H - Electricity – 05 – K
Patent
H - Electricity
05
K
H05K 13/04 (2006.01) G01R 31/02 (2006.01)
Patent
CA 2451951
A vacuum controlled fixture for positioning columns arrayed on a principal face thereof, on sites of an electronic substrate includes an internal chamber having spaced apart first and second surfaces extending beneath its principal face. A regular array of column receiving holes extends from the principal face through the first surface of the chamber, and a plurality of vacuum ducts extend from ports in the second surface of the chamber to a vacuum source to evacuate the internal chamber. The ports in the second face of the chamber are laterally offset from the receiving holes in the first face of the chamber to allow seating of the interior ends of the columns on coplanar portions of the rear surface. The ports are preferably centered, equidistant from the closet adjacent receiving holes, to increase the uniformity of the vacuum applied thereto which, in conjunction with a select clearance between the columns and their receiving holes, provides centering of the columns by means of a vacuum driven air flow around the latter.
de Sousa Isabel
Ferland Yvan
Harel Stephane
Barrett B.p.
Ibm Canada Limited - Ibm Canada Limitee
LandOfFree
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