Tantalum Etch (Ta)

Ta Etch
1 µm deep etch

Inductively Coupled Plasma ICP - RIE

  • Cl based process
  • Anisotropic etch
  • Rate: > 60 nm/ min
  • Selectivity to ebeam resist > 2 :1
  • Selectivity to Al2O3 mask > 16 :1
  • Very high selectivity to underlaying SiN or SiC (X ray mask absorber on SiN or SiC membrane)
  • Uniformity over 4" dia area: < +/- 4 %
  • Low damage etch at < 40 Volt self bias
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Related Information

Etch Processes - Etching Processes
GaAs/AlGaAs Etching - Gallium Arsenide/Aluminium Gallium Arsenide Etch
InSb Etching - Indium Antimonide Etch
InGaAlP Etching - Aluminium gallium indium phosphide Etch
GaSb Etching - Gallium Antimonide Etch
Deep GaP Etching - Gallium Phosphide Etch
InP Etching - Indium Phosphide Etch
ZnSe Etching Zinc Selenide Etch
InAlAs Etching - Indium Aluminium Arsenide Etch
InP/ InGaAsP Etching - Indium Phosphide/ Indium Gallium Arsenide Etch
GaN Etching, Gallium Nitride Etch, Gallium Nitride Etching
Aluminium Etch, Al Etching
Au Etching - Gold Etch
Cr Etching - Chromium Etch
Cu Etching - Copper Etch
Pr Etching - Photoresist Etch
Silyated Photoresist Etching - Silyated Photoresist Etch
Polyimide Etching - Polyimide Etch
PMMA Etching - Polymethyl Methacrylate Etch
PDMS Etching - Polydimethylsiloxane Etch
Diamond Etching - Diamond Etch
BCB ICP Etching - Benzocyclobutene Etch
LiNbO3 Etching - Lithium Niobate Etch
LiTaO3 Etching - Lithium Tantalum Oxide Etch
SiC Etching - Silicon Carbide Etch
PZT Etching - Lead Zirconium Titanate Etch
ITO Reactive Ion Etching - Indium Tin Oxide Etch
Al2O3 Etching - Aluminium Oxide Etch - Sapphire ICP Etching
PbSe Etching - Lead Selenide Etch
Bi2Te3 Etching - Bismuth Telluride Etch
Ta2O5 Etching - Tantalum Pentoxide Etch
GST Etching - Germanium Antimony Telluride Etching
Mo Etch - Molybdenum Etch
Nb Etching - Niobium Etch
Ni Etching - Nickel Etch
NiCr Etching - Nichrome Etch
Pt Etching - Platinum Etch
Ti Etching - Very Deep Titanium Etch
TiN Etching - Titanium Nitride Etch
W Etching - Tungsten Etch
WSi Etching - Tungsten Silicide Etch
Si Bosch Etching - Silicon Bosch Etch
Si Cryogenic Etching - Silicon Cryogenic Etch
Si Mixed Etching - Silicon (C4F8 - SF6) Etch
Silicon Hydrogen Bromide Etch (Si HBr)
Si (isotropic) Etching - Isotropic Silicon Etch
SiGe Etching - Silicon Germanium Etch
SOI Bosch Etching - Silicon-on-Insulator Bosch Etch
GaAs/AlGaAs Heterostructures: RIB/CAIBE Galium Arsenide/Aluminium Galium Arsenide Heterostructures: Reactive Ion Beam/Chemically Assisted Ion Beam Etch

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