Patent · US Expired

Method and apparatus for the aqueous cleaning of populated printed circuit boards

US5129956A · kind A · utility

49Cited by
9References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1989
Grant dateJul 14, 1992
Priority date
Expiry dateOct 6, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S134/902
  • WIPO fieldChemical engineering
  • WIPO sectorChemistry

Abstract

A method and apparatus for the aqueous cleaning of a printed circuit board having surface mounted components assembled thereon. The invention involves a heated aqueous solution sprayed under high pressure through a helically-vaned nozzle that is moving rotationally about the plane of a moving printed circuit board. The apparatus accomplishes a thorough cleaning of all components and areas of the printed circuit board with the use of a water based cleaning solution.

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