00195941-03-UM SiplaceCA-EN.pdf - 第230页
3 Technical Data User Manual SIPLACE CA 3.13 Vision Cameras Edition 08/2011 EN 230 3.13.6 PCB Camera Multicolor , T ype 34, Digital 3.13.6.1 Stru cture 3 Fig. 3.13 - 7 PCB camera multicolor , type 34, dig ital (1) PCB ca…
User Manual SIPLACE CA 3 Technical Data
Edition 08/2011 EN 3.13 Vision Cameras
229
3.13.5 Component Camera, Stationary, P&P, Type 33, 55 x 45, Digital
3.13.5.1 Structure
3
Fig. 3.13 - 6 Structure for the stationary P&P component camera, type 33, 55 x 45, digital
3.13.5.2 Technical Data
3
(1) Camera housing with integral camera
and camera amplifier
(2) Glass plate - illumination and lens below
Component dimensions 0.5 mm x 0.5 mm to 55 mm x 45 mm
Range of components 0402 to SO, PLCC, QFP, BGA, special component, bare die, flip
chip
Min. lead pitch 0.3 mm
Min. lead width 0.15 mm
Min. ball pitch 0.35 mm
Min. ball diameter 0.2 mm
Field of vision 65 mm x 50 mm
Illumination method Front-illumination (6 levels, programable as required)
3 Technical Data User Manual SIPLACE CA
3.13 Vision Cameras Edition 08/2011 EN
230
3.13.6 PCB Camera Multicolor, Type 34, Digital
3.13.6.1 Structure
3
Fig. 3.13 - 7 PCB camera multicolor, type 34, digital
(1) PCB camera lens and illumination
(2) Camera amplifier
3.13.6.2 Technical Data
3
PCB fiducials Up to 3 (subpanels and multiple panels)
Up to 6 for the Long board option (Optional PCB fiducials are
output by the optimization.)
Local fiducials Up to 2 per PCB (may be of different type)
Library memory Up to 255 fiducial types per subpanel
Image analysis Edge detection method(singular Feature) on basis of the gray-
scale value
Illumination method Front-illumination (3 levels, programable as required)
Detection time
per fiducial/bad fiducial
20 ms - 200 ms
Field of vision 5,78 mm x 5,78 mm
Distance of focus level 28 mm
User Manual SIPLACE CA 3 Technical Data
Edition 08/2011 EN 3.13 Vision Cameras
231
3.13.6.3 Fiducial-Criteria
3
Locate 2 fiducials
Locate 3 fiducials
X-/Y-position, rotation angle, mean PCB distortion
Additionally: shearing, distortion separately in X and Y direction
Fiducial shapes Synthetic fiducials: circle, cross, square, rectangle, diamond,
circular, square and rectangular contours, double cross
Pattern: any
Fiducial surface
Copper
Tin
Without oxidation and solder resist
Curvature 1/10 of the structure width, respectivly with good
contrast to the surroundings
Dimensions of synthetic fiducials
Min. X/Y size for circle and rectangle:
Min. X/Y size for annulus and rectangle:
Min. X/Y size for cross:
Min. X/Y size for double-cross:
Min. X/Y size for rhombus:
Min. frame width for annulus and rectangle:
Min. bar width / bar distance for cross, double-cross:
Max. X/Y size for all fiducial shapes:
Max. bar width for cross, double-cross:
Min. tolerances, general:
Max. tolerances, general:
0.25 mm
0.3 mm
0.3 mm
0.5 mm
0.35 mm
0.1 mm
0.1 mm
3 mm
1.5 mm
2% of nominal dimension
20% of nominal dimension
Dimensions of patterns
Min. size
Max. size
0.5 mm
3 mm
Fiducial environment Clearance around reference fiducial not necessary if there is no
similar fiducial structure in the search area.