PATENT CLAIM ANALYSIS

Application Number: 15986622
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2019-11
Patent Classification: ["257", "190000"]

Abstract:
Techniques for forming VTFET devices with tensile- and compressively-strained channels using dummy stressor materials are provided. In one aspect, a method of forming a VTFET device includes: patterning fins in a wafer; forming bottom source and drains at a base of the fins; forming bottom spacers on the bottom source and drains; growing at least one dummy stressor material along sidewalls of the fins above the bottom spacers configured to induce strain in the fins; surrounding the fins with a rigid fill material; removing the at least one dummy stressor material to form gate trenches in the rigid fill material while maintaining the strain in the fins by the rigid fill material; forming replacement gate stacks in the gate trenches; forming top spacers on the replacement gate stacks; and forming top source and drains over the top spacers at tops of the fins. A VTFET device is also provided.

Claim (Index 10):
The method of  claim 1 , further comprising the step of:\n cutting the fins into sections after growing the at least one dummy stressor material along sidewalls of the fins, such that the rigid fill material surrounding the fins is in contact with ends of the fins in fin cut regions between the sections.

Metadata:
- Claim Count in Document: 41.0
- Percentile: 93.0
- Lexical Diversity: 2.38235
- Patent Class: 257.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15960078', '15866851', '15863000', '15862930', '14951726']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.9151681615055728
- 35 USC 102 Novelty (BERT): 0.5587615611943232
- Combined Prediction Score: 0.8795275014744477
- Mean Citation Score: 337.345372
- Max Citation Score: 457.59933
- Similarity Product: 294.72961416788223

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

Dataset: test