Semiconductor device manufacturing: process – Coating of substrate containing semiconductor region or of... – Multiple layers
Patent
1996-03-21
1997-09-09
Bowers, Jr., Charles L.
Semiconductor device manufacturing: process
Coating of substrate containing semiconductor region or of...
Multiple layers
438779, H01L 2102
Patent
active
056656580
ABSTRACT:
A method of forming a stable semiconductor device on an at least partially completed semiconductor device including a supporting semiconductor structure of III-V material having a clean and atomically ordered surface to be coated with a dielectric layer structure. A relatively thin layer of Ga.sub.2 O.sub.3 is deposited on the surface by evaporation using a high purity single crystal of material including Ga.sub.2 O.sub.3 and a second oxide, such as MgO or Gd.sub.2 O.sub.3. A second layer of material with low bulk trap density relative to the Ga.sub.2 O.sub.3 is deposited on the layer of Ga.sub.2 O.sub.3 to complete the dielectric layer structure.
REFERENCES:
patent: 4297176 (1981-10-01), Hannah et al.
patent: 5451548 (1995-09-01), Hunt et al.
patent: 5550089 (1996-08-01), Dutta et al.
Acosta Vanessa
Bowers Jr. Charles L.
Motorola
Parsons Eugene A.
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