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| Categories | Flex PCB Assembly |
|---|---|
| MOQ: | No MOQ |
| Packaging Details: | ESD Protective Packaging/Customization |
| Delivery Time: | 5-25 working days(varies by product) |
| Place of Origin: | China |
| Supply Ability: | 100,000 pieces/month |
| Price: | Quote based on your specs |
| Payment Terms: | T/T |
| Company Info. |
| Studio Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
Overview
Rigid-flex PCBs combine the best of both worlds—structural strength of rigid sections and flexibility of flexible circuits—enabling complex, space-saving designs for aerospace, medical, automotive, and wearable applications. Studio Electronics offers Turnkey Flex PCB Assembly with specialized SMT solutions for rigid-flex boards. As a premier provider of PCB assembly in China, we manage the unique challenges of rigid-flex assembly: thermal expansion mismatch between rigid and flexible sections, precise component placement across material boundaries, and controlled reflow to prevent delamination. Our 12 automated SMT lines and comprehensive inspection ecosystem deliver reliable rigid-flex assemblies from prototype through production.
Rigid-Flex SMT Assembly – Key Challenges & Solutions
| Challenge | Impact | Studio's Solution |
|---|---|---|
| Thermal Expansion Mismatch | FR4 and polyimide expand differently during reflow | Controlled low-temperature profile; slower ramp rates; reduced peak temperature |
| Rigid-Flex Transition Zone | Component placement near transitions is critical | Precision placement with ±25μm accuracy; careful component positioning |
| Flex Section Protection | Solder joints near flex areas can fatigue | Stiffener application; strategic component positioning; bend verification |
| Z-Axis Stress | Differential expansion can cause delamination | Optimized lamination; controlled cooling rate; X-Ray inspection |
| Test Access | Multiple board sections complicate testing | Custom test fixtures; Flying Probe for low volume PCB assembly |
Our Turnkey Rigid-Flex Assembly Process
Stage 1: Component Sourcing & Engineering Support
We source all components per your BOM through authorized
distributors. Our engineering team provides DFM feedback specific
to rigid-flex design—addressing transition zone placement,
flex-to-stiffener ratios, and component positioning.
Stage 2: Rigid-Flex Board Fabrication
In-house fabrication of rigid-flex boards—FR4 sections laminated
with polyimide flex layers. Precise control of material stack-up,
transition zone design, and coverlay application.
Stage 3: Fixture Preparation
Carriers are designed to support both rigid and flex sections
during SMT. Tooling pins and hold-down mechanisms maintain
dimensional stability.
Stage 4: SMT Assembly
12 fully automated SMT lines with ±25μm accuracy. Component
placement programming accounts for rigid-flex section
differences—placement parameters optimized for each section.
Stage 5: Controlled Reflow
Low-temperature reflow profiles with specific consideration for
rigid-flex thermal expansion. Controlled cooling prevents
delamination at transition zones.
Stage 6: Quality Inspection
100% coverage: AOI; X-Ray for BGA/QFN and transition zone
inspection; ICT and Flying Probe; dynamic bend testing for flex
sections.
Stage 7: Final Assembly & Shipping
Careful handling; anti-static packaging; global logistics.
Rigid-Flex SMT Capabilities
| Parameter | Studio Capability |
|---|---|
| Board Type | Rigid-flex; any combination of rigid and flex sections |
| Rigid Sections | FR4; High-TG; up to 20 layers |
| Flex Sections | Polyimide; single/double-sided; multi-layer flex |
| Surface Finishes | ENIG, OSP, Immersion Silver, Gold Plating |
| Component Types | 01005 to BGAs; fine-pitch QFPs; connectors |
| Stiffener Options | PI stiffener; FR4 stiffener; metal stiffener |
| Testing | AOI, X-Ray, ICT, Flying Probe, FCT, dynamic bend |
Studio delivers Turnkey Rigid-Flex SMT Solutions—specialized assembly for hybrid boards with the precision flexible circuits demand.
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