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Process Flow Chart
Competency Analysis

● Thickness(Min) Specification:0.05mm  Mass Production:0.05mm

● Thickness(Max) Specification:1.6mm Mass Production:1.5mm

● Board Size(Min) Specification:12”*14”

● Board Size(Max) Specification:24”*28”

● Line Width / Space(Min) Specification:50/50μm Mass Production:50/62.5μm

Average Yield

● Thickness:4mil 1/1 ● Line Width:3mil ● Line Space:2.5mil ● Type:Mobile Phone

Pre-cleaning

● Sulfuric Acid-H2O2 Serious—auto-control concentration

● Microetch Rate:0.4~1.0μm

● Cupric sulfate restore machine

Roller Coater

● Roller Type:56grooves

● 5 Oven Section(1 section IR.3 section heating.1 section cooling)

● Film thickness:7.5~10.0μm

(Liquid film:MacDermid 1430)

Coating Way
Roller Groove
Auto Exposure Machine

● Resolution: 50μm

● Productivity: 3 panel/min

● Registration: 25μm

● Alignment System: Double CCD alignment

D.E.S Line

● Developer: Na2CO3 (dosing automatic by area)

● Etching:CuCl2(HCl. H2O2 system) AUQA control

● Stripping : NaOH (dosing automatic by area)