Orilind Limited Company
28-layer Multilayer PCB board, Base Material: FR4 TG 180. inner/outer copper thickness 1 oz. Immersion Gold surface treatment with green color soldermask. White color Legend.board thickness 3.6 mm. Min.line width/Min.line spacing 0.18/0.18 mm. E-test: 100%
Most of multilayer PCB boards are designed with impedance. There are two impedance tester in our factory.General single end impedance at 50 ohm, differential 100 ohm. Tolerance 10%.