2OM-1104-001.pdf - 第38页

(8) Fiducial Marks P .E.C. Fiducial Marks Material • Copper Leaf (Au and Ni plating possible but mirror surfaces cannot be used.) • Solder-Plated Marks (Consult our marketing department for details.) • Solder Leveler (Co…

(6) Level

Set the threshold levels of the fiducial marks.

High : Both identity and similarity between the shape of a fidu-

cial mark and the real image are detected on a high level.

Middle : Either identity or similarity between the shape of a fidu-

cial mark and the real image are detected on a middle

level.

Low : Both identity and similarity between the shape of a fidu-

cial mark and the real image are detected on a low level.

Identity:

Identity between the shapes of the specified mark and the

real image (including the size)

Similarity:

Similarity between the shapes of the specified mark and

the real image

(7) Lighting

A lighting mode can be specified to illuminate the P.C.B.

Only “Normal” can be selected for the standard machine (stan-

dard specifications).

Normal

Select this when there is enough difference in contrast between a

fiducial mark and a P.C.B. (Recognition by Pattern Matching

Method)

Fig. 3B48

P.C.B.

Fiducial Mark

(Bright)

Level

High

Fig.3B46

0106-002 Chapter 1 2 14 AFU01EDTP

1.2 Operation Data

Lighting

Normal

Fig.3B47

(8) Fiducial Marks

P.E.C. Fiducial Marks

Material

• Copper Leaf (Au and Ni plating possible but mirror surfaces cannot be used.)

• Solder-Plated Marks (Consult our marketing department for details.)

• Solder Leveler (Consult our marketing department for details.)

Type and Size

Table 3B2

0004-001 Chapter 1 2 15 AFU01EDTP

1.2 Operation Data

Table 3B3

A through hole or a pad mark should have only one lead which is di-

rected in increments of 45 .

Consult our marketing department for details such as dimensions, etc.

0009-002 Chapter 1 2 16 AFU01EDTP

1.2 Operation Data