OPV is one of the most promising future technologies in the PV industry.[more]
In-Line Scanner for High-Density Optical Media: Blu-ray Disc, HD-DVD, ...
One Step Ahead for the Challenging Needs of High-Density Discs
New high-density disc formats are based on blue laser technology, enabling a strong increase in recording density. The challenging needs of higher density prerecorded and rewritable discs make great demands on inspection and measurement systems. They must be much more accurate than for DVD, particularly the measurement of layer thickness requires a far higher precision. Dr. Schenk is one step ahead, supplying dedicated high performance ISM.blue scanners to leading disc manufacturers worldwide, supporting their very first pilot runs.
The ISM.blue utilizes high resolution CCD line-scan cameras with up to 4096 pixels to accomplish double resolution for the accurate and reliable detection of local defects. Extremely high tangential resolution is available for the measurement of space layer and cover layer thickness, as well as for disc deformation. In addition, a large set of features are available to enhance the ISM.blue, according to every customer’s specific needs.
High Speed Inspection Technology
- Reliable detection of local defects on layer L0 after sputtering
- Reliable detection of local defects after surface transfer process
- Reliable detection of local defects on layer L1 after sputtering
- Reliable detection of local defects in reflection mode on final discs
High Precision Measurement Technology
- Radial and tangential disc deformation measurement → 4000 measurement points per disc
- Space layer and cover layer thickness measurement → 1600 measurement points per disc
Optional Inspection and Measurement Channels
- Enhanced acceleration defect detection with additional inspection channel
- Reflectivity measurement over the entire disc
- Layer stack measurement
- Crack sensor to detect cracks in the center hole area
- Barcode reader
- Header evaluation
- NetSis - Networking Schenk Inspection System
