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Apart from cheapness, it's made from multi-threaded glass cloth which
means the glass:resin ratio is higher. This results in less resin flow,
potentially reducing the risk of pattern movement if the layers are
slightly undercured.
Brian
Brooks,Bill wrote:
> Bill Brooks
> PCB Design Engineer , C.I.D., C.I.I.
> Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510
> http://pcbwizards.com
>
> Why would a designer specify 7628 prepreg in the construction of a board?
> What characteristics are unique to it?
> Bill Brooks, CID
>
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