All most all products are used by customer via various distribution environments. In this distribution or usage at customer, products often encounter critical hazard that cause product damage. For example, a packaged freight may be dropped by man-handling in a warehouse, or smart device such as smart-phone or tablet PC can be dropped from higher place in usage than its distribution. Products are needed mechanical shock durability for itself to prevent some damage of shock event. So, shock and drop testing has been carried out to evaluate it toward all products in advance and contribute to make be with a high quality of products.
In this section, these free fall test and mechanical shock test are explained.
Fig.1 Relationship between distribution/in use and drop/Shock testing