Hermetic Sealing Services Specifications

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Sealing Technology


	Sealing Technology
	Your choices are...
	Ceramic-to-metal		Ceramic-to-metal seals, also referred to as glass-ceramic-to-metal seals, are formed by heating the parts to be joined in order to melt the glass and allow it to flow into the metal parts. Glass ceramics are ceramics that can be fused and then molded, formed, ground or machined using conventional glass fabrication techniques. After part fabrication, the glass ceramic's structure is transformed from an amorphous glassy state to crystalline ceramic state.
	Glass-to-metal (Matched Seal)		Glass-to-metal seals are created by bonding glass to metal. Glass can be bonded to metal mechanically, or by chemical interaction, which forms a stronger bond. Glass-to-metal seals can be classified into two types; matched seals and compression seals. Glass-to-metal matched seals are manufactured using a metal alloy that has thermal expansion properties that match that of the glass over the operating temperature range.
	Glass-to-metal (Compression Seal)		Glass-to-metal seals are created by bonding glass to metal. Glass can be bonded to metal mechanically, or by chemical interaction, which forms a stronger bond. Glass-to-metal seals can be classified into two types; matched seals and compression seals. Glass-to metal compression seals are designed such that the thermal expansion of the metal alloy places a compressive stress on the glass through the operating temperature range.
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Services


	Sealing Method Capabilities
	Your choices are...
	Active Metal Brazing		The active metal brazing process allows metal to be joined to ceramic without metallization. Materials that can be used for active metal brazing include ceramic, sapphire, zirconia, and metals such as stainless steel, molybdenum, tungsten, titanium and others.
	Epoxies		One method to create a hermetic seal is to use an epoxy that cures to form a hermetic seal. The epoxy cures slowly at room temperature, but cures quickly when the temperature is elevated. The advantages of epoxy seals is that the flexibility and conductivity can be customized and they can be reworked. However, they are not suitable for high humidity or salt spray applications.
	Laser Welding		Laser welding is the newest and most effective method of forming a hermetic seal. Laser welding can be applied with high precision without introducing any thermal damage.
	Mechanical Seals		Mechanical seals may also be used to create a hermetic seal. Mechanical seals have larger space requirements for mounting the sealing components and machining sealing grooves. Hermetic mechanical seals should not be used in high humidity or salt spray applications.
	Solder		Solder may also be used to create a hermetic seal. Creating a hermetic solder seal requires a great deal of skill to prevent over-heating and damaging surrounding components. Solder hermetic seals use a solder with a low melting temperature.
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	Additional Services
	Your choices are...
	CAD / CAM Support		Suppliers can receive solid-model files electronically and/or use those files for part creation. Consult the supplier for details on computer aided design (CAD) software, computer aided manufacturing (CAM) software, and support capabilities.
	Design Assistance		Supplier can assist with concepts, manufacturing costs, manufacturing techniques and material considerations. Suppliers may also be able to assist in upgrading or redesigning, re-evaluating or modernizing existing products to increase performance and/or reduce manufacturing costs.
	Prototype Services		Suppliers can build a small quantity of representative parts for use in presentations and functional testing.
	Process Development		Supplier can assist with process development, which may include development of new processes, conducting process research and development programs, performing optimization studies, and improving current processing methods.
	Testing / Inspection		Supplier can provide inspection services and/or analytical testing of hermetically sealed product.
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Industry


	Industry
	Your choices are...
	Aerospace		Aerospace manufacturing is a high technology industry that produces "aircraft, guided missiles, space vehicles, aircraft engines, propulsion units, and related parts," according to the Bureau of Labor Statistics of the United States Web site. Most of the industry is geared toward governmental work. For each original equipment manufacturer (OEM), the US government has assigned a CAGE code. These codes help to identify each manufacturer, repair facilities, and other critical aftermarket vendors in the aerospace industry.
	Agricultural / Forestry		Companies and organizations that produce, grow, raise, harvest, process, store, market, and/or sell food and other crops and livestock.
	Appliances		Companies that produce commercial appliances.
	Automotive		The automotive industry is the industry involved in the design, development, manufacturing, marketing, and sale of motor vehicles.
	Biotechnology		Biotechnology is any technological application that uses biological systems, living organisms, or derivatives thereof, to make or modify products or processes for specific use
	Building and Construction		In the fields of architecture and civil engineering, construction is a process that consists of the building or assembling of infrastructure.
	Chemicals / Materials		Companies that manufacture and/or distribute chemicals, including basic, intermediate, and specialty chemicals; petrochemicals; plastic resins and materials used in synthetic fibers; agrochemicals; and paints and coatings.
	Computer		Companies that design and manufacture personal and large-scale computers, peripheral devices, data storage systems, networking equipment, point-of-sale (POS) devices, automated teller machines (ATMs), and other computer-based systems.
	Consumer		Companies that design, manufacture, and/or market apparel, cleaning products, hand and power tools, home furniture, housewares, linens, and consumer electronics and appliances.
	Education		The education industry produces products and services that both complement and supplement basic education services.
	Electrical / Electronics		Companies that design, manufacture, and/or distribute electronic devices and equipment including semiconductors; semiconductor materials and production machinery; test, measurement, and inspection equipment; scientific and technical instruments; and electrical and electronic components such as connectors and display devices. Also includes contract electronics manufacturers.
	Environment		Companies that provide waste collection, waste treatment and disposal, recycling, remediation, environmental engineering, and environmental consulting services, and/or provide purification and filtration technology and equipment, industrial air filters, and pollution control systems.
	Food and Beverage		Companies that process, manufacture, distribute, market, and/or sell foodstuffs for human consumption. Companies that produce, market, and bottle alcoholic and nonalcoholic beverages, carbonated drinks, juices, energy/sports drinks, water, coffee, and tea.
	General Industrial		Companies that manufacture and/or distribute goods for industrial use, including construction equipment, heavy machinery, paper, and packaging.
	Government		Government agencies or government-related establishments (non-military).
	Marine		The marine industry is the industry involved in the design, development, manufacture, marketing, and sale of commercial ships and pleasure boats.
	Medical		Companies that develop, manufacture, market, and/or distribute health-related products or provide health care services, such as hospitals, nursing homes, HMOs, medical product suppliers, medical equipment and medical device makers, and medical laboratories.
	Metals and Mining		Companies that explore for, develop, mine, extract, quarry, and/or process valuable minerals or other geological materials from the earth, usually (but not always) from an ore body, vein or (coal) seam.
	Military / Law Enforcement		Companies that manufacture and/or distribute defense products and/or provide defense services.
	Packaging		Manufacturers of packaging equipment and supplies.
	Petroleum / Oil & Gas		The petroleum industry includes the global processes of exploration, extraction, refining, transporting (often by oil tankers and pipelines), and marketing petroleum products.
	Pharmaceutical		Companies that research, develop, produce, and sell chemical or biological substances for medical or veterinary use, including prescription, generic and OTC drugs; vitamins and nutritional supplements; drug delivery systems and diagnostic substances; and related products, equipment, and services, including distribution and wholesale.
	Pulp and Paper		The pulp and paper industry plays a large role in the production of pulp and its derived paper products in a great number of countries.
	Rail / Mass Transit		Companies that manufacture and/or distribute locomotives, and provide services to the railroad industry.
	Telecommunications		Companies that design, manufacture, market, and distribute equipment for long-distance, local, and corporate telecommunications networks. Companies that provide voice, data, and video communications services.
	Transportation Services		Companies that provide transportation of passengers and freight, arrange for transportation of freight, and manage transportation infrastructure.
	Utilities		Companies that provide energy products, including crude oil, natural gas, and refined petroleum; utility services, including the generation of electricity, the transmission and distribution of electricity, natural gas, and water; and/or the marketing and trading of energy commodities.
	Other		Other unlisted industry type.
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Location



	Your choices are...
	North America		Companies are located in the United States, Canada or Mexico.
	United States Only		Companies are located in the United States.
	Northeast US Only		Companies are located in the Northeast United States, namely Connecticut, Maine, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island and Vermont.
	Southern US Only		Companies are located in the Southern United States, namely Alabama, Arkansas, Delaware, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, Missouri, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Virginia, Washington D.C., and West Virginia.
	Southwest US Only		Companies are located in the Southwest United States, namely Arizona, California, Colorado, Nevada, New Mexico and Utah.
	Northwest US Only		Companies are located in the Northwest United States, namely Idaho, Montana, Oregon, Washington and Wyoming.
	Midwest US Only		Companies are located in the Midwest United States, namely Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Nebraska, North Dakota, Ohio, South Dakota and Wisconsin.
	Canada Only		Companies are located in Canada.
	South / Central America Only		Companies have facilities in South American countries such as Argentina, Brazil, or Chile; or in Central American countries such as Costa Rica, Honduras, Panama, etc.
	Europe Only		Companies are located in Europe, namely Germany, Ireland, Italy, United Kingdom, etc.
	South Asia Only		Companies are located in South Asia, namely India, Pakistan, Nepal, etc.
	Near East Only		Companies are located in the Near East, namely Egypt, Israel, Saudi Arabia, etc.
	East Asia / Pacific Only		Companies are located in East Asia, namely China, Japan, Taiwan, etc.
	Oceania Only		Companies are located in Australia, New Zealand, Papua New Guinea and a large group of South Pacific islands that include Micronesia, Polynesia, Guam, Fiji, Tonga, etc.
	Africa Only		Companies are located in sub-Saharan Africa.
	Other		Other unlisted country or region.
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Hermetic Sealing Services Specifications

Sealing Technology:

Sealing Method Capabilities:

Additional Services:

Industry:

Location:

Help with Hermetic Sealing Services specifications: