Electronic component mounting apparatus

Details Electronic component mounting apparatus Electronic component mounting apparatus

1991-06-10

1992-02-11

Echols, P. W.

Metal working

Means to assemble or disassemble

Means to assemble electrical device

29705, 29720, 36457105, 901 46, B23P 1900

Patent

active

050865560

ABSTRACT:
An electronic component mounting apparatus wherein any unflatness value such as skew at each of predetermined points on the surface of a substrate supported at a component mounting position is measured by a non-contact type measuring instrument. Such unflatness value and a predetermined height of each electronic component to be mounted are calculated, and the descent stroke of each suction nozzle is adjusted in accordance with the result of such calculation in such a manner that the bottom face of the component is set exactly at the predetermined position on the substrate surface, thereby ensuring accurate mounting of the component on the substrate surface without causing any impact thereto to consequently attain proper attachment.

REFERENCES:
patent: 3906325 (1975-09-01), Salmon
patent: 4498778 (1985-02-01), White
patent: 4926345 (1990-05-01), Novak et al.
patent: 4980971 (1991-01-01), Bartschat et al.
patent: 5033185 (1991-07-01), Hidese

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