Category: Flex circuit pitch


Whether your needs are highly accurate surface mount placement, stiffener assembly, potting and bonding and electrical testing, All Flex handles the job from concept to completion. We have the experience, dedication and technology to handle your most difficult assembly challenges. There are many ways to terminate a flexible circuit. Following is a list of the most common methods of termination for consideration. Zero Insertion Force connectors are becoming an increasingly popular method to terminate a flexible circuit.

Use of a ZIF connector eliminates the need for a mating connector. Necessary cookies are absolutely essential for the website to function properly. This category only includes cookies that ensures basic functionalities and security features of the website. These cookies do not store any personal information. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies.

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Automated Assembly: Solder Screener. Automated Assembly: Selective Soldering. Automated ability to solder leads on through hole connectors Lead and lead free capability. Hand Assembly. Circuit Testing Capability. Termination Methods. Zif Connectors Zero Insertion Force connectors are becoming an increasingly popular method to terminate a flexible circuit.

Sculptured Unsupported Flexible Robust and durable termination Custom built to meet your requirements for pitch, length, and location Constructed with most copper and substrate thicknesses Retains flexibility during installation. All Flex Power Flex Copper to. Samtec Digi Key Sager Electronics Design Consultation Need help? Request a Design Consultation below. Design Guide Download it for free or request a copy.

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Out of these cookies, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. We also use third-party cookies that help us analyze and understand how you use this website.A Flex PCB or FPCB is a patterned arrangement of printed circuitry and components that utilizes flexible based material with or without flexible coverlay. These flexible electronic assemblies may be fabricated using the same components used for rigid printed circuit boards, but allowing the board to conform to a desired shape flex during its application.

FPCBs are used widely in everyday technology and electronics in addition to high-end, complex completed components. A few of the most prominent examples of flexible circuits usage is in modern portable electronics, devices, hard disk drives and desktop printers.

In transportation they are extensively used due to their improved resistance to vibrations and movement. Call us at We are ready and eager to turn your concepts into reality.

UTF Connector, Ultra Thin Connection for HDI Flex Circuits, FTR Series, Repeatable Type

San Francisco Circuits can provide heavy copper flex circuit boards that can also be coupled with flexible thin copper layers designed to handle heavier power currents. Your heavy copper boards can be built with flex portions for lower voltage additions and applications. Whether you're looking for a double sided flex circuit or complex multi layer flexible PCBs from your flex PCB manufacturer, we can provide you with the guidance, expertise and capabilities to bring your concept to reality. Multi-layer flex boards are being used more often in electronic applications for higher speed performance but at a loss of flexibility.

Single-sided or double-sided multi layer flex PCBs can be designed in unique and complex layouts, with a much greater possibility of combinations compared to FR4 board design. The primary benefits of flexible circuits compared to traditional cabling and rigid boards include the following benefits listed below.

Flex boards benefits include:. To ensure the highest quality of your flexible circuit board, we also offer thermal cycling and shock testing to ensure proper usage in the desired environment. We can also provide PCB assembly for all circuit board types.

Electronic devices have taken upon a prominent part of our everyday lives. The extensive range of devices from cell-phones to servers, regardless of their sizes and uses are now being designed to be flexible, lightweight and efficient.

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While they all come in diverse shapes, sizes and functionalities, there is one thing in common - they include flexible printed circuits boards. Because of a strong network with the best flex PCB manufacturersSan Francisco Circuits can provide our customers with flex printed circuit boards with a great variety of technologies, from simple single-sided flex boards to complex multilayer flex, from commercial applications to high reliability military PCB.

We can turn your flex PCBs as fast as in 24 hours, depending on technologies. We can bring your circuit ideas or concepts into reality with our proven track record of successful projects.A look at how array technology influences processes from board routing to drill to test.

Material choices are often based on the planned assembly. Understanding key differences between time and frequency domains. Or should we just isolate noisy signals? More lasers and improved and integrated software have factories humming.

DfM means design for money. Developing a rigid-flex printed circuit board is difficult enough, but when that PCB has high-speed signals as well the design can get complicated. PCB design is all about managing tradeoffs in the planning and layout stages, and a hybrid high-speed and rigid-flex design requires care when making these tradeoffs. To be successful when designing a complicated rigid-flex PCB with high-speed signals, follow a specific set of best practices. Before beginning the design process understand the intended application of the board and how the rigid and flexible sections will be used.

flex circuit pitch

This will largely determine whether the emphasis will be on signal integrity or the long-lasting flexibility of the circuitry. The first question to ask is whether the rigid-flex board must bend and fold in daily use. The tradeoff here is that to control the impedance of a signal path and maintain good signal integrity, most designers route high-speed signals over solid copper ground planes.

Solid, unbroken copper ground planes are not very flexible, however, and can impact the reliability of the PCB. On the other hand, if the flexible circuitry will only be bent or folded occasionally — perhaps during manufacturing or service — the design effort can focus on ensuring the signal integrity of the high-speed signals.

Figure 1. Rigid-flex circuit anchored during installation. A flex-to-install PCB design can incorporate beefier ground planes than if the design were for a dynamic flex board. Thus, the emphasis will not be on the reliability of the flexible board materials but on providing solid signal return paths that preserve signal integrity. In either case the cost to manufacture the PCB must be considered.

Having a limitless budget makes many things possible, but that luxury does not exist today. The final PCB design will not only have to meet performance goals but also be cost-effective.

Once this analysis is complete, define the specific design rules and layer stackup requirements that will be used to design the board. Designing a dynamic flex PCB. As noted, a dynamic flex PCB is one that will bend constantly during use.

The challenge is copper naturally fatigues and will eventually harden and crack. To accommodate high-speed signals, generally the board should have an unbroken copper ground plane, but unbroken copper layers are not as flexible as hatched layers.You may still place your request, however, it may be delayed up to four weeks.

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Accept Decline. Explore Start your design quickly with our vast library of online resources and engineering support. Design Explore our products through a variety of digital resources, all openly available for download. Our manufacturing capacity has been influenced by this pandemic, but our global operations team has been working tirelessly to maximize our output and minimize the impact to all our customers while prioritizing COVID critical response applications.

How to accurately measure header/connector pitch

Some part numbers are experiencing delays, but many are not. You can access real-time lead times online within your accountchat, or call us anytime for the latest information. First Name. Last Name. Sign Up. Secured form. No spam. By signing up, you consent to the terms in our recently updated Privacy Notice and Policy Manual. Thanks For Signing Up. Check your inbox for details.The pitch of a connector refers to the distance between the pins on a connector.

A pin header, often simply called a header, is an electrical connector with one or more rows of exposed male pins set in a plastic base. A header with female connections is referred to as a header connector. A header or header connector is often a main junction or connection point for interfacing one piece of equipment or device to another. Figure 1: The pitch of a header is measured from the center of one pin to the next A.

Source: KCR. A jumper can also be called a shunt and is used to quickly connect one pin or terminal to another. Many development boards use a jumper instead of a switch. For example, you might have to set a jumper for boot-up mode and then move the jumper to another position for programming mode. A header with just one pin is a test point. Other names for headers are: board-to-board connectors for connecting printed circuit boards to each otherterminal strips, pin strip headers usually a single row of pins set in a plastic base and board stackers since they can be used to set a daughter card, for instance, on top of another board.

For the newest of newbies, you might want to know that a male connector has pins and a female connector is also called a receptacle and has holes. But someone has to tell the newbies about the birds and the bees in the electronics world. The pitch of a header is measured from the center of one pin to the next Figure 1, measurement A. Referring to Figure 1, to measure the pitch A of a pin headermeasure from the outside edge of the first pin to the inside edge of the last pin B.

Then count the number of pins in the row C. If there are two or more rows of pins on the header, then you will want to measure the distance between each row as well. The pitch of the connector is not always the same as the pitch of the ribbon cable, however. A two-row connector with pin spacing at 0. Figure 2: Ribbon cable is usually either gray or rainbow. The red stripe is intended to indicate the pin one conductor of the gray cable.

The header on the rainbow cable is an IDC connector header and cuts through cable insulation and somewhat into the conductors in the ribbon cable so as to make a good electrical conductor.One common mistake that designers make is to design a flexible circuit using the same rules as a PCB. A flexible printed circuit consists of a metallic layer of traces, usually copper, bonded to a dielectric layer, usually polyimide. Often an adhesive is used to bond the metal to the substrate, but other types of bonding such as vapor deposition can be used to attach the metal.

Because copper tends to readily oxidize, the exposed surfaces are often covered with a protective layer, gold or solder are the two most common materials because of their conductivity and environmental durability. For non-contact areas a dielectric material is used to protect the circuitry from oxidation or electrical shorting. The number of material combinations that could go into a flexible printed circuit are nearly endless; current, capacitance, chemical and mechanical resistance, temperature extremes and type of flexing are just some of the criteria that impacts the material selections that best meet the functional needs.

An experienced All Flex design engineer takes the critical requirements into consideration when designing a circuit to meet your needs. There is a wide range of circuitry configuration, sizes and functionality, but printed circuits can be classified as one of the following types. Single sided circuits consist of a single layer of metal traces on one side of a dielectric layer.

Metal layers are on both sides of a single dielectric layer.

flex circuit pitch

Metal layers are often connected by metalized through- holes. Several copper layers separated and encapsulated by dielectric layers.

flex circuit pitch

Metal layers are connected by metalized through-holes. This is a multi-layer circuit where some of the layers are hard board and some are flexible circuitry.

These are used when components are mounted on both sides of the rigid section. All Flex has trade marked our special flex circuit prototype offering that allows an application to be produced at larger than normal sizes.

Sculptured flexible circuits have circuit traces that vary in thickness across the circuitry pattern. By having different thicknesses a circuit can have thicker copper. The fact that a flex can be bent, folded and configured in just about any shape or thickness imaginable gives the designer tremendous options when creating an electronics package.

Size and space limitations are far less of an issue than traditional design using hardboard circuits. Assembly and handling costs can be significantly decreased because the entire interconnect system can be built as one integrated part. This tremendous flexibility in design choices leads to electronic packages being smaller, lighter and more functional.

There are two basic categories of processes for manufacturing a flexible printed circuit: Subtractive and Additive. In a subtractive process, one starts with a solid area of metal, and the unwanted areas of metal are removed to form the traces. Screen printing and photo imaging are the two most common processes used for defining the circuitry pattern.

In an additive process, one starts with a bare dielectric layer and the metallic traces are added only where needed to form the circuit. The conductive layer can be printed, plated or deposited in a variety of manners.

Sculptured Flex Printed Circuit Boards

The subtractive processes are much more common because of they are more robust, cost effective and allow greater choices in final product configuration.

The circuits created by the additive process have less current carrying capability and environmental resistance than circuits created by the subtractive processes. Surface finishing is usually required to assure the printed circuit surface is ready for subsequent bonding such as SMT assembly, wire bonding or pressure connector insertion.

Organic coatings can also be used to protect the copper until the bonding process where the material is dissolved away as part of the process. Standard materials that All Flex uses for surface finishing.

There are countless assembly options for a flexible printed circuit. In addition to electronic components and connectors, a variety of electrical or mechanical devices can be attached to a flexible circuit. The circuit can also be easily bonded to a curved surface or formed to any 3 dimensional shape.

With proper construction a flex circuit can handle dynamic flexing, making it the ideal interconnect solution for electronic packages that connect moving or rotating parts. The true potential of a flexible printed circuit may only be limited by the imagination of the designer, contact an All Flex design engineer today to learn more about the amazing possibilities. Necessary cookies are absolutely essential for the website to function properly.Allen Duck is a year Electronics Industry veteran with Global experience in multiple fields of technology and management.

He started A-Tek in to provide a sales and service channel for international equipment companies wishing to offer value based solutions to USA companies. Zamborsky serves as one of OK's technology advisers to the Product Development group.

John Norton started his soldering career in for Hollis Engineering. He has also worked with Electrovert as a technical training manager and Vitronics Soltec for the last ten years.

flex circuit pitch

He has held various technical development and sales positions. James Mahoney is a Technical Operations Manager with a 20 year track record in managing new product introduction. He is a skilled leader, motivator and problem solver with a strong background in Product Knowledge and Engineering Management. Neil O'Brien has worked in the field of electronic manufacturing equipment for over fifteen years and is currently Sales Director for Finetech, a manufacturer of precision rework systems and die bonders.

Vivari has more than 15 years of electronic engineering design and assembly experience. His expertise in fluid dispensing and solder paste technology assists others in identifying the most cost effective method for assembling products. We search for industry news, so you don't need to. Submit A Comment Comments are reviewed prior to posting.


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