Metal working – Means to assemble or disassemble – Means to assemble electrical device
Patent
1987-12-03
1989-09-19
Goldberg, Howard N.
Metal working
Means to assemble or disassemble
Means to assemble electrical device
29759, 29833, B23P 1900
Patent
active
048668370
ABSTRACT:
An assembly station (10) is used to align termini or leads of components (16) with attachment pads on circuit boards (20) to enable the component and circuit board pads to be precisely aligned and coupled together. A dual port probe (22), which is secured to an x-y table, is provided with upper and lower viewing ports (30, 32) which respectively view the component and the circuit board. Images from the two are directed to video cameras (34, 36) and the signals therefrom are processed by a vision system (38) which compares the alignment of the pads and provides error correction signals (x, y, .theta.) to a robotic arm (12) to move component (16) and its pad or termini into alignment with the pads on the circuit board. Thereafter, the robotic arm brings the component into contact with the circuit board for soldering of the respective leads together.
REFERENCES:
patent: 4222036 (1980-09-01), Troukens
patent: 4404741 (1983-09-01), Lebet et al.
patent: 4628464 (1986-12-01), McConnell
patent: 4675993 (1987-06-01), Harada
patent: 4731923 (1988-03-01), Yagi et al.
IBM Tech. Discl. Bull., vol. 27, No. 6, Nov. 1984, pp. 3653-3655, by Chester et al., (29/833).
Dearden Timothy E.
Heissenberger Gail M.
Zehnpfennig David M.
Arbes Carl J.
Denson-Low Wanda K.
Goldberg Howard N.
Hughes Aircraft Company
Streeter William J.
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