32 results about "Spin moment" patented technology

It is possible to obtain excellent heat stability even though the element is miniaturized and keep stable magnetic domains even though switching is repeated any number of times. A magneto-resistive effect element includes: a magnetization-pinned layer including a magnetic film having a spin moment oriented in a direction perpendicular to a film surface thereof and pinned in the direction; a magnetic recording layer having a spin moment oriented in a direction perpendicular to a film surface thereof; a nonmagnetic layer formed between the magnetization-pinned layer and the magnetic recording layer; and an anti-ferromagnetic film formed on at least side surfaces of the magnetization-pinned layer.

This invention describes a circuit and method to limit the stress caused by gate voltages required to write a one or zero in magnetic memory elements using the Giant magneto-resistive effect, such as Phase Change RAM and Spin Moment Transfer MRAM, sometimes referred to as Spin Torque Transfer MRAM, which require high programming currents. The circuit and method selects one cell at a time for writing a one or a zero, different voltages to write a one or a zero, and a precharge circuit to limit the stress on non selected cells.

The present invention relates to a magnetic random access memory written by spin torque transfer and a method of manufacturing the same. The nanomagnetic element includes a first hard magnet with a first magnetization direction and a central axis. The element also includes a second hard magnet separated from the first hard magnet by a dielectric liner. The second hard magnet has a second magnetization direction opposite to the first magnetization direction of the first hard magnet and a central axis such that when the first and second hard magnets are aligned, a seal is formed through the first and second hard magnets. Magnetic flux loop. The element additionally includes a ferromagnetic free layer having a central axis. The spin torque transfer current is transmitted along the central axes of the first and second hard magnets and the ferromagnetic free layer, and affects the magnetization direction of the ferromagnetic free layer.

An axial positioning device for rotating cleaning elements in a heat transfer tube. The deflectors and wall-attached cylinders arranged on the bearing seat and the wall of the heat transfer tube form a spiral flow channel. When the heat transfer fluid entering the tube passes through the spiral flow channel, it forms a The fast swirling flow with a large radius directly pushes the rotary cleaning element to generate a large dynamic moment, which is superimposed on the same direction as the original rotation moment of the cleaning element, which can increase the working torque by more than twice as much as the original, so that the driven The flow rate in the tube required for the rotation of the cleaning element is reduced by more than 60%, so that the self-rotation cleaning and anti-scaling technology can be widely applied to various shell and tube heat transfer equipment with low flow rate. This nozzle fixing device is also equipped with an adjusting plate, which can be used to improve the uniformity of the amount of liquid entering each heat transfer tube, improve the heat transfer efficiency, and the resistance is not large, so the application range is quite wide.

Magnetic memory elements such as Phase Change RAM and Spin Moment Transfer MRAM require high programming currents. These high programming currents require high gate to source / drain voltages for the cell transistors controlling these programming currents, which can degrade the reliability of these cell transistors. This invention describes a circuit and method to write information into individual memory cells while minimizing the gate voltage stress in the cell transistors of the memory cells in which no information is being written. The circuit of this invention has a separately controllable word line voltage supply for each row of the memory array and a separately controllable voltage supply for each bit line of the memory array. During the write operation the voltage is raised for the word line of only one row of the array. The bit line voltages are then adjusted so that a 1 is written into the desired cells in that row and a 0 is written into the desired cells in that row.

The invention discloses a cylinder type self-balancing eccentric shaft. A center line of a connecting guard in the eccentric shaft is originally arranged together with a center line of eccentric bearing guards in the same direction (or coincides with a rotary center line) but is currently arranged in the opposite directions, and self-balancing of the eccentric inertia spin moment of the eccentric shaft is achieved by utilizing the opposite eccentric inertia moment balance principle. The eccentric inertia spin moment of the eccentric shaft in the prior art is self-balanced by the interior of the eccentric shaft instead of original external flywheels, thus eccentric balance weights on the external flywheels can be omitted. The cylinder type self-balancing eccentric shaft has high balance precision and a simplified structure, is easy to detect and control, reduces the manufacturing cost of equipment and saves the operating cost.

A continuously variable transmission includes: first and second rotating elements that has a common first rotation axis; a planetary ball that is rotatably supported by a support shaft having a second rotation axis separate from the first rotation axis, and is sandwiched between the first rotation member and the second rotating member such that torque transmission is possible between them; grooves, etc., that permit change in a rotation ratio between the first and second rotating members by tilting and rolling the planetary ball; an inclined surface that pushes the support shaft in a direction opposite to the direction of tilt of the support shaft in accordance with spin moment occurring at the planetary ball when moving in an axial direction; and a thrust force transmitting section, such as a movable shaft, etc., by which radial thrust force applied from the planetary ball is transmitted to the inclined surface based on spin moment occurring at the planetary ball.

The invention discloses a plane type self-balancing eccentric shaft. An arc circle is cut and a cutting plane is reserved on the same eccentric side of a connecting guard and eccentric bearing guards in an eccentric shaft in the prior art so that the center of mass of the connecting guard shifts toward the opposite side, relative to a rotary center line, of the eccentric bearing guards and the eccentric inertia moment generated by the connecting guard is equal to the eccentric inertia moments generated by the eccentric bearing guards but the directions are opposite, thus achieving self-balancing of the eccentric inertia spin moment of the eccentric shaft. The eccentric inertia spin moment of the eccentric shaft in the prior art is self-balanced by the interior of the eccentric shaft instead of original external flywheels, thus eccentric balance weights on the external flywheels can be omitted. The plane type self-balancing eccentric shaft has high balance precision and a simplified structure, is easy to detect and control, reduces the manufacturing cost of equipment and saves the operating cost.

A less-pole-difference magnetic field induction type magnet transmission eccentric gear pair of a radial magnetic field can be widely used for industrial transmission fields such as wind power generation, electric automobiles and vessel driving. The less-pole-difference magnetic field induction type magnet transmission eccentric gear pair is characterized in that 2p1 stators of a stator permanent magnet 1 are distributed in an inner hole of a casing 6, Z2 planet rotors of a mouse cage winding conductor 2 are distributed in an uniform distribution groove of an outer periphery of a planet rotor core 5 to form a pair of magnet transmission gear pairs of the radial magnetic field, the difference between the 2p1 and the Z2 is small, two less-pole-difference magnet gear pairs are connected into an exocentric structure through an eccentric input shaft 3 with a second bearing 12 and a third bearing 13, the eccentric input shaft 3 drives the planet rotor to rotate around an axis at the rotating speed of n1, the Z2 mouse cage winding conductor 2 and an air gap permanent magnetic field have relative movement, current i2 is induced in the conductor, spin moment is produced under effects of the air gap magnetic field, the planet rotor is driven to reversely rotate around the self axis at the rotating speed of n2, and rotation is output through a hole-pin type output structure.

The invention discloses a groove type self-balancing eccentric shaft. Part of the mass of the same eccentric side of a connecting guard and eccentric bearing guards in an eccentric shaft in the prior art is deducted, namely that the volume of a groove is milled so that the center of mass of the connecting guard shifts toward the opposite side, relative to a rotary center line, of the eccentric bearing guards and the eccentric inertia moment generated by the connecting guard is equal to the eccentric inertia moments generated by the eccentric bearing guards but the directions are opposite, thus achieving self-balancing of the eccentric inertia spin moment of the eccentric shaft. The eccentric inertia spin moment of the eccentric shaft in the prior art is self-balanced by the interior of the eccentric shaft instead of original external flywheels, thus eccentric balance weights on the external flywheels can be omitted. The groove type self-balancing eccentric shaft has high balance precision and a simplified structure, is easy to detect and control, reduces the manufacturing cost of equipment and saves the operating cost.