PATENT CLAIM ANALYSIS

Application Number: 15899430
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2018-08
Patent Classification: ["360", "134000"]

Abstract:
The magnetic tape device includes a TMR head as a servo head; and a magnetic tape which includes a magnetic layer including ferromagnetic hexagonal ferrite powder and a binding agent, and including a servo pattern, an XRD intensity ratio (Int(110)/Int(114)) of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050.

Claim (Index 1):
A magnetic tape device comprising:\n a magnetic tape; and a servo head, wherein the servo head is a magnetic head including a tunnel magnetoresistance effect type element as a servo pattern reading element, the magnetic tape includes a non-magnetic support, and a magnetic layer including ferromagnetic powder and a binding agent on the non-magnetic support, the magnetic layer includes a servo pattern, the ferromagnetic powder is ferromagnetic hexagonal ferrite powder, an intensity ratio Int(110)/Int(114) of a peak intensity Int(110) of a diffraction peak of a (110) plane with respect to a peak intensity Int(114) of a diffraction peak of a (114) plane of a hexagonal ferrite crystal structure obtained by an X-ray diffraction analysis of the magnetic layer by using an In-Plane method is 0.5 to 4.0, a vertical direction squareness ratio of the magnetic tape is 0.65 to 1.00, a center line average surface roughness Ra measured regarding a surface of the magnetic layer is equal to or smaller than 2.0 nm, and a logarithmic decrement acquired by a pendulum viscoelasticity test performed regarding the surface of the magnetic layer is equal to or smaller than 0.050.

Metadata:
- Claim Count in Document: 44.0
- Percentile: 88.0
- Lexical Diversity: 1.84416
- Patent Class: 360.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['15899587', '15900412', '15900080', '15854474', '15854410']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6614058744666221
- 35 USC 102 Novelty (BERT): 0.5709986925469547
- Combined Prediction Score: 0.6523651562746554
- Mean Citation Score: 381.662588
- Max Citation Score: 438.5053
- Similarity Product: 412.7060106525123

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