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Circuit board cleaning apparatus

Image Number 2 for United States Patent #4895177.

Known methods of remaining flux from printed circuit boards include spraying jets of solvent onto the board and/or immersing the board in solvent. However, these techniques are not effective when applied to ceramic boards comprising ceramic chip carries as the spacing between the board and the carries is much smaller than with printed circuit boards. Described herein is apparatus for effecting the removal of flux by immersing the boards in solvent and agitating them in the solvent so that the solvent can penetrate the spaces between the components or carriers and the board.

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