1. A power tool comprising:
a motor assembly including a motor and a first shaft, wherein the motor is configured to rotate the first shaft about a first axis;
a second shaft substantially perpendicular to and rotationally connected to the first shaft such that a rotation of the first shaft causes a rotation of the second shaft about a second axis;
an eccentric mass coupled to the second shaft such that the rotation of the second shaft causes a rotation of the eccentric mass;
a base element in communication with the eccentric mass such that the rotation of the eccentric mass creates a movement of the base element; and
a fan rotationally connected to the first shaft such that the rotation of the first shaft causes a rotation of the fan about a third axis substantially perpendicular to the second shaft, wherein the rotation of the fan creates a suction force in the proximity of the base element.
2. The power tool of claim 1 further comprising a pinion gear and a bevel gear for rotationally connecting the first and second shafts.
3. The power tool of claim 1, wherein the base element includes a sanding surface and the rotation of the eccentric mass creates a vibratory movement of the sanding surface for sanding a work surface.
4. The power tool of claim 3, wherein the rotation of the second shaft additionally creates a rotational movement of the base element for further sanding the work surface.
5. The power tool of claim 3 further comprising one or more dust channels extending from the sanding surface at least partially through the base element toward the fan for at least partially guiding the suction force created by the rotation of the fan.
6. The power tool of claim 5 further comprising a filter element positioned between the fan and the one or more dust channels such that the suction force of the fan draws at least a portion of one or more particulates created during the sanding of the work surface toward the filter element.
7. The power tool of claim 6, wherein the motor, the first shaft, the second shaft, the eccentric mass, the filter element, the fan, and the dust channels do not extend beyond an area defined by the sanding surface.
8. The power tool of claim 1 further comprising a third shaft substantially parallel to and rotationally connected to the first shaft such that a rotation of the first shaft causes the third shaft to rotate about a third axis, wherein the fan is coupled to the third shaft.
9. The power tool of claim 8, wherein both the second shaft and the third shaft are configured to have an operating rotational speed, and wherein the operating rotational speed of the third shaft is higher than the operating rotational speed of the second shaft.
10. The power tool of claim 9, wherein the operating rotational speed of the second shaft is between approximately 6,000 rpm and approximately 12,000 rpm and the operating rotational speed of the third shaft is approximately 20,000 rpm or greater.
11. The power tool of claim 9, wherein the operating rotational speed of the second shaft is between approximately 6,000 rpm and 12,000 rpm and the operating rotational speed of the third shaft is approximately 30,000 rpm or greater.
12. The power tool of claim 8, wherein the third axis is the same as the first axis.
13. A power tool, which removes matter from a work surface in the form of particulates, comprising:
a motor assembly including a motor and a first shaft, wherein the motor is configured to rotate the first shaft about a first axis;
an eccentric mass rotationally connected to the first shaft such that a rotation of the first shaft causes the eccentric mass to rotate;
a base element in communication with the eccentric mass such that the rotation of the eccentric mass creates a movement of the base element;
a second shaft rotationally connected to the first shaft;
a fan coupled to the second shaft, wherein the rotation of the fan creates a suction force; and
one or more dust channels extending from the base element toward the fan for at least partially guiding the suction force away from the base element and toward the fan.
14. The power tool of claim 10, wherein the base element includes a sanding surface and the rotation of the eccentric mass creates a vibratory movement of the sanding surface for sanding the work surface.
15. The power tool of claim 11, wherein the rotation of the first shaft additionally creates a rotational movement of the base element for further sanding the work surface.
16. The power tool of claim 10 further comprising a filter element positioned between the fan and the one or more dust channels for collecting at least a portion of the particulates created during sanding of the work surface.
17. The power tool of claim 13, wherein the second shaft extends through the filter element.
18. The power tool of claim 13, wherein the motor, the first shaft, the second shaft, the eccentric mass, the filter element, the fan, and the dust channels do not extend beyond an area defined by the sanding surface.
19. The power tool of claim 10 further comprising a third shaft substantially perpendicular to and rotationally connected to the first shaft such that a rotation of the first shaft causes the third shaft to rotate about a third axis, and wherein the eccentric mass is coupled to the third shaft.
20. A sander which removes matter from a work surface in the form of one or more particulates comprising:
a motor assembly including a motor and a first shaft, wherein the motor is configured to rotate the first shaft about a first axis;
a second shaft substantially perpendicular to and rotationally connected to the first shaft such that a rotation of the first shaft causes the second shaft to rotate about a second axis;
an eccentric mass coupled to the second shaft such that a rotation of the second shaft causes a rotation of the eccentric mass;
a base element in communication with the eccentric mass such that the rotation of the eccentric mass creates a movement of the base element, wherein the base element includes a sanding surface and the rotation of the eccentric mass creates a vibratory movement of the sanding surface for sanding the work surface;
a third shaft substantially parallel to and rotationally connected to the first shaft such that a rotation of the first shaft causes the third shaft to rotate about a third axis;
a fan coupled to the third shaft such that a rotation of the third shaft rotates the fan about the third axis and creates a suction force in the proximity of the base element;
one or more dust channels extending from the sanding surface and at least partially through the base element toward the fan for at least partially guiding the suction force from the sanding surface toward the fan; and
a filter element positioned between the fan and the one or more dust channels such that suction force of the fan draws at least a portion of the one more particulates during the sanding of the work surface toward the filter element.
21. The sander of claim 17 further comprising a first pinion gear, a bevel gear, and a second pinion gear for rotationally connecting the first, second, and third shafts.
22. The sander of claim 17 wherein the motor, the first shaft, the second shaft, the third shaft, the eccentric mass, the filter element, the fan, and the one or more dust channels do not extend beyond an area defined by the sanding surface.
23. The sander of claim 17, wherein the rotation of the second shaft additionally creates a rotational movement of the base element for further sanding the work surface.
24. The sander of claim 17, wherein both the second shaft and the third shaft are configured to have an operating rotational speed, and wherein the operating rotational speed of the third shaft is higher than the operating rotational speed of the second shaft.
25. The sander of claim 24, wherein the operating rotational speed of the second shaft is between approximately 6,000 rpm and 12,000 rpm and the operating rotational speed of the third shaft is approximately 20,000 rpm or greater.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An inductor device, comprising:
a post passivation interconnect (PPI) layer disposed over a substrate, the PPI layer forming a coil and dummy pads, the dummy pads disposed around a substantial portion of the coil to shield the coil from electromagnetic interference; and
an under bump metallization (UBM) layer disposed over the substrate, a first portion of the UBM layer electrically coupled to the coil and configured to interface with an electrical coupling member.
2. The inductor device of claim 1, wherein a second portion of the UBM layer is formed over the dummy pads to further shield the coil from electromagnetic interference.
3. The inductor device of claim 2, wherein the second portion of the UBM layer overlaps the dummy pads.
4. The inductor device of claim 2, wherein the second portion of the UBM layer does not overlap the dummy pads.
5. The inductor device of claim 2, wherein the second portion of the UBM layer is formed directly upon the dummy pads.
6. The inductor device of claim 1, wherein the coil includes a coil contact pad, the coil contact pad aligned with a pattern of the dummy pads.
7. The inductor device of claim 2, wherein the inductor device further include a top metal layer supported by the substrate, the top metal layer electrically coupled to a high voltage and at least one of the second portion of the UBM layer and the dummy pads electrically coupled to a low voltage.
8. The inductor device of claim 1, wherein the coil and a pattern formed by the dummy pads are generally concentric with each other when viewed from above.
9. The inductor device of claim 1, wherein the dummy pads are in at least one of a square, hexagonal, and circular pattern when viewed from above.
10. The inductor device of claim 2, wherein the first portion of the UBM layer includes a mount structure configured to support a conductive metal.
11. An inductor device, comprising:
a post passivation interconnect (PPI) layer disposed over a substrate, the PPI layer forming a coil contact pad and dummy pads to shield a coil from electromagnetic interference; and
an under bump metallization (UBM) layer disposed over the substrate, a first portion of the UBM layer forming the coil, the coil substantially disposed within the dummy pads, electrically coupled to the coil contact pad, and configured to interface with an electrical coupling member.
12. The inductor device of claim 11, wherein a second portion of the UBM layer is formed over the dummy pads to further shield the coil from electromagnetic interference.
13. The inductor device of claim 12, wherein the second portion of the UBM layer overlaps the dummy pads.
14. The inductor device of claim 12, wherein the second portion of the UBM layer does not overlap the dummy pads.
15. The inductor device of claim 12, wherein a surface finish is formed directly upon at least one of the first portion of the UBM layer and the second portion of the UBM layer.
16. The inductor device of claim 12, wherein the coil includes a coil contact pad and the first portion of the UBM layer includes an under bump mount, the coil contact pad and the under bump mount aligned with a pattern of the dummy pads, and wherein the inductor device further include a top metal layer supported by the substrate, the top metal layer electrically coupled to a high voltage and at least one of the second portion of the UBM layer and the dummy pads electrically coupled to a low voltage.