Finger line screen printing method and apparatus

Details Finger line screen printing method and apparatus Finger line screen printing method and apparatus

1985-02-12

1986-08-05

Smith, John D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427282, 427102, H05K 306

Patent

active

046042989

ABSTRACT:
A method of screen printing a conductive ink onto a substrate to form a pattern of narrow, closely spaced conductive lines. Before screening, the conductive ink is exposed to ambient air until its viscosity is in the range 700,000 to 900,000 centipoise at 70.degree. Fahrenheit.

REFERENCES:
patent: 3663276 (1972-05-01), Allington
patent: 3950200 (1976-04-01), Muramoto
patent: 4037315 (1977-07-01), Stapleton
patent: 4343833 (1982-08-01), Sawae
patent: 4481881 (1984-11-01), Okano
Kadota et al., "Gold Conductor Pastes for High Density Circuit" Electrocomponent Science and Technology, 1981, vol. 9, No. 1, pp. 31-41.
Goklman, "Control of Paste Spreading in Screening Process" IBM TDB vol. 19, No. 11, Apr. 1977, pp. 4263.64.
Hashimoto, "Selective Glaze for Last Line Visible Thermal Head" Electrocomponent Science and Technology, 1981, vol. 8, Nos. 1 & 2, pp. 115-121.

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