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Priority claimed from JP25468293Aexternal-prioritypatent/JPH0786188A/ja
Priority claimed from JP5254681Aexternal-prioritypatent/JP3066691B2/ja
Priority claimed from JP25468093Aexternal-prioritypatent/JP2741156B2/ja
Priority claimed from JP5256506Aexternal-prioritypatent/JP2881371B2/ja
Priority claimed from JP25650793Aexternal-prioritypatent/JPH0794489A/ja
Application filed by Tokyo Electron Co LtdfiledCriticalTokyo Electron Co Ltd
Application grantedgrantedCritical
Publication of TW277007BpublicationCriticalpatent/TW277007B/zh