| 
								 Workstation  | 
								
								 Content  | 
							
							
								| 
								 Inner layer 
								imaging  | 
								
								 Both wet and dry 
								film, auto-exposure machines from Japan, 
								horizontal etching lines from Germany, enhancing 
								the capability to produce min. 40μm -thick CCL 
								and min. width/gap 40μm/40μm.  | 
							
							
								| 
								 Laminating  | 
								
								 Leading 
								integrated hot and cold laminating machines from 
								Germany, able to process up to 40-layer PCB. 
								Pressing the min. thickness of 0.20mm, the max. 
								thickness of 5mm or more, with excellent 
								thickness uniformity.  | 
							
							
								| 
								 Mechanical 
								drilling  | 
								
								 HITACHI CNC 
								drilling machines to ensure the min. hole 
								diameter of 0.10mm with high precision.  | 
							
							
								| 
								 Laser drilling  | 
								
								 HITACHI CNC laser 
								drilling machines to ensure the min. hole 
								diameter 0.075mm, drilling speed 20,000 holes / 
								min or more, high-density interconnect board 
								producing.  | 
							
							
								| 
								 Copper plating  | 
								
								 Pulse plating / 
								Continuous vertical panel plating, special tools 
								for 40μm -thick CCL ,to achieve Aspect Ratio 
								with 20:1 and good copper distribution COV≤6%.  | 
							
							
								| 
								 Copper 
								electroplating micro via filling  | 
								
								 Applying selected 
								special chemical additives ,optimized  electroplating process parameter ,together with 
								the appropriate electroplating equipment, to  fulfill the high-end customer's requirement on 
								high quality of high board thickness to via 
								diameter ratio blind via and through via filling 
								capability, to ensure the reliability of the HDI 
								PCB.  | 
							
							
								| 
								 Solder mask print  | 
								
								 E-spray 
								technology, able to print over 0.1mm thin PCB, 
								and max.12 oz heavy copper with solder mask 
								thickness≥5um on trace edge.  | 
							
							
								| 
								 Electrical Test  | 
								
								 Four-terminal 
								tester, the min. test pad diameter at 0.1mm, 
								min. test resistance at 10 milliohms to ensure 
								quality and reliability of the HDI PCB.  | 
							
							
								| 
								 Special carbon 
								printing  | 
								
								 Special 
								configuration of the carbon & dielectric paste 
								print line, life test up to 18 million cycles to 
								ensure product reliabilities.  |