3OM-1075-002.pdf - 第52页
(A03_08) Fiducial Marks (1) Shape and Size T able 3B16 Mark T yp e D1 [mm±10%] D2 [mm±10%] Remarks 0.5 to 3.0 0 to 2.8 • Mark Reference: Center (D1 - 0.2 D2) • D2 : Diameter of Punched Hole 0.5 to 3.0 0 to 2.8 • Mark Ref…
(A03_07) Recog Algo
Select "Pattern" or "Edge" as a P.C.B. recognition algorithm.
In normal cases, select "Pattern".
Pattern : Select this when there is enough difference in con-
trast between a fiducial mark and a P.C.B. (Rec-
ognition by Pattern Matching Method).
Fig. 3B57
Edge : Select this 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. 3B58
P.C.B.
Fiducial Mark (Bright)
P.C.B. (Bright)
Shadow of Fiducial Mark
Fiducial Mark (Bright)
2.3 Operation Data
Recog Algo
Fig. 3B56
Pattern
0206-002 2-32 AHB01EDTP
(A03_08) Fiducial Marks
(1) Shape and Size
Table 3B16
Mark Type D1 [mm±10%] D2 [mm±10%] Remarks
0.5 to 3.0 0 to 2.8 • Mark Reference: Center
(D1 - 0.2 D2) • D2: Diameter of Punched
Hole
0.5 to 3.0 0 to 2.8 • Mark Reference:
(D1 - 0.2 D2) Center of Gravity
• D2: Diameter of Punched
Hole
0.5 to 3.0 0 to 2.8 • Mark Reference:
(D1 - 0.2 D2) Center of Gravity
• D2: Diameter of Punched
Hole
0.5 to 3.0 0.2 to 1.5 • Mark Reference:
(D1 - 0.2 D2) Center of Gravity
0.5 to 3.0 0.5 to 3.0 • Mark Reference:
Center of Gravity
0.5 to 3.0 • Mark Reference:
Contact of Two Squares
0.5 to 3.0 0 to 2.8 • Mark Reference:
(D1 - 0.2 D2) Center of Gravity
• D2: Diameter of Punched
Hole
0.5 to 3.0 0 to 2.8 • Mark Reference:
(D1 - 0.2 D2) Center of Gravity
• D2: Diameter of Punched
Hole
0.5 to 3.0 • Mark Reference:
Contact of Two Fan
Shapes or Triangles
0206-002 2-33 AHB01EDTP
2.3 Operation Data
RoundSquare
Cross
Rectangle
Checker
(Square)
Diamond
(Rotated Square)
Bow Tie
Equilateral
Triangle
(Upturned)
Equilateral
Triangle
(Downturned)
Table 3B17
Mark Type D1 [mm±10%] D2 [mm±10%] Remarks
0.5 to 3.0 0.5 to 3.0 • Mark Reference:
Contact of Two Rect-
angles
1.0 to 2.0 0.5 to 1.5 • Mark Reference: Center
(D1 - 0.2 D2) • D2: Diameter of Punched
Hole
• W : Min. 0.25 mm
0.5 to 2.0 0.5 to 2.0 • Mark Reference:
Center of Gravity
(2) Mark Material
Copper Leaf (Au and Ni plating possible but mirror surface cannot
be used.)
Solder Plating (Consult our marketing department for details.)
Solder Leveler (Consult our marketing department for details.)
(3) Material for P.C.B.’s
Glass Epoxy (Consult our marketing department for hypochromic
one.)
Ceramic (Consult our marketing department for details.)
(4) Specifications of Lines extended from a Pad Mark or a Through
Hole
Unit: mm
Fig. 3B59
0206-002 2-34 AHB01EDTP
2.3 Operation Data
Checker (Rectangle)
Thru Hole
(Round)
Pad Mark
(Rectangle)