Patent ID: 6140659
Filing Date: 2000-10-31
Classification: B29C,H01L

Abstract:
An apparatus for removing a residual dirt including at least one of organic and inorganic substances from inner surfaces of dies, said apparatus comprising:a casing having a light-irradiation chamber;top and bottom cleaning chambers in ultra-violet light communication with and provided, respectively, on a top and bottom of said light-irradiation chamber;said top and bottom cleaning chambers having, respectively, top and bottom openings adapted for tight contact with inner surfaces of, respectively, top and bottom dies to form air-tight inner spaces within said top and bottom cleaning chambers;an ultraviolet ray lamp positioned at a center portion of said light-irradiation chamber;a pair of concave mirrors on opposite sides of sand centered on said ultraviolet ray lamp; anda pair of convex mirrors on opposite sides of and centered on said ultraviolet ray lamp,wherein said concave and convex mirrors are arranged within said light-irradiation chamber and around said ultraviolet ray lamp so that the concave mirrors reflect light from said ultraviolet ray lamp and said convex mirrors reflect light from said concave mirrors toward the inner surfaces of the top and bottom dies.