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ETCH RATES

Etch rates (Unit = Angstroms/Minute) posted here are estimates intended to provide insight on etching of various materials.
Actual etch rates will vary depending on material stock used.

Material Etch Rate (A/min)
Ag 1050
Al 373
Al 203 48
Au 630
AZ 1350 117
Be 76
Bi 5133
C 64
CdS 1283
Co 262
Cr 309
Cu 513
Fe 204
GaAs (100) 379
GaAs (110) 933
Gap (111) 927
GaPb (111) 1091
Ge 537
Hf 385
InSb 887
Ir 344
LiNbO3 227
Mg 131
Mn 507
Mo 239
Mo2C 163
Nb 274
Ni 309
Ni80Fe2O 292
Material Etch Rate (A/min)
NiCr 309
Os 292
Pb 1517
PbTe 2199
Pd 642
Pt 362
PZT Ceramic 62
Rb 2333
Re 303
Rh 420
Riston 14 146
Ru 356
Sb 1889
Si 216
SiC 204
SiO2 192
Sn 700
Soda Glass 117
Ta 245
Ta2O5 350
TaC 87
TaN 233
Ti 192
TiOrTiW 195
V 181
W 198
Y 554
Zr 332