1	EKRA Market Leading Vision and Inspection Technology
2	EKRA Vision Alignment System - EVA EKRA patented vision system EVA™ (EKRA Vision Alignment) using two CCD cameras: one dedicated to the stencil, one dedicated to the substrate Uniform LED light sources ensure no “Hot Spots“ in field of view Two light sources for substrate: Spot and diffused Programable light intensity ensuring the optimum contrast for best fidcucial quality on all substrates Enables the system to see low contrast applications (e.g. Silver on Ceramic, flex or glass) Ability to fully illuminate domed pads for most accurate alignment Up to 4 fiducials per board
3
4
5	EVA™ Vision System-Pixel Map Technology Fiducial is recorded as a pixel map of the field of view Vision system matches viewed pixel map to taught pixel map Resolution can be changed to increase or decrease accuracy based on the application
6	EKRA 2 ½ D Post Print Inspection EVA 2 ½ D – inspection system (10 x 8 mm) “NEW” EVA 2 ½ D PLUS – inspection system (17 x 14 mm) CMOS camera technology Double the speed of standard inspection systems “NEW” HSI High Speed – inspection system (17 x 14 mm) CCD camera technology X6 high speed linear camera positioning system up to 4 frames / s via linear motors Speeds equal to line scan technology but with full 2 ½ D capability High resolution camera system “High - Res“ (resolution 8 µm per pixel)
7	2¹/₂D^TM post print inspection Patented System to perform Measurement Of: Stencil Aperture Clogging Paste Brick Area Wet Paste Bridging between Pads
8	2¹/₂D^TM post print inspection Q: HOW is it done? A: Unique Lighting Technology
9	Principle of the 2¹/₂D post print inspection
10	2 1/2D Features/Benefits Simple program generation by teaching clean open apertures as the reference (not pads) Large Field of View (8mm x 10mm) inspected in 0.9 seconds No guessing of aperture reductions to get to proper acceptance criteria. Overprinting of Pads (e.g. BGA’s) can be correctly inspected Full gray scale analysis of the actual paste itself under 2 lighting conditions. High Confidence in paste deposit quality. Competitor‘s systems: White pixel counters: How many bright pixels in the pad before and after it is printed. Can be fooled by darker plating/oxidation etc.
11	2 1/2D Results