Patent · US Expired

Electroplating apparatus for plate-shaped workpieces, particularly printed circuit boards

US4832811A · kind A · utility

10Cited by
5References
17Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 22, 1988
Grant dateMay 23, 1989
Priority date
Expiry dateJan 22, 2008

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC25D7/0614
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An electroplating apparatus for plating plate-shaped workpieces, particularly printed circuit boards, as they move in a horizontal path through a tank of electrolyte between an upper anode and a lower anode characterized by the device including four electrolyte headers arranged with a pair at the input of the path between the upper and lower anodes, and a pair at the end of the path between the upper and lower anodes, with each pair having one header disposed above the path and one header disposed below the path. Each of the headers as a plurality of openings extending at an attack angle to the horizontal path to create both horizontal and vertical components for a flow of the electrolyte between the surfaces of the workpieces and each of the upper and lower anodes.

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