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Title: Method of plasma etching GA-based compound semiconductors

Patent ·
OSTI ID:1082931

A method of plasma etching Ga-based compound semiconductors includes providing a process chamber and a source electrode adjacent thereto. The chamber contains a Ga-based compound semiconductor sample in contact with a platen which is electrically connected to a first power supply, and the source electrode is electrically connected to a second power supply. SiCl.sub.4 and Ar gases are flowed into the chamber. RF power is supplied to the platen at a first power level, and RF power is supplied to the source electrode. A plasma is generated. Then, RF power is supplied to the platen at a second power level lower than the first power level and no greater than about 30 W. Regions of a surface of the sample adjacent to one or more masked portions of the surface are etched at a rate of no more than about 25 nm/min to create a substantially smooth etched surface.

Research Organization:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC52-07NA27344
Assignee:
The Board of Trustees of the University of Illinois (Urbana, IL)
Patent Number(s):
8,343,878
Application Number:
12/638,721
OSTI ID:
1082931
Country of Publication:
United States
Language:
English

References (29)

Dry etch recess of an InGaAs/InAlAs/InP HEMT like structure using a low energy high density SiCl/sub 4/ plasma (ICP) conference January 1998
Dry etching method for a gallium nitride type compound semiconductor patent December 1997
Investigation of GaAs Dry Etching in a Planar Inductively Coupled BCl[sub 3] Plasma journal January 2004
High aspect ratio GaAs nanowires made by ICP-RIE etching using Cl2/N2 chemistry journal May 2008
Nanohole Arrays with Sub-30 nm Diameter Formed on GaAs Using Nanoporous Alumina Mask journal July 2007
Dry etching method and semiconductor device patent-application October 2005
Cl[sub 2] plasma passivation of etch induced damage in GaAs and InGaAs with an inductively coupled plasma source
  • Berg, E. W.; Pang, S. W.
  • Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 17, Issue 6 https://doi.org/10.1116/1.591056
journal January 1999
Sidewall passivation assisted by a silicon coverplate during Cl[sub 2]–H[sub 2] and HBr inductively coupled plasma etching of InP for photonic devices
  • Bouchoule, S.; Patriarche, G.; Guilet, S.
  • Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 26, Issue 2 https://doi.org/10.1116/1.2898455
journal January 2008
Smooth and vertical-sidewall InP etching using Cl[sub 2]/N[sub 2] inductively coupled plasma
  • Lin, Jie; Leven, Andreas; Weimann, N. G.
  • Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 22, Issue 2 https://doi.org/10.1116/1.1648066
journal January 2004
N2-Based ICP-RIE Etching for InP-Based Photonic Crystal Membranes conference May 2007
Study of GaAs and GaInP etching in Cl2/Ar electron cyclotron resonance plasma journal August 2001
Geometrical pattern effect on silicon deep etching by an inductively coupled plasma system journal February 2004
Effect of H[sub 2] on the etch profile of InP/InGaAsP alloys in Cl[sub 2]/Ar/H[sub 2] inductively coupled plasma reactive ion etching chemistries for photonic device fabrication
  • Rommel, Sean L.; Jang, Jae-Hyung; Lu, Wu
  • Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 20, Issue 4 https://doi.org/10.1116/1.1486232
journal January 2002
Study of grass formation in GaAs backside via etching using inductively coupled plasma system
  • Nam, P. S.; Ferreira, L. M.; Lee, T. Y.
  • Journal of Vacuum Science & Technology B: Microelectronics and Nanometer Structures, Vol. 18, Issue 6 https://doi.org/10.1116/1.1320803
journal January 2000
The effect of hydrogen as an additive in reactive ion etching of GaAs for obtaining polished surface journal November 2006
High-density plasma etching of compound semiconductors
  • Shul, R. J.; McClellan, G. B.; Briggs, R. D.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 15, Issue 3 https://doi.org/10.1116/1.580696
journal May 1997
Anisotropic etching of InP with low sidewall and surface induced damage in inductively coupled plasma etching using SiCl4
  • Etrillard, J.; Ossart, P.; Patriarche, G.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 15, Issue 3 https://doi.org/10.1116/1.580695
journal May 1997
Fabrication of high-aspect-ratio, sub-micron gratings in AlGaInP/GaAs laser structures using a BCl 3 /Cl 2 /Ar inductively coupled plasma journal August 2007
Fabrication method of nitride-based semiconductors and nitride-based semiconductor fabricated thereby patent January 2005
Smooth reactive ion etching of GaAs using a hydrogen plasma pretreatment journal January 1995
Method of surface treatment of semiconductor substrates patent April 2000
Optimization of gas flow and etch depth uniformity for plasma etching of large area GaAs wafers journal May 2002
Advanced selective dry etching of GaAs/AlGaAs in high density inductively coupled plasmas
  • Lee, J. W.; Devre, M. W.; Reelfs, B. H.
  • Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films, Vol. 18, Issue 4 https://doi.org/10.1116/1.582329
journal July 2000
Inductively coupled plasma etching of GaAs low loss waveguides for a traveling waveguide polarization converter, using chlorine chemistry journal January 2004
A low damage RIE process for the fabrication of compound semiconductor based transistors with sub-100nm tungsten gates journal April 2006
Etching Characteristics and Mechanism of InP in Inductively Coupled HBr/Ar Plasma journal August 2008
Deeply etched waveguide structures for quantum cascade lasers journal April 2006
Reactive ion etching lag on high rate oxide etching using high density plasma journal November 1995
Processing of deeply etched GaAs/AlGaAs quantum cascade lasers with grating structures journal January 2004

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