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SMT Component Placement for PCBs

PCB: SMT Component Placement PCBs have conductive traces that allow electricity to flow through the board. Each SMT component on the board is placed in a specific location on the conductive pathway so the specific component can receive sufficient power to function. When considering the placement of components that use surface mount technology on a printed circuit boards (PCB), there are special considerations to be made. CTE Considerations There are a number of factors you must consider when establishing SMT component placement tolerance and spacing. One of the most important factors with regard to SMT component spacing and placement is CTE, or coefficient of thermal expansion. Many printed circuit boards are made of glass epoxy substrates with leadless ceramic chip carriers. When the CTE differential between the ceramic carriers and the epoxy substrate becomes too great, you may experience solder joint cracking, which happens after about 100 cycles. The solution

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PCBs for the Automotive Industry

Automotive Industry Printed Circuit Boards  These PCBs have revolutionized the way we drive and use our vehicles, from engine controls and airbag sensors to anti-lock brake management and even GPS support. Almost every modern convenience in the car in your driveway or the fleet in your business’ yard relies on automotive PCBs. And as we add more heads-up displays, windshield overlays, in-cab navigation systems and other electronics to help us drive or relax as we drive, the demand for reliable PCBs that don’t interfere with other systems is going to continue to rise. Automotive printed circuit boards from MCL are designed specifically to support each individual application and work in the real-world environments they will experience, whether they’re in the dashboard, under the hood or in areas of significant motion. That’s why, as a privately owned and ISO-9001 certified company, we engineer precision solutions custom tailored to your application. Creating

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UL, ISO and ITAR: Important Information About PCB Certifications

small circuit boards

UL, ISO & ITAR When it comes to printed circuit boards, there are certain standards in place that buyers look for. Experts may tell you to be sure to work with a UL PCB supplier, an ITAR registered supplier or an ISO PCB supplier. But what do these things really mean, and what exactly should you be looking for when seeking out quality printed circuit boards for your business? Here is some basic, useful information about these terms. UL PCB Standards Those seeking quality printed circuit boards may look for boards that are UL approved, such as a UL 796 PCB. Why? UL is short for Underwriters Laboratories, a global independent safety science company with over 100 years of expertise innovating safety solutions. UL is an accepted leader worldwide in testing, certification and standards development, with a goal to use safety science and safety engineering to promote safe living and

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 Guide to Reducing PCB Design Errors

Reduce PCB Design Errors Mistakes in your printed circuit board design can lead to increased costs for your engineers, designers and manufacturers while slowing your time to get to market. That hurts your revenue and can lead to significant problems in your department. No one wants to experience those concerns, so we’ve put together this quick look at some ways to reduce PCB design errors. We’re addressing the most common concerns, but remember to always work with an engineering team whose focus is to limit PCB design errors in the production phase. Look for Component Concerns Component placement can cause some major design headaches if there are mistakes. Placement needs to take electrical noise, thermal management and overall function into consideration. Make sure all your components and the overall board are sufficiently able to function. The design isn’t too difficult in most cases, and there is some leeway in your

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PCBs for LED Lighting Industry

PCBs and Their Applications in the LED Lighting Industry Printed circuit boards, or PCBs, are everywhere in our technology-based society. Everything from computers to medical equipment to cars contains these PCBs in one form or another. However, not all PCBs are the same— many of them use different designs or materials to suit a unique purpose. The base material is especially important for the circuit board, which helps determine how effectively the circuit board transfers heat. Some applications require specific properties in their circuit boards. This is especially true for temperature-sensitive applications, one of which is LED lighting. The LED lighting industry is expanding rapidly in response to increased interest in the more efficient and cost-effective lighting method, but much of the functionality of LED lights depends on the temperature of its system. For many companies, the solution to this problem is in aluminum-based PCBs. To help you understand why

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Long Printed Circuit Boards

Long Printed Circuit Boards Modern wireless applications need robust antennas, and that often means needing a long printed circuit board to integrate and support those applications. The design of an antenna can make or break your application, but relying on long PCBs can help you get the job done right. The antenna can be built right onto your long printed circuit board with copper optimization designs boosting its capabilities. Antennas tend to be an area where design can very difficult, and working with experts can help you optimize the impact your board will have. Get the best antenna by teaming up with the best engineers and manufacturers. Antenna Application Use Wireless antennas are used in almost every modern device that arrives in our homes. From cellphones and coffee makers to new washers and TVs, there’s an antenna, and it’s probably created right onto the circuit board. Printed circuit board antenna

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High Tech Custom Printed Circuit Boards

High Tech  Printed Circuit Boards High-quality custom printed circuit boards are a forte of our engineering team here at Millennium Circuits Limited. We’ve built a wide range of unique and specialty printed circuit boards whether you need support for custom antennas, high power and thermal boards, rigid-flex combinations or boards with a significantly high number of layers. High-tech printed circuit boards are a capability of MCL because we support a wide range of materials beyond standard FR-4 requirements. High-temperature specializations, custom board layouts and printing, immersion silver OSP finishes and a wide range of certifications and qualifications allow us to deliver the exact boards our customers need. High-Quality Custom Printed Circuit Boards vs. Standard Choosing high-quality custom printed circuit boards gives you a wider range of options beyond your standard PCB. You’re able to select what’s best for you including buried and blind vias, castellated holes, counter sink and bores,

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Printed Circuit Boards for Medical Instrumentation

Demanding Requirements for Medical Field – Custom Printed Circuit Boards MCL has been developing custom printed circuit board medical devices for more than 10 years, and we’ve been consistently ensuring that every board meets the highest quality standards for the medical community. That includes a variety of requirements around specialty materials, clean standards and a host of devices to support. Medical device printed circuit boards are designed specifically for your medical instrumentation and are specialized to meet a wide range of care settings, lab settings and testing scenarios. Precision is the core focus of medical instrumentation PCB fabrication from MCL, and our customers are always pleased with our results. Concept to Market If you’re a developer of instrumentation, MCL can provide you with complete medical device printed circuit board fabrication and engineering support to bring your product to life. Our ability to generate high-frequency circuit boards can be applied to

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Guide to PCB Issues

Guide to PCB Issues Printed circuit boards (PCB) are essential components of many electrical devices today, connecting different components to one another through a complex array of circuits. These boards consist of several layers of copper traces to make the connections, as well as plastics and other materials to protect those connections from the environment. The design and quality these PCBs directly affect how well the boards work in the final product, or whether they will work at all. The complexity of the PCB designing and manufacturing processes means there are numerous opportunities for PCB failure issues to arise. Some of these failures are a result of design oversights, such as insufficient clearances or incorrect measurements, which can negatively affect the functionality of the finished product. Others may result from problems in the manufacturing process, such as drilling errors or over-etching, which can be equally catastrophic. Fortunately, most of these

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Small Circuit Boards – How small can a PCB be?

small circuit boards

Small Circuit Boards – How Small can a PCB be? As technology advances, our gadgets get smaller. And as they get smaller, they require small circuit boards to work. There is no such thing as a standard printed circuit board. Each board is made for a specific item. That means that the board has been designed to perform a particular function inside an allotted space. MCL engineers have been providing small PCBs for a variety of industries and needs for more than 10 years, offering competitive pricing and multiple domestic and offshore manufacturing options. We specialized in services that design for manufacturability, especially in the realm of your small printed circuit boards. PCBs all have highly defined requirements, and our expert engineering and manufacturing team can turn your concept into reality or test an existing prototype to make sure it meets all tolerance needs. If something is out of spec,

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PCB Glossary

  • Readme File

    A text file included in the zip file, which provides necessary information needed to manufacture your order. Phone numbers or email addresses of designer or engineer contacts for this project should be included to expedite resolution of any potential manufacturing problems that could delay your order.

7703 Derry Street
Harrisburg, Pa. 17111
Phone: 717.558.5975
Fax: 717.704.8447