Patent · US Expired

Treatment facility particularly for printed circuit boards to be treated while in a horizontal plane

US4761213A · kind A · utility

7Cited by
1References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 26, 1987
Grant dateAug 2, 1988
Priority date
Expiry dateMay 26, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23G3/00
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A treatment facility, which has a continuous circulation of a treatment fluid between a supply reservoir and a treatment cell, characterized by an arrangement to prevent frothing and/or foaming of the treatment fluid being returned to the reservoir. The arrangement includes a distributor having an exit slot which is positioned in the reservoir with the exit slot being above the level of the fluid in the reservoir.

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