PATENT CLAIM ANALYSIS

Application Number: 15742334
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["438", "745000"]

Abstract:
Compositions useful for the selective removal of silicon germanium materials relative to germanium-containing materials and silicon-containing materials from a microelectronic device having same thereon. The removal compositions include at least one diol and are tunable to achieve the required SiGe:Ge removal selectivity and etch rates.

Claim (Index 6):
The method of  claim 1 , further comprising at least one buffering species selected from the group consisting of methanesulfonic acid, oxalic acid dihydrate, citric acid, tartaric acid, picolinic acid, succinic acid, acetic acid, lactic acid, sulfosuccinic acid, benzoic acid, propionic acid, formic acid, pyruvic acid, maleic acid, malonic acid, fumaric acid, malic acid, ascorbic acid, mandelic acid, heptanoic acid, butyric acid, valeric acid, glutaric acid, phthalic acid, hypophosphorous acid, salicylic acid, 5-sulfosalicylic acid, hydrochloric acid, ethanesulfone acid, butanesulfonic acid, p-toluenesulfonic acid, dichloroacetic acid, difluoroacetic acid, monochloroacetic acid, monofluoroacetic acid, hydrochloric acid, trichloroacetic acid, trifluoroacetic acid, hydrobromic acid (62 wt %), sulfuric acid, ammonium acetate, sodium acetate, potassium acetate, tetramethylammonium acetate and other tetraalkylammonium acetates, phosphonium acetate, ammonium butyrate, ammonium trifluoroacetate, phosphoric acid, diammonium monohydrogen phosphate, ammonium dihydrogen phosphate, bis(tetramethylammonium) monohydrogen phosphate, disodium monohydrogen phosphate, sodium dihydrogen phosphate, dipotassium monohydrogen phosphate, potassium dihydrogen phosphate, ditetraalkylammonium monohydrogen phosphate, ditetraalkylammonium dihydrogen phosphate, diphosphonium monohydrogen phosphate, phosphonium dihydrogen phosphate, ammonium phosphonate, tetraalkylammonium phosphonate, sodium phosphonate, potassium phosphonate, phosphonium phosphonate, salts thereof, and combinations thereof.

Metadata:
- Claim Count in Document: 47.0
- Percentile: 86.0
- Lexical Diversity: 1.225
- Patent Class: 438.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15108696', '14914418', '15407850', '14908888', '14378842']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.8758246320464285
- 35 USC 102 Novelty (BERT): 0.5594807075231895
- Combined Prediction Score: 0.8441902395941046
- Mean Citation Score: 312.722278
- Max Citation Score: 436.9675
- Similarity Product: 374.2686149951817

Labels:
- Claim Label 101: 1
- Claim Label 102: 1
- Claim Label 103: 0
- Claim Label 112: 0
- Combined Label: 1
- Label 101 Adjusted: 1

Dataset: test