LED exposure head with overlapping electric circuits

Details LED exposure head with overlapping electric circuits LED exposure head with overlapping electric circuits

1991-06-28

1993-10-26

Fuller, Benjamin R.

Recorders

Light or beam recording

Including record receiver or handling means therefor

346139R, 361703, 361707, G01D 1514, H05K 720

Patent

active

052570495

ABSTRACT:
A light emitting diode exposure head for a recording apparatus which comprises an aligned assembly of a plurality of diode modules, each module including an array of said diodes and associated circuit boards mounted on a common base, the diode modules being supported in elevated position above the base, and interconnection circuit strips for the modules disposed on the base in partial overlapping relation beneath the margins of the elevated modules, the interconnection strips having a line of bonding pads for making wire-bonded connections with the circuit boards.

REFERENCES:
patent: 4400709 (1983-08-01), de Kermodec et al.
patent: 4829321 (1989-05-01), Iizuka et al.
patent: 4875057 (1989-10-01), Hediger et al.
patent: 4896168 (1990-01-01), Newman et al.
patent: 4942405 (1990-07-01), Dody et al.
patent: 4951098 (1990-08-01), Albergo et al.
P. F. Heidrich, R. A. Laff, E. G. Lean, and T. B. Light, "LED Array Print Head Configuration", IBM Technical Disclosure Bulletin, vol. 25, No. 7A, Dec. 1982, pp. 3368-3370.

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