The prepregs are used to bond glass reinforced innerlayer cores in multilayer PWBs. Cure Time min. Sealed packages of prepreg should be stored unopened.
Shelf life is six months when stored unopened under the recommended conditions.
Stored samples should be tested after six months and their properties verified prior to use. Hold at temperature for 90 minutes. Cooling under pressure is preferred. Autoclave or vacuum assisted lamination can be used with a standard 2 step cyanate ester lamination cycle and pressures as low as 100 psi. Chip loads of 2 to 3 mils per revolution at drill speeds of 500 surface feet per minute should be a starting point.