| 摘要 |
PURPOSE: An apparatus for scan testing a printed circuit board is provided to scan test sites on a printed circuit board to discern continuities and isolations, and to eliminate test sites from complete test program when confirmed correct. CONSTITUTION: A scan test apparatus(100) comprises an upper housing(104) and a lower housing(106), each having a first drive roller and a second drive roller for movement of the printed circuit board with respect to the scan test apparatus, a shorting matrix(112,118) for electrically shorting the printed circuit board positioned on at least one of the upper housing or the lower housing, the shorting matrix having a leading edge and a trailing edge, and an electrical contactor(108,110,114,116) positioned on at least one of the upper housing or the lower housing adjacent the leading edge of the shorting matrix and adjacent the trailing edge of the shorting matrix, wherein the electrical contactors transmit test signals from the printed circuit board to measurement electronics.
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