Recently, we have produced 16 layers HDI PCB with impedance control. The specification and board pictures are as following:

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Technical Details:

The detailed Build-up as following (for reference only):

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Layer Stack

Layer	Name	Material	Thickness
1	Top Overlay
2	Top Solder	Dielectric	0.010
3	L1	Copper	0.035
4	Dielectricl1	IT-180A 1080 PP	0.069
5	L2	Copper	0.020
6	Dielectricl2	IT-180A 2116 PP	0.100
7	L3	Copper	0.018
8	Dielectricl3	IT-180A 0.09mm (exclud Cu)	0.090
9	L4	Copper	0.018
10	Dielectricl4	IT-180A 2116 PP	0.100
11	L5	Copper	0.018
12	Dielectricl5	IT-180A 0.09mm (exclud Cu)	0.090
13	L6	Copper	0.018
14	Dielectricl6	IT-180A 2116 PP	0.100
15	L7	Copper	0.018
16	Dielectricl 15	IT-180A 0.09mm (exclud Cu)	0.090
17	L8	Copper	0.020
18	Dielectricl 13	IT-180A 106*2	0.100
19	L9	Copper	0.020
20	Dielectricl7	IT-180A 0.09mm (exclud Cu)	0.090
21	L10	Copper	0.018
22	Dielectricl 14	IT-180A 2116 PP	0.100
23	L11	Copper	0.018
24	Dielectricl 12	IT-180A 0.09mm (exclud Cu)	0.090
25	L12	Copper	0.018
26	Dielectricl8	IT-180A 2116 PP	0.100
27	L13	Copper	0.018
28	Dielectricl9	IT-180A 0.09mm (exclud Cu)	0.090
29	L14	Copper	0.018
30	Dielectricl10	IT-180A 2116 PP	0.100
31	L15	Copper	0.020
32	Dielectricl11	IT-180A 1080 PP	0.069
33	L16	Copper	0.035
34	Bottom Solder	Dielectric	0.010
35	Bottom Overlay
Finish thickness: 1.75mm +/-10%

Product Show:

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