Incorrect operating method will cause serious influence to product performance.
The use of stencil printing and dispensing glue will effectively reduce the defective rate.
5~10 times higher cost in manual cloth glue.
JESD51 series standards of LEDEC organization: to conduct structure and thermal reliability analysis according to the TJ and the pressure drop of approximate linear relationship.
LED lighting TJ test method: the first standard of National lighting quality inspection center technology alliance ---- CALT001 was issued in 2014.