H01J37/3444

Device having two end blocks, an assembly and a sputter system comprising same, and a method of providing RF power to a target assembly using said device or assembly

A device for use in a sputter system, comprising at least a first end block and a second end block positioned at opposite sides of the sputter system. The device is adapted such that a target assembly comprising at least one target tube or sputter magnetron, when mounted on the first and second end blocks, may be powered actively with RF power at both sides of the assembly, and such that the target assembly, when mounted, is not actively powered continuously with RF power simultaneously at both extremities of a target tube or sputter magnetron. An assembly comprising said device and a control unit for controlling powering of opposite sides of the target assembly by RF power such that the target assembly, when mounted, is not actively powered continuously with RF power simultaneously at both extremities of a target tube or sputter magnetron.

Methods for igniting a plasma in a substrate processing chamber

Embodiments of method for igniting a plasma are provided herein. In some embodiments, a method for igniting a plasma includes: flowing a process gas into a process chamber to increase a pressure within the process chamber to a first pressure; applying a first bias voltage from a collimator power source to a collimator disposed within the process chamber; and applying a second power to a sputtering source disposed in the process chamber above the collimator after the first pressure has been reached and the first bias voltage is applied to ignite the plasma.

PULSED POWER MODULE WITH PULSE AND ION FLUX CONTROL FOR MAGNETRON SPUTTERING

An electrical power pulse generator system and a method of the system's operation are described herein. A main energy storage capacitor supplies a negative DC power and a kick energy storage capacitor supplies a positive DC power. A main pulse power transistor is interposed between the main energy storage capacitor and an output pulse rail and includes a main power transmission control input for controlling power transmission from the main energy storage capacitor to the output pulse rail. A positive kick pulse power transistor is interposed between the kick energy storage capacitor and the output pulse rail and includes a kick power transmission control input for controlling power transmission from the kick energy storage capacitor to the output pulse rail. A positive kick pulse power transistor control line is connected to the kick power transmission control input of the positive kick pulse transistor.

ATMOSPHERIC COLD PLASMA JET COATING AND SURFACE TREATMENT
20180342379 · 2018-11-29 ·

A system and method are described for depositing a material onto a receiving surface, where the material is formed by use of a plasma to modify a source material in-transit to the receiving surface. The system comprises a microwave generator electronics stage. The system further includes a microwave applicator stage including a cavity resonator structure. The cavity resonator structure includes an outer conductor, an inner conductor, and a resonator cavity interposed between the outer conductor and the inner conductor. The system also includes a multi-component flow assembly including a laminar flow nozzle providing a shield gas, a zonal flow nozzle providing a functional process gas, and a source material flow nozzle configured to deliver the source material. The source material flow nozzle and zonal flow nozzle facilitate a reaction between the source material and the functional process gas within a plasma region.

Sputtering Arrangement and Sputtering Method for Optimized Distribution of the Energy Flow
20180330931 · 2018-11-15 ·

The present disclosure relates to a sputtering arrangement, a vacuum coating system, and a method for carrying out HiPIMS coating methods; the sputtering arrangement has at least two different interconnection possibilities and the switch to the second interconnection possibility, in which two sputtering sub-assemblies are operated simultaneously with high power pulses, achieves a productivity gain.

Dual reverse pulse sputtering system

A pulsed power system and a pulsed power sputtering system are disclosed. The pulsed power system includes a first power source that is configured to apply a first voltage at a first power lead that alternates between positive and negative relative to a second power lead during each of multiple cycles. A second power source is coupled to a third power lead and the second power lead, and the second power source is configured to apply a second voltage to the third power lead that alternates between positive and negative relative to the second power lead during each of the multiple cycles. A controller is configured to control the first power source and the second power source to phase-synchronize the first voltage with the second voltage, so both, the first voltage and the second voltage, are simultaneously negative during a portion of each cycle and simultaneously positive relative to the second power lead during another portion of each cycle.

ION SOURCE SPUTTERING
20180261428 · 2018-09-13 ·

An ion source comprising: an electrode; a counter electrode; means for generating an electrical potential between the electrode and counter-electrode; one or more magnets arranged, in use, to confine a plasma generated around the electrode upon application of the said electrical potential; and an aperture in the counter-electrode through which ions from the said plasma can escape; characterized in that: the means for generating an electrical potential between the electrode and counter electrode comprises a DC signal generator that is: electrically connected to the electrode and the counter-electrode; adapted, in use, to apply a baseline DC potential to the electrode and the counter-electrode with the DC potential at the electrode being positive relative to the DC potential at the counter electrode; and adapted, in use, to apply a sequence of DC pulses superimposed onto the baseline DC potential.

Power distributor for defined sequential power distribution

A power distributor that is capable of distributing the high power from a DC generator to more than two targets sequentially and without the power output of the DC generator being interrupted. Furthermore, the invention relates to a sputter source that includes the power generator described above.

RADIO FREQUENCY POWER SOURCE DEVICE, AND POWER SOURCE FOR DUAL CATHODES

There is provided a radio frequency power source device configured to change a voltage ratio between two output end voltages, by switching a connection state of a voltage divider that divides the radio frequency voltage, in such a manner that the radio frequency voltage is divided into voltage outputs in antiphase with each other with respect to ground potential, and high voltage and low voltage are delivered in switching manner. Switching of the connection state in the voltage divider enables selective delivery of voltage having different values, high voltage or low voltage, and by selecting and delivering high voltage for the time high voltage is required, reduction of the voltage output from the radio frequency output circuit is prevented.

End block assembly, bearing assembly, and method for manufacturing a bearing assembly

In various embodiments, an end block assembly for rotatably mounting a tubular electrode in a processing chamber is provided. The end block assembly includes a receptacle region for receiving a bearing assembly which has a coupling region for coupling the tubular electrode thereto, the bearing assembly of which the coupling region is supported by a sleeve of the bearing assembly. The sleeve is plug-fitted into the receptacle region. The sleeve is joined together from a plurality of segments, the external faces thereof forming a lateral surface of the bearing assembly and at least two segments thereof being formed from dissimilar materials. The external faces of the two segments are mutually aligned such that they are flush with one another.