PATENT CLAIM ANALYSIS

Application Number: 15746089
Application Type: Utility
Filing Date: 2018-01
Publication Date: 2018-07
Patent Classification: ["523", "400000"]

Abstract:
The thermal conductive resin composition of first embodiment includes an epoxy resin, a cyanate resin, and thermal conductive filler. It has a thermal conductivity at 25° C., and cracking does not occur when a specific flex resistance test is carried out. The thermal conductive resin composition of a second embodiment includes an epoxy resin, a thermal conductive filler, and silica nanoparticles. An average particle diameter D 50  of the silica nanoparticles is equal to or more than 1 nm and equal to or less than 100 nm, a content of the silica nanoparticles is equal to or more than 0.3% by mass and equal to or less than 2.5% by mass with respect to 100% by mass of a total solid content of the thermal conductive resin composition. The thermal conductive filler includes secondary agglomerated particles constituted of primary particles of scale-like boron nitride.

Claim (Index 1):
A thermal conductive resin composition comprising;\n an epoxy resin; a cyanate resin; and a thermal conductive filler, wherein a content of the thermal conductive filler is equal to or more than 60% by mass and equal to or less than 85% by mass with respect to 100% by mass of the total solid content of the thermal conductive resin composition, and wherein a thermal conductivity at 25\u00b0 C., which is measured by the following thermal conductivity test, is equal to or more than 3 W/(m\u00b7k), and cracking does not occur when the following flex resistance test is carried out. <Thermal Conductivity Test> The thermal conductive resin composition is thermally treated at 100\u00b0 C. for 30 minutes, thereby producing a B-stage-form thermal conductive sheet having a film thickness of 400 then, the thermal conductive sheet is thermally treated at 180\u00b0 C. and 10 MPa for 40 minutes, thereby obtaining a thermal conductive sheet cured substance, and then the thermal conductivity of the thermal conductive sheet cured substance in a thickness direction is measured using a laser flash method. <Flex Resistance Test> The thermal conductive resin composition is thermally treated at 100\u00b0 C. for 30 minutes, thereby producing a B-stage-form thermal conductive sheet having a film thickness of 400 and then a 100 mm\u00d710 mm piece is cut out from the thermal conductive sheet and is folded along a curved surface of a cylinder having a diameter of 10 mm at a bending angle of 180 degrees in an environment of 25\u00b0 C. at a central portion in a longitudinal direction.

Metadata:
- Claim Count in Document: 50.0
- Percentile: 86.0
- Lexical Diversity: 2.19444
- Patent Class: 523.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15115775', '15116061', '14008486', '15472684', '14087113']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7421417607631143
- 35 USC 102 Novelty (BERT): 0.5147542283918225
- Combined Prediction Score: 0.7194030075259852
- Mean Citation Score: 238.843102
- Max Citation Score: 275.24002
- Similarity Product: 163.55090514805556

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

Dataset: test