Apparatus and method for white layer and recast removal

Electrolysis: processes – compositions used therein – and methods – Electrolytic erosion of a workpiece for shape or surface... – With programmed – cyclic – or time responsive control

Reexamination Certificate

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C204S22400M, C205S640000

Reexamination Certificate

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07807037

ABSTRACT:
A method for removing a metal layer comprising the steps of providing a part having a slot, providing a porous metallic cathode comprising a recess bounded by a wall having an outer surface corresponding to the slot, inserting the porous metallic cathode into the slot, introducing an electrolyte into the recess of the porous metallic cathode, and removing a portion of an inner surface of the slot by flowing an electric current between the part and the porous metallic cathode.

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patent: 7462273 (2008-12-01), Mielke
patent: 2006/0081481 (2006-04-01), Bayer et al.
patent: 815090 (1959-06-01), None
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patent: 40-28038 (1940-12-01), None
Japanese Office Action for JP 2005-166304, dated May 13, 2008.
European Search Report for EP 05253676.0, dated Sep. 25, 2008.

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