PATENT CLAIM ANALYSIS

Application Number: 15893702
Application Type: Utility
Filing Date: 2018-02
Publication Date: 2019-03
Patent Classification: ["356", "624000"]

Abstract:
A displacement measurement device and a measurement method are provided. A displacement measurement device includes a light projecting unit configured to generate a light beam; a sensor head configured to emit the light beam to a measurement target object and receive a light beam reflected at the measurement target surface within the emitted light beam; a storage unit configured to store a function using a distance between the sensor head and the measurement target surface as a variable; and a control unit configured to calculate the distance based on a wavelength of the light received by the sensor head. The control unit calculates a value of the function using a distance between the sensor head and the measurement target surface of the measurement target object as a value of the variable. The control unit corrects the calculated distance using the calculated value of the function.

Claim (Index 3):
The displacement measurement device according to  claim 1 ,\n wherein the first measurement target object as the measurement target object and a second measurement target object as the measurement target object have a thin film causing interference, and wherein the control unit calculates a second distance that is a distance between the sensor head and a front surface of the thin film by moving a stage to a plurality of positions while the second measurement target object is mounted on the stage that is movable in a direction of the sensor head, and generates the function on the basis of the second distance calculated at each of the plurality of positions and a reference distance that serves as a reference between the sensor head and the front surface when the second distance is calculated.

Metadata:
- Claim Count in Document: 44.0
- Percentile: 88.0
- Lexical Diversity: 2.92308
- Patent Class: 356.0
- Transitional Phrase Type: none
- Component Type: 0
- Foreign Priority: True
- Related Applications: ['15893714', '12196133', '11776255', '11655373', '12471145']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.6880852304830394
- 35 USC 102 Novelty (BERT): 0.480395481465056
- Combined Prediction Score: 0.6673162555812411
- Mean Citation Score: 171.15868799999996
- Max Citation Score: 178.19299999999996
- Similarity Product: 134.28018037241694

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

Dataset: test