Metal fusion bonding – Process – With condition responsive – program – or timing control
Patent
1987-05-28
1989-05-23
Godici, Nicholas P.
Metal fusion bonding
Process
With condition responsive, program, or timing control
228105, 228 7, 228 12, 228269, 228 491, 228 19, B23K 100
Patent
active
048322504
ABSTRACT:
An electronic circuit board rework and repair system having a carriage manually movable to successive station positions and having a table thereon movable along mutually orthogonal axes for positioning of a circuit board clamped to the table. At a first station, a circuit board is loaded onto the table, and a microscope can be swung into position for inspection of the loaded board. At a second station, an intended component or circuit board site can be aligned by way of a visual image of the component and site, and the table locked in position. At a third station, the selected component or circuit board site is automatically in alignment with a programmable heater for selected heating of the component contacts and removal of the component by a pickup probe associated with the heater. The system is calibrated such that there is alignment between a visually established position at the second station and that component position under the heater at the third station. Components can also be attached to selected sites of a circuit board by operation of the system.
REFERENCES:
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patent: 4163814 (1978-08-01), Nishioka
patent: 4426571 (1984-01-01), Beck
patent: 4536642 (1985-08-01), Homster
patent: 4610388 (1986-09-01), Koltuniak et al.
patent: 4620659 (1986-11-01), Holdway
patent: 4659004 (1987-04-01), Fridman
patent: 4675509 (1987-06-01), Hell
Drislane William F.
Spigarelli Donald J.
Godici Nicholas P.
Skillman Karen
Srtechnologies, Inc.
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