In the electronic production workshop,
especially in the development of precision technology, there are strict
requirements for the band of light in the space environment, for example , yellow
light required to produce PCB, to block a certain band of infrared radiation
for infrared sensor production multi-band light barrier product series are
provided in our company, such as 400nm ultraviolet, 420~450nm blue light, 520nm
visible light, 800~2500nm infrared ray, etc, whose form from powder, dispersion
liquid, masterbatch to thin film, to meet the needs of different customers.