Chemical Etching with Kovar

Kovar is well-known among engineers and is a crucial metal used in several industries, including medical, defense, and aerospace. Engineers appreciate this metal for its high corrosion resistance for applications in harsh environments

It is also unique for its thermal expansion properties, which ensure stability over a broad temperature range.

We welcome your questions about how to use Kovar for your parts.

Types of Kovar used at E-Fab

Kovar is a nickel-cobalt-ferrous alloy known for its thermal expansion properties. Known as a soft material, Kovar is easy to machine and has several manufacturing benefits.

Call us to discuss which Kovar is right for your part.

Kovar Etching Capabilities

Panel Size	Min. 4"x6", max. 12"x18"
Panel Thickness	Min. 0.001”, max 0.040”
Hole Size	Min. 0.005” or 1.2x of material thickness
Spacing	Min. same as material thickness
Inside & Outside Radii	Min. same as material thickness
Center-center hole distance	Refer to hole size and minimum spacing requirements
Etch Tolerance	minimum of ± .0005”; increase minimum based on material thickness and feature type

Why Choose
Kovar

Low Thermal Expansion Coefficient
High Corrosion Resistance
Ferromagnetic Properties
Low Thermal Conductivity

Kovar, a nickel-iron-cobalt alloy, stays intact during etching processes because it has excellent mechanical properties that help it withstand harsh chemical conditions. The metal’s thermal expansion properties are also excellent for aerospace and defense applications.

E-Fab manufacturers are experts at etching and forming kovar to precise standards and specifications.

Customers select Kovar for conductors, vacuum components, microwave tubes, and radio frequency electronics. E-Fab delivers precision Kovar parts for aerospace, defense, communications, and medical companies.

E-Fab is an industry leader in delivering innovative, accurate, and reliable parts thanks to decades of experience and expertise in a suite of processes.

We are known for our experience and expertise in:

R&D

Engineering

Design Support

Photochemical Etching

Forming

Bonding

High-frequency Substrate

CNC Machining

Plating

Deburring

Micromachining

Prototype

Supply Chain Acquisitions

We work with the world’s most important industries.

Contact us to discuss how we can deliver engineering and manufacturing solutions.

We are

We are an expert team of engineers, manufacturers, and quality assurance specialists that deliver precision parts with ultimate accuracy. We serve technology companies, defense contractors, medical equipment manufacturers, and innovators from our Santa Clara, California headquarters.

Let's Solve It

We’d love to hear about your challenges and answer your questions. Reach out, and let’s get it done.

Addresses

1075 Richard Avenue
Santa Clara, CA 95050

1009 Timothy Drive
San Jose, CA 95133

Contact

Main Phone: (408) 727-5218
Fax: (408) 988-3342
Email Us

Chemical Etching with Kovar