High-Tg FR4 Printed Circuit Board Assembly HASL Pb Free Immersion
Gold
Printed Circuit Board Assembly Description:
The circuit boards we produced included flexible boards, rigid-flex
boards, multi-layer boards, blind-hole boards, and thick copper and
aluminum boards. They are widely used in industrial control,
medical care, automotive electronics, communications, Internet.
Time-Saving:
Tongzhan fully realizes the market pressure of our clients. We work
based on customers’ time. Because we’re capable of handling
everything in one streamlined process all under one roof, you get
the benefit of working with one company and one timeline.
Turnkey solution:
Tongzhan provides turnkey services including PCB layout, PCB
fabrication, and assembly. This can help you save time on
management.
Printed Circuit Board Assembly Parameters:
| Item | Technical Parameter |
| Layer | 2-64 |
| Thickness | 0.3-6.5mm |
| Copper Thickness | 0.3-12 oz |
| Min Mechanical Hole | 0.1mm |
| Min Laser Hole | 0.075mm |
| HDI | 1+n+1,2+n+2,3+n+3 |
| Max Aspect Ratio | 20:01 |
| Max Board Size | 650mm*1130mm |
| Min Width/Space | 2.4/2.4mil |
| Min Outline Tolerance | ±0.1mm |
| Impedance Tolerance | ±5% |
| Min PP Thickness | 0.06mm |
| Bow &Twist | ≤0.5% |
| Materials | FR4, High-Tg FR4, Rogers, Nelco, RCC, PTFE, M4, M6, TU862, TU872 |
| Surface Finished | HASL, HASL Pb Free Immersion Gold/Tin/Silver Osp, Immersion
Gold+OSP |
| Special Capability | Gold Finger Plating, Peelable, Carbon ink |
Printed Circuit Board Assembly Introduction:
Tongzhan was established in 2011 and is committed to becoming a
leading one-stop EMS provider.
We serve our customers, the customer always comes first.
Customer-centric, hard-working, innovative, honest, happy, and
transparent; customer-centric, professional, efficient, and
win-win.
Our people are driven by passion, passion for science, and passion
for technology, we don't feel like time is a "job", we are all
passionate about building a company that is known all over the
world.
