Patent classifications
H01J37/3405
ADJUSTABLE RETURN PATH MAGNET ASSEMBLY AND METHODS
The invention provides a sputter deposition assembly that includes a sputtering chamber, a sputtering target, and a magnet assembly. The magnet assembly includes a magnetic backing plate with a blind recess into which a moveable magnetic control body can be adjustably disposed.
LATERALLY ADJUSTABLE RETURN PATH MAGNET ASSEMBLY AND METHODS
The invention provides a sputter deposition assembly that includes a sputtering chamber, a sputtering target, and a magnet assembly. The magnet assembly includes a two-part magnetic backing plate that includes first and second plate segments, of which at least one is laterally adjustable. Also provided are methods of operating the sputter deposition assembly.
Cathode Unit for Magnetron Sputtering Apparatus and Magnetron Sputtering Apparatus
A cathode unit includes first and second magnet units that are driven to rotate around an axis on a side opposed to a sputtering surface of a target. The first magnet unit is configured to cause a first leakage magnetic field to act on a space in front of the sputtering surface including a target center inward. The second magnet unit is configured to cause a second leakage magnetic field to act locally in the space in front of the sputtered surface located between the target center and the outer edge of the target and to enable self-holding discharge under low pressure of plasma confined by the second leakage magnetic field.
Physical vapor deposition apparatus and method thereof
A an apparatus includes a processing chamber configured to house a workpiece, a target holder in the processing chamber, a first magnetic element positioned over a backside of the target holder, a first arm assembly connected to the first magnetic element, a rotational shaft, and a first hinge mechanism connecting the rotational shaft and the first arm assembly.
Generating a highly ionized plasma in a plasma chamber
A method of generating a highly ionized plasma in a plasma chamber. A neutral gas is provided to be ionized in the plasma chamber at pressure below 50 Pa. At least one high energy high power electrical pulse is supplied with power equal or larger than 100 kW and energy equal or larger than 10 J, to at least one magnetron cathode in connection with a target in the plasma chamber. A highly ionized plasma is produced directly from the neutral gas in a plasma volume such that the plasma volume cross section increases during a current rise period. Atoms are sputtered from the target with the highly ionized plasma. At least part of the sputtered atoms are ionized.
MAGNETIC ANODE FOR SPUTTER MAGNETRON CATHODE
A rotary sputter magnetron assembly for use in sputtering target material onto a substrate is provided. The assembly comprises a longitudinally extending target tube having a longitudinal central axis, said target tube extending about a magnet array that is configured to generate a plasma confining magnetic field adjacent the target tube, said target tube supported for rotation about its longitudinal central axis and a pair of side shunts positioned parallel to the longitudinal central axis, and on opposing lengthwise sides of said target tube.
CHARGED-PARTICLE MICROSCOPE WITH IN SITU DEPOSITION FUNCTIONALITY
A charged-particle microscope, comprising a vacuum chamber in which are provided: A specimen holder for holding a specimen in an irradiation position; A particle-optical column, for producing a charged particle beam and directing it so as to irradiate the specimen; A detector, for detecting a flux of radiation emanating from the specimen in response to irradiation by said beam,
wherein: Said vacuum chamber comprises an in situ magnetron sputter deposition module, comprising a magnetron sputter source for producing a vapor stream of target material; A stage is configured to move a sample comprising at least part of said specimen between said irradiation position and a separate deposition position at said deposition module; Said deposition module is configured to deposit a layer of said target material onto said sample when held at said deposition position.
Sputtering apparatus including gas distribution system
Some embodiments provide a magnetron sputtering apparatus including a vacuum chamber within which a controlled environment may be established, a target comprising one or more sputterable materials, wherein the target includes a racetrack-shaped sputtering zone that extends longitudinally along a longitudinal axis and comprises a straightaway area sandwiched between a first turnaround area and a second turnaround area, a gas distribution system that supplies a first gas mixture to the first turnaround area and/or the second turnaround area and supplies a second gas mixture to the straightaway area, wherein the first gas mixture reduces a sputtering rate relative to the second gas mixture. In some cases, the first gas mixture includes inert gas having a first atomic weight and the second gas mixture includes inert gas having a second atomic weight, wherein the second atomic weight is heavier than the first atomic weight.
SPUTTERING APPARATUS AND SPUTTERING METHOD USING THE SAME
A sputtering apparatus includes a substrate holder, a first counterpart target area, a second counterpart target area, and a power supply. The first counterpart target area includes a first target and at least one first magnetic part and operates to form a magnetic field in a first plasma area adjacent to the first target. The second counterpart target area includes a second target and at least one second magnetic part and operates to form a magnetic field in a second plasma area adjacent to the second target. The power supply supplies a first power voltage to the first and second targets. A control anode faces the substrate holder in a second direction, with the first and second plasma areas therebetween, and receives a control voltage greater than the first power voltage.
PHYSICAL VAPOR DEPOSITION APPARATUS AND METHOD THEREOF
A an apparatus includes a processing chamber configured to house a workpiece, a target holder in the processing chamber, a first magnetic element positioned over a backside of the target holder, a first arm assembly connected to the first magnetic element, a rotational shaft, and a first hinge mechanism connecting the rotational shaft and the first arm assembly.