LED production process
Date:2011-04-13 15:17
Status:Be resolved
Question:admin
l baking
Baking temperature of 150 degrees after roasting 1.5 hours
Fifth step:General defective solid crystal :
Solid lie, Solid leak ,Solid diagonal ,Small plastic ,Polycrystalline ,Chip damage ,Short mat (electrode off Flip Chip ,Silver plastic more than 1 / 3 height of glue chip (more glue) ;Adhesive joints
Sixth step:wire welding
Machine temperature of 170-220 degrees Celsius
Single wire: 220 degrees Double wire: 180 degrees
Wire bonding 715g
Wire arc higher than the chip height is les
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