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Article
A Study of Full-Angle Synthetic Aperture Focusing Technique
When ultrasounds are blocked by some obstacles or some areas cannot be illuminated by ultrasounds due to the complex shape of targets, the targets may not be detected by ultrasonic testing (UT). Thus, a simple...
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Article
Optimization designation of static mixer geometry considering mixing effect
The polymer materials used in the injection molding process have a non-Newtonian characteristic. Consequently, a flow imbalance problem often occurs, even if an H-type runner system is employed. This problem c...
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Article
Optimization of injection-molding processing conditions for plastic double-convex Fresnel lens using grey-based Taguchi method
Injection molding is an ideal technique for the low-cost mass production of plastic optical lenses. However, the optical quality of the lens is significantly dependent on the processing parameters employed in ...
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Article
Effects of bonding position on bending behavior of flexible anisotropic conductive film packages considering neutral surface
A theoretical investigation is performed into the bending behavior of FOF-ACF (Flex-On-Flex bonded by Anisotropic Conductive Film) packages bonded at different positions relative to the neutral surface positio...
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Article
Investigation on fracture and conductivity of flex-on-film flexible bonding using anisotropic conductive film considering repeated bending
This study conducts an experimental investigation into the bending behavior and electrical resistance properties of Flex (PI with Cu)-On-Film (ITO–coated PET) packages considering the flexible effects under st...
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Article
Grey optimization of injection molding processing of plastic optical lens based on joint consideration of aberration and birefringence effects
The optical performance of injection molded plastic lenses is seriously degraded by the warpage and residual stress induced during the molding process. In particular, warpage produces optical aberrations, whil...
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Article
Electrical resistance effects of anisotropic conductive film-assembled flex-on-flex packages under static bending loads
An investigation is performed into the change in electrical resistance of flex-on-flex (FOF) assemblies under static bending loads. The FOF test vehicles are prepared via the face-to-face bonding of two identi...
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Article
Random dispersion effects of conductive particles on anisotropic conductive film’s (ACF’s) bonding yield
In this study, the authors try to analyze the failure probability of Anisotropic Conductive Film (ACF) packages using V-shaped curve method considering the random effects with random dispersion of conductive p...
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Article
Processing optimization of Fresnel lenses manufacturing in the injection molding considering birefringence effect
The Taguchi robust design method is used to examine the effects of the processing conditions on the birefringence properties of a Fresnel lens fabricated using a plastic injection molding technique. The Comput...
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Article
Electric conduction failure of ACF packages based on pad array aspect ratio consideration
A mathematical model based on the V-shaped curve method is proposed for estimating the electric conduction failure probability of Anisotropic Conductive Film (ACF) packages with constant I/O number but differe...
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Article
Estimation of ACF packaging failure probability for IC/substrate assemblies with different pad array dimensions
An analytical model based on the V-shaped curve method is proposed for estimating the failure probability of anisotropic conductive film (ACF) packages with different pad array dimensions. In analyzing the fai...
