For Complex & Reliable Interconnect
For Signal Integrity & Speed
For High Power & Harsh Environments
For Innovative Form Factors
PCB Assembly Technologies
PCBA Service Models
Value-Added Services
STENCIL
For Complex & Reliable Interconnect
For Signal Integrity & Speed
For High Power & Harsh Environments
For Innovative Form Factors
PCB Assembly Technologies
PCBA Service Models
Value-Added Services
STENCIL
We'd Love to Hear from You
High-Speed,High-Precision SMT Assembly Services
From Prototype to Volume Production with Unmatched Quality&Efficiency.
Advanced Multi-Nozzle High-Speed SMT Lines
Expert Fine-Pitch&BGA Assembly Down to 0.2mm
100%3D AOI&X-Ray Inspection for Zero-Defect Goals
Full Traceability&Smart Factory Integration
Why SMT?Why Choose SENTAK?
Surface Mount Technology(SMT)is the cornerstone of modern electronics,enabling the production of smaller,faster,and more reliable devices.At SENTAK,we elevate this foundational process through engineering excellence and rigorous process control.
Our Commitment to Your Success
First-Pass Yield Excellence
We consistently achieve>99.5% placement accuracy and maintain defect rates below 10,000 PPM through our closed-loop process control.
Complex Component Mastery
Our expertise spans from ultra-miniature 01005 and 0201 packages to advanced BGAs, QFNs, and PoP (Package-on-Package) configurations.
True Partnership
We assign a dedicated New Product Introduction (NPI) Engineer to every project, ensuring a seamless transition from design to mass production.
Our SMT Assembly Capabilities&Specifications
We invest in state-of-the-art equipment and process expertise to handle your most demanding projects.
|
Capability Parameter |
Our Range&Specification |
Technical Advantage |
|
Component Size Range |
01005(0.4mm x 0.2mm)to 55mm x 55mm |
Handles the full spectrum of modern components. |
|
IC Package Compatibility |
BGA, CSP, QFN, DFN, LGA, PoP, COB |
Specialized profiles for each package ensure optimal solder joint integrity. |
|
Minimum Pin Pitch |
0.2mm(8 mil) |
High-precision vision systems and fine-paste printing capability. |
|
Board/Panel Size |
Min:50mm x 50mm |
Max:510mm x 460mm (Flexible production lines for any form factor) |
|
Placement Speed |
Up to 150, 000 Components Per Hour(CPH) |
High-speed lines equipped with multi-nozzle heads for optimal throughput. |
|
Solder Paste Inspection |
3D Laser SPI |
100%inspection for paste volume, height, and alignment to prevent defects at the source. |
|
Automated Optical Inspection |
3D AOI with AI-Powered Algorithms |
Superior defect detection(bridges, tombstoning, missing parts)with low false-call rates. |
|
X-Ray Inspection |
2D/3D AXI for Hidden Joints |
Mandatory for BGA, QFN, and underfill inspection to ensure perfect hidden connections. |
Design for Excellence(DFX):SMT Best Practices
Leverage our engineering insight to design boards that are not only functional but also optimized for manufacturability, yield, and long-term reliability.
Key Recommendations for Robust SMT Design:
Pad&Stencil Design: Provide non-solder mask defined(NSMD)pads for BGAs.Follow industry-standard stencil aperture ratios to prevent solder bridging or insufficient volume.
Component Spacing: Maintain adequate clearance between components for unobstructed pick-and-place and inspection head movement.
Thermal Balance: Symmetric thermal relief connections on SMD pads connected to large copper planes to prevent"tombstoning"or skewed components during reflow.
Fiducials&Board Support: Include global and local fiducials for precise machine vision alignment.Ensure panels have adequate rails and tooling holes for stable transport.
Our Multi-Stage Quality Assurance Process
Quality is engineered into every step,not just inspected at the end.
Incoming Material Verification: All components are checked against the BOM and subjected to visual or electrical sampling.
Process Control at Source: 3D SPI validates solder paste deposition before placement.
Pre-Reflow Verification: AOI after placement catches missing or misaligned components.
Post-Reflow Inspection: 3D AOI and selective X-Ray inspect the final solder joints for perfection.
Functional Validation: Flying Probe Test(FPT),In-Circuit Test(ICT),or Functional Test(FCT)as per your requirements.
Final Audit&Packaging: Visual audit and anti-static,vacuum-sealed packaging for safe shipping.
Trusted Across Advanced Industries
Our precision SMT assembly processes meet the stringent standards of sectors where failure is not an option.
Automotive Electronics: ADAS modules,sensor ECUs,infotainment systems(IATF 16949 Certified Processes).
Medical Devices: Diagnostic equipment,patient monitors,wearable health tech(ISO 13485 Framework).
Industrial Electronics: Process controls,robotics,power conversion systems.
Telecommunications: 5G infrastructure,network switches,and routers.
Consumer Technology: High-density IoT devices and advanced wearables.
Your Design Deserves Our Discipline.
Partner with a manufacturer where quality is a measurable, managed outcome.