/usr/share/pcb/pcblib-newlib/geda/SO18N.fp is in pcb-common 20110918-7.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 | # number of pads
# pad width in 1/1000 mil
# pad length in 1/1000 mil
# pad pitch 1/1000 mil
# seperation between pads on opposite sides 1/1000 mil
# X coordinates for the right hand column of pads (1/100 mils)
# pad clearance to plane layer in 1/100 mil
# pad soldermask width in 1/100 mil
# silk screen width (1/100 mils)
# figure out if we have an even or odd number of pins per side
# silk bounding box is -XMAX,-YMAX, XMAX,YMAX (1/100 mils)
# element_flags, description, pcb-name, value, mark_x, mark_y,
# text_x, text_y, text_direction, text_scale, text_flags
Element[0x00000000 "Small outline package, narrow (150mil)" "" "SO18N" 0 0 -2000 -6000 0 100 0x00000000]
(
#
# Pad[x1, y1, x2, y2, thickness, clearance, mask, name , pad number, flags]
Pad[ -13500 -20000
-7000 -20000
2000 1000 3000 "1" "1" 0x00000100]
Pad[ -13500 -15000
-7000 -15000
2000 1000 3000 "2" "2" 0x00000100]
Pad[ -13500 -10000
-7000 -10000
2000 1000 3000 "3" "3" 0x00000100]
Pad[ -13500 -5000
-7000 -5000
2000 1000 3000 "4" "4" 0x00000100]
Pad[ -13500 0
-7000 0
2000 1000 3000 "5" "5" 0x00000100]
Pad[ -13500 5000
-7000 5000
2000 1000 3000 "6" "6" 0x00000100]
Pad[ -13500 10000
-7000 10000
2000 1000 3000 "7" "7" 0x00000100]
Pad[ -13500 15000
-7000 15000
2000 1000 3000 "8" "8" 0x00000100]
Pad[ -13500 20000
-7000 20000
2000 1000 3000 "9" "9" 0x00000100]
Pad[ 13500 20000
7000 20000
2000 1000 3000 "10" "10" 0x00000100]
Pad[ 13500 15000
7000 15000
2000 1000 3000 "11" "11" 0x00000100]
Pad[ 13500 10000
7000 10000
2000 1000 3000 "12" "12" 0x00000100]
Pad[ 13500 5000
7000 5000
2000 1000 3000 "13" "13" 0x00000100]
Pad[ 13500 0
7000 0
2000 1000 3000 "14" "14" 0x00000100]
Pad[ 13500 -5000
7000 -5000
2000 1000 3000 "15" "15" 0x00000100]
Pad[ 13500 -10000
7000 -10000
2000 1000 3000 "16" "16" 0x00000100]
Pad[ 13500 -15000
7000 -15000
2000 1000 3000 "17" "17" 0x00000100]
Pad[ 13500 -20000
7000 -20000
2000 1000 3000 "18" "18" 0x00000100]
ElementLine[-15500 -22000 -15500 22000 1000]
ElementLine[-15500 22000 15500 22000 1000]
ElementLine[ 15500 22000 15500 -22000 1000]
ElementLine[-15500 -22000 -2500 -22000 1000]
ElementLine[ 15500 -22000 2500 -22000 1000]
# punt on the arc on small parts as it can cover the pads
ElementArc[0 -22000 2500 2500 0 180 1000]
)
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