Patent ID: 9363881
Filing Date: 2016-06-07
CPC Classification: H01J,H05H

Claim Text:
1. A plasma device, comprising: a dielectric barrier comprising an upstream terminal and a downstream terminal and defining a space, wherein the dielectric barrier is a movable dielectric barrier, and a distance between the dielectric barrier and the third electrode structure is changeable; a first electrode structure disposed in the space, wherein a gap is formed between the first electrode structure and the dielectric barrier, and the gap has multiple widths; a second electrode structure disposed around the first electrode structure, wherein the dielectric barrier is located between the first electrode structure and the second electrode structure, and the second electrode structure comprises a plurality of electrode blocks that are arranged in sequence from the upstream terminal to the downstream terminal; and a third electrode structure, wherein the dielectric barrier, the first electrode structure, and the second electrode structure are located on the same side of the third electrode structure, and the third electrode structure is located at the downstream terminal of the dielectric barrier, wherein a minimum distance between the electrode blocks and the third electrode structure is not less than a distance between the first electrode structure and the third electrode structure.