Apparatus having at least two image recording devices and...

Details Apparatus having at least two image recording devices and... Apparatus having at least two image recording devices and...

2007-01-30

2007-01-30

Le, Que T. (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

C250S208100, C250S239000

Reexamination Certificate

active

10516514

ABSTRACT:
A method and device are provided for placing components in a desired position on at least one substrate. The device includes a movable arm on which at least two image recording device are provided and separated by a predetermined pitch distance. In addition, two placement devices, which are separated by the same pitch distance, are also present on the arm. The spacing between the image recording devices and the placement devices is one pitch distance or a multiple thereof. A picture may be taken of at least one reference element present on a substrate by at least one image recording device, and simultaneously therewith a component may be placed on a substrate by at least one placement device.

REFERENCES:
patent: 5633719 (1997-05-01), Oehlbeck et al.
patent: WO 00/78114 (2000-12-01), None
patent: WO 01/70001 (2001-09-01), None

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