3D atom probe in 90's Delay-line Detector(DLD) tMCP 二维阵列延迟线检测器 MCP DLD MCP Delay line Ty2 +X TX1 8 88 Metal cation. a o -X=0 HV HV pulser 1=0 -X Tx2 TX2 1kV x=Tx1-Tx2,y=Ty1-Ty2 13 Courtesy:K.Hono from NIMS1 kV Metal cation HV HV pulser P C MCP DLD tMCP t1 t2 t3 t4 t = 0 Delay-line Detector (DLD) 𝑥 = 𝑇𝑥1 − 𝑇𝑥2, 𝑦 = 𝑇𝑦1 − 𝑇𝑦2 3D atom probe in 90’s Courtesy: K. Hono from NIMS 13 二维阵列延迟线检测器