Visual Inspection Technology in the Hard Disk Drive Industry.


Paisarn. Muneesawang
Bok Engelsk 2015 · Electronic books.
Omfang
1 online resource (320 pages)
Utgave
1st ed.
Opplysninger
Cover -- Title Page -- Copyright -- Contents -- Preface -- 1: Feature Fusion Method for Rapid Corrosion Detection on Pole Tips -- 1.1. Introduction -- 1.2. Algorithm for corrosion detection -- 1.2.1. Extraction of top-shield region -- 1.2.2. Area-based feature -- 1.2.3. Contour-based feature -- 1.2.3.1. Contour extraction -- 1.2.3.2. Filtering feature profile -- 1.2.3.3. Fusion -- 1.3. Experimental result -- 1.3.1. Distribution of corrosion -- 1.3.2. Performance metric -- 1.3.3. Robustness -- 1.4. Conclusion -- 1.5. Bibliography -- 2: Nonlinear Filtering Method for Corrosion Detection on Pole Tips -- 2.1. Introduction -- 2.2. Perpendicular magnetic recording -- 2.3. Perpendicular magnetic recorder and corrosion -- 2.3.1. Lubricant layer -- 2.3.1.1. Perfluoropolyether (PFPE) -- 2.3.1.2. Overcoat -- 2.3.2. Thermal effect results in corrosion -- 2.3.3. Recording head/slider manufacturing and corrosion -- 2.4. Length estimator for pole tip -- 2.5. Nonlinear filtering as a corrosion detector -- 2.5.1. Median filter techniques -- 2.5.2. Median ε-Filter -- 2.5.3. Corrosion detection procedure -- 2.6. Application -- 2.7. Conclusion -- 2.8. Bibliography -- 3: Micro Defect Detection on Air-bearing Surface -- 3.1. Introduction -- 3.2. Air-bearing surface -- 3.3. Imaging system -- 3.4. Contamination detection -- 3.4.1. Texture unit texture spectrum -- 3.4.2. Graylevel co-occurrence matrix -- 3.4.3. Principle component analysis -- 3.4.4. Identification defect -- 3.5. Conclusion -- 3.6. Acknowledgment -- 3.7. Bibliography -- 4: Automated Optical Inspection for Solder Jet Ball Joint Defects in the Head Gimbal Assembly Process -- 4.1. Introduction -- 4.2. Head gimbal assembly -- 4.3. Vertical edge method for inspection of pad burning defect -- 4.3.1. Inspection procedure -- 4.3.1.1. Preprocessing -- 4.3.1.2. Vertical edge detector -- 4.3.1.3. Decision making.. - 10: Inspection of Defect on Magnetic Disk Surface and Quality of the Glue Dispenser Route -- 10.1. Introduction -- 10.2. Computer vision technologies for scratch detection on media surfaces -- 10.3. Inspection of glue dispenser route -- 10.4. Conclusion -- 10.5. Bibliography -- 11: Inspection of Granular Microstructure of FePt Film in Heat-Assisted Magnetic Recording Media -- 11.1. Introduction -- 11.2. Heat-assisted media recording technology -- 11.2.1. HAMR -- 11.2.2. L10-ordered FePt as HAMR media candidate -- 11.2.3. Magnetic nanoparticle -- 11.3. Inspection procedure -- 11.3.1. Image segmentation -- 11.3.2. Separation of overlapping particles -- 11.4. Measurement of the size distribution -- 11.5. Measurement of dispersion -- 11.5.1. Lennard-Jones potential index -- 11.5.2. Experimental result -- 11.6. Conclusion -- 11.7. Bibliography -- List of Authors -- Index.. - 4.3.2. Experimental result -- 4.4. Detection of solder ball bridging on HGA -- 4.4.1. Solder ball bridging defect -- 4.4.2. Chain code descriptor-based method -- 4.4.2.1. Preprocessing -- 4.4.2.2. Chain-code descriptor -- 4.4.2.3. Similarity measurement -- 4.4.3. Morphological template-based method -- 4.4.3.1. Morphology and template matching -- 4.4.4. Experimental result -- 4.4.4.1. Result obtained by the chain code method -- 4.4.4.2. Application of morphology and template matching method -- 4.5. Detection of missing solders on HGA -- 4.5.1. Image acquisition and enhancement -- 4.5.2. Clustering of image pixels -- 4.5.3. Decision making -- 4.5.4. Inspection result -- 4.6. Conclusion -- 4.7. Bibliography -- 5: Analysis Methods for Fault Deformation of Solder Bump on the Actuator Arm -- 5.1. Introduction -- 5.2. Surface tension analysis -- 5.2.1. Model analysis -- 5.2.1.1. Symmetrical pattern -- 5.2.1.2. Asymmetrical pattern -- 5.2.2. Simulation -- 5.3. Analysis of stress performance at different configurations of solder bump positions -- 5.3.1. Analysis model -- 5.3.1.1. Force analysis -- 5.3.1.2. Stress and strain analysis -- 5.3.2. Design and analysis using FEM -- 5.4. Experimental result -- 5.5. Conclusion -- 5.6. Bibliography -- 6: Artificial Intelligence Techniques for Quality Control of Hard Disk Drive Components -- 6.1. Introduction -- 6.2. Artificial intelligence tasks in quality control -- 6.2.1. Classification and prediction -- 6.2.1.1. Classifying quality characteristic -- 6.2.1.2. Process modeling -- 6.2.2. Cluster analysis -- 6.2.3. Time series analysis -- 6.3. AI applications in HDD component quality control -- 6.3.1. Multipanel lamination process modeling using ANN -- 6.3.1.1. Flexible printed circuit production -- 6.3.1.2. 23 experimental design for multipanel lamination machine.. - 6.3.1.3. ANN modeling of multipanel lamination process -- 6.3.1.4. ANN prediction of response surface experiments -- 6.3.2. Control chart pattern recognition with AI in actuator production -- 6.3.2.1. Control chart of metal frame for actuator -- 6.3.2.2. Pattern generation -- 6.3.2.3. AI tools -- 6.3.2.4. Pattern recognition results -- 6.3.3. Machine clustering using AI technique -- 6.3.3.1. Machine clustering methodology -- 6.3.3.2. Algorithm for the computer numerical control machine clustering -- 6.3.3.3. Clustering results -- 6.3.3.4. Machine scoring -- 6.4. Conclusion -- 6.5. Bibliography -- 7: Borehole Diameter Inspection for Hard Disk Drive Pivot Arms Using Hough Transform in Panorama Images -- 7.1. Introduction -- 7.2. Panorama image construction -- 7.3. Dimension estimation -- 7.4. Experiment result -- 7.5. Conclusion -- 7.6. Acknowledgment -- 7.7. Bibliography -- 8: Electrostatic Discharge Inspection Technologies -- 8.1. Introduction -- 8.2. ESD sensitivity test technologies -- 8.2.1. Human body model testing -- 8.2.2. Charged device model testing -- 8.2.3. Machine model testing -- 8.3. Monitoring of ESD prevention equipment -- 8.3.1. Grounding and equipotential bonding systems -- 8.3.2. Ionization -- 8.3.3. Packaging -- 8.4. ESD event localization technologies -- 8.4.1. EMI locators -- 8.4.2. High-speed oscilloscope-based ESD event localization systems -- 8.4.3. RFID localization systems -- 8.4.4. WSN-based localization systems -- 8.4.5. Hybrid localization systems -- 8.5. Conclusion -- 8.6. Bibliography -- 9: Inspection of Styrofoam Beads on Adapter of Hard Disk Drives -- 9.1. Introduction -- 9.2. Morphological template-based method -- 9.2.1. Image subtraction -- 9.2.2. Otsu method -- 9.2.3. Morphological operation -- 9.2.4. Logical operation -- 9.3. Decision model -- 9.4. Application -- 9.5. Conclusion -- 9.6. Bibliography.. - A presentation of the use of computer vision systems to control manufacturing processes and product quality in the hard disk drive industry. Visual Inspection Technology in the Hard Disk Drive Industry is an application-oriented book borne out of collaborative research with the world's leading hard disk drive companies. It covers the latest developments and important topics in computer vision technology in hard disk drive manufacturing, as well as offering a glimpse of future technologies.
Emner
Sjanger
Dewey
ISBN
9781119058717
ISBN(galt)

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