1. A magnetic detecting element comprising:
a multilayer film that has a fixed magnetic layer, a magnetization direction of which is fixed in one direction, and a free magnetic layer formed on the fixed magnetic layer with a nonmagnetic material layer therebetween, a current flowing in a direction perpendicular to a film surface of each layer of the multilayer film,
wherein the free magnetic layer has a laminated body of a Co2MnZ alloy layer (Z is one or more elements selected from a group consisting of Al, Sn, In, Sb, Ga, Si, Ge, Pb, and Zn) and a CoaFe100-a alloy layer (\u2018a\u2019 indicates composition ratio, 76\u2266a\u2266100), and the CoaFe100-a alloy layer is in contact with the nonmagnetic material layer.
2. The magnetic detecting element according to claim 1,
wherein a film thickness of the CoaFe100-a alloy layer is in a range of 10 to 30 \u212b.
3. The magnetic detecting element according to claim 1,
wherein the magnetostriction constant \u03bbs of the free magnetic layer is in a range of 0 to 15 ppm.
4. The magnetic detecting element according to claim 1,
wherein the fixed magnetic layer has a Co2YZ alloy layer (Y is one or more elements selected from a group consisting of Mn, Fe, and Cr, and Z is one or more elements selected from a group consisting of Al, Ga, Si, Ge, Sn, In, Sb, Pb, and Zn).
5. The magnetic detecting element according to claim 1,
wherein the fixed magnetic layer is provided on the free magnetic layer.
6. The magnetic detecting element according to claim 1,
wherein the fixed magnetic layer is provided below the free magnetic layer.
7. The magnetic detecting element according to claim 1,
wherein the nonmagnetic material layer and the fixed magnetic layer are provided below the free magnetic layer, and another nonmagnetic material layer and fixed magnetic layer are provided on the free magnetic layer.
8. A magnetic detecting element comprising:
a multilayer film that has a fixed magnetic layer, a magnetization direction of which is fixed in one direction, and a free magnetic layer formed on the fixed magnetic layer with a nonmagnetic material layer therebetween, a current flowing in a direction perpendicular to a film surface of each layer of the multilayer film,
wherein the free magnetic layer has a laminated body of a Co2MnZ alloy layer (Z is one or more elements selected from a group consisting of Al, Sn, In, Sb, Ga, Si, Ge, Pb, and Zn) and a CoaFe100-a alloy layer, and
the CoaFe100-a alloy layer has a face-centered cubic (fcc) structure, in which an equivalent crystal face expressed as a {111} plane is oriented in a direction parallel to a film surface, and the CoaFe100-a alloy layer is in contact with the nonmagnetic material layer.
9. The magnetic detecting element according to claim 8,
wherein the free magnetic layer is formed by laminating upper and lower free magnetic layers directly or with the other magnetic or other nonmagnetic material layer therebetween, and, when, of a multilayer film lower part composed of the lower free magnetic layer, the nonmagnetic material layer and the fixed magnetic layer, which are located beneath the lower free magnetic layer, and a multilayer film upper part composed of the upper free magnetic layer, the other nonmagnetic material layer and the other fixed magnetic layer, which are located on the upper free magnetic layer, one located upstream of conduction electron flow is defined as a multilayer film upstream part, and the other located downstream of the conduction electron flow is defined as a multilayer film downstream part, a product \u0394RA of the magnetic resistance variation and element area of the multilayer film upstream part is smaller than a product \u0394RA of the multilayer film downstream part.
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 top plate release mechanism, comprising:
a. top plate assembly, said top plate assembly having a top plate, a left latch assembly, and a right latch assembly, said top plate assembly having a left side, a right side, a front a rear, a top and a bottom, a left latch assembly being fixedly connected to said left side of said top plate assembly, a right latch assembly, said right latch assembly being fixedly connected to said right side of said top plate assembly;
b. said top plate assembly having a plurality guide pins, said plurality of guide pins being located on said bottom of said top plate assembly, said plurality of guide pins positionally and slideably locating said top plate assembly into an enclosure assembly;
c. said left latch assembly has a latch slide assembly, said latch slide assembly being slideably attached to a mounting bracket, said latch slide assembly being biased to a locking position by a biasing means, said left latch assembly having a plurality of locking tabs, each of said plurality of locking tabs having a mechanical attach means to said latch slide assembly, said mounting bracket further having a plurality of locking tab guide slots, each of said plurality of locking tabs being located in said plurality of locking tab guide slots respectfully, said plurality of locking tabs protrude from said mounting bracket and slideably lock into a probe plate assembly, said probe plate assembly being hingeably attached to said enclosure assembly;
d. a plurality of biasing means are compressibly located in said probe plate assembly bearing against said bottom of said top plate assembly;
e. forward sliding action of the latch slide assembly retracts said plurality of locking tabs located in said top plate assembly, said top plate assembly being a component of said probe plate assembly, which slideably lock into said enclosure assembly, said plurality of biasing means forcing said top plate assembly away from said probe plate assembly, allowing removal of said top plate assembly; and
f. said right latch assembly being an opposite to said left latch assembly and operating in the same manner to said left latch assembly, said right latch assembly being opposite handedly attached to said right side of said top plate.
2. The top plate release mechanism of claim 1 wherein said plurality of guide pins comprises a number of at least 3.
3. The top plate release mechanism of claim 1 wherein;
a. said left latch slide assembly having a bottom and a top, said bottom of said left latch slide assembly having a plurality of angled locking tab guide slot, said plurality of angled locking tab guide slots, being angled away from a longitudinal axis of sliding motion of said left latch slide assembly;
b. said bottom of said left latch slide assembly further having a plurality of latch slide return pins, said mounting bracket having a plurality of slide guides defined therein, said plurality of slide guides being equal in number to said plurality of slide return pins, said plurality of slide return pins being inserted into said plurality of said slide guides, a plurality of slide return springs bearing against said plurality of slide return pins, maintaining said left latch slide assembly in a locked position;
c. said plurality of locking tabs each having a boss defined thereon, each of said bosses located on each of said locking tabs are each slideably inserted into said plurality of angled guide slots respectfully whereby forward motion of said left latch slide assembly retracts said plurality of locking tabs;
d. said left latch slide assembly is attached to said mounting bracket with an attaching means, said mounting bracket having a plurality of latch guide slots defined therein, said attaching means being positioned within said plurality of latch guide slots, allowing free forward lateral motion;
e. said mounting bracket having a machined step defined therein, said machined step allowing for a flush type of installation of said latch assembly onto said top plate; and
f. said right latch assembly being attached to said top plate in a like manner.
4. The top plate release mechanism of claim 1 wherein;
a. said plurality of locking tabs comprises a number of at least 3;
b. said plurality of locking tab guide slots comprises a number of at least 3;
c. said plurality of bosses located on said plurality of locking tab guide slots comprises a number of at least; and
d. said plurality of angled locking tab guide slots comprises a number of at least 3.
5. The top plate release mechanism of claim 3, wherein;
a. said mounting bracket has a slide lock groove defined therein, said mounting bracket additionally has a first pivot hole defined therein, said first pivot hole being located within said slide lock groove;
b. a slide lock, said slide lock having a hole defined therein, a slide lock hinge pin, said slide lock hinge pin being pivotably inserted through said hole positioned in said slide lock, and being allowed to seat in said first pivot hole located in said slide lock groove;
c. said slide lock further has a biasing notch defined therein, a biasing means forces said slide lock into a locked position, said slide lock has a chamfer defined therein, said chamfer being located on an end opposing said biasing notch;
d. said mounting bracket additionally having a lock activation hole defined therein, said lock activation hole being positionally located below said chamfer on said slide lock,
e. said latch slide assembly having a latch slide lock pin, said latch slide lock pin being located on said bottom of said latch slide assembly, said latch slide lock pin being slideably positioned between said slide lock and said slide lock groove, said biasing action of said biasing means forces said slide lock to a position that prevents said slide latch assembly from returning to said locking position; and
f. said probe plate assembly has an actuating pin positioned thereon, said actuating pin being oriented with said slide lock activation hole located in said mounting bracket, said actuating pin being inserted through said activation hole and bearing against said chamfer on said slide lock, pivotably dislocating said slide lock from a rest position, allowing said latch slide lock pin to slideably dislocate to its rearmost position, forcing said plurality of locking tabs to be inserted into their respective locking tab guide slots located on said probe plate assembly.