Rohde & Schwarz supplies highly complex PCBs

The Teisnach factory provides all printed circuit boards (PCBs) for the Rohde & Schwarz instruments

Landshut, (PresseBox) - The Teisnach factory provides all printed circuit boards (PCBs) for the Rohde & Schwarz instruments, and also supplies prototypes, functional samples and serial parts for external enterprises. Regardless whether the customers demand conventional multilayer PCBs with up to 40 layers, special RF PCBs, narrow conductive tracks down to 75 µm or HDI multilayer boards: All PCBs manufactured by Rohde & Schwarz Teisnach are 100% tested. Tests during the development phase and a number of national and international certifications complete the services provided by Rohde & Schwarz Teisnach.

Rohde & Schwarz is one of the biggest and technologically leading European manufacturers of test & measurement equipment. However, the highly specialised services of the Teisnach factory are also available for external customers. Thus, they can make use of the company’s long-term expertise in manufacturing complex PCBs for demanding applications.

The specialists at Rohde & Schwarz Teisnach offer their customers an all-in service: They cross-check the PCB data supplied by the customer and optimise them according to the processes established at the factory. The production flow is automated as far as possible in order to warrant for stable manufacturing quality. Well-engineered registration methods allow for very high packing densities. The following 100% test checks the inner layers against the Gerber data by means of an automated optical inspection (AOI), while the top layers are tested electrically against the network map.

A test coupon per sheet allows for measuring the impedances of RF boards. If the manufacturing involves mechanical processes (like e.g. depth-controlled drilling or milling) or galvanic processes (like e.g. partial gold coating or chemical coating with tin, nickel/gold or silver), then Rohde & Schwarz Teisnach provides and analyses corresponding metallographic cross sections. Further tests, like temperature-change tests, climate tests or soldering tests on reflow soldering lines complete the services.

One of the areas of expertise at Rohde & Schwarz Teisnach are RF multilayer PCBs using a combination of substrates like FR4, PTFE or ceramics. Therefore, the company perceives itself as the undisputed market leader in complex PCBs for RF applications.

More information can be found on the internet:

<<Background information for editors >>
HDI is the abbreviation of High Density Interconnect and stands for a technology, enabling much narrower conductive tracks and vias than conventional multilayer boards. Because of the HDI microvias, signals can be contacted and disentangled in the inner layers without consuming any valuable space on the top layers. The narrow tracks allow for impedance-controlled conductors for high and highest frequencies.

Cluster Mikrosystemtechnik

Rohde & Schwarz is one of the largest manufacturers of electronic test & measurement equipment in Europe. For decades, our product range has been the synonym for precision, quality and dependability. What accounts for a big portion of this appreciation is the motivation and expertise of the some 1.100 employees at the Teisnach factory with its more than 44.000 m² (approx. 470.000 sqft.) of manufacturing space.
Since 1969, Rohde & Schwarz Teisnach has been part of the manufacturing services division and also handles third-party manufacturing orders from medical engineering across electro-mobility to avionics and aeronautics. The Teisnach factory produces PCBs, mechanical parts and subsystems, electro-mechanical subassemblies, systems and customised solutions as well as RF transmitters for applications world-wide. The friendly holiday place Teisnach is located some 75 km (approx. 42 miles) south-east of the old imperial city of Regensburg (Ratisbon).

Rohde & Schwarz is a member of the Micro Systems Technology Cluster, Landshut.

Linking enterprises with the reserach centres of the Universities of Applied Sciences is the core task of the Micro Systems Technology Cluster. We are a competent, neutral and independent coordinator specialising in the support of SMEs in order to sustainably strengthen their competitiveness and innovative power by cross-diciplinal cooperation.

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