Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereof
A magnetron sputtering coating device includes a deposition chamber, sputtering cathodes, a rotating stand within the deposition chamber, a support platform on the rotating stand, a first rotation system for driving the rotating stand to rotate around a central axis of the rotating stand, and a baffle fixed on the rotating stand. The sputtering cathodes are arranged around and perpendicular to the rotating stand.
1. A magnetron sputtering coating device, comprising:
a deposition chamber;
a rotating stand positioned within the deposition chamber and having a rotating axis;
two first sputtering cathodes and a second sputtering cathode located on a circumference concentric with the rotating axis, wherein the second sputtering cathode contains a material different from the two first sputtering cathodes; and
a baffle fixed on the rotating stand and divides the deposition chamber into at least two areas, wherein at least one first sputtering cathode is in one area, the second sputtering cathode is in another area, and at least one of the at least two areas includes one of the first and second sputtering cathodes and at least a part of the other of the first and second sputtering cathodes.
2. The magnetron sputtering coating device according to claim 1 , wherein the first sputtering cathodes each include a graphite target, and the second sputtering cathode includes a titanium or tantalum target.
3. The magnetron sputtering coating device according to claim 1 , wherein the baffle extends along a diameter of the rotating stand.
4. The magnetron sputtering coating device according to claim 1 , wherein the two first sputtering cathodes form an arc of substantially 180°-240° therebetween, and the second sputtering cathode is positioned substantially in the middle of the two first sputtering cathodes.
5. The magnetron sputtering coating device according to claim 1 , wherein the baffle is made of titanium, aluminum, stainless steel, or a combination thereof.
6. The magnetron sputtering coating device according to claim 1 , further comprising a support platform on the rotating stand for supporting an article to be coated.
7. The magnetron sputtering coating device according to claim 6 , further comprising a rotation system for rotating the support platform around a central axis of the support platform.
8. The magnetron sputtering coating device according to claim 1 , further comprising multiple support platforms arranged on a support rod on the rotating stand.
9. The magnetron sputtering coating device according to claim 1 , wherein the sputtering cathodes are arranged on an inner wall of the deposition chamber.
10. The magnetron sputtering coating device according to claim 1 , wherein the two first sputtering cathodes are positioned opposite to each other, and the device further includes another second sputtering cathode arranged opposite to the second sputtering cathode.