Method of casting internal features

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United States of America Patent

PATENT NO 9687908
SERIAL NO

14845187

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Abstract

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A method for casting an internal feature within an object is provided. An internal mold is formed from a mold powder, comprising a base powder and an acid powder mixed into the base powder. A molten material is cast around the internal mold. The molten material is solidified. The internal mold is reacted with water, wherein the reacting causes the acid powder to neutralize the base powder.

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Patent Owner(s)

  • LAM RESEARCH CORPORATION;LAW RESEARCH CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sharpless, Leonard Fremont, US 9 394

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