Metal working – Method of mechanical manufacture – Electrical device making
Patent
1992-09-24
1994-12-20
Arbes, Carl J.
Metal working
Method of mechanical manufacture
Electrical device making
29847, 29745, H01K 310
Patent
active
053736281
ABSTRACT:
An automatic wiring method includes a first step of finding locations at which diagonal wiring is required at the time of wiring processing, a second step of approximating the shapes of part pins associated with these locations by rectangular shapes and reducing and changing these approximated shapes into shapes capable of being wired by 90.degree. turns, a third step of executing automatic wiring processing for 90.degree. turns, a fourth step of finding a location at which a clearance between a wiring pattern obtained by the wiring processing for 90.degree. turns and an actual part pin becomes less than a stipulated value and a clearance error is generated, and a fifth step of shaping a 90.degree.-turn wiring pattern at this location into a diagonal wiring pattern so as to satisfy the clearance.
REFERENCES:
patent: 4627162 (1986-12-01), Holt
patent: 4648180 (1987-03-01), Holt
patent: 4734980 (1988-04-01), Nakamura et al.
patent: 4934044 (1990-06-01), Hasegawa
IBM Technical Disclosure Bulletin vol. 11, No. 12 May 1969 p. 1699 by J. T. Kolias.
Oka Tsuneo
Suehiro Akihiko
Arbes Carl J.
Fujitsu Limited
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