Chung-Yu Tsai
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View article: Digital Imaging Inspection System for Aluminum Case Grinding Quality Control of Solid-State Drive
Digital Imaging Inspection System for Aluminum Case Grinding Quality Control of Solid-State Drive Open
The enterprise or data center does not use the M2 SATA because of the cooling problem. Therefore, SSDs employ metal cases similar to the traditional 2.5” or 3.5” hard disk. The metal case is made of aluminum, which must be ground after the…
View article: Novel algebraic formula based on Lambert W-function for contact load calculation in Hertzian cylinder–cylinder interactions
Novel algebraic formula based on Lambert W-function for contact load calculation in Hertzian cylinder–cylinder interactions Open
The Hertz contact method is widely used to solve a range of contact-stress problems, including sphere–sphere contact (point contact) and cylinder–cylinder contact (line contact). For sphere–sphere contact, algebraic formulas are available …
View article: Calibration Procedure of Camera With Multifocus Zoom Lens for Three-Dimensional Scanning System
Calibration Procedure of Camera With Multifocus Zoom Lens for Three-Dimensional Scanning System Open
With zoom lenses, both the magnification of the camera and the distance between the lens and the object plane can be changed. Changes to zoom lens magnification is accompanied by changes in the depth of field and the distance between the l…
View article: Thermal Stress Analysis of Chip Scale Packaging by Using Novel Multiscale Interface Element Method
Thermal Stress Analysis of Chip Scale Packaging by Using Novel Multiscale Interface Element Method Open
In this study, a multiscale interface element method (MIEM) is developed to evaluate the interfacial peel and shear stress distributions in multilayer packaging structures. A newly developed polygon interface element contained many sides t…