On 1/30/06, alan smith wrote: > > Often a board house will do whats called "copper thieving" bunches of > little squares of copper inside the large open areas, to reduce the refuse > from the etch process, among other things. It's really entertaining when you get something like an interdigital microwave filter back, where the board shop has plopped their logo in and hosed it all up.. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist