摘要:
The present invention provides a sputter device and a method of manufacturing a magnetic storage medium capable of forming a buried layer with higher production efficiency in manufacturing a magnetic recording medium. In an embodiment of the present invention, cathodes in opposition to each other with a substrate (201) sandwiched in between are arranged and the phase of high-frequency power to be applied to each cathode is made the same. At this time, it is preferable to reduce the distance between each cathode and the substrate (201). Further, it is also preferable to perform deposition of a buried layer while attracting positive ions in plasma to the substrate (201) by an attracting electric field.
摘要:
In a sputter device (1), power of a DC power source (20) is sequentially distributed and supplied in a time division pulse state to a plurality of sputter evaporation sources (4). A power source (10) provided to each of the sputter evaporation sources (4) supplies continuous power to each of the sputter evaporation sources (4). The sputter device (1) having the configuration requires no DC pulse power source to be provided to each of the sputter evaporation sources (4), which reduces the device cost.
摘要:
A bipolar pulsed power supply which supplies power in a bipolar pulsed mode at a predetermined frequency to a pair of electrodes that come into contact with a plasma is arranged to reduce the switching loss of the switching elements in a bridge circuit, and also to attain a high durability without using high-performance switching elements. The bipolar pulsed power supply has: a bridge circuit constituted by switching elements SW1 through SW4 connected to positive and negative DC outputs from a DC power supply source; and a control means for controlling switching ON or OFF of each of the switching elements in the bridge circuit. An output-short-circuiting switching element SW0 is disposed between the positive and the negative DC outputs from the DC power supply source such that, in a short-circuited state of the output-short-circuiting switching element, each of the switching elements in the bridge circuit is switched by the control means.
摘要:
Provided is a high-quality magnetoresistive thin film by using a method of controlling self bias of a high-frequency sputtering device. In order to control the self bias for the substrate by adjusting a substrate potential, the high-frequency sputtering device according to the present invention includes: a chamber; evacuation means for evacuating the inside of the chamber; gas introduction means for supplying a gas into the chamber; a substrate holder provided with a substrate mounting table; rotation drive means capable of rotating the substrate holder; a sputtering cathode provided with a target mounting table and arranged such that the surface of the target mounting table is non-parallel to the surface of the substrate mounting table; an electrode disposed inside the substrate holder; and a variable impedance mechanism electrically connected to the electrode, for adjusting the substrate potential on the substrate holder.
摘要:
To achieve an improved end block, in which heating by induction eddy currents, which may occur during AC sputtering, for example, is significantly reduced relative to known end blocks, an end block for a magnetron configuration having a rotating target comprises an end block housing having an attachment surface for attaching the end block on a support apparatus, a pivot bearing for rotatable mounting of the rotating target, and at least one current conduction apparatus which conducts current through the end block housing in operation of the end block. The end block housing is implemented so that each current path in the end block housing which encloses the current conduction apparatus has an interruption at at least one point.
摘要:
When a film containing constituent elements of a target is formed on a substrate through a vapor deposition process using plasma with placing the substrate and the target to face each other, a potential in a spatial range of at least 10 mm extending laterally from the outer circumference of the substrate is controlled to be equal to a potential on the substrate, and/or the substrate is surrounded with a wall surface having a potential controlled to be equal to the potential on the substrate.
摘要:
A sputtering apparatus includes a chamber for containing a feed gas. An anode is positioned inside the chamber. A cathode assembly comprising target material is positioned adjacent to an anode inside the chamber. A magnet is positioned adjacent to cathode assembly. A platen that supports a substrate is positioned adjacent to the cathode assembly. An output of the power supply is electrically connected to the cathode assembly. The power supply generates a plurality of voltage pulse trains comprising at least a first and a second voltage pulse train. The first voltage pulse train generates a first discharge from the feed gas that causes sputtering of a first layer of target material having properties that are determined by at least one of a peak amplitude, a rise time, and a duration of pulses in the first voltage pulse train. The second voltage pulse train generates a second discharge from the feed gas that causes sputtering of a second layer of target material having properties that are determined by at least one of a peak amplitude, a rise time, and a duration of pulses in the second voltage pulse train.
摘要:
A sputtering power-supply unit comprises a voltage generation section which generates a sputtering voltage between a negative electrode output terminal and a positive electrode output terminal, and a circuit section which reduces fluctuation in a sputtering current even if an arc discharge occurs between the negative electrode output terminal and the positive electrode output terminal. Thus, fluctuation in the sputtering current can be reduced even if the arc discharge occurs between the negative electrode output terminal and the positive electrode output terminal.
摘要:
A method and apparatus for sputter depositing a film on a substrate is disclosed. By providing a superimposed RF bias over a DC bias, plasma ionization is increased. In order to increase the resistive load across the substrate, an impedance circuit is provided between the substrate and the susceptor. The impedance circuit allows an insulating substrate to effectively function as an anode and connect to ground.
摘要:
The present invention relates to a method of forming a deposited film including a first step for setting a deposited film forming target (10) into a reaction chamber (4), a second step for filling the reaction chamber (10) with a reaction gas and a third step for applying pulse DC voltage between a first conductor (3) and a second conductor (40) spaced from each other in the reaction chamber (10). The present invention further relates to a deposited film forming device for performing the above method. Preferably, in the third step, potential difference between the first conductor (3) and the second conductor (40) is set to not less than 50V and not more than 3000V, and pulse frequency of the pulse DC voltage applied to the first and second conductors (3, 40) is set to not more than 300kHz. Duty ratio of the pulse DC voltage is set to not less than 20% and not more than 90%.