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Visual inspection technology in the hard disk drive industry / / edited by Paisarn Muneesawang, Suchart Yammen
| Visual inspection technology in the hard disk drive industry / / edited by Paisarn Muneesawang, Suchart Yammen |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : iSTE/Wiley, , 2015 |
| Descrizione fisica | 1 online resource (320 p.) |
| Disciplina | 629.8323 |
| Collana | Computer engineering series |
| Soggetto topico |
Data disk drives industry
Engineering inspection |
| ISBN | 1-119-05875-9 |
| Formato | Materiale a stampa  |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
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. Gray level 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 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 |
| Record Nr. | UNINA-9910131320703321 |
| Hoboken, New Jersey : , : iSTE/Wiley, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
Visual inspection technology in the hard disk drive industry / / edited by Paisarn Muneesawang, Suchart Yammen
| Visual inspection technology in the hard disk drive industry / / edited by Paisarn Muneesawang, Suchart Yammen |
| Pubbl/distr/stampa | Hoboken, New Jersey : , : iSTE/Wiley, , 2015 |
| Descrizione fisica | 1 online resource (320 p.) |
| Disciplina | 629.8323 |
| Collana | Computer engineering series |
| Soggetto topico |
Data disk drives industry
Engineering inspection |
| ISBN | 1-119-05875-9 |
| Formato | Materiale a stampa |
| Livello bibliografico | Monografia |
| Lingua di pubblicazione | eng |
| Nota di contenuto |
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. Gray level 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 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 |
| Record Nr. | UNINA-9910827785103321 |
| Hoboken, New Jersey : , : iSTE/Wiley, , 2015 | ||
| Materiale a stampa | ||
| Lo trovi qui: Univ. Federico II | ||
| ||
