PATENT CLAIM ANALYSIS

Application Number: 15971538
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-11
Patent Classification: ["438", "476000"]

Abstract:
A gettering layer forming method includes a coating step of applying a solution of metal salt to a back side of a wafer, and a diffusing step of heating the wafer after performing the coating step, thereby diffusing the metal salt on the back side of the wafer to form a gettering layer containing the metal salt on the back side of the wafer, in which the metal salt is diffused in the gettering layer.

Claim (Index 3):
The gettering layer forming method according to  claim 1 , wherein the metal salt contains divalent metal, and the gettering layer contains 1\u00d710 13  atoms or more of the divalent metal per cm 2 .

Metadata:
- Claim Count in Document: 1.0
- Percentile: 93.0
- Lexical Diversity: 2.32353
- Patent Class: 438.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15971201', '13451283', '15594073', '15225360', '13450968']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8689189699073762
- 35 USC 102 Novelty (BERT): 0.4865348694527476
- Combined Prediction Score: 0.8306805598619132
- Mean Citation Score: 209.07581800000003
- Max Citation Score: 270.8616
- Similarity Product: 268.86862868628504

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