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Ensuring maximum performance and reliability with FPC coverlay requires attention to detail and expertise in the manufacturing and design processes. Advanced quality control processes, proper material selection, and design for manufacturability are all essential factors to consider to achieve high-quality and reliable flexible circuits.
MV Flex Circuit is known for its state-of-the-art manufacturing processes that deliver FPC Coverlay products of exceptional quality and precision.
MV Flex Circuit offers a wide range of customization options, including material type, thickness, adhesive type, peel strength, and more, to meet the unique requirements of every client's project.
MV Flex Circuit employs advanced testing and inspection processes to ensure maximum performance and reliability of its coverlay products.
The experienced team at MV Flex Circuit has extensive knowledge and expertise in the design and manufacturing of coverlay, providing clients with high-quality products and excellent customer service.
MV Flex Circuit offers competitive pricing for its coverlay products, without sacrificing quality or performance.
MV Flex Circuit offers quick turnaround times for FPC Coverlay orders, helping clients meet tight deadlines and time-sensitive projects.
MV Flex Circuit can help you get the best price if you send us your Gerber files. Our engineering team will provide a quotation within 1-2 hours. Even if we cannot provide the offer, our sales team will keep you informed of the status via email. Please don’t hesitate to contact us, as we are always here to help.
When applying FPC coverlay to a flexible printed circuit board, there are several things to consider to ensure optimal performance and reliability. Some of the most important considerations include:
Adhesive Type: Different types of adhesives have different properties that can impact the adhesion, durability, and reliability of the circuit.
Peel Strength: The appropriate peel strength should be selected based on the flexibility and durability requirements of the circuit.
Material Type: FPC coverlay is available in a variety of materials, including polyimide and polyester.
Thickness: The thickness of the FPC coverlay can impact the flexibility and durability of the circuit.
Flexible printed circuit coverlay, or FPC coverlay, is a thin protective layer that is applied to the surface of a flexible printed circuit board. Its purpose is to provide protection and insulation to the circuitry, as well as improve its durability and reliability.
The coverlay is available in a variety of materials, including polyimide and polyester, and can be customized to meet the specific requirements of a project. Understanding the basics of coverlay is important for designing and manufacturing high-quality flexible printed circuit boards that can withstand the demands of their intended applications.
Welcome to our FAQ section, where we’ve compiled answers to many commonly asked questions. If you have any additional queries, please leave us a message.
FPC coverlay usually consists of adhesive and polyimide. Its thickness is indicated in this table.
| Name | Polyimide Thickness | Adhesive Thickness |
| 13/15 | 13 (0.5) μm (mil) | 15 (0.6) μm (mil) |
| 13/25 | 13 (0.5) μm (mil) | 25 (1.0) μm (mil) |
| 25/25 | 25 (1.0) μm (mil) | 25 (1.0) μm (mil) |
| 25/35 | 25 (1.0) μm (mil) | 35 (1.4) μm (mil) |
| 25/50 | 25 (1.0) μm (mil) | 50 (1.0) μm (mil) |
The size of the coverlay dam can also depend on the specific tolerances and requirements of the project. But commonly, it should be kept at 10 mils minimum.
Coverlay and soldermask are two different types of protective layers used in PCB manufacturing. Coverlay is a flexible layer applied to flexible circuit boards to enhance their durability and reliability, while soldermask is a rigid layer applied to rigid PCBs to protect the copper traces during soldering.
The thickness of FPC coverlay can vary depending on the specific requirements of a project. However, typical coverlay thicknesses range from 0.001 inches of polyimide and 0.001 inches adhesive.
FPC coverlay is typically made of flexible polymer materials, such as polyimide and polyester. These materials offer excellent thermal stability, high strength, and good electrical insulation properties.
Unlike a soldermask, coverlay cannot be used on pitch components.
The ratio 1:1 is the most common combination (that is 1 mil film and 1 mil adhesive).
