Hybrid Microwave RFID PCB: 8-Layer Rogers 4350B Stackup, ENIG Finish

Material Advantages
High frequency performance: Rogers 4350B is used for the surface layer, with a stable dielectric constant (DK=3.48 ± 0.05) and a loss tangent of only 0.0037 at 10GHz, ensuring almost zero loss transmission of microwave signals and increasing the reading distance of RFID tags to over 15 meters.
Cost optimization: The inner layer uses high TG FR-4 substrate, which reduces material costs by 30% while ensuring structural strength, making it suitable for large-scale RFID tag production.
Thermal stability: Rogers 4350B glass transition temperature (Tg)>280 ℃, FR-4 layer Tg 170 ℃, suitable for reflow soldering and extreme temperature environments.
Hybrid Stackup Design
8-layer architecture: Layers 1-2 are Rogers 4350B (antenna layer), Layers 3-6 are FR-4 (power/ground plane), and Layers 7-8 are Rogers 4350B (RF transceiver circuit), achieving perfect isolation of signal power ground.
Impedance matching: Optimize the width of microstrip/strip lines through 3D electromagnetic field simulation, support harmonic suppression up to 40GHz, and reduce the error rate of RFID systems.
Advanced Process
Laser drilling: Minimum 0.2mm micro hole, achieving high-density interconnection and adapting to miniaturized RFID tag design.
Control deep milling groove: The antenna area adopts an isolation groove design to reduce edge radiation interference and improve reading accuracy.

Military-Grade Performance
Wide temperature operation: Conducted MIL-STD-202G method 107 thermal shock test (-55 ℃) ↔ 125 ℃, 1000 cycles), without delamination or foaming.
Salt spray protection: ENIG surface is resistant to salt spray for 96 hours (ASTM B117), suitable for shipborne/outdoor RFID equipment.
Anti vibration: No device detachment occurred during random vibration testing (20-2000Hz, 15Grms), meeting MIL-STD-810G standard.

For 100Ω differential pairs: The line width is 0.15mm/spacing is 0.2mm

It supports harmonic suppression design (e.g., the third - harmonic attenuation at 40GHz is>30dB) to reduce RF interference.

Process Control

Etching Accuracy: ±0.02mm, ensuring the tolerance of the trace width.

Lamination Alignment: X - RAY positioning, with an inter - layer deviation <50μm, to avoid impedance mutations.

Surface Treatment: ENIG Electroless Nickel Immersion Gold (gold thickness 0.05 - 0.1μm), ensuring the flatness of the solder pads and reducing impedance deviations.

Testing and Verification

100% Impedance Testing: The Polar CITS900 flying - probe test system is used to conduct a full inspection of key RF networks.

Frequency - Domain Verification: The vector network analyzer (Keysight PNA) tests the S - parameters to ensure that the Voltage Standing Wave Ratio (VSWR) < 1.5 (@5.8GHz).

Environmental Reliability:

The impedance drift is <2% under high temperature (125℃) and low temperature (-40℃), meeting the MIL - STD - 883 standard.

After 96 - hour aging at 85% humidity, the impedance change rate is <3%.

Customization Services

Special Impedance Requirements: Supports non - standard impedance design (such as 28Ω/110Ω, etc.) and provides simulation reports and test data.

Impedance Test Report: Delivered with the board, including measured impedance values, TDR waveform diagrams, and VNA curves.

Impedance Advantages in Application Scenarios

RFID Reader Antenna Feed Lines

50Ω precise matching achieves an antenna return loss of < - 20dB at 915MHz/2.45GHz, and the reading distance is increased to 15 meters.

Millimeter - Wave RF Front - End

Impedance consistency (±3%) in the 28GHz band supports millimeter - wave modules for 5G base stations and satellite communications.

High - Speed Differential Signal Transmission

The skew of 100Ω differential pairs is <5ps, ensuring the signal integrity of LVDS/USB 3.0.

Quality Commitment

Standard Basis: Complies with the IPC - 2141A impedance control specification and the IPC - 6012 Class 3A acceptance standard.

Problem Traceability: Retains impedance test data and process parameters for each batch, supporting 10 - year data traceability.

Efficient and Swift Prototyping Service

• Lightning - Fast Delivery Speed: We deeply understand the preciousness of time during project advancement. In terms of the prototyping service for 8 - layer hybrid press boards, relying on our efficient production processes and advanced equipment, we have compressed the delivery time to ≤7 days. This means that you can obtain the samples at the earliest possible time, quickly carry out subsequent testing and evaluation work, greatly shorten the project cycle, and seize the market opportunity.
• Free and Professional Impedance Test Report: To help you comprehensively understand the product performance, we provide a professional impedance test report free of charge. This report is carefully compiled by our experienced technical team, which records in detail the impedance data of the product under different environments and frequencies. It provides you with accurate data support for product design, optimization, and matching with other components, allowing you to have a clear understanding of the product quality and performance.

Authoritative and Rigorous Military - Grade Quality Assurance

• Comprehensive International Certification System: We have successfully passed the ISO9001 quality management system certification, establishing a scientific, rigorous, and complete quality management process. From the screening and procurement of raw materials, to every process in the production process, and then to the inspection and packaging of the final product, every link follows international standards to ensure the stability and reliability of product quality. At the same time, the UL safety certification demonstrates the excellent safety performance of our products, effectively protecting the personal and property safety of users; the ROHS environmental protection certification and the REACH regulation certification reflect our high sense of responsibility for environmental protection, and we are committed to providing customers with green and environmentally friendly PCB products.
• High - Quality Presentation Under Stringent Standards: Our products strictly comply with the IPC - 6012 Class 3A standard, which represents extremely high quality requirements in the PCB industry and covers multiple key dimensions such as product appearance, dimensional accuracy, and electrical performance. Our ability to meet this standard fully demonstrates our exquisite craftsmanship and strict control in the production process, ensuring that every PCB delivered to you has military - grade excellent quality and can operate stably in various complex and harsh environments.

Highly Flexible Customization Service Capability

• All - Round Customization to Meet Diverse Needs: We understand that the PCB needs of different customers vary greatly. Therefore, we provide all - round customization services from design to production. No matter what special requirements you have for the number of layers, size, or functional module layout of the circuit board, or if you need specific materials or processes, our professional team can work closely with you to tailor the most suitable solution according to the characteristics and needs of your project.
• Professional Team Assisting in Solution Optimization: During the customization process, our experienced engineer team will use their professional knowledge to provide you with design optimization suggestions. By reasonably adjusting the circuit layout, selecting the most suitable materials, and other means, we can help you reduce costs and improve product performance while meeting your functional requirements, achieving the maximum benefit of the project.

Complete and Considerate Customer Service System

• Full - course Accompanied Project Follow - up: From the moment you first communicate your project needs with us, a dedicated project manager will provide you with one - on - one service. They will follow up on the project progress throughout the process and promptly feedback every important node in the production process to ensure that you are always kept informed of the project status. Whether it is the discussion of the design plan, the coordination of problems during the production process, or the after - sales service after delivery, you can enjoy efficient, professional, and considerate service.

Rapid Response After - Sales Support: If you encounter any problems during the use of our products, our after - sales team will respond quickly and provide you with solutions in the shortest possible time. Whether it is the handling of product quality problems or technical consultation and guidance, we take customer satisfaction as our primary goal and make every effort to ensure the smooth operation of your project and relieve you of any worries.

• UHF RFID，12，。
• RFID，-40℃。
• 134℃RFID，1000。
• • Intelligent Warehousing: UHF RFID tray tags with a reading distance of 12 meters, adaptable to metal shelf environments.
  • Military Logistics: Anti - metal RFID ordnance management tags, capable of withstanding extremely cold temperatures of - 40℃ and dusty and sandy environments.
  • Medical Sterilization: 134℃ high - temperature sterilization RFID tags, which can be reused for more than 1000 times.

 Intelligent Warehousing: UHF RFID Tray Tags

Enhancing Warehouse Management with Long - Range and Metal - Friendly Tags

In the complex ecosystem of modern intelligent warehousing, efficient inventory tracking and management are of utmost importance. UHF RFID tray tags have emerged as a game - changing solution. These tags are engineered to have an impressive read range of up to 12 meters. This long - range capability allows for quick and easy identification of trays throughout the warehouse, even from a significant distance.

What sets these tags apart is their remarkable adaptability to metal shelf environments. Metal surfaces can pose a significant challenge to RFID signals due to signal reflection and interference. However, our UHF RFID tray tags are designed with advanced anti - interference technology. They are able to accurately transmit and receive signals despite the presence of metal shelves. This makes them ideal for use in warehouses where metal shelving is commonly employed.

With these tags, warehouse operators can conduct rapid inventory checks. Forklift operators can quickly scan trays as they move around the warehouse, eliminating the need for manual scanning of each individual item. This not only saves a substantial amount of time but also reduces the risk of human error. The real - time data provided by these tags enables better stock management, ensuring that inventory levels are always optimized and goods can be retrieved and dispatched more efficiently.

Military Logistics: Anti - Metal RFID Ordnance Management Tags

Reliable Tagging for Challenging Military Environments

Military logistics operations often take place in some of the harshest conditions on Earth. Our anti - metal RFID ordnance management tags are specifically designed to withstand these extreme challenges. They are built to endure the bitter cold of - 40℃. In frigid military deployment areas, such as the Arctic regions or high - altitude mountainous terrains, traditional tags would fail due to the cold - induced brittleness of materials or signal degradation. However, our tags are constructed using special low - temperature - resistant materials and advanced circuit designs that maintain their functionality even in such extreme cold.

In addition to the cold, military operations are also frequently accompanied by dusty and sandy conditions. Sand and dust can infiltrate and damage electronic components. But these anti - metal RFID tags are sealed and protected with a rugged casing that resists the ingress of dust and sand. Their anti - metal properties are crucial in military settings where weapons and equipment are often made of metal. The tags can be attached directly to metal - bodied ordnance without signal interference, allowing for accurate tracking of weapons, ammunition, and other military supplies.

This reliable tagging system ensures that military personnel can always keep track of their valuable ordnance. Whether it's during transportation, storage, or in - field deployment, the tags provide real - time location and status information. This enables better strategic planning, faster response times in case of emergencies, and enhanced overall military logistics efficiency.

Medical Sterilization: 134℃ High - Temperature Sterilization RFID Tags

Durable Tags for Repeated Sterilization in the Medical Field

In the medical industry, maintaining strict hygiene and traceability standards is non - negotiable. Our 134℃ high - temperature sterilization RFID tags are designed to meet the rigorous demands of medical sterilization processes. These tags are capable of withstanding the extremely high temperatures of 134℃ during autoclave sterilization, which is a common and effective method for eliminating bacteria, viruses, and other pathogens in medical facilities.

What's more, these tags have an impressive lifespan, being able to be reused for over 1000 times. This high durability not only reduces the cost associated with constantly replacing tags but also ensures continuous and reliable tracking of medical equipment and instruments. In a hospital setting, where a large number of surgical tools, implantable devices, and other medical supplies need to be sterilized and tracked, these tags play a vital role.

Each time a medical item is sterilized, the tag can be scanned to record the sterilization date, time, and other relevant information. This helps in maintaining a detailed and accurate record of each item's sterilization history, ensuring that only properly sterilized items are used on patients. The ability of these tags to endure repeated sterilization cycles makes them an essential component in modern medical inventory management, contributing to improved patient safety and more efficient hospital operations.