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FR4PCB.TECH - High-Precision PCB/PCBA Manufacturing & Assembly

Why Choose FR4PCB.TECH

Fast Turnaround

48h standard prototype, 24h urgent delivery for high-complexity PCBs

High Precision

01005 components, 0.2mm BGA, 2mil/2mil line width/spacing, ±3Ω impedance control

Strict Quality

99.8% yield rate, IPC-A-610 Class 3, ISO 13485/IATF 16949 certified

One-Stop Service

From design to prototyping, assembly, testing and global delivery

High Complexity

2-98 layers PCB (focus on 8-64 layers), blind/buried via, thick copper (10-20oz)

Global Service

1000+ global customers, 80% repeat purchase rate, confidential NDA agreement

Competitive Pricing

Factory-direct pricing with no middleman markup, transparent cost breakdown, volume discounts

Technical Support

24/7 engineering support, DFM analysis free of charge, lifetime technical consultation

Core Services

Multilayer PCB Prototype

  • Layers: 2-98 Layers (Focus on 8-64 Layers)
  • Line Width/Spacing: 2mil/2mil
  • Hole Size: 0.1mm Microvia
  • Impedance Control: ±3Ω
  • Substrate: FR4 (High-Tg), Rogers, Taconic
  • Turnaround: 48h (Standard), 24h (Urgent)
  • Support blind/buried via, thick copper (10-20oz), step slot

High-precision PCBA Assembly

  • Assembly Type: SMT, DIP, BGA/QFP/CSP Soldering
  • Component Size: 01005 Package (Smallest)
  • Inspection: AOI, X-Ray, ICT, FCT Testing
  • Material Supply: Customer Supplied / Full Turnkey
  • Volume: 1-5000 Sets (Prototype Low-Volume)
  • ESD anti-static workshop, IPC-A-610 Class 3 standard

PCB Design Layout

  • Design Scope: 2-64 layers PCB design
  • Design Optimization: DFM/DFA, Impedance Matching, SI Analysis
  • Application: Medical, Automotive, Military, Industrial Control
  • Delivery: Gerber, BOM, Schematic, Design Spec
  • Compliance: IPC-2221/2222, RoHS/REACH

BGA Rework Service

  • Rework Type: BGA Desoldering, Resoldering, Replacement
  • Precision Control: High-precision Hot Air Station
  • Applicable Components: ≥0.2mm Pitch BGA/QFP/CSP
  • Inspection: X-Ray Before/After Rework
  • Protection: Preheating, Anti-static Operation

PCBA Reverse Engineering

  • Scope: Schematic Recovery, Layout Extraction, BOM Organization
  • Capability: Up to 32 layers PCB, HDI Boards
  • Delivery: Gerber, Schematic, BOM, Assembly Drawings
  • Quality: Circuit Function Consistency Verification
  • Compliance: Legal Authorization, IP Protection

One-stop Solution

  • Design Support: DFM/DFA Audit, Impedance Optimization
  • Material Sourcing: Global Genuine Components
  • Testing: Reliability, Aging, Environmental Testing
  • Compliance: ISO 13485, IATF 16949
  • Logistics: Global Delivery with Insurance

High-Frequency & High-Speed Solutions

  • Frequency Range: DC-60GHz High-Frequency Design
  • Material: Rogers, Taconic, Isola High-Speed Material
  • Impedance: ±2Ω Ultra-Precision Impedance Control
  • SI/PI Analysis: Signal/Power Integrity Simulation
  • Application: 5G/6G, Radar, High-Speed Server
  • Process: Microvia, Air Gap, Laser Drilling

OEM & ODM Solutions

  • OEM Service: Custom Production as Per Customer Design
  • ODM Service: Full Design & Manufacturing Turnkey
  • Product Development: From Concept to Mass Production
  • Supply Chain: One-Stop Material Sourcing & Management
  • Quality: Batch Consistency & Traceability Guarantee
  • Flexibility: Small MOQ & Fast Customization Support

Box Build Electronics Assembly

  • Assembly Scope: Complete Product Integration & Testing
  • Process: PCBA + Mechanical Assembly + Cable Harness
  • Testing: Functional Testing, Burn-in Testing, Aging Test
  • Packaging: Custom Packaging & Labeling as Per Requirement
  • Compliance: CE/FCC/UL Certification Support
  • Logistics: Global Delivery & After-Sales Support

Detailed Technical Parameters

Comprehensive technical specifications to meet various application needs from consumer electronics to aerospace

Project Standard capabilities Advanced abilities Remark
Number of floors Floors 2-16 Floors 18-98 Supports blind and buried vias, and arbitrary layer interconnection.
Plate thickness range 0.2-3.2mm 0.1-12.0mm Tolerance: ±10%
Minimum line width/line spacing 3/3mil (0.075mm) 2/2mil (0.05mm) Direct laser imaging
Minimum aperture 0.2mm mechanical drilling 0.1mm laser micro-hole Aspect ratio: 20:1
Impedance control ±10% ±3Ω Single-ended/differential impedance
Surface treatment Lead-containing/lead-free solder plating, immersion gold Immersion silver, immersion tin, OSP, electroplated hard gold RoHS compliant
Copper thickness range 0.5-2.0oz 3.0-12.0oz Thick copper plate professional manufacturer
Warpage control ≤0.75% ≤0.3% High-precision pressing process
Item Standard Capability Advanced Capability Remarks
Component Type 0201, 0.4mm QFP 01005, 0.2mm BGA/QFN Supports special-shaped components
Placement Accuracy ±25μm @ 3σ ±15μm @ 3σ Fuji NXT III platform
Solder Paste Printing ±15μm Repeat accuracy ±10μm Repeat accuracy DEK Horizon printer
Reflow Soldering 8-zone lead-free reflow oven 10-zone nitrogen protection Precise temperature profile control
Inspection Capability 2D AOI, ICT 3D AXI, FCT, Flying probe test Full-process quality control
Soldering Standard IPC-A-610 Class 2 IPC-A-610 Class 3 Military/Medical grade standard
Cleaning Process Aqueous cleaning Plasma cleaning High reliability requirements
Conformal Coating Acrylic coating Polyurethane/Silicone coating Selective coating process
Test Type Test Capability Test Standard Application Field
Flying Probe Test Up to 5000 test points IPC-9252 Prototype/Small batch production
ICT Test Up to 10,000 test points IPC-9252 Medium and large batch production
Functional Test Customized test system Customer-specific standards All product types
X-Ray Inspection 3D AXI, 5μm resolution IPC-A-610 BGA/CSP/Hidden solder joints
Environmental Test -65°C to +150°C MIL-STD-883 Reliability verification
Burn-in Test Up to 1000 hours Customer-specific requirements High reliability products
Signal Integrity TDR/TDT testing IEEE standards High-speed digital circuits
EMC Pre-compliance Radiation/Conduction testing FCC/CE standards Product certification support
Material Type Brand/Model Characteristics Application Field
Standard FR4 ITEQ IT-180, KB-6167, Shengyi S1141 Tg 140°C, Low Z-axis expansion Consumer electronics, Industrial control
High Tg FR4 Isola 370HR, Panasonic R-1755V, Shengyi S1000-2 Tg 170-180°C, Halogen-free Automotive electronics, Power products
High Frequency Material Rogers RO4350B, Taconic RF-35, Shengyi SY-T880 Dk 3.48, Low loss 5G communication, Radar systems
High Speed Material Isola I-Speed, Panasonic Megtron 6, Shengyi SY-8820 Low Dk/Df, Signal integrity Servers, High-speed networks
Metal Substrate Aluminum/Copper based, Bergquist MP, Shengyi SY-M300 Thermal conductivity 1-3W/mK LED lighting, Power modules
Flexible Material DuPont Pyralux, Panasonic R-F775, Shengyi SY-F200 Polyimide substrate, High flexibility Wearable devices, Foldable screens
Rigid-Flex Material DuPont Pyralux AP/AC, Shengyi SY-RF600 Multi-layer rigid-flex structure Medical equipment, Aerospace
Ceramic Substrate Alumina/Aluminum nitride, Shengyi SY-C500 High thermal conductivity, High reliability High-power LED, Lasers
FR4PCB.TECH - Quality Control

Comprehensive Quality Control System

Our strict quality control process covers the entire production cycle from incoming material inspection to final product delivery, ensuring 100% compliance with international standards and customer requirements.

Incoming Material Inspection (IQC)

  • Supplier qualification audit and performance evaluation
  • PCB raw material testing: Tg, CTE, Peel Strength, Resistance
  • Component verification: Authenticity, RoHS compliance, Batch traceability
  • Solder paste and consumables: Viscosity, Particle size, Shelf life verification
  • 100% incoming material documentation review and record keeping
  • AQL sampling inspection standard (ANSI/ASQ Z1.4-2008)

In-Process Quality Control (IPQC)

  • PCB Manufacturing: Every process step inspection (Drilling, Plating, Imaging)
  • SMT Process: Paste printing (SPI), Placement (AOI), Reflow (Temperature profiling)
  • DIP Process: Wave soldering parameter monitoring, Manual soldering inspection
  • Real-time process parameter monitoring and SPC statistical control
  • First article inspection (FAI) for every production batch
  • Operator self-inspection and IPQC patrol inspection system

Final Quality Control (FQC)

  • Visual inspection per IPC-A-610 Class 3 standard
  • Electrical testing: Flying probe, ICT, Functional test (FCT)
  • X-Ray inspection for BGA/CSP/QFN hidden solder joints
  • Dimensional inspection: CMM, Optical measurement
  • Environmental reliability testing: Temperature cycle, Humidity, Vibration
  • 100% cleaning verification and ionic contamination testing

Outgoing Quality Control (OQC)

  • Packaging verification per customer specification
  • Labeling and documentation verification (COC, Test report)
  • ESD protection and moisture barrier packaging inspection
  • Random sampling inspection before shipment (AQL II)
  • Batch traceability verification and quality record review
  • Shipping condition simulation testing (Drop test, Transportation vibration)

Continuous Improvement

  • 8D problem-solving methodology for quality issues
  • Customer complaint handling and root cause analysis
  • Monthly quality review and KPI performance analysis
  • Employee quality training and skill certification
  • Process capability analysis (CP/CPK) and improvement
  • Customer satisfaction survey and feedback implementation

Testing Capabilities

  • Electrical: Continuity, Isolation, Impedance, Voltage/current testing
  • Reliability: Thermal shock, Aging, Salt spray, Humidity testing
  • Material: Tensile strength, Peel strength, Solderability testing
  • Environmental: Temperature cycling (-65°C ~ +150°C), Vibration, Shock
  • Chemical: Ionic contamination, Solder paste analysis, RoHS testing
  • Microsection: Cross-section analysis of vias and solder joints

Proven PCB Solutions: FR4PCB.TECH's Success Cases

Don’t Just Take Our Word for It: 1000+ Clients Achieved Zero-Defect PCBs with Us,HDI, Flex, Rigids-Flex: FR4PCB.TECH’s Success Cases in Complex PCB Technologies.

Quality Assurance & Certifications

Stringent Quality Control: 100% flying probe testing, TDR impedance sampling, 99.8% yield rate

📚Certifications

About Us - FR4PCB.TECH PCB Fabrication and Assembly Manufacturer

FR4PCB.TECH is a professional high-difficulty PCB & PCBA prototype service provider with 12+ years of experience, focusing on serving global enterprises, research institutions, military and medical device manufacturers. We specialize in high-precision, complex process PCB & PCBA prototyping, with a professional team of 20+ senior engineers, advanced production equipment and strict quality control system. Our mission is to provide high-quality, fast and customized prototype solutions for global R&D teams, helping customers accelerate product development and market launch.
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PCB Manufacturing and Assembly Services
Reliable Partner - PCB/PCBA Prototyping & Assembly

Anti-UAV Acoustic Positioning System

Microphone Array | Drone Acoustic Localization | Full-Scenario Low-Altitude Security

Tailored PCBA for integrators: mic array & drone acoustic apps.

Military Defense & Battlefield Security

Battlefield Reconnaissance & Defense

Passive acoustic detection avoids electromagnetic exposure, ensuring concealment on the battlefield. It detects enemy drones for early warning and situational awareness.

Base & Camp Protection

24/7 monitoring of military camps, command centers, and logistics bases to prevent drone intrusion, espionage, and terrorist attacks.

Frontline Force Protection

Vehicle-mounted and portable systems support mobile operations, detecting low-altitude threats and protecting personnel safety.

  • Passive detection, no electromagnetic radiation
  • High stability in complex battlefield environments
  • Fast positioning within 100ms
  • Support multi-target tracking

Aviation Traffic & Airport Security

Airport Clear Airspace Control

Deployed in 3km no-fly zones to detect invading drones, shorten early warning time, and ensure flight take-off and landing safety.

General Aviation & Flight Camps

Monitors low-altitude flight order and prevents collisions between drones and manned aircraft.

  • No interference to navigation and radar
  • All-weather stable operation
  • High-precision localization

Public Security & Large Events

Major Events & Venue Security

Used in sports events, concerts, and summits to detect rogue drones and ensure crowd safety.

VIP & Dignitary Protection

Vehicle-mounted acoustic system escorts convoys to prevent drone attacks and espionage.

Anti-Terrorism & Law Enforcement

Locates drones carrying explosives or surveillance equipment during operations.

Critical Infrastructure Protection

Energy & Oil & Gas Facilities

Non-electromagnetic acoustic solution avoids explosion risks in oil depots and gas stations.

Power Grid & Substations

Monitors transmission lines and communication hubs to ensure public lifeline security.

Dams, Bridges & Water Conservancy

All-weather monitoring to prevent sabotage and illegal intrusion.

Border & Homeland Security

Land Border Monitoring

Low-cost nodes form an acoustic network to detect cross-border drones and fill coverage gaps.

Coastal & Island Control

Prevents smuggling, illegal immigration, and unauthorized reconnaissance.

Industrial & Energy Production

Oil & Gas Fields & Pipelines

Protects energy facilities from sabotage, reconnaissance, and data theft.

Mines & Large Industrial Plants

Prevents production interference and confidential process espionage.

Logistics & Warehousing Parks

Guards inventory privacy and intelligent warehouse operations.

Smart City & Special Sites

Prisons & Detention Centers

Stops drone contraband delivery and illegal photography in low-noise environments.

Research Institutes & Classified Units

Protects IP, scientific data, and confidential information.

High-end Communities & Commercial Centers

Prevents privacy invasion and maintains public order.

Environmental & Wildlife Reserves

Monitors illegal aerial photography and poaching activities.

Technical Specifications

Item Parameter
Positioning Time 100ms
Max Targets 3 targets (can be further improved)
Detection Distance (Single Array) 0-500m (quiet environment)
0-150m (urban environment)
With AI technology, early warning distance can be greatly improved (under R&D)
Three-Array Collaboration Positioning accuracy: 10m or 10% (whichever is larger)
Triangular positioning with 3 arrays
Multi-Array Networking Max distance: 2-5km
Greatly improve positioning & detection range
Positioning Accuracy 5° (when drone is hovering)
Azimuth Angle Max 360°
Pitch Angle Max 80° (Range: -20° to 90°)
Dimensions 460*460*20mm
Weight < 3.5kg
Interfaces USB / RJ45 / Serial Port
False Alarm Rate <10% (with AI recognition)
Recognition Rate >90% (with AI recognition)

Get Your Full-Scenario Anti-UAV Solution

We provide PCBA modules, system integration, customization and technical support for global integrators.

WhatsApp: +86 18123677761  | 

Microphone Array Anti-UAV Solution | Drone Acoustic Localization System

PCB & PCBA – The Ultimate Solution

If they can’t quote, we can.

If they can’t sample, we can.

If they can’t produce, we can.

If they can’t deliver, we can.

We don’t just make PCBs.

We build complete PCBA solutions.

From the most complex high-speed boards

to full turnkey assembly,

we turn “impossible” into “on time, on spec, on budget.”

When others hit their limit,

we start our work.

We are the last stop for your PCB & PCBA needs.

FR4PCB.TECH Quick-Turn PCB Prototyping & Fabrication

FR4PCB.TECH – Quick Turn PCB Prototype Expert, From Prototype to Mass Production,Free DFM Analysis, Instant Quote, 24/7 Support,Quality You Can Count On, Speed You Need.

All-in-One Turnkey PCB Assembly – Component Sourcing, Assembly, Testing & Delivery

Turnkey PCB Assembly Service – From Gerber to Finished Product, We Handle It All,Component Verification, Precision Assembly, 100% Testing,From Prototyping to Mass Production – Turnkey PCB Assembly with Consistent Quality, RoHS/UL Compliant,Fast Turnaround + IPC-A-610 Quality, No Compromises.