... 2. High efficiency 3. MTTF more than 4000Hrs in normal use condition 4. Light shape is in B grade Applications:1,Laser ... / measuing instrument3,Bar code reader A-laser is specilized in encapsulation,testing, producing of the semiconductor laser diode ,and we can do the OEM ... than 4 million PCS per month.The wavelength for the laser diode have below series: 635nm650 nm,660 nm,780 nm,808 ...