线路板制备方法以及线路板
By forming blind vias and filling them with conductive material in the sub-board of the circuit board, the problem of insufficient density of the conductive connection layer is solved, achieving higher signal transmission reliability and production efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHENNAN CIRCUITS
- Filing Date
- 2021-11-19
- Publication Date
- 2026-07-17
AI Technical Summary
In existing technologies, solder ball connections cannot meet the requirements of harsh operating environments, resulting in insufficient density of the conductive connection layer structure and significant signal transmission loss.
A first blind hole and a second blind hole are formed in the first and second sub-plates to be pressed, respectively, and conductive material is filled into the blind holes. The conductive connection layer is made denser by high-temperature pressing and sintering.
Double-sided lamination makes the conductive connection layer structure denser, reducing the overall network resistance and signal loss of the device, and improving product reliability and production efficiency.
Smart Images

Figure CN116156756B_ABST