Construction:6 Layer 1-level HDI with buried vias 1+(4)+1Base Material:Tg150℃ FR4Surface Finish:ENIG
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                         
                                    
                                        
                                            
                                            
                                            
                                            
                                                
                                                    Specifications  Items Characteristics Operating Temperature Range -40ºC~+105ºC Rated Voltage Range 200~450Vdc Capacitance Tolerance ±20%(M)                                                       (25ºC, 120Hz) Leakage Current 200~450Vdc Where,I:max.leakage current(μA),C:Nominal capacitance(μ F),V:Rated voltage(V)               (At 25ºC after 5 minutes) I≤0.03 CV  Dissipation Factor (tanδ) Rated voltage(VdC) 200 250 350...
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                         
                                    
                                        
                                            
                                            
                                            
                                            
                                                
                                                    Higher Layer productApplication:Telecommunication
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                         
                                    
                                        
                                            
                                            
                                            
                                            
                                                
                                                    1、Metal PCB2、High thermal conductivity required3、V-CUT  required,the left thickness is 0.5mm4、Top soldermask color:matt-Green;bottom soldermask color:matt-Black
                                                
                                            
                                            
                                            
                                            
                                            
                                            
                                         
                                    
                                        
                                            
                                            
                                            
                                            
                                                
                                                    1、HDI structure:2+N+2 with stacked vias2、Laser micro vias(0.1mm big):L1-L2、L3-L4、L16-L15、L15-L143、Buried hole between L2 and L15.Buried holes are filled with resin and plated over by copper.4、Specific impedance control with 50+/-5 Ohms and differential  impedance control with 85+/-8.5 Ohms