Richard M Cihon

US Patent:

47587806, Jul 19, 1988

Filed:

Dec 8, 1986

Appl. No.:

6/939504

Inventors:

Dennis R. Coon - Byesville OH
Richard M. Cihon - Kimbolton OH
Don E. Beam - Cambridge OH
Roy L. Hoisington - Cumberland OH
Charles D. Adkins - Ypsilanti MI

Assignee:

NCR Corporation - Dayton OH

International Classification:

G01R 102

US Classification:

324 73PC

Abstract:

A circuit board test apparatus includes an interchangeable interface board adapted for use with a particular type of circuit board to be tested, a receiver board with which said interface board engages, a back plane board located generally parallel to said receiver board and containing analog and digital buses, and a plurality of analog and digital interface and controller boards mounted generally perpendicular to said receiver and said back plane boards and electrically connected thereto. The test apparatus also includes vacuum apparatus for drawing the circuit board to be tested into engagement with the interchangeable interface board and further includes several embodiments of means for directing a stream of ionized air across the circuit board to be tested to eliminate static electrical charges therefrom.