Our base systems are designed to allow a flexible integration of various inspection capabilities. The possibilities range from manually operated inspection workflows up to full automation with image analysis with specific algorithmic inspection tasks. For this purpose we provide compact handling solutions for loading wafers or frames onto various inspection systems.
Enhanced Optical System
The LuXpector EOS (Enhanced Optical System) uses high-precision optics with a very fast autofocus to quickly and reliably inspect wafers up to 300 mm in size. Microscopic defects are automatically detected on wafer top- and backside surfaces. The affected chips are marked as fail chips for further processing within the fab. A dual-arm robot handles up to three wafers simultaneously in the system, ensuring a smooth handling process. Our PVA Data Gateway serves as online-remote interface for industry 4.0 demands.
Benefits:
- Wafertype-specific and dynamic wafer detection for safe loading from cassette
- Automatic loading of 100-150 mm or 150-200 mm wafers
- Prealignment of wafer position and rotation
- Single and dual wafer handling to xy stage
- Docking compatibility for manual or automatic xy stage
- ID Reading integrated within UL200
- Footprint approx. [mm] 620x630
Enhanced Backside Inspection System
The LuXpector EBIS (Enhanced Backside Inspection System) uses two high-resolution CIS scan lines to capture images of the front- and backside of wafers simultaneously. Before starting the scanning process, a wide variety of parameters, such as e.g. white balance, hue, saturation, and many more can be set up and saved as wafer recipe individually. The scan images will be saved in a data storage and defects found during the scanning process can be marked automatically by image analysis or manually by an operator on an external review PC. The defects on both sides of the wafer will be merged effortlessly into one wafer map, marking all defects as fail dies for further processing within your fab.
Benefits:
- Zero-Click-Start for minimum operator interaction
- Automatic optical macroscopic inspection
- Simultaneous front- and backside scan
- Wafer sizes from 200 to 300 mm
- Applicable for all kinds of wafer surfaces (e.g. coated, grinded, polished, metalized)
- Anomaly detection using golden wafer analysis
- Connection through SECS / GEM and Host, supports industry 4.0
Purpose
EBIS synchronizes visual defects located on a wafer backside to the frontside chip structure. Optimize your yield by precise automatic detection or manual marking of only the affected fail chips, and thus avoiding oversized fail area classifications!
“We make your wafers transparent”
Benefits:
- Fast automatic loading and scanning process
- Full automatic macroscopic defect detection on wafer backside
- Optional visualization of complete wafer backside on the screen for defect marking or reviewing AOI results
- Transparent wafer frontside overlay on backside image during review process
- Automatic wafermap edit when backside defect is detected based on given threshold parameters
Purpose of UL200 wafer loader
The UL200 is a compact table system with a small footprint for fast automatic loading of wafers with a diameter of up to 200 mm onto a microscope either provided by us or the customer's own. This automation eliminates the need for operators to manually remove wafers from cassettes, significantly reducing the risk of damage and enhancing production efficiency.
Benefits:
- Wafertype-specific and dynamic wafer detection for safe loading from cassette
- Automatic loading of 100-150 mm or 150-200 mm wafers
- Prealignment of wafer position and rotation
- Single and dual wafer handling to xy stage
- Docking compatibility for manual or automatic xy stage
- ID Reading integrated within UL200
- Footprint approx. [mm] 620x630
UL200 Options:
- Built-in SECS/GEM connectivity
- Integrated RFID / camera-based tag reading
- Integrated WaferID reading
- Special wafer sizes like 75 mm
- Illuminated top/back macro defect inspection
- Flat/notch alignment sensors for transparent wafers
- TAIKO and thin wafer handling
- SMIF wafer loading in UL200-SMIF version
- Framed wafer loading in UL200F version
- Remote interface for external control (e.g. via VCP)
Purpose of Microscope Inspection
Automatic or manual visual microscope for wafer inspection up to 300 mm diameter, loaded manually by hand onto a motorized xy table.