In industrial applications, materials with desirable properties play a pivotal role in shaping innovation. Kovar wire, an alloy renowned for its unique characteristics, is a great example of a precision engineered and reliable material.

In this blog post we will look at the distinctive properties of Kovar wire and explore its diverse applications in a variety of industries.

Composition and Properties

Kovar is a nickel-iron-cobalt alloy known for its thermal expansion characteristics, which closely match those of glass and ceramics. Composed of approximately 29% nickel, 17% cobalt, and the remainder iron, Kovar exhibits low thermal expansion over a broad temperature range. This property makes it a great choice for applications where a tight seal is required.

Thermal Stability

Exceptional thermal stability is another great feature of Kovar wire . This alloy maintains its structural integrity under changing temperature conditions, making it a good choice for environments with varying heat levels. This thermal stability is particularly advantageous in applications where maintaining dimensional stability is critical.

Hermetic Sealing Applications

Kovar wire is extensively used in hermetic sealing applications, especially in the electronics and telecommunications industries. Its ability to provide a reliable, leak-proof seal when used in conjunction with glass or ceramics is unparalleled. This makes Kovar an ideal choice for manufacturing electronic components, such as vacuum tubes, transistors, and microwave tubes.

Electronic Packaging Precision

Precision is essential in electronic packaging applications. Kovar wire’s low coefficient of thermal expansion ensures that electronic components housed within Kovar-sealed packages experience minimal stress or deformation due to temperature changes. This precision is necessary for maintaining the long-term reliability and performance of electronic devices.

Diverse Industrial Applications

Beyond its prominent role in electronics, Kovar wire is used in a variety of industrial settings, from aerospace and automotive technologies to medical devices and scientific instruments. The versatility and advantages of Kovar wire make it a popular choice for engineers and manufacturers who need reliability and stability in their designs.

Ken-tron is Your Source for Kovar Wire

Ken-tron draws Kovar metal wire (ASTM F-15) to a variety of diameters. We specialize in small diameter close tolerance wire made to customer specifications. Contact us to discuss your wire needs.

Aerospace engineering applications demand precision and reliability. At the core of every successful aviation and space mission is a set of meticulously specified components. These parts include aerospace wire that plays a role in ensuring seamless communication, reliable power distribution, and dependable electronic systems.

Aerospace Wire Must Meet Unique Demands

Choosing the right aerospace wire is not a one-size-fits-all process. It requires a comprehensive understanding of the unique demands imposed by aerospace application environments. The following are Five important things to consider when specifying aerospace wire:

  1. Temperature Resistance
  2. Aerospace wires are used in extreme temperature conditions, from the scorching heat of atmospheric re-entry to the frigid cold of outer space. Materials must be able to withstand a wide range of temperatures without compromising their structural integrity.

  3. Excessive Weight
  4. Weight is a critical factor in aerospace design. Extra weight affects fuel efficiency and overall performance. Compromises between wire thickness, material density, and the need for lightweight yet durability must be considered.

  5. Conductivity and Signal Integrity
  6. Evaluate the importance of conductivity and signal integrity in aerospace wire selection. Uninterrupted communication and precise control are essential in aerospace applications. Factors such as impedance, shielding effectiveness, and data transmission rates need careful consideration.

  7. Corrosion Resistance
  8. Aerospace components are exposed to challenging environmental conditions, including moisture and corrosive agents. A reliable aerospace wire must exhibit superior corrosion resistance to maintain its integrity over extended missions.

  9. Regulatory Compliance

The aerospace industry is heavily regulated to ensure safety and reliability. Wires that comply with industry standards and certifications must be specified. Understanding applicable regulations is crucial for engineers and designers tasked with selecting aerospace wires.

Ken-tron Has Extensive Experience in Aerospace Wire Applications

Balancing the unique demands of temperature extremes, weight constraints, conductivity, and compliance ensures the seamless integration of aerospace wires into aviation and space technologies. Ken-tron is your source for dependable aerospace wire and knowledgeable assistance in wire selection. Contact us to discuss your project!

Ken-Tron Assembly Manufacturing

Sometimes you just need help putting it all together.  That’s where we come in.  Ken-tron helps our customers assemble their products.

Ken-tron has the experience you need in assembly and in manufacturing.  In our assemblies we assemble parts and wire we have produced; plus components we purchase from other manufacturers.

Since the 1960s, assemblies have been a large part of what we do at Ken-tron Mfg., Inc.  Our experience in assembling components for our customers includes aerospace assemblies, electronic assemblies, automotive assemblies, and the assembly of many other final products and sub-assemblies.  Ken-tron produces assemblies using automated equipment and machines, employees, or a combination of machines and labor.

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Person working on circuit breaker in the dark

Those clicks that just woke you up were not reindeer on the roof; your power just went out. Not to worry, you still have that free flashlight from the insurance agent. Uh oh… Dead batteries.

No one understands how important reliability is more than Ken-tron. For decades, our customers, and their customers, have counted on Ken-tron battery stampings for reliable performance.

Our components make up batteries that power a full range of aerospace and military applications, as well as medical devices, industrial tools, and more. When called upon, these batteries must perform, and Ken-tron metal stampings are integral to assuring that performance.

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screenshot of New Ken-Tron GO-EDC VideoKen-tron Mfg., Inc. was excited to recently be the subject of Greater Owensboro Economic Development Corporation’s OBKY Local Look. Each quarter, GO-EDC produces a video profiling an Owensboro area business. Ken-tron, which began initially as Kentucky Electronics, has been a part of Owensboro, Kentucky’s business community since 1960.

GO-EDC, a public/private partnership, is the economic development agency for Owensboro and Daviess County. Formed to attract and to grow primary employers, to assist existing businesses with retention and expansion, and to promote entrepreneurial growth, this agency is a tireless advocate for the local community. Read more »

(COVID 19) Coronavirus

To All Ken-tron Stakeholders:

Ken-tron is proud to be a provider of essential manufacturing services. Due to the growing coronavirus, starting at 8 p.m. March 23, all nonessential Kentucky retail businesses will be ordered closed. Even with this shutdown of most businesses operating in Kentucky, Ken-tron Mfg., Inc. will remain open to supply our metal stampings and drawn wire to our customers. Read more »

(COVID-19) Coronavirus

At this time, there is no interruption to Ken-tron’s operations or supply chain caused by COVID-19 and its impact. We are closely monitoring the developments of the virus to ensure we are maintaining the safety of our Ken-tron family, the industry-leading service for which we are known and the supply continuity on which our customers depend.

Ken-tron has implemented measures in accordance with the guidelines issued by health authorities. To ensure the safety of our colleagues, we are keeping our people informed and are taking preventive measures throughout our facility. Including: Read more »

Ken-tron Mfg., Inc. solidified our presence in the aerospace industry through our participation in the Paris Air Show. Ken-tron was proud to participate in this truly international event in conjunction with the Kentucky Aerospace Industry Consortium (KAIC)and the Kentucky Cabinet for Economic Development (CED.

The 2019 show, at Le Bourget Parc des Expositions, is the largest air show in the world. Half-a-million square feet of display space was arranged with 2,400 exhibitors from 48 countries. This year’s show was covered by 2,700 journalists and attended by approximately 150,000 aerospace professionals from 128 countries. Read more »

Ken-tron Mfg., Inc. is excited to be exhibiting in The International Paris Air Show, the aviation and space industry’s largest dedicated show.The Show takes place every two years and is organized by the SIAE, a subsidiary of GIFAS, the French Aerospace Industries Association. In 2017 the Show featured 2,381 exhibitors and drew 332,000 attendees. The 53rd Show will take place at the Le Bourget Parc des Expositions, June 17 – 23, 2019.

The International Paris Air Show will bring together leaders of the global aerospace market to present and review the industry’s latest technological innovations. Read more »

Mayor Tom Watson, center, tries to get everyone to sing along as Chris Joslin, right, and Kristy Westerfield, left, of the Bluegrass Music Hall of Fame & Museum start “My Old Kentucky Home” on Friday at Ken-tron Mfg., Inc. to celebrate National Manufacturing Day. Photo by Alan Warren, Messenger-Inquirer/

National Manufacturing Day® with music. That is just what Ken-tron Mfg., Inc. did October 5th, this year’s day to recognize and inspire a new generation of U.S. manufacturing.

Special guests welcomed to the Ken-tron facility for the celebration included Chris Joslin (executive director) and Kristy Westerfield of the soon-to-open Bluegrass Music Hall of Fame & Museum as well as Owensboro Mayor Tom Watson and U.S. Rep. Brett Guthrie, a Bowling Green Republican.

At the celebration, both Joslin and Guthrie shared with the attendees they have been users of guitar stings developed by Ken-tron. Other notable artists who depend on Ken-tron strings in making music include Paul McCartney, Keith Richards, Pete Townsend, Kid Rock, Brad Paisley, Kenny Chesney, Vince Gill, and Del McCoury — just to name a few. Read more »