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Method of reducing residue accumulation in CVD chamber using ceramic lining

  • US 5,885,356 A
  • Filed: 12/22/1995
  • Issued: 03/23/1999
  • Est. Priority Date: 11/30/1994
  • Status: Expired due to Term
First Claim
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1. A processing apparatus, comprising:

  • a processing chamber including a body with an upper surface, a lower surface and side surfaces extending from said lower surface, terminating proximate to said upper surface, spaced-apart therefrom defining an annular slot;

    a pedestal disposed in said processing chamber between said upper and lower surfaces, with said body further defining an exhaust outlet having an interior surface in fluid communication with said annular slot, with said annular slot positioned between said side surfaces and said exhaust outlet; and

    a ceramic body covering a portion of said interior surface.

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