Patent · US Expired

Chemical milling process

US4113549A · kind A · utility

15Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 6, 1977
Grant dateSep 12, 1978
Priority date
Expiry dateApr 6, 1997

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/24174
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

Chemical milling processes which employ a series of masking and metal removal steps. Apparatus for orbiting the workpiece in a prescribed manner about mutually perpendicular axes during the metal removal steps.

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