TABLE II.

Average and Standard Deviation of A/B Coupon Wrap Plating Thickness

	Polyimide				FR4
	16 Layer		22 Layer		16 Layer		22 Layer
	A (mil)		B (mil)		C (mil)		D (mil)
Test Samples	Avg	StDev	Avg	StDev	Avg	StDev	Avg	StDev
1 (0.0inil)	0.06	0.06	0.16	0.11	0.22	0.07	0.2	0.16
2 (>0.0 to 0.2mil)	0.2	0.05	0.23	0.09	0.24	0.06	0.17	0.11
3 (>0.2 to 0.5mil)	0.95	0.19	0.5	0.14	0.67	0.12	0.65	0.12
4 (>0.5mil to 0.7mil)	0.7	0.12	1.05	0.31	0.86	0.15	0.99	0.16