PCB for optical sensor and LED packages
Optical parts such as IR emitters, photo diodes, photo transistors and LED packages need boards that stay flat, take wire bonding and keep exact drill positions. This is the main business of RNS: most of our orders come from optoelectronic component makers.
At a glance
| Item | RNS |
|---|---|
| Base material | White BT resin, High-Tg FR-4, halogen-free FR-4, aluminum |
| Thickness | 0.2 – 0.8 mm typical (0.1 mm special) |
| Surface finish | ENIG, soft gold 0.3 – 1.3 µm, hard gold |
| Smallest board | 3 × 3 mm |
| Drill position tolerance | ±20 µm |
| Delivery | Panels / arrays with V-cut or routing, as your packaging line needs |
| Lot size | Tens of thousands to over one hundred thousand pieces |
Boards we have made
- IR emitter and receiver packages
- Photo sensor and optical module boards
- ToF and VCSEL sensor modules, including metal-core versions
- SMD LED package substrates in white BT resin
Why white BT resin
BT resin keeps its shape at high temperature, so the board stays flat through die attach, wire bonding and molding. The white color reflects light, which helps LED brightness. See BT resin PCB.
Questions
Can you plate soft gold for gold wire bonding?
Yes. We supply electrolytic soft gold from 0.3 to 1.3 µm. See our guide on ENIG vs soft gold.
Can you deliver boards in panels for our packaging line?
Yes. We make the array and panel to your drawing, with V-cut or routing.
What files do you need for a quote?
Gerber files (RS-274X) with a drill file, the quantity, material, thickness and surface finish. A drawing helps if you have one.
Do you make samples first?
Yes. We usually make a sample lot, and move to mass production after your approval.
Our customers
Ready for a quote?
Send your Gerber files and quantity. Our engineers check the data and reply with a price.
Upload Gerber & Get a Quote




