Our expertise
CTVM specializes in the manufacture of hermetic glass-to-metal feedthroughs, glass-sealed ceramic-to-metal assemblies, filament blocks, filaments, and Bayard-Alpert gauges.
Processes
Our expertise : hermetic glass-to-metal sealing, manufacturing of both small and long filaments, surface finishing, assembly using TIG or electrical welding….
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Materials
The materials that we use and offer include sealing glasses and various metals : Kovar, stainless steel 304L and 316L, molybdenum, tungsten, Inconel, and titanium…
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Products
CTVM offers hermetic single-pin or multi-pin feedthroughs, glass-to-metal assemblies, filament blocks, long sublimation filaments, and both standard and customized Bayard-Alpert gauges…
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ABOUT CTVM
« CTVM - Your Partner of Choice »
- Genuine technical expertise
- A high level of quality (ISO 9001:2015 certified)
- A company size that allows for great agility and responsiveness
- Extensive experience and know-how from our team
« CTVM — Your Trusted Partner »
- Trusted by major industrial clients and research laboratories
- The ability to support you throughout your projects
- A lasting relationship of trust between CTVM and its customers
- Part of the Microcertec Group since 2014
CTVM is one of the three entities grouped under the parent company Microcertec Holding, and is a specialist in glass-to-metal and ceramic-to-metal glass sealing.
It operates alongside Microcertec and Cerafast, both of which specialize in the manufacture of customized components made from technical ceramics.
All three companies are managed synergistically under a common management structure and are collectively known as MICROCERTEC..
It operates alongside Microcertec and Cerafast, both of which specialize in the manufacture of customized components made from technical ceramics.
All three companies are managed synergistically under a common management structure and are collectively known as MICROCERTEC..
MICROCERTEC S.A.S, specialized in high-precision grinding of advanced ceramics and glass, ultrasonic machining and laser micro-machining.
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CERAFast, specialized in precision isostatic pressing and multiple axes green machining of aluminas and zirconias.
CTVM, specialized in technical glass blowing, glass-to-metal seals, filaments and Bayard Alpert gauges.
OUR HISTORY
2007 Acquisition of the assets of SVT (a company with 50 years of experience) by Silitec
2009 Separation of the former SVT activities and creation of CTVM in Gretz-Armainvilliers – close by Microcertec
2012 CTVM is acquired by Microcertec Holding, initiating a synergy with Microcertec S.A.S. (specialized in technical ceramics and precision machining).
2014 CTVM relocates to the premises of Microcertec S.A.S. in Collégien in Greater Paris area, implementing a unified management system and integrating into Microcertec’s ISO 9001 quality system
2025 Selling out of the glass-to-metal blowing activity (tubular fittings) to COLEGLASS, managed by Mr. Michel FALIERO (CTVM’s glassblowing manager from 2022 to 2025).
This long and rich history has provided us with expertise that has been recognized for many years by both industrial and scientific sectors, particularly in the field of high technologies.
Application Markets
Analytical and sensors, vacuum and ultra-high vacuum, electronics, aerospace, high-energy physics, scientific research, and more….
Analytical and sensors, vacuum and ultra-high vacuum, electronics, aerospace, high-energy physics, scientific research, and more….
Technology & Expertise
A unique know-how passed down through decades, combining multiple areas of technical expertise…
Selected Materials
For the proper design of a glass-to-metal seal, the choice of glass and its associated metal is the most critical factor…
Custom Products
Each seal, feedthrough, or filament assembly is unique. However, we also offer standard Bayard-Alpert gauges and high-voltage feedthroughs, inherited from SVT’s original designs…
Quality & Customer Satisfaction
The quality of our products, the commitment of our team, customer satisfaction, and continuous improvement are the cornerstones of our quality policy…