Metal working – Method of mechanical manufacture – Electrical device making
Patent
1991-01-17
1992-06-02
Arbes, Carl J.
Metal working
Method of mechanical manufacture
Electrical device making
29740, 414225, H05K 334, B23P 1900
Patent
active
051175550
ABSTRACT:
A chip placement system of modular construction is provided for simultaneous population of circuit boards with component chips. A plurality of chip placement modules are provided, each having a conveyor means for receiving a planar from an adjacent one of the modules and transporting it through the module to a next adjacent one of the modules. Each module further includes a further plurality of chip placement subassemblies for simultaneously placing a respective plurality of chips in a preselected geometric pattern on the planar and a load plate which is slidably removable from the module which carries a plurality of stacks of chips disposed in the desired geometric pattern. The load plate of each module is periodically withdrawn in at least one of the stacks are substantially depleted, whereby a next load plate with a replenished supply of chips is slid into place. By arrangement of the conveyor system for lateral movement of the planars through each module, a plurality of such modules may be arranged side by side so as to form an assembly line, each module depositing a different geometric pattern of chips simultaneously before the planar is thence conveyed to an adjacent module. The system is reconfigurable to effect different chip placement patterns by sliding replacement subassemblies into each module or sliding additional or replacement modules into place along the line. Slideable load plate design provides for rapid replenishment of depleted chip supplies while minimizing assembly line down time.
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Hunt Ronald E.
Whitehead Verlon E.
Arbes Carl J.
Carwell Robert M.
International Business Machines - Corporation
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