Buried-blind via PCB
Communication equipment main board
Product name: Communication equipment main board cheap chinese pcb manufacturer Characteristic 1. blind hole design. the structure is complex. the two order HDI Blind L1-L2. L7-L8 Buried holes L2-L3. L3-L6. L6-L7 Through hole L1-L8 2. the production process requires a number of lamination. for the precision of the press. alignment accuracy. drilling accuracy requirements; 3. the blind hole needs laser drilling. buried hole sink copper need special control; 4. the line width
Handheld electronic device main board
Product name: Handheld electronic device main board low cost pcb fabrication Characteristic 1. the blind buried structure is complex. first order HDI: Blind L1-L2. L5-L6 Buried L2-L5 Through hole L1-L8 2. multiple pressure. heavy copper; 3. laser drilling blind holes; 4. the line width is small. and the etching is difficult; 5. pressing. line. drilling accuracy requirements; 6. a number of times to reduce the surface of copper. manufacturing pcb china Specifications Layer