Patent ID: 6940273
Filing Date: 2005-09-06
Classification: B23Q,G01R,G12B

Abstract:
1. A manipulator for positioning a test head on a device handler, said manipulator comprising: a holder for a test head; a positioning means connected to said holder; a column on which said positioning means is arranged vertically positionable, said column comprising linear guides extending vertically for linear translation of a slave actuator; said positioning means comprising at least one pair of articulated arms and at least one pair of horizontally traveling carriages; said articulated arms being spaced away from each other and pivotable about a vertical axis, said articulated arms having a first end and a second end, said first end being hinged to said holder and said second end being hinged to said carriages respectively; said slave actuator comprising guides for linear translation of said carriages; and said carriages being arranged movable independently of each other on said slave actuator.