Warpage


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warpage

[′wȯr·pij]
(mechanics)
The action, process, or result of twisting or turning out of shape.

Warpage

The change in the flatness of a material caused by differences in the temperature or humidity on the opposite surfaces of the materials.
References in periodicals archive ?
What's more, the new flat glass products are said to help thwart warpage (differential shrinkage and residual stress relaxation) of a plastic or composite part after demolding.
However, when observing from the side face, the slight warpage could still be observed (Fig.
Caption: Figure 5--comparison between the warpage prediction and the experimental result
The warpage problem is compounded with high-shrink, semicrystalline materials.
KEYWORDS: Injection moulding warpage analysis moldflow software taguchi method experimental validation 1.
The standard is both educational about the general topic of PCB warpage measurement and specific in its guidelines for how such measurement should be done.
Ticona says that in-house testing and customer trials have shown less warpage of intricately designed connectors out of the mould and after reflow soldering, compared to parts moulded with other commercially available LCP grades and high temperature nylons.
These molded parts are designed to eliminate expansion/contraction, warpage, and cracking over a wide range of temperatures.
There is also described the flow and warpage analysis of the injection process of the new composite.
The new resin also produces parts with lower warpage for better part alignment and increased soldering yields.
bottom boards--Bottom boards minimize warpage as the binder finishes curing.