Browse Prior Art Database

INK JETS FOR PRINTED CIRCUIT FABRICATION

IP.com Disclosure Number: IPCOM000025175D
Original Publication Date: 1983-Dec-31
Included in the Prior Art Database: 2004-Apr-04
Document File: 2 page(s) / 50K

Publishing Venue

Xerox Disclosure Journal

Abstract

Inks designed for screening-printing of printed circuits are currently being mar-keted. Utilizing these polymeric thick-film inks and ink jet techniques it should be possible to reproduce, from electronic memory, printed circuit patterns. By separating discreet constituent components into separate jets, it is possible to deposit structures of varying resistance.

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XEROX DISCLOSURE JOURNAL

INK JETS FOR PRINTED CIRCUIT FABRIC AT ION
Joel M. Pollack

Proposed Classification
U.S. CI. 346/75 Int. Cl. Gold 15/18

Inks designed for screening-printing of printed circuits are currently being mar- keted. Utilizing these polymeric thick-film inks and ink jet techniques it should be possible to reproduce, from electronic memory, printed circuit patterns. By separating discreet constituent components into separate jets, it is possible to deposit structures of varying resistance.

Although existing techniques are adequate, ink jet technology would improve resolution and flexibility. Some of the advantages obtained from ink jet printing are that dissimilar conductors could be precisely positioned and higher density circuits could be fabricated. Furthermore, it may be possible to deposit circuitry onto delicate or non-planar substrates. Multilayer structures could be achieved with ease. Repairs of existing circuitry also is possible. Once detected on a TV

monitor and aligned with a reticle, a stored "repair" pattern could be applied upon demand. This would improve yield for significant savings in complex parts.

Volume 8 Number 6 November/December 1983 497

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     XEROX DISCLOSURE JOURNAL Volume 8 Number 6 November/December 1983

498

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