Table I

Aperture Size Calculated for Different Cu Wire Diameters and Capping Forces (Middle Column); Calculated Equivalent Diameter and Aperture Size Depending on Capping Force and Cu Wire Diameter (Right Column)

		Aperture size (one-half) (μm²)			Equivalent diameter of a circular-shaped aperture of same area as calculated aperture size (one-half) (μm)
Cu wire^*		Capping force (N)			Capping force (N)
Diameter (μm)	Area (μm²)	30	50	70	30	50	70
10	79	47	31	23	8	6	5
15	177	105	70	53	12	9	8
20	314	189	126	94	16	13	11
28	616	370	249	187	22	18	15
40	1257	753	506	383	31	25	22
60	2827	1707	1149	868	47	38	33
80	5027	3042	2044	1545	62	51	44

↵* Uncoated Cu wire.