1. A method for fabricating a magnetic head, comprising the steps of:
fabricating a read head upon a substrate surface, said read head including a first magnetic shield and a sensor element; and
fabricating a second magnetic shield above said sensor element, including the steps of:
depositing a first laminated structure including a plurality of layers, wherein each said layer includes a sublayer having a thickness of a low magnetostrictive material and a sublayer having a thickness of a high magnetostrictive material, and wherein said low magnetostriction material sublayer is thicker than said high magnetostriction material sublayer; and
depositing a further laminated structure including a plurality of layers, wherein each said layer includes a sublayer having a thickness of a low magnetostrictive material and a sublayer having a thickness of a high magnetostrictive material, and wherein said low magnetostrictive material sublayer is thinner than said high magnetostrictive material sublayer.
2. The method for fabricating a magnetic head as described in claim 1 including the further steps of fabricating a middle laminated structure between said first laminated structure and said further laminated structure; said middle laminated structure including a plurality of layers wherein each said layer includes a sublayer of low magnetostrictive material and a sublayer of high magnetostrictive material, and wherein the thickness of each said sublayer is approximately equal.
3. The method for fabricating a magnetic head as described in claim 1 wherein each said layer is comprised of a NiFe(N) sublayer and a Fe(N) sublayer.
4. The method for fabricating a magnetic head as described in claim 1 wherein said low magnetostriction material is NiFe(N).
5. The method for fabricating a magnetic head as described in claim 1 wherein said high magnetostriction material is Fe(N).
6. The method for fabricating a magnetic head as described in claim 2 wherein each said layer is comprised of a NiFe(N) sublayer and a Fe(N) sublayer.
7. The method for fabricating a magnetic head as described in claim 2 wherein said low magnetostriction material is NiFe(N).
8. The method for fabricating a magnetic head as described in claim 2 wherein said high magnetostriction material is Fe(N).
9. A method for fabricating a magnetic head, comprising the steps of:
fabricating a read head upon a substrate surface, said read head including a first magnetic shield and a sensor element; and
fabricating a second magnetic shield above said sensor element, including a step of:
depositing a laminated structure including a plurality of layers, wherein each said layer is comprised of a NiFe(N) sublayer and a Fe(N) sublayer, and wherein said layers that are disposed closest to said sensor element include a thicker sublayer of NiFe(N) and a thinner sublayer of Fe(N), and said layers that are disposed farthest from said sensor element include a thinner sublayer of NiFe(N) and a thicker sublayer of Fe(N).
10. A method for fabricating a magnetic head as described in claim 9 wherein said laminated structure includes middle layers wherein a NiFe(N) sublayer of the middle layers has a thickness that is approximately equal to a thickness of a Fe(N) sublayer of the middle layers.
11. A method for fabricating a magnetic head as described in claim 9 wherein said plurality of layers includes several layers wherein a thickness of said NiFe(N) sublayers is greater than a thickness of said Fe(N) sublayers, and several layers wherein a thickness of said NiFe(N) sublayers is approximately equal to a thickness of said Fe(N) sublayers, and several layers wherein a thickness of said NiFe(N) sublayers is less than a thickness of said Fe(N) sublayers.
12. A method for fabricating a magnetic head, comprising the steps of:
fabricating a read head upon a substrate surface, said read head including a first magnetic shield and a sensor element; and
fabricating a second magnetic shield above said sensor element, including a step of:
depositing a laminated structure including a plurality of layers, wherein said laminated structure includes:
a first laminated substructure being comprised of a plurality of layers wherein each layer includes a sublayer of NiFe(N) having a thickness of approximately 600 \u212b and a sublayer of Fe(N) having a thickness of approximately 200 \u212b;
a second laminated substructure being comprised of a plurality of layers wherein each said layer includes a NiFe(N) sublayer having a thickness of approximately 500 \u212b and a Fe(N) sublayer having a thickness of approximately 300 \u212b;
a third laminated substructure being comprised of a plurality of layers, wherein each said layer includes a NiFe(N) sublayer having a thickness of approximately 400 \u212b and a Fe(N) sublayer having a thickness of approximately 400 \u212b;
a fourth laminated substructure being comprised of a plurality of layers, wherein each said layer includes a NiFe(N) sublayer having a thickness of approximately 300 \u212b and a Fe(N) sublayer having a thickness of approximately 500 \u212b; and
a fifth laminated substructure being comprised of a plurality of layers, wherein each said layer includes a NiFe(N) sublayer having a thickness of approximately 200 \u212b and a Fe(N) sublayer having a thickness of approximately 600 \u212b.
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. A battery pack comprising:
a battery cell comprising at least one unit cell;
a first connector which is electrically connected to the battery cell; and
a second connector which is electrically connected to the battery cell and the first connector, the second connector having a corresponding shape to the first connector to be coupled with the first connector.
2. The battery pack according to claim 1, wherein the battery pack comprises a controller to selectively block an electrical connection of the first connector and the second connector or an electrical connection of the first connector and the battery cell based on a charge status of the battery cell.
3. The battery pack according to claim 1, wherein the controller blocks an electrical connection of the first connector and the battery cell when a state of charge (SOC) or a voltage value of the battery cell is higher than or equal to a predetermined reference value, and blocks an electrical connection of the first connector and the second connector when the SOC or voltage value of the battery cell is less than the predetermined reference value.
4. The battery pack according to claim 1, further comprising:
a first switch connected between the first connector and the second connector to allow or block an electrical connection of the first connector and the second connector in response to the control signal outputted from the controller; and
a second switch connected between the first connector and the battery cell to allow or block an electrical connection of the first connector and the battery cell in response to the control signal.
5. The battery pack according to claim 4, further comprising:
a power line to electrically connect the first connector, the second connector, and the battery cell.
6. The battery pack according to claim 5, wherein the power line comprises:
a first power line to connect the first connector with the second connector; and
a second power line to connect the first power line with the battery cell.
7. The battery pack according to claim 6, wherein the first switch is installed on the first power line, and the second switch is installed on the second power line.
8. The battery pack according to claim 1, further comprising:
a pack case to receive the battery cell.
9. The battery pack according to claim 8, wherein the first connector is exposed outside through a first surface of the pack case, and the second connector is exposed outside through a second surface of the pack case.
10. The battery pack according to claim 1, wherein the controller outputs a charging completion signal when a SOC or a voltage value of the battery cell is higher than or equal to a reference value.
11. The battery pack according to claim 10, wherein the battery pack further comprises an indicator which is lighted on in response to the charging completion signal outputted from the controller.
12. A battery pack assembly implemented by connecting a plurality of battery packs defined in claim 1.
13. The battery pack assembly according to claim 12, wherein adjacent battery packs are interconnected by coupling of the first connector and the second connector.
14. A method for controlling charge of a battery pack defined in claim 1, the method comprising:
(a) determining whether a charging current is flowing in through the first connector;
(b) comparing a state of charge (SOC) of the battery cell to a reference SOC when the charging current is flowing in through the first connector; and
(c) outputting a control signal to cause any one of an electrical connection of the first connector and the battery cell and an electrical connection of the first connector and the second connector to be selected based on a result of the comparison.
15. The method for controlling charge of the battery pack according to claim 14, wherein the step (c) comprises outputting a control signal to cause the first connector and the battery cell to be electrically connected when the SOC of the battery cell is less than the reference SOC, and outputting a control signal to cause the first connector and the second connector to be electrically connected when the SOC of the battery cell is higher than or equal to the reference SOC.