1. LAYER: FPCB S/S 2. Application: Medical equipment 3. Thickness : 0.06T 4. L/S: 50 micrometer /50 micrometer 5. DRILL/LAND: 200 micrometer /400 micrometer 6. Inspection spec: Zero defect on circuit 7. SPECIAL item for controlling :Stair-shape at inner circuit