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This section provides an overview for current induction terminals as well as their applications and principles. Also, please take a look at the list of 8 current induction terminal manufacturers and their company rankings.
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A current induction terminal, also known as a feedthrough, is a terminal component used to deliver substantial power to the interior of vacuum and pressure equipment.
These terminals are employed to supply power for heating purposes or other electrical requirements while maintaining a sealed environment within vacuum and pressure equipment. They achieve electrical insulation using ceramics or other suitable materials, allowing power to be delivered solely to the necessary electrodes. These terminals are both chemically and thermally resistant, ensuring stable performance. Various types are available based on the number of electrodes, flange shape, and other factors. Some manufacturers even offer customized products as per specific requirements. Due to the need for both high airtightness and electrical insulation, a specialized hermetically sealed structure is applied.
Current induction terminals find application in manufacturing, processing, and academic research fields that involve vacuum and pressure vessels. They serve various purposes, including object detection and control, signal extraction for measurements, and engineering applications, all requiring the application of current or voltage within specialized vessels.
A core wire, through which current or voltage is conducted, passes through a metallic component like a flange. Power is then supplied from the exterior into the vacuum environment through this core wire. To ensure power is directed only to the necessary electrodes, insulating materials such as ceramics are used to electrically insulate the terminal from the ground.
A special sealing structure, known as a hermetically sealed structure, is employed to prevent gas leakage within the vessel. This structure takes advantage of the difference in thermal expansion coefficients between insulators and metals. In the case of glass, which has a relatively low coefficient of thermal expansion, sealing is accomplished by applying compressive stress from the metal to the glass. By adjusting the compressive stress appropriately, a high level of airtightness is achieved.
*Including some distributors, etc.
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Hermetic Seal Technology, Inc., was established in 1994 in Schappelle Lane Cincinnati, OH, and is a manufacturer of small to large quantities of glass-to-metal seals, sensor feedthroughs, high amperage feedthroughs, and medical titanium used in hermetic applications. The seals are utilized in medical implant devices like neuro-stimulators, heart defibrillators, and pacemakers. The company also designs customizable hermetic seals for automotive electronics, power electronics, military and oil exploration fields, hermetic sensor industries, and optoelectronic industries.
Detoronics Corporation, established in 1959 and headquartered in Santa Fe Springs, California, is an ISO 9001:2015 certified manufacturer of precision glass-to-metal hermetic seals. The company's product portfolio includes a full range of Mil-Spec type (commercial equivalent) and connector series as well as glass-to-metal hermetically sealed components. Its product ensures an airtight seal, even under severe environmental and atmospheric conditions. Its products are used in various industries, including medical, aerospace, military, and industrial applications.
Douglas Electrical Components, established in 1944 and based in Randolph, New Jersey, United States, is a manufacturer of hermetic connectors, wires, feedthroughs, and pin headers. The company also provides customers worldwide with fiber optic, signal, and power interconnect solutions. All of the company's products, including hermetic connectors and others, find use in both mechanical and electrical assemblies, addressing seal requirements and reducing the need for tools and extra components. Additionally, the company's glass-to-metal seals and HTCC seals are integral in RC and microwave packages, power discrete packages, and optoelectronic packages.
Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
5 | 62.5% |
Japan
|
2 | 25.0% |
Spain
|
1 | 12.5% |
123 products found - Page 3
123 products - Page 3
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■ British TC LTD. Product, Spectite (Grand Feed Slow, Ceiling Grand) Grand Feed Slue EF Series ・ The material of the body is SUS316L, the mounting...
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Grade index Multidode optical fiber feeds -through produced with the latest glass ceramic bonding technology
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■ British TC LTD. Product, Spectite (Grand Feed Slow, Sealing Grand) Grand Feed Slue PF Series ・ Single glove penetration seal is possible. ・ The...
