PATENT CLAIM ANALYSIS

Application Number: 15997939
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2019-02
Patent Classification: ["257", "659000"]

Abstract:
A semiconductor structure, a method, and an apparatus for in-situ sulfur vapor passivation of an interface surface of an indium gallium arsenide layer of the semiconductor structure. A method includes elemental sulfur-vapor passivation of an interface surface of an indium gallium arsenide layer disposed on a substrate. A dielectric layer can be deposited on the sulfur-vapor passivated interface surface. An annealing process can be performed after the deposition of the dielectric layer. The annealing process anneals the indium gallium arsenide layer including the sulfur-vapor passivated interface surface and the dielectric layer disposed on the sulfur-vapor passivated interface surface. The sulfur-vapor passivation, the deposition of the dielectric layer, and the anneal, can be performed in-situ in a vacuum chamber without breaking a vacuum of the vacuum chamber following a III-V material growth process in the vacuum chamber to form the indium gallium arsenide layer.

Claim (Index 19):
The method of  claim 1 , further comprising:\n controlling, by a fabrication controller, at least one vacuum chamber equipped with a set of vacuum pumps, for generating and maintaining a high vacuum environment below 10 \u22123  Torr in the at least one vacuum chamber, the at least one vacuum chamber having a main chamber compartment for sulfur-vapor passivation of an interface surface of an indium gallium arsenide layer disposed on a substrate located in a work area in the main chamber compartment; heating, by a sulfur source heating chamber compartment, a material comprising sulfur to a temperature of at least 150\u00b0 C. to generate thermally-cracked pure sulfur vapor flux in the sulfur source heating chamber; transferring sulfur vapor flux generated in a sulfur source heating chamber compartment through a sulfur vapor thermally cracking zone channel to the work area in the main chamber compartment; heating the sulfur vapor flux while transferred through the sulfur vapor thermally cracking zone channel to a temperature of at least 700\u00b0 C. to generate highly reactive thermally-cracked pure sulfur vapor flux that is more reactive than the sulfur vapor flux generated in the sulfur source heating chamber; and holding, by a substrate holder in the work area, at least one substrate with an indium gallium arsenide layer disposed on each of the at least one substrate, the indium gallium arsenide layer having an exposed interface surface, such that an output end of the sulfur vapor thermally cracking zone channel is aimed toward the substrate holder in the work area in the main chamber compartment to uniformly distribute the thermally-cracked pure sulfur vapor flux from the output end directly onto the exposed interface surface of the indium gallium arsenide layer disposed on each of the at least one substrate held by the substrate holder in the work area in the main chamber compartment of the at least one vacuum chamber.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 94.0
- Lexical Diversity: 2.8
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['16000053', '15670300', '15855273', '15815997', '15404462']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9192296955526494
- 35 USC 102 Novelty (BERT): 0.5949864086576904
- Combined Prediction Score: 0.8868053668631536
- Mean Citation Score: 318.62292
- Max Citation Score: 508.6133
- Similarity Product: 480.3634796449304

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 1
- Claim Label 112: 1
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test