Use of prolonged tack toners for the preparation of electric cir

Details Use of prolonged tack toners for the preparation of electric cir Use of prolonged tack toners for the preparation of electric cir

1980-02-25

1981-12-01

Smith, John D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427102, 427103, 427203, 427226, 427379, 427380, 4273763, H05K 310, H05K 312

Patent

active

043036988

ABSTRACT:
Preparation of an electrically conductive pattern by adhering a prolonged tack toner which is activated by heating to the toner-receptive image areas of an inert substrate, the temperature is reduced and to the activated toner is applied a prolonged tack toner having conductive metal particles and glass frit as components; optionally the steps of heating, temperature reduction and toner application are repeated at least one time, and then the toned image is burned and fired. An electrically conductive pattern is obtained which is useful, for example, as an electric circuit. The process is also useful in the application of resistor and dielectric materials.

REFERENCES:
patent: 3060024 (1962-10-01), Burg et al.
patent: 3236647 (1966-02-01), Phlipot
patent: 3390992 (1968-07-01), Valles
patent: 3637385 (1972-01-01), Hayes et al.
patent: 4215193 (1980-07-01), Manger
Naguib et al., "A New Process for Printing Fine Conductor Lines and Spacings on Large Area Substrates", presented orally, Nov. 13, 1979, in Los Angeles, Calif. at the International Society of Hybrid Microelectronics (ISHM).

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