2OM-1011-002.pdf - 第47页

2.3.4 P .E.C. Fiducial Marks (1) T ype and Size T able 2B2 2.3 OPERA TION DA T A Display 0305-001 2-28 Tg0858-PM-PM

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RECOG ALGO
Set a P.C.B. recognition algorithm.
“PATTERN”
“EDGE”
•
In normal cases, set “PATTERN” in the data box.
[PATTERN MATCHING]
Set “PATTERN” when there is enough difference in contrast
between a fiducial mark and a P.C.B. (Recognition by Pattern
Matching Method)
2.3 OPERATION DATA Display
Fig. 2B64
[EDGE DETECTION]
Set “EDGE” when there is not much difference in contrast
between a fiducial mark and a P.C.B. and the shadow of the
fiducial mark is cast around the mark. (Correction by Mark
Edge Detection Method)
Fig. 2B65
0305-001 2-27
Tg0858-PM-PM
Fig. 2B63
2.3.4 P.E.C. Fiducial Marks
(1) Type and Size
Table 2B2
2.3 OPERATION DATA Display
0305-001 2-28 Tg0858-PM-PM
Table 2B3
2.3 OPERATION DATA Display
Mark Type D1 D2 Remarks
Checker
(rectangle)
0.5 to 2.0 mm (±10%) 0.5 to 2.0 mm (±10%)
z
Mark Reference:
Contact of Two
Rectangles
Through Hole
(
round
)
1.0 to 2.0 mm (±10%)
0.5 to 1.5 mm (±10%)
z
Mark Reference:
Center
z
D2: Size of a
punched hole
z
W: Min. 0.25 mm
Pad Mark
(rectangle)
0.5 to 2.0 mm (±10%) 0.5 to 2.0 mm (±10%)
z
Mark Reference:
Center of Gravity
D1
D2
OR
D1
D2
(Front Side of
Machine)
D1
D2
OR
D1
D2
(Front Side of
Machine)
Note a
D2
D1
(Front Side of
Machine)
D2
D1
(Front Side of
Machine)
D2
D1
W
(Front Side of
Machine)
D2
W
D1
(Front Side of
Machine)
Note a
0305-001 2-29 Tg0858-PM-PM