What is claimed is:
1. A spin-valve type thin film magnetic element comprising: a laminated comprising an antiferromagnetic layer, a pinned magnetic layer in contact with an antiferromagnetic layer in which the magnetization direction is fixed by an exchange anisotropic magnetic field with the antiferromagnetic layer, and a non-magnetic conductive layer formed between the pinned magnetic layer and a free magnetic layer; bias layers for aligning the magnetization direction of the free magnetic layer in the direction substantially perpendicular to the magnetization direction of the pinned magnetic layer; antiferromagnetic layers formed in contact with the bias layers; and conductive layers for applying a sensing current to the free magnetic layers,
wherein each of antiferromagnetic layers is divided into two sub-layers separated by a non-magnetic intermediate layer, the divided sub-layers being in a ferrimagnetic state in which one magnetization direction is by 180 degree different from the other magnetization direction.
2. A spin-valve type thin film magnetic element according to claim 1, wherein ferromagnetic layers are disposed on the free magnetic layer with a distance corresponding to a track width, the bias layers being provided on the ferromagnetic layers and the conductive layer being provided on the bias layers.
3. A spin-valve type thin film magnetic element according to claim 1, wherein the bias layers are provided at both sides in the track width direction of the laminate, the ferromagnetic layers being provided on the bias layers and the conductive layers being provided on the ferromagnetic layers.
4. A spin-valve type thin film magnetic element according to claim 1, wherein at least one of the pinned magnetic layer and free magnetic layer is divided into two sub-layers separated by the non-magnetic intermediate layer, the divided sub-layers being in a ferrimagnetic state in which one magnetization direction is by 180 degree different from the other magnetization direction.
5. A spin-valve type thin film magnetic element according to claim 1, wherein the ferromagnetic layer comprises at least one element of Ni, Fe and Co.
6. A spin-valve type thin film magnetic element according to claim 1, wherein the bias layers comprise an alloy containing at least one element of Pt, Pd, Rh, Fe, Ru, Ir, Os, Au, Ag, Cr, Ni, Ne, Ar, Xe and Kr, and Mn.
7. A spin-valve type thin film magnetic element according to claim 1, wherein the bias layers comprise at least one material selected from NiO, -Fe2O3 and CoO.
8. A spin-valve type thin film magnetic element according to claim 1, wherein the antiferromagnetic layer comprises an alloy containing at least one of Pt, Pd, Rh, Fe, Ru, Ir, Os, Au, Ag, Cr, Ni, Ne, Ar, Xe and Kr, and Mn.
9. A spin-valve type thin film magnetic element according to claim 1, wherein the bias layers comprise an antiferromagnetic material having a lower heat treatment temperature than that of the antiferromagnetic layer, or an antiferromagnetic material before the heat treatment.
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 connector, comprising:
a terminal piece;
a first conductor element, and
a second conductor element,
the terminal piece connecting at least between the first and second conductor elements,
the second conductor element being at a given separation from the first conductor element; the terminal piece being formed as substantially U-shaped piece stamped out from a conductive metal sheet and comprising:
a first leg portion with a first contact section,
a shoulder portion, and
a second leg portion with a second contact section, the first leg portion being longer than the second leg portion;
the first conductor element comprising:
a terminal path hole and a terminal-fixing hole; wherein
the first leg portion is passed through the terminal path hole, and
the first contact section is connected to the second conductor element by a first fixing device, and
the second contact section is connected to the first conductor element by a second fixing device.
2. The terminal piece according to claim 1, wherein
the first conductor element further includes a first printed circuit board comprising at least a first conductor, and
the second conductor element further includes a second printed circuit board comprising at least a second conductor.
3. The terminal piece according to claim 2, wherein the terminal path hole is provided in an area of the first printed circuit board that is not wired with the first conductor.
4. The terminal piece according to claim 1, wherein
the first conductor element further includes a printed circuit board comprising at least one conductor, and
the second conductor element is a busbar.
5. The terminal piece according to claim 1, wherein
the first conductor element is a busbar, and
the second conductor element further includes a printed circuit board comprising at least one conductor.
6. The terminal piece according to claim 1, wherein the first conductor element and the second conductor element are respective busbars.
7. The terminal piece according to claim 1, wherein
the first fixing device is a relay connector including a female relay terminal, such that the first contact section is connected to the second conductor element by fitting into the female relay terminal, and
the second fixing device is a soldered joint.
8. The terminal piece according to claim 1, wherein the first and second fixing device are respective soldered joints.
9. The terminal piece according to claim 7, wherein
the first conductor element comprises a second terminal-fixing hole through which a second terminal piece is inserted, such that the second terminal piece, and
the second contact section can be soldered from a same side.
10. The terminal piece according to claim 8, wherein
the first conductor element comprises a second terminal-fixing hole through which a second terminal piece is inserted, such that the second terminal piece, and
the first and second contact sections can be soldered from a same side.
11. A circuit-connecting structure comprising:
a terminal piece for making connections at least between a first conductor element, and
a second conductor element at a given separation from the first conductor element;
the terminal piece being formed by a substantially U-shaped piece stamped out from a conductive metal sheet and comprising:
a first leg portion with a first contact section,
a shoulder portion, and
a second leg portion with a second contact section, the first leg portion being longer than the second leg portion;
the first conductor element comprising:
a terminal path hole, and
a terminal-fixing hole; wherein
the first leg portion is passed through the terminal path hole, and
the first contact section is connected to the second conductor element by a first fixing device, and
the second contact section is connected to the first conductor element by a second fixing device.
12. A circuit-connecting structure according to claim 11, wherein the first and second conductor elements respectively form part of a first printed circuit board and a second printed circuit board.
13. An electrical connector housing containing a circuit-connecting structure comprising:
a terminal piece for connecting at least between a first conductor element and a second conductor element at a given separation from the first conductor element;
the terminal piece being formed by a substantially U-shaped piece stamped out from a conductive metal sheet and comprising:
a first leg portion with a first contact section,
a shoulder portion, and
a second leg portion with a second contact section, the first leg portion being longer than the second leg portion;
the first conductor element comprising:
a terminal path hole, and
a terminal-fixing hole; wherein
the first leg portion is passed through the terminal path hole,
the first contact section is connected to the second conductor element by a first fixing device, and
the second contact section is connected to the first conductor element by a second fixing device.
14. The electrical connector housing according to claim 13, wherein the first and second conductor elements respectively form part of a first printed circuit board and a second printed circuit board.
15. A method for connecting a first conductor element to a second conductor element using a terminal piece which comprises a first leg portion with a first contact section, a shoulder portion and a second leg portion with a second contact section, the method comprising:
providing a terminal path hole and a terminal-fixing hole in the first conductor element;
installing the terminal piece, wherein the first leg portion passes through the terminal path hole of the first conductor element and reaches the second conductor element, and the second leg portion is inserted into the terminal-fixing hole in the first conductor element;
whereby the second contact section is fixed to the first conductor element by soldering, while the first contact section is fixed to the second conductor element by press-fitting.
16. The method according to claim 15, wherein the first and second conductor elements respectively form part of a first printed circuit board and a second printed circuit board.