公式タイトルと情報はIP Exchange PlusとPremiumのユーザーのみが利用可能です。
特許 権利維持 PROBLEM TO BE SOLVED: To provide a shower plate which can prevent generation of backflow of plasma more perfectly, and can ensure efficient plasma excitation. ; SOLUTION: A shower plate 105 is arranged in the processing chamber 102 of plasma processing equipment, and has a plurality of holes 113a for discharging plasma excitation gas in order to generate plasma in the processing chamber 102.