Stock material or miscellaneous articles – Structurally defined web or sheet – Including grain – strips – or filamentary elements in...
Patent
1988-07-29
1990-12-25
Ryan, Patrick
Stock material or miscellaneous articles
Structurally defined web or sheet
Including grain, strips, or filamentary elements in...
428137, 428209, 428294, 428901, 361397, 361398, 174255, B32B 302
Patent
active
049802178
ABSTRACT:
The reinforcing fibers in a printed circuit board laminate are arranged in an ordered manner to leave fiber-free zones for the formation of holes. The holes may be oblong to enhance the connection to electrical leads of components mounted on the printed circuit board. The holes may be oriented with their long dimensions transverse to the side of an electrical component, and the electrical component may have its leads correspondingly oriented, to improve wiring flexibility and allow more direct wiring paths.
REFERENCES:
patent: 3258387 (1966-06-01), Brown et al.
patent: 3972765 (1976-08-01), Kondo et al.
patent: 3988408 (1976-10-01), Haining et al.
patent: 4550051 (1985-10-01), Spielau et al.
Jerry Murray, "Today's Substrates," Nov. 1987, Circuit Manufacturing-pp. 25-28.
Grundfest Joseph A.
Grundfest Michael A.
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