COHO Advanced Materials Tech. Co., Ltd. has been dedicated to advanced ceramics, specialty materials, and precision manufacturing technologies for more than two decades. With extensive expertise in material development, forming, sintering, and precision machining, COHO serves a wide range of high-value industries, including semiconductors, power electronics, advanced thermal management, optical communications, and high-end industrial applications.
COHO Advanced Materials —
Advanced Materials For Next-Generation
Technologies.
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Materials Technology × Process Integration × Precision Machining × Application Development
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Core Materials & Manufacturing Capabilities
Since 2016, COHO has expanded its material development capabilities into energy technologies, advanced thermal management, and high-thermal-conductivity ceramics. The company invested in ceramic fuel cell stack technologies and successfully established mass-production capabilities for high-thermal-conductivity aluminum nitride (AlN) substrates. Driven by the rapid growth of semiconductors, high-power electronics, and AI computing, COHO continues to focus on the development of materials featuring high thermal conductivity, low thermal expansion, high electrical insulation, and superior plasma resistance, further strengthening its presence in semiconductor and advanced thermal management applications. COHO's core material portfolio includes aluminum nitride (AlN), aluminum oxide (Al₂O₃), zirconium oxide (ZrO₂), silicon carbide (SiC), aluminum silicon carbide (AlSiC), yttrium oxide (Y₂O₃), YAG, ALON, and other advanced functional materials. With vertically integrated capabilities spanning material formulation, powder processing, precision forming, sintering, CNC precision machining, surface treatment, metrology, analytical testing, and quality validation, COHO provides one-stop manufacturing solutions tailored to customer requirements. Our engineering teams work closely with customers on material selection, structural design, process development, and customized manufacturing, accelerating the transition from concept and prototyping to stable mass production.
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Integrating Materials Technology to Enable Advanced Applications
As Co-Packaged Optics (CPO), Silicon Photonics, and high-speed optical communications continue to advance, COHO is extending its established precision ceramic forming and micro-machining technologies into MT Ferrules, MT Alignment components, and ceramic components for optoelectronic packaging. By combining high-precision dimensional control, high-thermal-conductivity materials, and low-thermal-expansion characteristics, COHO is progressively building an Advanced Ceramic Solutions platform designed for AI-driven high-speed data transmission and next-generation optoelectronic packaging. COHO's core competitiveness goes beyond manufacturing individual products. It lies in our comprehensive understanding of the relationship between materials, processes, structures, and applications. From material formulation, sintering mechanisms, and microstructure control to precision machining, reliability validation, and mass-production management, COHO continues to develop proprietary technologies and manufacturing know-how. Through cross-material and cross-process integration, we help customers address complex material challenges in demanding environments involving high temperatures, high power, high vacuum, plasma exposure, and ultra-high-precision applications.
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Future Development & Technology Roadmap
Looking ahead, COHO will focus on four major growth areas: critical ceramic components for semiconductor equipment, advanced thermal management materials, power electronics, and CPO/optoelectronic packaging. We will continue to advance technologies in high thermal conductivity, plasma resistance, electrical insulation, low thermal expansion, and high reliability, while accelerating manufacturing automation, digital transformation, and quality management enhancement. Evolving from a precision ceramics manufacturer into an advanced materials solutions provider, COHO is committed to leveraging its long-established expertise in materials science and precision manufacturing to collaborate with customers worldwide. Together, we aim to develop the critical materials and precision components that enable the next generation of semiconductors, AI computing, high-speed communications, and high-power electronics.
Corporate Vision
Advanced Materials, Empowering Next-Generation Technologies
COHO Advanced Materials Tech. Co., Ltd. embraces “Advanced Materials, Empowering Next-Generation Technologies” as its corporate vision.
Building on decades of expertise in materials science, precision ceramics, sintering technologies, and precision machining, COHO continues to advance toward high-performance, high-reliability, and high-value-added material solutions.
As advanced semiconductor manufacturing, AI high-performance computing, power electronics, and high-speed optical communications continue to accelerate, COHO is strategically focused on four key areas: critical ceramics for semiconductor applications, advanced thermal management materials, power electronics, and Co-Packaged Optics (CPO).
We continue to strengthen our expertise in key materials, including aluminum nitride (AlN), aluminum silicon carbide (AlSiC), silicon carbide (SiC), and plasma-resistant ceramics, while building comprehensive capabilities spanning material development, process integration, precision machining, and application validation.
Our goal goes beyond supplying materials and components. We aim to become a trusted Advanced Materials Solution Partner, working closely with global industry partners to address critical challenges in thermal management, precision manufacturing, and materials for extreme environments.
Through continuous innovation and engineering excellence, COHO is committed to bringing Taiwan-developed advanced material technologies into the global high-end supply chain and enabling the technologies of tomorrow.
Three Core Businesses
Precision Components Business
COHO’s Precision Components Business specializes in specialty materials, precision forming, and high-accuracy manufacturing. With extensive experience in ceramic and metal injection molding, sintering, CNC machining, and dimensional control, we provide one-stop precision component solutions from material selection and process design to prototyping and mass production. Our material portfolio includes alumina, zirconia, engineering ceramics, and specialty metal materials, enabling us to provide tailored material solutions with properties such as wear resistance, corrosion resistance, high hardness, high-temperature stability, and electrical insulation for diverse operating environments. Our precision components are widely used in industrial equipment, precision machinery, electronics, optical communications, and specialized mechanical applications. Through the vertical integration of materials technology and precision manufacturing, COHO helps customers transform complex designs into products optimized for manufacturability, reliability, and cost competitiveness. Moving forward, we will continue to advance toward higher precision, miniaturization, and high-performance material applications, positioning COHO as a key technology partner supporting customers from product development through mass production.
Semiconductor Business
COHO’s Semiconductor Business is built around advanced ceramic materials, thermal management, and precision manufacturing. By integrating material formulation, forming, sintering, precision machining, and quality validation, we develop critical components designed for demanding environments involving high temperatures, vacuum, plasma exposure, and ultra-clean processing conditions. Our core material portfolio includes aluminum nitride (AlN), aluminum oxide (Al₂O₃), silicon carbide (SiC), yttrium oxide (Y₂O₃), YAG, and aluminum silicon carbide (AlSiC). Key applications include AlN heaters, ceramic substrates, lift pins, nozzles, and precision ceramic components for semiconductor process chambers, while we continue to expand our capabilities in high-thermal-conductivity and plasma-resistant materials. In response to the rapid advancement of AI, high-power semiconductors, and advanced semiconductor processes, COHO continues to enhance material purity, thermal performance, dimensional precision, and process stability. Our goal is to establish a comprehensive technology platform spanning materials, precision components, and application solutions, positioning COHO as a trusted materials technology partner for the global semiconductor equipment and advanced thermal management industries.
Medical Device Business
COHO’s Medical Device Business is built on years of expertise in bioceramics and precision manufacturing, supported by a quality management and process traceability system designed to meet the stringent requirements of the medical industry. With the implementation of the ISO 13485 Medical Devices Quality Management System, COHO integrates advanced materials technology, precision machining, and rigorous quality control throughout its medical product manufacturing processes. We have extensive capabilities in the forming, sintering, grinding, precision machining, and surface treatment of engineering ceramics such as zirconia (ZrO₂) and alumina (Al₂O₃). ba<x>sed on customer requirements, COHO provides comprehensive support covering material selection, structural development, customized manufacturing, and volume production for medical instruments, precision ceramic components, and other specialized medical applications. Looking ahead, our Medical Device Business will continue to leverage COHO’s long-standing strengths in material reliability, precision dimensional control, quality assurance, and stable mass production to serve international customers. The rigorous quality culture established through our medical business also serves as an important foundation for quality excellence across COHO’s advanced materials businesses.
COHO — Your Trusted Choice for Advanced Materials.
Professional Certifications
COHO Advanced Materials TechCOHO Advanced Materials Tech
Group History
Company Milestones
- 2026Developed an environmentally conscious micro deep-hole cleaning process for precision ceramic components.Collaborated with a Japanese industry partner on the development of AlN heaters for advanced applications.Collaborated with the Industrial Technology Research Institute (ITRI) to develop process technologies for the recycling and reuse of critical materials.
- 2024Established a dedicated Semiconductor Ceramics CIP Team to advance ceramic sintering and machining technologies with a focus on energy-efficient manufacturing.Established the Sustainability Action Office and completed the company’s greenhouse gas emissions inventory and report.
- 2020Launched a high-thermal-conductivity Aluminum Nitride (AlN) substrate with thermal conductivity of 230 W/m·K.
- 2017Collaborated with an industry partner to develop fuel cell stack technology.
- 2015Advanced plasma surface modification technology for ceramic implants and was selected for Taiwan’s A+ Industrial Innovation R&D Program supported by the Ministry of Economic Affairs.
- 2014Obtained TFDA, FDA, and CE regulatory approvals for our ceramic dental implant system, marking a significant milestone in the Asian ceramic implant industry.
- 2010Achieved ISO 9001 and ISO 13485 certifications.Received the Small Business Innovation Research (SBIR) Award in recognition of technological innovation and R&D achievements.
- 2005Began manufacturing ceramic surgical knives for an international medical device company.
- 2001COHO was established, with ceramic and metal injection molding (CIM/MIM) capabilities developed for the production of ceramic and metal fiber-optic connector components.