1OM-1505-004_w - 第177页
1OM-1505 4. Fiducial Marks : Chap.5 5-26 4. Fiducial Marks (1) T ype and Size T1E8-1 1 103-003
1OM-1505
3. Specications of Printing Stencil Plate Making : Chap.5
5-25
(9) The Range of PCB Width (Y Direction) in which Printing is Possible
Table "T1E7" shows the size of stencil frame and the applicable PCB on
which printing is possible according to the difference in the stencil plate
making reference.
For the PCB width (Y direction), the stopper pin can be positioned at
the rear, center or front according to the stencil frame size, plate making
reference and transfer reference.
Stencil Size Pin
Position
Max. Printable PCB Size
Plate Making
Reference
Paste Release Action
Restricted on the Rear Side
X
direction
Y
direction
X direction Y direction
750 750 A 510 460 Rear Not Available
Center 430 or more for PCB
Direction Y Not Available
Front 445 or more for PCB
Direction Y Not Available
736 736 B 490 381
Rear/Center/Front
None
720 720 C 470 381
Rear/Center/Front
None
750 650 E 510 381
Rear/Center/Front
None
650 750 D 330 381
Rear/Center/Front
None
650 550 E 330 250
Rear/Center/Front
None
Unit : mm
T1E7
A
B
C
D
E
F1E9
1103-002
1OM-1505
4. Fiducial Marks : Chap.5
5-26
4. Fiducial Marks
(1) Type and Size
T1E8-1
1103-003
1OM-1505
4. Fiducial Marks : Chap.5
5-27
T1E8-2
Note
(a) The error of the mark size should be within ± 10% by comparison with the
reference pattern.
(b) A through hole or a pad mark should have only one land which is directed
in increments of 45°
(2) Specications of Line extended from a pad Mark or a Through Hole.
Range of Tangent
Lines related between
Pad Mark and Land
Range of Land
Location in
Increments of 45
for Pad Mark
(Front Side of Machine)
1/3 of Side
0.5 to 2.0
0.5 to 3.0
Examples of
Land Locations
0.5 to 2.0
0.5 to 3.0
0.5 to 1.5
1.0 to 3.0
Min.0.25
45°
80°
(Front Side of Machine)
(Front Side of Machine)
(Front Side of Machine)
Range of Land
Location in
Increments of 90
for Pad Mark
Range of Land
Location for
Through Hole
(45
at the bottom
right of the hole)
(Range of Tangent
Lines related between
Pad Mark and Land)
Range of Tangent
Lines related between
Pad Mark and Land
1/3 of Side
Unit : mm
F1E10
1103-003