Northrop Grumman Taps SWISSto12 to 3D Print RF Antennas

RAPID

Share this Article

Previously, radio frequency (RF) antenna 3D printing expert SWISSto12 has collaborated with Lockheed, CAES, and the European Space Agency (ESA), and has secured a 25 million Swiss Franc loan. Now, SWISSto12 has been selected by Northrop Grumman to produce 3D printed RF antenna feed chains for GEOStar-3 satellites.

The company specializes in manufacturing 3D printed RF components, which are often more efficient, can be designed to be conformal, and typically have reduced mass compared to traditional components. This is particularly advantageous for antenna feed chains, which are complex assemblies consisting of multiple waveguides that direct the RF feed for transmission and reception. An added benefit of using 3D printing in this context is the reduction in manufacturing costs, which can be significant when compared to the complex and potentially error-prone manual processes of conventional manufacturing.

The win for SWISSto12 is significant because it positions the company in a growing segment of the satellite market—geosynchronous satellites that are relatively small yet high-performance and can be launched efficiently from platforms such as the Falcon and Ariane. These satellites are capable of handling communications, intelligence, and sensing tasks, all with more bang for the buck. Northrop’s GEOStar-3 satellite has customers including the Norwegian Space Agency, satellite broadband firm Avanti Communications, and the soon-to-be-merged satellite service companies Intelsat and SES. GEOStar satellites can carry payloads of up to 1000 kilograms and have operational lifespans ranging from 15 to 20 years.

A peek inside the ASBM-1 GEOSat by Northrop. Image Courtesy Northrup

SWISSto12 states that its 3D printing technology enables it to deliver advanced RF performance, as well as significant size and weight savings. The firm has already shipped three of the chains and successfully passed Northrop’s qualification program. The first of these chains, which are “fully-integrated monolithic assemblies” that include diplexers, filters, polarizers, horn apertures, and mechanical interfaces, are 3D printed as a single-piece assembly and are expected to be launched this year. The company has set up a U.S. subsidiary, St12 RF Solutions, to aid in the sale.

“SWISSto12 is delighted to announce this first delivery to Northrop Grumman of cutting-edge Radio Frequency Antenna Feed Chains for its commercial GEOStar-3 program. Our novel Radio Frequency Additive Manufacturing coupled with advanced monolithic designs enabled by 3D printing has created a new benchmark in Antenna Feed Chain size, weight and performance. Our Radio Frequency and HummingSat geostationary SmallSat business has delivered over $200 million in customer orders to date, validating our mission to push the limits of existing payload capabilities to better protect and connect every corner of the world,” said Scott Wolf, Managing Director of St12 RF Solutions.

The GEOStar program plays a crucial role, especially as it is set to provide essential C Band Spectrum for 5G and wireless communications for explorers and warfighters in the Arctic. This includes the Arctic Satellite Broadband Mission (ASBM) led by the U.S. Air Force and the Norwegian Space Agency, among others. This mission is particularly sensitive and critical for maintaining communications in the Arctic, a region where connectivity is notoriously unreliable. With these satellites scheduled for launch in 2023, the antenna feed chains developed by SWISSto12 might be onboard, potentially for this mission or a 5G satellite from Intelsat/SES.

The application of 3D printing in manufacturing waveguides, antennas, diplexers, horns, and antenna chains for space is exceptionally fitting. In such applications, weight reduction, the ability to fit components into tight spaces, and enhanced performance are crucial factors that drive the adoption of new technologies like 3D printing. Furthermore, 3D printing has proven to provide superior performance for many types of antenna components, advancing the field RF technology piece by piece and installation by installation.

Moreover, meeting launch schedules is crucial, and the faster delivery of 3D printed parts can significantly support this effort. In complex assemblies like these chains, conventionally assembled alternatives can often fail, sometimes late in the process, which can be costly. Given the high “buy to fly” ratios and the astronomical costs associated with failures—where the cost per kilo in orbit can be overshadowed by the $10,000 per kilo launch costs—complex RF assemblies represent one of the most compelling business cases for 3D printing.

It’s fascinating to observe how companies like SWISSto12 and Optisys are advancing this space, and it’s somewhat surprising that they remain among the few companies actively pursuing 3D printed RF components for satellites.

Share this Article


Recent News

3D Printing Financials: Velo3D Sees Better Q1 2024 After Difficult Last Quarter

Aerospace OEM Invests $9.1M in Michigan for Metal 3D Printing and More



Categories

3D Design

3D Printed Art

3D Printed Food

3D Printed Guns


You May Also Like

Wisconsin’s Evology Adds Digital Sheet Forming to Service Roster

Evology, a service bureau based in Wisconsin and specializing in serving strategic sectors like aerospace and defense, has added digital sheet forming (DSF) to its repertoire of manufacturing capabilities. Evology...

Boring Company Alum Score $9M for Advanced Composites Manufacturing

Layup Parts, a Huntington Beach, CA-based startup specializing in on-demand manufacturing of parts made from composites, has received $9 million in its latest financing round. Founders Fund, the VC firm...

Featured

Industrial Giant Ingersoll Rand Leads $19M Round Backing Inkbit’s AI-Driven 3D Printing

Inkbit, the Massachusetts-based original equipment manufacturer (OEM) of multi-material, AI-integrated 3D printers, has closed a $19 million financing round. Ingersoll Rand, a US giant in the industrial equipment sector, led...

3YOURMIND & Nigerian Oilfield Services Firm RusselSmith Team Up on 3D Printed Part Inventory

3YOURMIND, the German and U.S. software services provider specializing in digital inventory platforms for additive manufacturing (AM), has partnered with Nigerian oilfield services firm RusselSmith to digitize spare part files...