测量原理(Measurement Principle)
激光干涉法(Laser Interfere)
适用范围(Scope of Application)
用于测量直径为8inch & 12inch(300mm)透明体玻璃衬底片
测量参数(Parameter)
|
Wafer |
Site |
|
GF3R(TIR) |
SBIR(LTV) |
|
GF3D(FPD) |
SBID(LDOF) |
|
GFLR(NTV) |
SF3R(LTIR) |
|
GFLD(NTD) |
SF3D(LFPD) |
|
GBIR(TTV) |
SFLR(LTIR) |
|
Bow/Warp/SORI |
SFQR(LTIR) |
|
THK |
SFQD(LFPD) |
测量精度(Specification)
|
Parameter |
Accuracy |
Repeatability |
|
Bow/Warp/Sori |
0.5µm |
0.2µm |
|
Thickness>2mm |
0.25µm |
0.02µm |
|
Thickness<2mm |
0.075µm |
0.01µm |
|
TTV |
0.05µm |
0.01µm |
测试结果(Test Result)
图形和数据(2D Drawing/3D Profile & Data)
|
干涉条纹 |
TTV(2D) |
TTV(3D) |
|
Warp/Bow (2D) |
Warp/Bow (3D) |
LTV(10*10) |