetween, the slider comprising:
a slider body having a leading edge and a trailing edge and the slider body having a forward face adjacent the trailing edge; and slider bond pads located on the forward face, wherein each slider bond pad is aligned with one FOS bond pad; a slider ground pad located on the forward face wherein the slider ground pad is aligned with and connected to the ground FOS bond pad.
- 23. The disc drive of claim 22 wherein the ground trace is terminated on the gimbal with a highly conductive adhesive adjacent the forward edge of the gimbal.
- 24. The disc drive of claim 22 wherein the ground trace is terminated on the load beam with a highly conductive adhesive adjacent the actuator arm.
- 25. The disc drive of claim 22 wherein the ground trace is terminated at a printed circuit card assembly connected to the actuator arm.
CROSS-REFERENCE TO RELATED APPLICATION(S)
[0001] This application is a continuation-in-part of U.S. application Ser. No. 10/290,977, filed Nov. 8, 2002 for “Head Gimbal Assembly Plateau Gimbal Design” by Richard L. Segar, Jennifer A. Engebrit and Keefe M. Russell, which claims priority from and incorporates the entirety of provisional application No. 60/338,178 filed Nov. 9, 2001, for “HGA PLATEAU GIMBAL DESIGN” by Richard L. Segar, Jennifer A. Engebrit, and Keefe M. Russell.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60338178 |
Nov 2001 |
US |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
10290178 |
Nov 2002 |
US |
Child |
10352602 |
Jan 2003 |
US |