Abstract: Perpendicular magnetic anisotropy (PMA) type magnetic random access memory cells are constructed with a composite PMA layer to provide a magnetic tunnel junction (MTJ) with an acceptable thermal barrier. A PMA coupling layer is deposited between a first PMA layer and a second PMA layer to form the composite PMA layer. The composite PMA layer may be incorporated in PMA type MRAM cells or in-plane type MRAM cells.

Abstract: A system and method of reducing spin pumping induced damping of a free layer of a memory device is disclosed. The memory device includes an anti-ferromagnetic material (AFM) pinning layer in contact with a bit line access electrode. The memory device also includes a pinned layer in contact with the AFM pinning layer, a tunnel barrier layer in contact with the pinned layer, and a free layer in contact with the tunnel barrier layer. The memory device includes a spin torque enhancing layer in contact with the free layer and in contact with an access transistor electrode. The spin torque enhancing layer is configured to substantially reduce spin pumping induced damping of the free layer.

Abstract: The present disclosure relates to an E-liquid separation mechanism and electronic cigarettes having the E-liquid separation mechanism. The E-liquid separation mechanism includes an E-liquid storage tank assembly, and a vaporizer assembly. The E-liquid storage tank assembly and the vaporizer assembly are slidedly and rotatably connected through an E-liquid storage tank connector and a silicone gel sealing cover. When a user uses the electronic cigarette, the user pushes the E-liquid storage tank assembly down from an up position, and rotates the vaporizer assembly using an E-liquid separation control handler from a first position to a second position to allow E-liquid in the E-liquid storage tank to flow into a cylindrical E-liquid storage medium to be vaporized by one or more heating elements formed between a first E-liquid storage tank base opening and a first vaporizer E-liquid opening, and a second E-liquid storage tank base opening and a second vaporizer E-liquid opening.

Abstract: The present disclosure relates to a replaceable vaporizer assembly and an electronic cigarette having the replaceable vaporizer assembly. In certain embodiments, the electronic cigarette may include an electronic cigarette body, and a replaceable vaporizer assembly. The electronic cigarette body may include a mouthpiece installed in a mouthpiece base, a connector base, a mounting base, an E-liquid storage tank, and a connector. The mounting base and the connector base are threadedly connected through a first internal thread of the mounting base and an external thread of the connector base to form an air chamber inside of the mounting base and the connector base. When in operation, outside air enters the air chamber through the multiple air intake openings and is vaporized by the replaceable vaporizer assembly, goes up through multiple air gaps between the mounting base and the connector base, and exits the electronic cigarette body through the mouthpiece.

Abstract: Present disclosure relates to a heating tube, a replaceable vaporizer assembly and an electronic cigarette having the replaceable vaporizer assembly. In certain embodiments, the electronic cigarette may include an electronic cigarette body, and a replaceable vaporizer assembly. The electronic cigarette body may include a mouthpiece installed in a mouthpiece base, a connector base, a mounting base defining multiple air intake openings, an E-liquid storage tank, and a connector. The mounting base and the connector base are threadedly connected through an internal thread of mounting base and an external thread of connector base to form an air chamber inside the mounting base and connector base. When in operation, outside air enters the air chamber through the multiple air intake openings and is vaporized by the replaceable vaporizer assembly, goes up through multiple air gaps between the mounting base and the connector base, and exits the electronic cigarette body through the mouthpiece.

Abstract: Certain aspects of present invention relate to a top refillable e-cigarette, having movable cylindrical e-cigarette assembly, stationary top connecting assembly, and air adjustment assembly. Stationary top connecting assembly is positioned on top of air adjustment assembly. Movable cylindrical e-cigarette assembly may be slid upwards to open an e-liquid refill port against stationary top connecting assembly so e-liquid is refilled at top. Movable cylindrical electronic cigarette assembly has an e-liquid storage tank inside, and a vaporizer body support threadedly connect to a mouthpiece assembly and a sliding base. Stationary top connecting assembly defining a vapor passage in the center of the stationary top connecting assembly configured to allow vaporized e-liquid from the vaporizer to pass through to the mouthpiece assembly. A vaporizer is positioned inside the stationary top connecting assembly.

Abstract: Present disclosure relates to an E-liquid supply mechanism and an electronic cigarette having the same. The E-liquid supply mechanism includes a stationary portion, a movable portion, and an E-liquid bottle. Stationary portion includes an E-liquid bottle lid, an E-liquid supply mechanism body, and an E-liquid supply intake tube. E-liquid supply mechanism body is attached to E-liquid bottle lid. E-liquid supply intake tube is attached to a low end of E-liquid supply mechanism body. Movable portion is positioned inside of E-liquid supply mechanism body and includes a press button, a first E-liquid tube, a supply piston, a second E-liquid tube, a spring, and a steel ball. First E-liquid tube is attached to the press button. The supply piston is attached to the first E-liquid tube. The second E-liquid tube is attached to the supply piston. The spring positioned under the second E-liquid tube, and the steel ball positioned under the spring.

Abstract: Electronic cigarettes may include an electronic cigarette, and a replaceable vaporizer assembly. Electronic cigarette may include an electronic cigarette body, and a replaceable vaporizer assembly. In certain embodiments, the electronic cigarette body may include a mouthpiece, an E-liquid storage tank, an E-liquid refill cap, a mounting ring, a connector, and a vaporizer mounting base having an internal thread. The replaceable vaporizer assembly may include an external thread of a vaporizer assembly base. The replaceable vaporizer assembly may be replaced by removing the mouthpiece, unscrewing the replaceable vaporizer assembly to detach the external thread of the vaporizer assembly base from the internal thread of the vaporizer mounting base, pulling up the replaceable vaporizer assembly, replacing a new replaceable vaporizer assembly, and reinstalling the mouthpiece back in place. The electronic cigarette includes a top adjustable air intake.

Abstract: Present disclosure relates to a heating tube, a replaceable vaporizer assembly and an electronic cigarette having the replaceable vaporizer assembly. In certain embodiments, the electronic cigarette may include an electronic cigarette body, and a replaceable vaporizer assembly. The electronic cigarette body may include a mouthpiece installed in a mouthpiece base, a connector base, a mounting base defining multiple air intake openings, an E-liquid storage tank, and a connector. The mounting base and the connector base are threadedly connected through an internal thread of mounting base and an external thread of connector base to form an air chamber inside the mounting base and connector base. When in operation, outside air enters the air chamber through the multiple air intake openings and is vaporized by the replaceable vaporizer assembly, goes up through multiple air gaps between the mounting base and the connector base, and exits the electronic cigarette body through the mouthpiece.

Abstract: The present disclosure relates to a replaceable vaporizer assembly and an electronic cigarette having the replaceable vaporizer assembly. In certain embodiments, the electronic cigarette may include an electronic cigarette body, and a replaceable vaporizer assembly. The electronic cigarette body may include a mouthpiece installed in a mouthpiece base, a connector base, a mounting base, an E-liquid storage tank, and a connector. The mounting base and the connector base are threadedly connected through a first internal thread of the mounting base and an external thread of the connector base to form an air chamber inside of the mounting base and the connector base. When in operation, outside air enters the air chamber through the multiple air intake openings and is vaporized by the replaceable vaporizer assembly, goes up through multiple air gaps between the mounting base and the connector base, and exits the electronic cigarette body through the mouthpiece.

Abstract: Certain aspects of the present invention relate to a heating assembly for electronic cigarette vaporizer. In certain embodiments, heating assembly includes: a pair of vaporizer shields, certain heating elements, an e-liquid medium, a pair of vapor guides, and a vaporizing chamber side cover. Vaporizer shields are disposed on a heating element base. An e-liquid medium opening is defined between the vaporizer shields. Each of the heating elements has a first terminal and a second terminal. The e-liquid medium is vertically positioned in the e-liquid medium opening. The e-liquid medium has certain heating element grooves for installing the heating elements. The vapor guides are placed between vaporizer shields and the e-liquid medium. The vaporizing chamber side cover is configured to surround the first vaporizer shield and the second vaporizer shield, the e-liquid medium. The vaporizing chamber side cover defines two e-liquid conduit openings, one on each side of the e-liquid medium.

Abstract: Certain aspects of present invention relate to electronic cigarettes. In certain embodiments, the electronic cigarettes may include a vaporizer and e-liquid storage tank combo, and a power module. The vaporizer and e-liquid storage tank combo may include a heating element having a positive terminal and a negative terminal to receive electrical energy from a battery of the power module to heat e-liquid in direct contact with surfaces of a cylindrical vaporizer and a vaporizer connector having a circular base and the circular base having an external multiple threads connector. The power module may have a power connector having the battery, a positive terminal, a negative terminal, and an internal multiple threads connector. The external multiple threads connector of the vaporizer and e-liquid storage tank combo is threadedly connected to the internal multiple threads connector of the power connector of the power module.

Abstract: Dynamically controlling voltage for access (i.e., read and/or write) operations to magneto-resistive random access memory (MRAM) bit cells to account for process variations is disclosed. An MRAM bit cell process variation measurement circuit (PVMC) is configured to measure process variations in MTJs that affect MTJ resistance, which can change write current at a given fixed supply voltage applied to an MRAM bit cell. The MRAM bit cell PVMC may also be configured to measure process variations in logic circuits representing process variations in access transistors employed in MRAM bit cells. These measured process variations in MTJs and/or logic circuits are used to dynamically determine a supply voltage for access operations to MRAM.

Abstract: An electronic cigarette has a conduit arranged in a atomizing stem, the conduit has a first segment and a second segment in communication with the first segment, the first segment has a wider inner space than the inner space of the second segment; a storage chamber is outside and surrounds the conduit; and a heating device arranged inside the inner space of the first segment of the conduit for atomizing an atomizable material coming from the storage chamber.

Abstract: The present disclosure relates to an E-liquid flow control mechanism and electronic cigarettes having the E-liquid flow control mechanism. The electronic cigarette may include: an electronic cigarette body, a vaporizer, and an E-liquid flow control mechanism. Electronic cigarette body includes an E-liquid storage tank, a mouthpiece, and an electronic cigarette base. The vaporizer having a heating element, and an E-liquid storage medium, is positioned on a vaporizer base. The E-liquid flow control mechanism defines an E-liquid flow control opening, and has an E-liquid flow control handle. When the E-liquid flow control handle is lifted all the way up, the E-liquid flow is blocked. When the E-liquid flow control handle is pushed all the way down, the E-liquid flow reaches maximum. When the E-liquid flow may be controlled by a user by pushing down or pulling up the E-liquid flow control handle between the highest point and the lowest point.

Abstract: An electronic cigarette is provided, which comprises a hollow atomizing stem (10), a first conductive ring (20) sleeved at the bottom of the atomizing stem (10) and airproof with the atomizing stem (10), a second conductive ring (30) arranged in the first conductive ring (20) and insulated from it, a conduit (40) held in the atomizing stem (10), with base contacting the first conductive ring (20) tightly, a liquid blocker (70) arranged on the top of the atomizing stem (10), and a cigarette holder (80) arranged on the top of the atomizing stem (10) simultaneously and holding the liquid blocker (70) The inner wall of said atomizing stem (10), the outer wall of said conduit (40), the top of said first conductive ring (20), and the bottom of said liquid blocker (70) together confine a liquid storage chamber (12) for storing tobacco juice.

Abstract: The present disclosure relates to an E-liquid separation mechanism and an electronic cigarette having the E-liquid separation mechanism. In certain embodiments, the electronic cigarette may include an electronic cigarette body, a vaporizer, and an E-liquid separation mechanism. E-liquid separation mechanism includes a connecting base defining a first and a second connecting base E-liquid openings, a separator base defining a first and a second separator base E-liquid openings, a first separator block, and a second separator block. When first separator block is in a lower position, a first E-liquid supply path is formed to supply E-liquid from the E-liquid storage tank to the vaporizer. When second separator block is in a lower position, a second E-liquid supply path is formed. When first separator block is in an upper position, first E-liquid supply path is blocked. When second separator block is in an upper position, the second E-liquid supply path is blocked.

Abstract: Present disclosure relates to a power connector assembly. The power connector assembly includes a vaporizer connector portion and a power module connector portion. The vaporizer connector portion includes a vaporizer connector body forming a negative terminal of the vaporizer connector portion and a locking mechanism. The power module connector portion includes a power module connector body forming a negative terminal of the power module connector portion and the locking mechanism. When locking mechanism of power module connector portion is engaged in a locking position with the locking mechanism of the vaporizer connector portion, a positive terminal of the power module connector portion is electrically coupled to a positive terminal of the vaporizer connector portion, and a negative terminal of the power module connector portion is electrically coupled to a negative terminal of the vaporizer connector portion, respectively, to provide electric power to the vaporizer connector portion from a power module.

Abstract: The present invention relates to vaporizer heating assemblies for electronic cigarettes. In certain embodiments, vaporizer heating assemblies include: heating assembly and electric conductor assembly. Heating assembly includes: heating assembly covers, round heating element mounting base, heating elements, and e-liquid media. Heating elements have heating wires formed in a large surface to ensure sufficient vaporization of e-liquid. Heating assembly covers define certain e-liquid conduit openings to allow the e-liquid to flow from outside of the heating assembly covers into the e-liquid media. The heating elements are in direct contact with the e-liquid media to generate large amount of vapor for its user. Electric conductor assembly includes: an electric connector base for a first terminal of heating elements, an electrode for a second terminal of heating elements, and an insulation cover to insulate the electric connector base and the electrode.

Abstract: Electronic cigarettes may include an electronic cigarette, and a replaceable vaporizer assembly. Electronic cigarette may include a mouthpiece, an E-liquid storage tank, an E-liquid storage tank cover, a cylindrical connector, and a vaporizer mounting base having an internal thread. The replaceable vaporizer assembly may include a vaporizer assembly mounting base having an external thread of the vaporizer assembly mounting base.