Improved unitized test system with bi-directional transport...

Details Improved unitized test system with bi-directional transport... Improved unitized test system with bi-directional transport...

G - Physics

01

R

G01R 31/28 (2006.01)

Patent

CA 2120928

An improved system (10) for testing electrical circuit boards (33) in an environmental test chamber (11) includes a carrier (31) movable into and out of the chamber (11). The carrier (31) supports a relatively large number of printed circuit boards (33) to be tested by exposure to extremes of temperature, for example. By a common connector (35) and receptacle (47), board testing is monitored by instruments outside the chamber (11). An insertion/extraction assembly (49) powers the carrier (31) into a test position (51) in the chamber (11) and later withdraws the carrier (31) to a board-removal position (53).

Un système amélioré (10) permet de tester des plaquettes de circuits électriques (33) dans une chambre de test climatique (11) et comporte un chariot (31) pouvant entrer dans cette chambre et en sortir. Le chariot (31) supporte un nombre relativement important de plaquettes de circuits imprimés (33) qu'il convient de tester, par exposition à des températures extrêmes par exemple. Un connecteur (35) et un boîtier de connexion communs (47) permettent de surveiller les tests de plaquettes grâce à des instruments placés hors de la chambre (11). Un dispositif d'insertion/extraction (49) amène le chariot (31) en position de test (51) dans la chambre (11) puis le retire de celle-ci vers une position (53) où l'on peut récupérer les plaquettes.

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