Shenzhen KKPCB Technology Co., Ltd. (KKPCB) is a professional PCB and PCBA manufacturer dedicated to providing one-stop electronic manufacturing solutions. Specializing in high-difficulty, small to medium batch PCB and PCBA production, we focus on delivering high-precision, high-reliability products with fast turnaround times to meet customers’ complex design and technical requirements.

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Contacts

05, 258 Shenshan Rd, Longdong Community, Baolong St, Longgang Dist, Shenzhen, China

+86-177-4855-1367

Engineering Technology

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: Previous Supplier Limitations:▶ Manual thickness compensation caused ±8% dielectric variation▶ PTFE delamination during lamination (yield loss 15%)▶ Probe-to-probe measurement deviation >±3.5dB 2. Precision Manufacturing Innovations (A) Proprietary Process Flow Process Stage Technical Breakthrough Control Precision Material Prepreg […]

Engineering Technology

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

Client Industry: European Industrial Equipment ManufacturerApplications: Particle Accelerator RF Systems / Industrial Microwave Heating 1. Industry Manufacturing ChallengesCritical Requirements: Previous Supplier Issues:▶ CTE mismatch in traditional aluminum substrates caused copper layer delamination▶ Manual MOSFET soldering led to ±15% thermal resistance variation▶ Water-cooling solutions increased system complexity by 30% 2. Advanced Manufacturing Solutions (A) Core Process […]

Engineering Technology
laptop-rugged PCB product

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

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 CTE mismatch)
✔ PCIe gold finger contact failure rate 3,000 PPM (post-vibration)
✔ EMP shielding layer vacuum lamination yield below 80%

Engineering Technology

KKPCB Case Study: 77GHz Automotive Radar PCB

1. Customer Profile Client: AnonymousIndustry: ADAS (Advanced Driver Assistance Systems), Autonomous VehiclesApplication: 77GHz Long-Range Radar (LRR) for Highway Pilot & Collision Avoidance Customer’s Requirements: Key Challenges: 2. KKPCB’s Radar PCBA Solution (A) Material & Stackup Layer Material Function Key Specs RF Layers Rogers RO3003 Antenna Array & Front-End Dk=3.0, Df=0.0013 @ 77GHz Core Arlon 25FR […]

Engineering Technology

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 […]

Engineering Technology
KKPCB Case Study: Hybrid Power+RF PCB for Base Station Applications

KKPCB Case Study: Hybrid Power+RF PCB for Base Station Applications

Client: Anonymous
Industry: Telecom Infrastructure, 5G Macro/Micro Base Stations
Application: Power Amplifier (PA) Modules + RF Front-End PCBs

High-power base station equipment requiring PCBs are able to handle:

High current (30A+) for PAs

Low-loss RF (3.5GHz-28GHz for 5G)

Thermal stability (85°C ambient, 125°C local hotspots)

Key Challenges Faced:

Delamination risk from mixed thick-copper (6oz) and RF layers.

EMI coupling between power and RF sections.

Thermal warping under high thermal cycling.

Engineering Technology

KKPCB Case Study: High-Frequency Fiber Optic Transceiver PCB for Fiber Instrument Sales

Client:  Anonymous
Industry: Fiber Optic Test & Measurement, High-Speed Data Transmission
Application: Next-gen 100G/400G+ optical transceivers, OTDR equipment, and 50GHz RF test modules.

FIS designs precision fiber optic tools, requiring ultra-low-loss PCBs to maintain signal integrity at millimeter-wave frequencies (up to 50GHz). Their challenges include:

Insertion loss degrading high-speed signals (>40Gbps).

Impedance mismatches causing reflection noise.

Thermal expansion leading to microvia cracking in compact designs.

PCB Manufacturing PCB Assembly PCB Design/Layout

KKPCB Case Study: High-Performance Communication Backplane PCB Solution

The customer is a globally leading manufacturer of communication equipment, specializing in the development and production of large-scale routers, switches, servers, and high-speed networking devices. As modern network communications demand increasingly high signal integrity, reliability, and thermal stability, the customer required an 18-layer PCB with low-loss material (S1000-2M) and advanced immersion gold plating to ensure stable signal transmission and long-term reliability

PCB Manufacturing

Rogers RO4835 + IT180 Hybrid High-Frequency PCB for Advanced Applications

The Rogers RO4835 + IT180 hybrid PCB offers unparalleled performance for high-frequency and microwave applications, combining the best attributes of both materials. From automotive radar systems to advanced wireless communication and military-grade electronics, this hybrid PCB is optimized to meet the performance, durability, and reliability requirements of modern technologies.