PATENT CLAIM ANALYSIS

Application Number: 15892487
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-06
Patent Classification: ["250", "3960ML"]

Abstract:
An apparatus for the creation of high current ion beams is disclosed. The apparatus includes an ion source, such as a RF ion source or an indirectly heated cathode (IHC) ion source, having an extraction aperture. Disposed proximate the extraction aperture is a bias electrode, which has a hollow center portion that is aligned with the extraction aperture. A magnetic field is created along the perimeter of the hollow center portion, which serves to contain electrons within a confinement region. Electrons in the confinement region energetically collide with neutral particles, increasing the number of ions that are created near the extraction aperture. The magnetic field may be created using two magnets that are embedded in the bias electrode. Alternatively, a single magnet or magnetic coils may be used to create this magnetic field.

Claim (Index 1):
An apparatus for creating a high current ion beam, comprising:\n an ion source for generating positive ions, comprising a plurality of chamber walls defining an ion source chamber, having a first chamber wall and a second chamber wall, opposite the first chamber wall, that includes an extraction aperture, wherein a plasma is created within the ion source chamber; a bias electrode disposed within the ion source chamber between the first chamber wall and the second chamber wall and proximate the extraction aperture, having an inner surface defining a perimeter of a hollow center portion that is aligned with the extraction aperture; and a magnetic field disposed along the perimeter of the hollow center portion, creating a confinement region for electrons proximate the inner surface, wherein electrons are confined within the confinement region and collide with neutral particles to create a high density localized plasma near the extraction aperture, wherein positive ions are created in the ion source chamber between the first chamber wall and the bias electrode, and pass through the hollow center portion and the extraction aperture to exit the ion source chamber.

Metadata:
- Claim Count in Document: 10.0
- Percentile: 88.0
- Lexical Diversity: 1.82716
- Patent Class: 250.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['13132762', '14392407', '12765252', '13956907', '15644917']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7096766649639842
- 35 USC 102 Novelty (BERT): 0.4751227959236372
- Combined Prediction Score: 0.6862212780599495
- Mean Citation Score: 203.057146
- Max Citation Score: 214.7422
- Similarity Product: 173.7655075552464

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