Metal working – Means to assemble or disassemble – With signal – scale – illuminator – or optical viewer
Patent
1994-12-07
1997-01-07
Vo, Peter
Metal working
Means to assemble or disassemble
With signal, scale, illuminator, or optical viewer
29743, 29DIG22, 29DIG44, B23P 1904, H05K 330
Patent
active
055904564
ABSTRACT:
An apparatus and method is provided that superimposes an image of an optoelectric component on a substrate with the use of a single camera. Specifically, the camera looks through a transparent alignment tool that is holding the component, to the substrate below it, thus allowing both the component and the substrate to be seen together by the camera. The alignment tool and substrate are adjusted to precisely align the two and then are brought together while being seen by the camera. On laser chips, the chip is energized while on the glass alignment tool to produce a laser spot that is superimposed on the visible light image via a series of lenses and mirrors.
REFERENCES:
patent: 4889921 (1990-02-01), Bendat et al.
patent: 5018936 (1991-05-01), Izumi et al.
patent: 5033783 (1991-07-01), Izumi et al.
patent: 5195234 (1993-03-01), Pine et al.
patent: 5212880 (1993-05-01), Nishiguchi et al.
"Arrangement for Component Position Pre-Evaluation Using Vision and Turret Head" IBM Technical Disclosure Bulletin, vol. 30, No. 10, Mar. 1988, pp. 40-41.
Armington Richard S.
L'Esperance Leroy D.
Lucent Technologies - Inc.
Vo Peter
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