YWafer Mapper GS4
![](/images/products/YWafer/GS4-800_2019.png)
100x100mm area (2 to 4 inch wafer) photoluminescence, epitaxial layer thickness mapping, wafer curvature measurement system and more for LED/LD, sensor materials, phosphors in R&D and production.
Features up to 5 pre-installed photoluminescence laser excitation sources, transmitivity, reflectivity measurement in one extremely compact design.
YWafer Mapper GS4-WL
![](/images/products/YWafer/20140808_GS4-WL_no_bkg.png)
This product has been discontinued. For custom automation of the YWafer Mapper GS4, please contact us.
YWafer Mapper RD8
![](/images/products/YWafer/RD8-CP-800_2019.png)
200x200mm area (2 to 8 inch wafer) photoluminescence, epitaxial layer thickness mapping, wafer curvature measurement system and more for LED/LD, sensor materials, phosphors in R&D and production.
Multiple options for pre-installed photoluminescence laser excitation sources, transmitivity, reflectivity measurement in one extremely compact design.
YWafer Mapper RD8-WL
![](/images/products/YWafer/RD8-WL-800_2018.png)
Robotic wafer loading equipped RD8. The clean robot may handle either 2 to 6 inch wafers (RD8-WL26) or 4 to 8 inch wafers (RD8-WL48).
200x200mm area (2 to 8 inch wafer) photoluminescence, epitaxial layer thickness mapping, wafer curvature measurement system and more for LED/LD, sensor materials, phosphors in R&D and production.
Multiple options for pre-installed photoluminescence laser excitation sources, transmitivity, reflectivity measurement in one extremely compact design.