Beside traditional flat plane patterning, Walthy is experienced of 3D surface metallization and patterning on diversified substrates, the complete facilities, process and engineering experience helps many new designs come true.
![](https://walthy.com/wp-content/uploads/2024/03/3D-etching-1.jpg)
3D surface patterning
Another challenge is to make circuits or components smaller and more complex, which requires multi-layers such as HTCC circuits or circuits on more planes of the substrates.
![](http://walthy.com/wp-content/uploads/2024/03/multi-surface-circuits.jpg)
Circuits on full surfaces of substrate
![](http://walthy.com/wp-content/uploads/2024/03/hole-sidewall-metallization-and-metal-filled.jpg)
Micro holes connections for multi-layer circuits (sidewall metallization and metal fully filled (TGV,TSV))
![](http://walthy.com/wp-content/uploads/2024/03/HTCC-components.jpg)
HTCC components