6th-order arbitrary interconnection HDI buried blind via circuit board, the Min Track/Spacing can reach 75um, and the minimum aperture can reach 0.1mm. This type of buried blind via circuit board is widely used in digital cameras, notebooks, mobile phones and other electronic digital products and automotive electronics.
The 7th-order HDI board is widely used in high-end smart phones and other fields
12 layers, Material: S1000-2M, Thickness: 1.2±0.1mm
14 layers, Thickness: 1.6±0.16, Surface Finish: OSP
12 layers, Material: S1000-2M, Thickness: 1.8±0.18m
8 layers, Material: S1000-2M, Thickness: 4.4±0.4mm
8 layers, Material: S1000-2M, Thickness: 1.2±0.1mm
10 layers, Material: S1000-2M, Thickness: 1.3±0.13mm
10 layers, Material: S1000-2M, Thickness: 2.2±0.2mm
8 layers, Material: A1000-2M, Thickness: 2.5±0.25mm
8 layers, Material: R5775G+IT180, Thickness: 2.0±0.2mm
8 layers, Material: S1000-2M, Thickness: 1.0±0.1mm
18 layers, Material: RO4350B+TU872SLK Rogers, Thickness: 3.2±0.32mm
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A very, very easy build, and the finished device works perfectly. Note that my photos show a previous generation of the 3D printed case which required a bit of manual trimming around the amp module.
Phil Atkin
Of the 18 boards populated, 1 failed to operate, 1 had issues. The other 16 were operational. The process was pretty seamless - a few issues from my end regarding BOM descriptions, but otherwise all good. I will probably look at some advanced verification next time to ensure better yield rates.
Lucinsky