Transparent substrate provided with electroconductive strips

Details Transparent substrate provided with electroconductive strips Transparent substrate provided with electroconductive strips

2006-05-30

2006-05-30

Vigushin, John B. (Department: 2841)

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

C174S257000, C219S203000, C219S547000, C219S548000, C427S108000, C427S163100, C427S164000, C427S165000, C427S259000, C427S282000

Reexamination Certificate

active

07053313

ABSTRACT:
The present invention relates to a method of manufacturing electrically conducting tracks on a transparent substrate, by screen printing with an electrically conducting paste, and to the transparent substrate provided with said tracks.According to the invention, conducting tracks are formed with a width less than or equal to 0.3 mm by applying, by screen printing, a thixotropic electrically conducting paste having a ratio of the viscosity without shear stress to the viscosity under shear stress under screen-printing conditions of at least 50 and having a silver content greater than 35% and of which at least 98% of the particles which form it have a size less than 25 μm, by means of a screen having at least 90 threads per cm, the coating of said screen being provided with slots, the narrowest width of which is equal to 0.25 mm±0.05 mm, and by subjecting said tracks to baking.

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