6-layer back drilled board

layers：6
back drilled plate
The red box is back-drilled PTH hole

【Details】

4 layers of control Shen Luo

layers：4
The red area controls Shenluo

【Details】

Double sided board

Double sided board
Electric gold thickness: 30U

【Details】

Double sided gold deposit

Double sided gold deposit
Surface treatment: HDI immersion gold + electro-gold
Goldfinger 3U

【Details】

8-layer HDI Immersion Gold

Layers：8
Surface treatment: HDI immersion gold + electro-gold
Goldfinger

【Details】

Six-layer gold finger 15U

Layers：6
Surface treatment: immersion gold + electro-gold
Goldfinger 15U

【Details】

6 layers of immersion gold

Layers：6
Surface treatment: immersion gold + electro-gold
Goldfinger
BGA（Ball Grid Array）
Minimum aperture: 0.2MM

【Details】

4 layers of immersion gold

Layers：4
Surface treatment: immersion gold + electro-gold
Goldfinger 5U

【Details】

Golden finger board

Double-sided
Special Process：Metal edging

【Details】

Double-sided metal edging

Double-sided
Special Process：Metal edging

【Details】

4 layers of metal edging

Layers：4
Special Process：Metal edging

【Details】

6-layer half-hole plate

Layers：6

【Details】