| 摘要 |
Disclosed is a plasma processing apparatus comprising: a base member (3) having a first base surface (33), a second base surface (33a) and a base step portion (34); an insulating plate (35) which is formed from an insulating material and arranged on the second base surface (33a), while having a height equal to or less than the height from the second base surface (33a) to the upper surface (10a) of a substrate (10) that is arranged on the first base surface (33); a shower plate (5) having a first shower surface (5a), a second shower surface (5b) and a shower step portion (42); and an electrode mask (43) which is formed from an insulating material and so arranged on the second shower surface (5b) as to face the insulating plate (35), while having a height equal to or less than the height from the second shower surface (5b) to the first shower surface (5a). |
