Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1978-06-16
1979-10-30
Padgett, Benjamin R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
252512, 106 113, 428433, H01B 102
Patent
active
041729196
ABSTRACT:
Compositions useful for making electrical conductor patterns on a nonconductive (dielectric) substrate, the compositions comprising certain proportions of finely divided copper, copper oxide and glass powders, dispersed in a vehicle. The compositions may be printed on a substrate and fired in a neutral atmosphere to produce conductor patterns adherent to the substrate.
REFERENCES:
patent: 2993815 (1961-07-01), Treptow
patent: 3293501 (1966-12-01), Martin
patent: 3450545 (1969-06-01), Ballard et al.
patent: 3794518 (1974-02-01), Howell
patent: 4072771 (1978-02-01), Grier, Sr.
E. I. Du Pont de Nemours and Company
Padgett Benjamin R.
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