Electromagnetic and Radio frequency interference (EMI/RFI) shield design is complex and multi-faceted, combining electrical and mechanical engineering concepts. In practice, shielding is very much an iterative process in which controlling one variable impacts another, leading to even more changes in the design.
One aspect of shield design is knowing which external signals are most critical to keep from interfering with the circuits inside. This is important from the standpoint of material selection, both for the shield structure and any subsequent plating. Knowing the frequency and amplitude of critical signals and how they behave with conductive metals helps you determine the conductivity and thickness required to achieve adequate shielding effectiveness.
Precision stamped components need to be in an assembly-ready condition when they leave the stamper’s facility, and they need to stay in that condition during transportation and storage and until the customer needs them. Moving components between facilities and general handling present many risks to that assembly-ready condition the stamper achieved. That’s why careful packaging is such an important part of the stamping process.
Electronic devices are everywhere these days – from your cell phone to your garage door opener, to the sensors on the security cameras at the grocery store. They’re controlled by internal circuit boards, which send and receive signals with instructions about what to do (i.e. display the phone’s home screen, send power to the garage door actuator, make the camera record when an object passes).
As devices have become smaller to fit inside machines, vehicles, and medical equipment, they have also become more powerful. Their microprocessors run at higher speeds, and send high-frequency signals between circuits that are very close together.
Precision stampers use many types of metals, including aluminum alloys, brass alloys, copper, nickel, steel, stainless steel, silver, and bronze. How do you know which is the right material for each project? It has to do with a variety of mechanical and chemical properties that determine how a given metal will behave during stamping and in the finished product. Designers, engineers, and stampers need to work together to find the right balance between satisfying design intent and manufacturability of a part. Metal properties also impact the manufacturing process itself, including selecting the best tool steel, stamping oils, and plating or other finishing.
Some of the most important properties to consider are discussed listed below; however, there may be additional considerations depending on your specific application.
Electronic devices and the circuit boards that control them are trending smaller and faster all the time. High-speed applications operate at increasing frequencies within the radio and microwave ranges of the electromagnetic (EM) spectrum. The result is slick consumer and industrial electronics but the challenge for designers lies in controlling EM radiation emissions and the impact they can have on performance.
Change is inevitable in manufacturing. Whether you’re bringing a new product to market, re-engineering an existing one, or just need to find another supplier for your components, chances are you’ll have to switch from one progressive stamper to another at some point in time.
What does the future of air traffic look like? How soon will we have our own personal flying cars? What does the road look like to get there? And how is CEP Technologies helping this future come true?
Hyundai and Uber are partnering to bring urban air transportation to the modern world. There are many hurdles to jump before then, but Uber is hoping consumers will be able to order an UberAir by as early as 2023.
But how does CEP Technology fit into all of this? Uber hopes to make fully electric flying cars and that means lots of precision stamped parts for circuit boards and motherboards.
How else is CEP helping with the future of urban air travel? Read this article for more information: https://digital.ffjournal.net/issue/march-2020/flight-plan/
YONKERS, New York (January 21, 2020) From smart watches and cell towers to vehicle GPS systems, LED lights and the monitoring and communication equipment aboard aircraft; printed circuit boards (PCB) run the gadgets and equipment used in everyday life. The demand for PCBs—and the precision stamped parts needed to build them— is growing, along with specifications for metal cleaning requirements. CEP Technologies provides a range of cleaning methods that meet ISO 16232 standards.
These days when it seems everything has gone digital it’s easy to forget about all the mechanical components that are critical to electronics and batteries, especially in cars and trucks. Industry leaders, governments, and citizens all want to reduce carbon emissions and rely less on fossil fuels. At the same time, semi-autonomous and “smart” vehicles are gaining popularity for safety reasons and driver convenience.
When was the last time you drove a car or used an appliance that didn’t include some kind of electronic component? Across industries, electronic devices are becoming commonplace in vehicles, medical devices, and home appliances. They’re also showing up in new places all the time from doorbells to bathroom fixtures.