Every year, new designs and materials gets into your laptop. As laptop designs get slimmer and sleeker, the expectation for optimal design and durability is now being demanded. Thus, hardware manufacturers are deciding to use an array of materials in the construction of these new laptop models.
Plastic-made (or polycarbonate) laptop is the least expensive and most commonly used material in laptop frames, but these manufacturers have shown great ingenuity in making plastic not look cheap. The most common technique is in-mold decoration or in-mold rolling, a process made popular by Acer, HP, and Toshiba, in which decorative patterns are infused between plastic layers. This process has evolved into etched imprints and textures, commonly seen on laptop lids.
Interestingly, in the end, though, plastics are often associated with low-priced laptops, while higher-end models rely on metals. Common premium choices include aluminum, which has a more luxurious look, and can be fashioned into a thinner chassis than plastic. Unibody construction, where the entire chassis is made from a single piece of metal, has become the gold standard, as seen on Apple's MacBook and MacBook Pro lines. Other all-metal designs mimic this same look and feel, securely sandwiching two separate layers together.
Furthermore, other common chassis materials include magnesium alloy and carbon fiber, both of which add strength while keeping overall weight low. Glass has long been found covering displays, but with ultra-strong variants like Gorilla Glass, you'll find the material being used in everything from the lid to the touchpad.
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