Patent · US Active

Apparatus and method for white layer and recast removal

US7807037B2 · kind B2 · utility

0Cited by
7References
20Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 21, 2008
Grant dateOct 5, 2010
Priority date
Expiry dateNov 28, 2028

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25F3/14
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.