KKPCB Blog – PCB & PCBA Insights, News, and Tips - KKPCB
 

Blog

Explore the KKPCB Blog for the latest PCB manufacturing and assembly news, industry insights, expert tips, and technology trends, helping you stay informed and optimize your electronics projects.
Case Study: Medical Ventilator High-Precision Pressure Sensor PCBA Solution

1️⃣ Background Overview Global medical equipment is accelerating its intelligentization, and the requirements for the accuracy and reliability of pressure sensors in ventilators continue to increase. A Middle Eastern medical equipment manufacturer plans to upgrade its ventilator airway control system, which requires a differential pressure sensor module that can operate stably in a high temperature and...

1. Customer Profile Client: Anonymous Industry: ADAS (Advanced Driver Assistance Systems), Autonomous Vehicles Application: 77GHz Long-Range Radar (LRR) for Highway Pilot & Collision Avoidance Customer’s Requirements: 77GHz (76-81GHz) mmWave radar compliant with ISO 26262 ASIL-B. AEC-Q100 Grade 2 (-40°C to +105°C) qualification for automotive reliability. High-resolution object detection (<0.1° angular accuracy). Vibration-resistant (MIL-STD-810G) for off-road/EV applications. Key Challenges: Dielectric loss (Df) at 77GHz degrading...

Satellite IoT Dual-Mode Communication PCB: High-Reliability Design for Harsh Environments

(ASTM E1647 Validated, 60% Cost Reduction vs. Ceramic Substrates) Project Introduction This project developed a mission-critical PCB for commercial satellite IoT terminals requiring: Dual-mode operation (LoRa terrestrial + L-band satellite backhaul) Ultra-low power (<1W total system consumption) 15-year orbital longevity withstanding -45°C to +85°C thermal cycling “The Rogers/Taconic hybrid stackup solved our insertion loss and CTE mismatch problems...

Manufacturing Optimization Case: Mass Production Solution for 256-Channel Phased Array Antenna Feed Network PCBs

—Breakthroughs in Millimeter Wave PCB Processing Technology and Production Efficiency Contact: sales@kkpcb.com   1. Project Background Industry: Satellite Communications/Military Radar Application Scenario: 256-channel phased array antenna system (28GHz Ka-band) Customer requirements: ±60° beam steering, ±0.5dB amplitude consistency, 8-week delivery 2. Customer Pain Points & Manufacturing Challenges Challenge Category Original Design Issues KKPCB Manufacturing Solutions Process Compatibility...

KKPCB Manufacturing Case: Mass Production Solution for Military-Grade Rugged Computer PCBs

1. Customer Requirements & Background Industry: Defense Electronics End Applications: Armored vehicle main control units Field communication relay equipment Manufacturing Challenges: Heterogeneous material processing (AlSiC metal substrate + FR4 multilayer hybrid lamination) Extreme environment reliability (MIL-STD-810H vibration compliance) Military-grade quality control (100% inspection + batch traceability) Previous Supplier Pain Points: ✔ AlSiC substrate yield only 65% (delamination due to...

Pressure Sensor PCBA Solution Case Study for Industrial Control Equipment

1.Background Overview A client from Europe, engaged in the development of industrial automation systems, required integration of a high-precision pressure sensor module in their next-generation process control system. The module needed to detect subtle changes in gas or liquid pressure in real time to enable dynamic control and safety alerts. Given the complex environment in...

KKPCB Manufacturing Case Study: 40kW High-Power RF Amplifier Metal-Core PCB

Client Industry: European Industrial Equipment Manufacturer Applications: Particle Accelerator RF Systems / Industrial Microwave Heating 1. Industry Manufacturing Challenges Critical Requirements: Sustain 100A+ high-frequency current (13.56MHz) Maintain MOSFET junction temperature <135°C in 85°C ambient Achieve 10-year maintenance-free operation Previous Supplier Issues: ▶ CTE mismatch in traditional aluminum substrates caused copper layer delamination ▶ Manual MOSFET soldering led...

KKPCB Manufacturing Case Study: Precision Flexible PCB for Near-Field Probe Calibration

Client Industry: European EMC Testing Equipment Manufacturer Applications: ISO 17025-Certified Probe Calibration / High-Frequency Field Measurement 1. Manufacturing Challenges Critical Requirements: Maintain dielectric thickness tolerance ±2% across 150mm×150mm panels (18GHz applications) Control Dk temperature drift within ±0.02 (-40°C to +85°C) Achieve 100% electrical parameter consistency for laboratory-grade calibration Previous Supplier Limitations: ▶ Manual thickness compensation caused ±8% dielectric variation ▶ PTFE delamination during lamination...

PCBA Solution Case Study for Motor Driver

— High-Performance Drive Control Board Empowering Industrial Control Systems 1. Background Overview A customer from the Middle Eastern region, engaged in industrial control system integration, planned to develop a two-phase open-loop stepper motor driver for use in precision mechanical control applications. The project required a control board (PCBA) with high stability, strong interference resistance, precise microstepping control,...

KKPCB Customer Case Study: Tunnel Wireless Relay PCB for Harsh Environments

Client: A Leading Metro System Operator (Asia) Application: Underground Tunnel Communication Systems 1. Operational Challenges Environmental Conditions: 24/7 high humidity: 95% RH (Relative Humidity) Condensation cycles with temperature fluctuations (15°C–45°C) Continuous vibration from passing trains Critical Failures Observed: ▶ Insulation resistance (IR) dropped to <1GΩ within 6 months ▶ Bit Error Rate (BER) surged to 10⁻⁴ (vs....