Established 1946 · Precision microwave absorbing dielectrics
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THORNDIKE CORPORATION · EST. 1946

About Us

Precision microwave absorbing dielectrics, materials and engineered components.

Thorndike Corporation is a design and precision manufacturer of microwave absorbing dielectrics, engineered materials and custom RF components. Our company has served military, aerospace, commercial and industrial markets since 1946.

Our history

Thorndike Engineering was founded by James O. Thorndike Sr. in 1946 to solve a manufacturing challenge: producing intricate microwave dielectric components accurately and consistently at the quantities the industry required. The company developed specialized processes and material formulations to meet demanding customer requirements.

Across three generations of family leadership, Thorndike has continued to develop its molding, casting, machining and engineering capabilities. The company reports a database of more than 38,000 component designs and continues to work with customers on new applications and custom solutions.

What we do

Material development

In-house formulations for microwave absorbing materials, including high- and low-power applications.

Precision manufacturing

Molding, machining, die cutting, grinding and custom production from prototype through production quantities.

Engineering support

Collaborative design assistance for component geometry, material selection and application requirements.

Testing & quality

Electrical and mechanical evaluation with inspection and test information available for customer review.

Industries served

Thorndike products and engineering services support aerospace, defense, satellite, medical, telecom, wireless, automotive, research, commercial and industrial applications.

Have a specialized RF or microwave requirement? Contact our team to discuss your application, drawing or prototype.

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