MiNY PL – full wafer micro-LED inspection system

MiNY PL – full wafer micro-LED inspection system

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Hamamatsu Photonics has developed a system for high-speed and non-invasive inspection of micro-LEDs on wafers to detect abnormalities in their external appearance, intensity and wavelength of their light emissions. This inspection system utilizes a photoluminescence (PL) measurement technique that is based on our advanced image processing technology and a newly developed imaging module with our unique optical design technology. We call this micro-LED PL inspection system the MiNY PL, type number C15740-01. This imaging module can simultaneously capture intensity and wavelength of light emitted from micro-LEDs by illuminating them with a stable light source. It allows a rapid acquisition of the photoluminescence over the whole wafer surface. By detecting the intensity and wavelength of the micro-LED emission the system makes quick pass/fail decisions to find abnormalities on the surface and semiconductor level. The MiNY PL will streamline the 100 percent inspection process of micro-LEDs in future mass production lines. https://www.hamamatsu.com/eu/en/product/semiconductor-manufacturing-support-systems/micro-led-pl-inspection-system.html
HamamatsuHamamatsu Photonics - one of the leading manufacturer of optoelectronic components, modules and systems Hamamatsu Photonics is a leading provider of cutting-edge photonics technology and products. With over 70 years of experience, the company provides innovative and customized solutions across a wide range of industries, including medical, security, semiconductor manufacturing, telecommunications, chemical analysis, biotechnology and scientific research. In the field of “printed electronics”, Hamamatsu Photonics offers the SPOLD and DDL laser processing systems, which enable efficient laser sintering of functional inks without thermal influence on the substrate (e.g. PET, PI, glass, etc.). They help to significantly improve both production speed and efficiency compared to conventional processes (oven). In encapsulation and soldering processes, the selectivity of the laser also prevents thermal stress on the electronic components. For fast and non-invasive inspection of micro LEDs on wafers, Hamamatsu Photonics offers the MiNY PL inspection system, which uses photoluminescence (PL) measurement technology to detect anomalies in the external appearance, intensity and wavelength of light emissions from micro LEDs.

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