Table 4. Characteristics of droplet deposition for each layer of each test.

Test	Sampling location	Mean deposition(μL/cm2)	Distribution uniformity (%)	Mean coverage(%)	Distribution uniformity (%)	Mean VMD(μm)	Distribution uniformity (%)
1#	UL	0.204±0.07 b	58.14	3.31±1.12 b	58.63	306±20.43 a	11.55
	ML	0.319±0.01 ab	6.68	5.60±0.23 ab	7.25	317±8.52 a	4.65
	LL	0.444±0.09 a	36.24	7.41±1.32 a	30.89	345±44.74 a	22.46
2#	UL	0.216±0.03 a	24.66	3.75±0.58 a	26.74	298±28.97 a	16.84
	ML	0.243±0.03 a	23.95	4.30±0.45 a	18.22	317±0.58 a	0.32
	LL	0.181±0.06 a	58.16	3.12±0.96 a	53.30	295±5.75 a	3.38
3#	UL	0.180±0.06 a	56.59	2.71±0.78 a	50.13	318±4.55 a	2.47
	ML	0.334±0.19 a	98.90	5.30±2.85 a	93.11	370±49.89 a	23.38
	LL	0.177±0.03 a	25.39	2.94±0.31 a	18.12	370±10.25 a	5.88
4#	UL	0.284±0.06 a	36.44	4.63±0.82 a	30.82	315±24.61 a	13.52
	ML	0.273±0.05 a	32.31	4.64±0.78 a	29.09	317±5.96 a	3.25
	LL	0.470±0.16 a	59.97	6.64±1.70 a	44.41	367±24.37 a	11.49
5#	UL	0.132±0.06 a	81.36	1.82±0.78 a	73.69	309±6.74 a	3.78
	ML	0.065±0.03 a	88.28	0.92±0.43 a	80.49	277±34.41 ab	21.55
	LL	0.041±0.03 a	120.07	0.63±0.36 a	99.61	219±25.14 b	19.91
6#	UL	0.022±0.01 a	68.10	0.49±0.15 a	53.02	144±12.86 a	15.45
	ML	0.010±0.00 a	52.84	0.24±0.08 a	62.19	141±9.72 a	11.95
	LL	0.006±0.00 a	34.89	0.17±0.02 a	22.71	120±17.48 a	25.14

Note: The data in the table are mean±SE. Columns with the same letter are not significantly different (p<0.05).