The COB packing is more reasonable than traditional SMD packing. the COB packing is that single or various led chip pacing in to aluminum substrate.aluminum substrate for heat dissipation. the COB packing is low heat resister, the low heat resister lit well-distributed is the advantage .so the COB widely applicable to the lighting field

Attentions in use:
The COB afraid static electrical, so ant-static electrical is necessary , especially the static electrical is bigger that max specified value. it will damage the cob. the user must adopted a resolution for ant-static electrical,

Welding
The power of welding machine be lower 20W and work temperature of welding machine is not higher than 300℃, the welding time no more than three seconds.
Clean COB
After welding please using ultrasonic to clean the COB