"Everything we build starts with design engineering. CECL manufactured boards for one of our products. It went perfectly – a real success.It is really an high quality service they have provided to us!"
By Nile Smith from Sinotech Inc.
“We had several very old device with obsolete boards need to be replaced –through CECL professional service.We got what we needed, and we’ve been using the results of the work without any problem till now.”
By Richard Anderson from TWP system Inc.
"Guys from CECL manufacture PCBs we use in one of our products, a clinometer and we’ve never had a problem with anything. The boards come in, they work. And, their team is very responsive."
The Microwave Hyperthermia Circuit Card Replication process represents a highly specialized application of reverse engineering and advanced PCB reproduction technology used in medical electronic equipment. Microwave hyperthermia systems are widely used in oncology treatments, applying controlled electromagnetic energy to target tissues. These systems rely on complex circuit cards that precisely control power output, frequency modulation, and temperature feedback. When the original manufacturer ceases production or documentation is lost, the ability to recover, recreate, and replicate the circuit card becomes essential to ensure equipment maintenance, restoration, and continued medical reliability.
Die Reproduktion von Leiterplatten für Mikrowellen-Hyperthermie ist eine hochspezialisierte Anwendung von Reverse Engineering und fortschrittlicher Leiterplatten-Reproduktionstechnologie, die in der Medizintechnik eingesetzt wird. Mikrowellen-Hyperthermie-Systeme finden breite Anwendung in der Onkologie, indem sie gezielt elektromagnetische Energie auf das Zielgewebe abgeben. Diese Systeme basieren auf komplexen Leiterplatten, die Leistung, Frequenzmodulation und Temperaturrückmeldung präzise steuern. Wenn der Originalhersteller die Produktion einstellt oder die Dokumentation verloren geht, ist die Fähigkeit, die Leiterplatte zu sichern, nachzubauen und zu replizieren, unerlässlich, um die Wartung, Instandsetzung und die fortlaufende medizinische Zuverlässigkeit des Geräts zu gewährleisten. Der Replikationsprozess beginnt mit der Demontage und Analyse der vorhandenen Leiterplatte. Ingenieure reinigen und prüfen die Originalplatine und dokumentieren alle Komponenten, Anschlüsse und Sensorschnittstellen. Mithilfe von Laserscanning und Röntgenbildgebung extrahieren sie das Layout der Oberflächen- und Innenlagen, um präzise Gerber-Dateien zu erstellen. Die Gerber-Datei dient als Fertigungsvorlage für die Leiterplattenproduktion und definiert Leiterbahnen, Durchkontaktierungen, Lötstopplacke und Siebdrucke, die eine identische Signalführung und Impedanzkontrolle gewährleisten.
The replication process begins with the disassembly and analysis of the existing Microwave Hyperthermia Circuit Card. Engineers first clean and inspect the original board, documenting all components, connectors, and sensor interfaces. Using laser scanning and X-ray imaging, they extract the layout drawing of both surface and inner layers, enabling them to reproduce accurate Gerber files. The Gerber file serves as the manufacturing blueprint for bare board production, defining copper traces, vias, solder masks, and silkscreens that ensure identical signal routing and impedance control.
Circuit Engineering CO.,LTD can replicate circuit card and extract the producible circuit card Gerber File; we can also convert the circuit Card Gerber File to any other circuit card software format include POWERPCB, PROTEL99, PADS2000.,etc.
Circuit Engineering CO.,LTD can replicate circuit card and extract the producible circuit card Gerber File; we can also convert the circuit Card Gerber File to any other circuit card software format include POWERPCB, PROTEL99, PADS2000.,etc
We can also help customer reverse engineering circuit board schematic diagram, circuit board package diagram, BOM list and outsource the circuit card manufacture include prototype and mass production. Additional, second phase development of circuit card in view of customer requirement is available.
After obtaining the Gerber file, the next step involves restoring the schematic diagram and netlist through systematic electrical tracing. This stage deciphers how power distribution, microwave amplification, and control signals interact within the system. The netlist precisely maps the electrical connections among components, while the schematic diagram allows engineers to verify circuit functionality and isolate sensitive analog and RF sections. These documents form the foundation for remanufacturing and redevelopment, making it possible to convert the recovered data into practical engineering files ready for production.
Le processus de réplication des cartes de circuits imprimés pour l’hyperthermie par micro-ondes représente une application hautement spécialisée de la rétro-ingénierie et des technologies avancées de reproduction de circuits imprimés utilisées dans les équipements électroniques médicaux. Les systèmes d’hyperthermie par micro-ondes sont largement utilisés en oncologie, appliquant une énergie électromagnétique contrôlée aux tissus cibles. Ces systèmes reposent sur des cartes de circuits imprimés complexes qui contrôlent avec précision la puissance de sortie, la modulation de fréquence et la régulation de température. Lorsque le fabricant d’origine cesse la production ou que la documentation est perdue, la capacité de récupérer, recréer et répliquer la carte de circuit imprimé devient essentielle pour garantir la maintenance, la remise en état et la fiabilité médicale continue des équipements. Le processus de réplication commence par le démontage et l’analyse de la carte de circuit imprimé existante. Les ingénieurs nettoient et inspectent d’abord la carte d’origine, en documentant tous les composants, connecteurs et interfaces de capteurs. À l’aide de la numérisation laser et de l’imagerie par rayons X, ils extraient le schéma d’implantation des couches de surface et internes, ce qui leur permet de reproduire des fichiers Gerber précis. Le fichier Gerber sert de plan de fabrication pour la production de la carte nue, définissant les pistes de cuivre, les vias, les masques de soudure et les sérigraphies qui garantissent un routage des signaux et un contrôle d’impédance identiques.
Following documentation recovery, a detailed BOM list (Bill of Materials) is compiled to identify every component on the circuit card. The BOM list includes microwave transistors, high-frequency capacitors, temperature sensors, and control ICs. During refurbishment or redesign, it may be necessary to substitute obsolete components with modern equivalents. Careful redevelopment ensures that replacements maintain identical impedance, phase stability, and frequency response—critical parameters in microwave applications. This stage requires engineers to recreate the performance of the original board while sometimes improving reliability and thermal efficiency.
Il processo di replicazione delle schede di circuito per ipertermia a microonde rappresenta un’applicazione altamente specializzata del reverse engineering e della tecnologia avanzata di riproduzione dei PCB utilizzata nelle apparecchiature elettroniche medicali. I sistemi di ipertermia a microonde sono ampiamente utilizzati nei trattamenti oncologici, applicando energia elettromagnetica controllata ai tessuti bersaglio. Questi sistemi si basano su schede di circuito complesse che controllano con precisione la potenza in uscita, la modulazione di frequenza e il feedback della temperatura. Quando il produttore originale cessa la produzione o la documentazione viene persa, la capacità di recuperare, ricreare e replicare la scheda di circuito diventa essenziale per garantire la manutenzione, il ripristino e l’affidabilità medica continua delle apparecchiature. Il processo di replicazione inizia con lo smontaggio e l’analisi della scheda di circuito per ipertermia a microonde esistente. Gli ingegneri puliscono e ispezionano innanzitutto la scheda originale, documentando tutti i componenti, i connettori e le interfacce dei sensori. Utilizzando la scansione laser e l’imaging a raggi X, estraggono il disegno del layout sia degli strati superficiali che di quelli interni, consentendo loro di riprodurre file Gerber accurati. Il file Gerber funge da modello di produzione per la produzione di schede bareboard, definendo tracce di rame, via, maschere di saldatura e serigrafie che garantiscono un routing del segnale e un controllo dell’impedenza identici.
Microwave hyperthermia printed circuit board clone and its second phase development is another successful case our company has in this industry, below is the microwave hyperthermia treatment circuit card introduction:
Operational Parameter:
1 Working Frequency: 433.9MHz±4MHz;
2 Output power: 0-100W; 0-200W can switch;
3 Temperature Control: 25-50 degree;
4 Temperature tolerance: +/-0.2degree;
5 Voltage standing wave ratio: ≤2
6 Temperature measurement route: T1/2/3/4;
Features:
1 Operational system: WINDOW 98 with real time temperature and power inspection;
2 Temperature measurement: high resistance NO interference real-time temperature measurement system;
3 Radiation: design by STANDFORD university with high heat efficiency and even thermal dissipation;
4 Military-level main-system and microwave transport cable, low power consumption, high efficiency and low cycle time;
5 Automatically alarming function for overpower and insufficient power situations;
6 Has emergency halt and manual halt to ensure the security;
Once the BOM list is finalized, the Microwave Hyperthermia Circuit Card Replication project moves into the assembly phase. Using automated pick-and-place systems guided by the Gerber file and layout drawing, all electronic parts are mounted onto the newly manufactured PCBs. The assembled boards are then soldered, inspected, and tested under controlled conditions to duplicate the operational behavior of the original design. Calibration involves verifying RF power levels, phase alignment, and response accuracy under simulated patient conditions.
El proceso de replicación de tarjetas de circuito para hipertermia por microondas representa una aplicación altamente especializada de ingeniería inversa y tecnología avanzada de reproducción de PCB, utilizada en equipos electrónicos médicos. Los sistemas de hipertermia por microondas se utilizan ampliamente en tratamientos oncológicos, aplicando energía electromagnética controlada a los tejidos objetivo. Estos sistemas dependen de tarjetas de circuito complejas que controlan con precisión la potencia de salida, la modulación de frecuencia y la retroalimentación de temperatura. Cuando el fabricante original cesa la producción o se pierde la documentación, la capacidad de recuperar, recrear y replicar la tarjeta de circuito se vuelve esencial para garantizar el mantenimiento, la restauración y la fiabilidad médica continua del equipo. El proceso de replicación comienza con el desmontaje y el análisis de la tarjeta de circuito para hipertermia por microondas existente. Los ingenieros primero limpian e inspeccionan la placa original, documentando todos los componentes, conectores e interfaces de sensores. Mediante escaneo láser e imágenes de rayos X, extraen el diseño de las capas superficiales e internas, lo que les permite reproducir archivos Gerber precisos. El archivo Gerber sirve como plano de fabricación para la producción de la placa base, definiendo las pistas de cobre, las vías, las máscaras de soldadura y las serigrafías que garantizan un enrutamiento de señal y un control de impedancia idénticos.
Converting reverse-engineered files into real production demands careful attention to detail. Engineers must ensure signal isolation between high-frequency microwave paths and low-noise control circuitry, proper thermal dissipation from high-power amplifiers, and compliance with medical safety standards. Small variations in trace width or dielectric thickness can lead to frequency drift, making precision in reproduction absolutely vital.
Challenges during replication include decoding proprietary signal control architectures, identifying custom ICs without visible markings, and maintaining electromagnetic compatibility (EMC). Advanced analytical tools and experience in RF engineering are often necessary to restore the full functional performance. Despite these challenges, successful cloning and reproduction of such medical PCBs bring immense value to healthcare institutions—extending the lifespan of costly equipment and reducing dependency on discontinued parts.
Ultimately, Microwave Hyperthermia Circuit Card Replication demonstrates how reverse engineering, combined with modern PCB redevelopment techniques, bridges the gap between old and new technology. Through accurate recovery, refurbishment, and remanufacture, engineers can replicate mission-critical systems while ensuring safety, efficiency, and compatibility with clinical standards. This approach not only preserves the operational integrity of microwave hyperthermia devices but also supports the sustainable evolution of medical electronics manufacturing.
