Some of the Nichia Laser Diodes are easily to get , just search the module number # by google or amazon(such as ndb7a75 , the ndb7a75 or NDB7a75, when the module # is NDB, it’s nichia brand diodes ). NDB means Nichia Diode Blue, such as NDB7a75. NDG means Nichia Diodes Green, such as NDG7475. […]