United States Patent Application: 0060268528

United States Patent Application: 0060268528: "[0017] In recent years, portable computing devices such as laptops, PDAs, media players, cellular phones, etc., have become small, light and powerful. One factor contributing to this phenomena is in the manufacturer's ability to fabricate various components of these devices in smaller and smaller sizes while in most cases increasing the power and or operating speed of such components. Unfortunately, the trend of smaller, lighter and powerful presents a continuing design challenge in the design of some components of the portable computing devices.

[0018] One design challenge associated with the portable computing devices is the design of the enclosures used to house the various internal components of the portable computing devices. This design challenge generally arises from two conflicting design goals--the desirability of making the enclosure lighter and thinner, and the desirability of making the enclosure stronger and more rigid. The lighter enclosures, which typically use thinner plastic structures and fewer fasteners, tend to be more flexible and therefore they have a greater propensity to buckle and bow when used while the stronger and more rigid enclosures, which typically use thicker plastic structures and more fasteners, tend to be thicker and carry more weight. Unfortunately, increased weight may lead to user dissatisfaction, and bowing may damage the internal parts of the portable computing devices.
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