2026-04-11
As electronic devices for 5G communications, automotive, and aerospace industries demand higher integration and reliability, traditional organic PCB materials are reaching their physical limits. LTCC (Low Temperature Co-fired Ceramic) technology has emerged as the premier solution for high-frequency and high-power applications.
At Beton Technology, we specialize in high-end precision PCB manufacturing. In this post, we’ll explore the manufacturing process of LTCC and why it is the preferred choice for next-generation electronics.
LTCC refers to a multilayer ceramic packaging technology where ceramic powders are cast into "green tapes." These tapes are then processed with circuit patterns, stacked, and fired together in a furnace at temperatures typically below 900°C.
The "Low Temperature" aspect is critical—it allows the use of high-conductivity metals like Gold (Au), Silver (Ag), and Copper (Cu) as conductors, which would melt at the higher temperatures required for traditional ceramic substrates (HTCC).
At Beton Technology, our quality control ensures that every stage of the LTCC process meets international standards for precision:
Tape Casting: Ceramic powder is mixed with binders and plasticizers to create uniform, high-density green tapes.
NC Punching: Vertical interconnect vias are formed using high-precision mechanical punching or laser drilling. We can achieve micro-via diameters of < 50 μm.
Via Filling & Screen Printing: Conductive pastes are filled into the vias and circuit patterns are printed onto the surface of the green tapes.
Lamination: Multiple layers of green tapes are precisely aligned and pressed together under controlled temperature and pressure (50 --30 kg/cm).
Co-firing: The laminated stack is fired in a furnace. This single-step sintering process removes binders and solidifies the ceramic and metal into a monolithic structure.
Inspection & Testing: Each substrate undergoes 100% electrical testing and flatness checks to ensure it meets the rigorous demands of the end-use environment.
Why are global engineers switching to LTCC for RF and microwave applications?
Superior Thermal Management: Ceramic substrates offer significantly higher thermal conductivity than standard FR4, ensuring efficient heat dissipation for high-power components.
Low Signal Loss: LTCC provides a low dielectric constant and stable performance at high frequencies, making it ideal for 5G millimeter-wave applications.
Extreme Integration: It is easy to embed passive components (resistors, inductors, capacitors) within the layers, reducing the overall module size by up to 60%.
Durability: LTCC is resistant to high temperatures, humidity, and chemical corrosion, offering high mechanical strength for aerospace and automotive sensors.
The global demand for LTCC is growing steadily, with a projected compound annual growth rate (CAGR) of 6.8% through 2026.
5G/6G Infrastructure: LTCC is the cornerstone for high-performance filters and antenna modules.
Smart Automotive: Crucial for LiDAR and mmWave radar systems where reliability is non-negotiable.
Satellite & Aerospace: Ideal for compact, lightweight, and radiation-hardened electronic modules.
At Beton Technology, we understand that our clients in Mexico, Europe, and beyond require more than just a manufacturer—they need a partner who understands international compliance, logistics, and technical excellence. Whether you are dealing with complex HDI requirements or specific gold thickness specifications (e.g., Au > 0.1µm, we are here to support your innovation.
Ready to start your next project?
Our engineering team is available to assist with EQs and provide competitive quotes for LTCC, HTCC, or high-precision PCB projects.
📩 Contact us today: Cristina@beton-tech.com