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Methods and systems for shielding in sputtering chambers

申请公布号:US5482612(A)

申请号:US19940286586

申请日期:1994.08.05

申请公布日期:1996.01.09

申请人:
TEXAS INSTRUMENTS INCORPORATED

发明人:ARMSTRONG, FRANK O.;JEFFREYS, BRIAN B.

分类号:C23C14/56;H01J37/34;(IPC1-7):C23C14/34

主分类号:C23C14/56

摘要:An improved metal film deposition system is disclosed which comprises an improved shield (80) to prevent particulate contamination of processed wafers. The shield (80) includes an interstitial layer of flame-sprayed metal which adheres well to both the material comprising the metal film and the metal comprising the shield (80). Further, the shield utilizes radiused deflections (84) and (86) to disperse the forces created by the crystalline growth of the metal film.

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