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What is Isola PCB?

As the name implies, Isola PCB is a circuit board made of Isola materials. By the way, Isola is a company specializing in manufacturing and designing advanced material solutions for the electronics industry. Isola printed circuits offer superior performance and reliability compared to other PCBs due to their unique combination of Isola’s innovative, high-performance materials and advanced production processes. Isola PCBs are designed to meet the needs of various applications, including high-speed telecommunications and industrial instrumentation. Although, like many other materials, Isola material also has many models. We will introduce a few models to you to let you know the characteristics of Isola material and the PCB it makes.

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    Choose Viasion as Your Professional Isola PCB Manufacturer

    Extensive experience and knowledge

    Viasion was founded in 2007. With our extensive experience and knowledge in the PCB industry, you can rely on us to provide high-quality PCBs produced by Isola material.

    High quality

    With our 16+ years of experience in PCB production, we can always supply high-quality PCBs which meet international standards, such as IPC-A-600 class 2 or class 3 standards.

    Low price

    We have a strong supply chain that can supply Isola material with competitive pricing, and we have skilled workers to get a good yield rate, so we can quote very competitive prices for Isola PCBs.

    Streamlined processes and quick delivery

    Our streamlined processes allow us to complete projects for Isola PCB manufacturing quickly and efficiently while maintaining excellent quality control standards.

    Superior customer service

    We take great pride in our commitment to providing superior customer service, so you can be confident that you're getting the best possible PCB manufacturer for your project.

    Introduction of some types Isola material​

    Isola is famous for the production of high-performance laminate for printed circuit boards, especially for very low-loss material, such as IS410, FR408, 370HR, IS550H, FR408HR, I-SPEED®,  TACHYON® 100G, ASTRA® MT77. Here we would like to introduce a few normally used types.

    Advantages of Astra MT77 Material

    • Extensive industry recognition and RoHS compliance.
    • Astra MT77 material has a super low dissipation factor ( Df ), compatible with the FR-4 material production technology, and is also compatible with lead-free components.
    • Shorter lamination time, lower bit wear, good flow and filling and higher dimensional stability.
    • Astra MT77 copper-clad laminates do not need plasma decontamination. As a result, it will help to reduce production costs.
    • Isola Astra MT77, compatible with the HDI PCB production technology, can drive its demand shortly.
    • Wave soldering: prepare tooling fixture - insert DIP components into the PTH hole - run through wave soldering machine - Quality inspection - QA check
      With the rise of 5G, the new wireless world, and more mm-Wave applications appearing, the requirement for advanced PCB material may upgrade. Besides, 5G technology may promote the requirement of PCB material with a super low dissipation factor ( Df ) compatible with the FR-4 material production technology and add more development value to the PCB industry.

    Isola Prepregs

    Prepreg is short for ‘pre-impregnated’ and refers to any composite material pre-infused with a resin or binder before use. Prepregs are typically made from layers of fibres such as carbon, glass, or aramid. After the actual pressing is completed, the inner layer’s residual copper rate and the finished copper’s thickness are affected. As a result, the thickness of the finished product is usually 10-15um less than the original value.
    Isola PP usually has 1080 ( thickness of 0.08 mm ), 2116 ( thickness of 0.12 mm ), and 7628 ( thickness of 0.2 mm ). The differences between these three PP types are thickness and resin content. For example, take a sample of 370HR PP, 1080 resin content is 64.5%, 2116 resin content is 54%, and 7628 resin content is 47%.

    We will need to adjust the PCB lamination to meet the impedance requirement. The same infiltration layer can use 3 PP in actual production, and the biggest thickness can not be over 20 mils. If this data is, we should consider adding core ( copper-clad laminates ) for the production.

    You can etch away both side copper of the core or use the raw material directly, then both sides use PP adhesion, which can realize the thicker infiltration layer; And also can use one PP at least, but sometimes the inner copper foil is sparsely distributed, or the finished copper is too thick, will need to large area rubber filling, so in consideration of product reliability, the manufacturer requires that at least two PP sheets be used.

    PP are very sensitive to moisture, so the PP is forbidden to open the package before use. After opening the package, you need to check the humidity indicator card. If the colour becomes pink from blue, advise not to use it. Those PP who had opened the package will need moisture absorption over 8 hours in the hygroscopic vacuum machine before use.

    It is recommended to store PP at a temperature below 20°C and humidity below 50%. Under such conditions, the storage period can be guaranteed 90 days from the production date.

    Isola Halogen-Free Material

    Isola Halogen-Free Material is a highly reliable and safe material used in various applications. Isola’s halogen-free materials are designed to provide superior electrical insulation, high mechanical strength, and low smoke emission when firing exposure. In addition, Isola halogen-free materials meet the requirements for many safety standards, such as UL94V0, IEC 60754-1/2 and EN 45545-2.
    These materials have excellent chemical resistance properties that make them ideal for use in harsh environments such as automotive, public transportation, industrial equipment and consumer electronics applications. Isola’s halogen-free material also offers design flexibility with its range of thicknesses from 0.06 mm up to 5mm thick, depending on application requirements.
    Isola Halogen-Free Material is an innovative material used to produce electronics, wire & cable, and other industrial products. It has become popular due to its excellent properties, such as low smoke generation, flame retardancy, and chemical resistance. In addition, Isola Halogen-Free Material prevents the creation of hazardous halogens during the burning or decomposition of materials. Isola Halogen-Free Material is available in various formats and can be cut to custom lengths for specific applications.
    Isola Halogen-Free Material offers superior protection against fire and smoke emissions in the event of a fire or other incident. Isola Halogen-Free Material has low smoke generation, flame retardancy, and chemical resistance properties that are important for safety considerations. Isola Halogen-Free Material also provides excellent electrical insulation which helps reduce electricity costs and prevent electric shock. In addition, Isola Halogen-Free Material is lightweight and flexible yet durable so that it can be used in various products with long-lasting performance.
    Isola Halogen-Free Material is ideal for producing electronics, wire & cable, and other industrial products. Isola Halogen-Free Material can be used in various formats, including boards, films, tapes, and sleeving. Isola Halogen-Free Material is also suitable for use in the production of automotive components, medical devices, and aerospace applications. In addition, Isola Halogen-Free Material is precisely engineered to meet exacting standards for flame retardancy, low smoke generation, and chemical resistance.
    Isola Halogen-Free Material is rigorously tested to meet demanding industry standards for safety, performance, and quality. Isola Halogen-Free Material undergoes extensive environmental testing such as flame testing, electrical property testing, and chemical resistance testing. Isola Halogen-Free Material is also carefully inspected during manufacturing to ensure that all products meet customer specifications. As a result, Isola Halogen-Free Material is UL certified for safety and guaranteed to provide reliable performance over time.
    Isola Halogen-Free Material is manufactured using a proprietary process that combines high-performance resins, various insulation materials, and flame-retardant additives. Isola Halogen-Free Material is then cut to custom lengths for specific applications and tested to ensure consistent performance and quality. In addition, Isola Halogen-Free Material is produced in ISO 9001-certified facilities which comply with the strictest safety and quality standards.

    Now let’s take a glimpse at the following steps of the manufacturing processes of Isola Halogen-Free Material.

    • Mixing Isola Halogen-Free Material with other additives such as fillers, reinforcement fibres, and flame retardants
    • Extrusion of Isola Halogen-Free Material into sheets or rolls
    • Injection moulding Isola Halogen-Free Material into parts
    • Lamination of Isola Halogen-Free Material onto substrate materials to form high-performance composite laminates
    • Compression moulding Isola Halogen-Free Material components for maximum thermal stability
    • Heat-treating Isola Halogen-Free material parts for improved mechanical properties
    • Casting Isola Halogen-Free material components for a range of shapes and sizes
    • Isola Halogen-Free Material can also be machined and formed into parts
    • Isola Halogen-Free material can be applied in a variety of processes, such as die cutting, ultrasonic welding, laser etching and more
    • Isola Halogen-Free Material is subjected to rigorous testing prior to approval for use in various industries for its durability, reliability, and performance. Isola Halogen-Free Material is subjected to stringent quality control throughout production.

    Isola PCB Material Used in the Field of Next Work and Communication Application

    PCB structure and design are depending on the applications. Similarly, you can use different materials for their PCBs for the following work and communication applications. The main Isola circuit board material used for the subsequent work and communication applications are 370HR.
    370HR material is mainly used for prepreg and laminate of printed circuit board. The PCBs that use 370HR material to make fit the requirements of RoHS. The most common problems of PCB are Conductive anode wire ( CAF ), an electrochemical corrosion process. In this phenomenon, the anode’s copper metal will dissolve and move to the cathode. It will cause an electrical short circuit and will not be suitable for any application program, especially for the next work and communication applications. But Isola 370HR PCB are CAF resistant. Besides, 370HR material has high-density interconnection and excellent thermal reliability, so it is very suitable for the next work and communication applications.

    Of course, other materials are suitable for the next work and communication applications. We want to introduce some to you, as below:

    High speed Pyralux TK material: High speed Pyralux TK material are mainly use in high frequency applications. The copper-clad adhesive layer and laminate of this material are usually double-sided. An adhesive layer in the material will help protect them from the adverse environment and provide excellent electrical insulation. Fluoropolymers and polyimides are used to make primary composites materials. TK material are special design for flexible digital PCB, the advantages of this material are low moisture absorption, better flexibility and low dielectric constant.

    Polyimide material: Polyimide material is another one of the most commonly used PCBs for network and communication. The main advantage of this material are have excellent thermal stability. This advantage makes the material stand highly high heat in some applications. Furthermore, it is known that the PCB using polyimide provides a good foundation for surface mounting. In addition, it is an economics high efficient material choice for PCB.

    Alternative Materials for Isola Materials in PCB Production

    Main considerations for PCB material selection
    A. Manufacturability B. Timely availability of materials, C. Cost factor D. Applicability of laws and regulations From above factors specifically involve a few parts as below:
    Replace material for Isola material
    Now we will talk about the materials that can replace Isola material when PCB production based on the above specifically factors, which will be helpful for you to select materials or when materials are in shortage.
    Isola PCL-370HR and FR-406 are have the similar TG value with below material:
    S1141: phase out.
    S1170: Now are the Mainstream use TG 170-180 materials.
    S1000-2: High Td TG 170-180 materials, further upgrade of S1170.
    IT180: Performance close to S1000-2.
    N4000-6: product of NELCO company, performance close to S1141 170.
    The TG of all the above materials is TG 170 to TG 180. Therefore, they all can be replaced by S1170.
    PCL-370HR material can replace by S1170 material with Td value as the focus. The comparison of these two materials is as below:
    PCL-370HR: Tg 175 ; Td 350 ℃; Z-CTE ( 50-260℃ ): 2.7%;Dk ( 1MHZ ): 4.6; Df ( 1MHZ ): 0.015.
    S1170: Tg170; Td 335 ℃; Z-CTE ( 50-260℃ ): 3.3%; Dk ( 1MHZ ): 4.6; Df ( 1MHZ ): 0.012.
    Both materials are suitable for lead-free soldering technology. The Tg difference is 5℃. The thermal decomposition temperature meets the requirements of IPC lead-free welding process materials. The expansion coefficient of the z-axis is also close. DK and DF are close. Therefore, the overall performance is close and can be replaced without any negative impact.
    But the procurement lead time of PCL-370HR will be around two weeks, and the material cost is almost double S1170.
    Isola FR408, Isola Getek, and Isola IS620 are the high performance material, they have similar Dk and Df values with the below materials:
    1) Isola FR408 : Dk=3.7 Df=0.010 Tg=180℃ 2) Isola Getek: Dk=3.9 Df=0.010 Tg=180℃ 3) Nelco N4000-13: Dk=3.7 Df=0.009 Tg=210℃ 4) Nelco N4000-13SI: Dk=3.4 Df=0.008 Tg=210℃ 5) Isola IS620: Dk=3.4 Df=0.008 Tg=210℃
    And all the above materials have similar Dk and Df values, so they all can be replaced by substitute Nelco N4000-13.
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    Frequently Asked Questions

    Isola PCBs are circuit boards made up of insulated material, usually either fibreglass, ceramic, or a combination of both, such as
    IS410, FR408, 370HR, IS550H, FR408HR, I-SPEED®,  TACHYON® 100G, ASTRA® MT77, etc. 

    The following shows different kinds of Isola PCBs.
    1) standard FR4 Isola PCBs
    2) Isola polyimide PCBs
    3) Isola laminates for high-speed applications
    4) Isola RF laminates for wireless communications

    The most common materials used in producing an Isola PCB include IS550H material, Isola Astra MT77, Isola FR408, Isola 370HR, Isola 370MR, Isola 370FR, Isola 380HR, Isola 380FR, Isola GSX170 and Isola LTCC.

    The number of layers an Isola PCB possesses depends on the circuit board’s complexity and design, ranging from one layer to forty layers and above.

    Isola PCBs can be constructed in various ways depending on the specific application and its requirements. However, the most common form of Isola PCB construction involves building thin layers of Isola material and adding copper to the top, bottom, and inner layers.

    Isola PCBs are used in almost all industrial areas, such as control and automation, automotive, mobile, robotics, IoTs, computer electronics, telecommunications, medical equipment, and military technology.
    Isola PCBs have several unique features. For example, Isola PCBs feature glass-reinforced polyimide laminates with superior thermal, chemical and mechanical properties. You may get the detailed specifications from Isola Group website.

    Both materials are high-reliability epoxy laminate, and most parameters are similar. 370HR has peel rtrength of 1.14 (6.5), but 185HR has peel rtrength of >0.79 (>4.5).

    PCB manufacturers will perform the following testing methods on Isola PCB.
    1) Electrical Test
    2) Automated Optical Inspection
    3) E-Testing for Open and Short
    4) In-circuit Testing
    5) Functional Testing
    6) TDR Impedance test
    7) Hi Potential Testing (Hi Pot PCB Testing)
    8) Solderability Test
    9) Thermal Test
    10) Tape Test (adhesion test)
    11) Peel Test (conductor peel strength)
    12) Ionic Contamination Test

    Isola PCBs use an “additive” mechanism and a “barrier” mechanism, which provides multiple levels of protection against flames.

    These two kinds of PCBs differ from each other in many aspects. The are PCBs produced by different materials from two different companies.
    For example, different materials are used to manufacture them. Isola PCB is mainly made of fibreglass-reinforced polyimide and copper foil laminate, while Rogers PCB typically uses a combination of ceramic-filled polytetrafluoroethylene (PTFE) and copper foil.

    The following factors affect an Isola PCB’s dielectric constant and dissipation factor.
    1) The type of the Isola material used in the circuit board;
    2) The PCB stack-up structure, copper thickness, dielectric thickness and copper trace width/space;
    3) The temperature at which the Isola PCB is operated;
    4) The frequency at which data is transmitted.

    The most effective way to find Isola PCB manufacturers is by looking online. You can search for them by entering keywords like “Isola PCB manufacturers” in the Google search engine. Google will present the relevant pages. And Viasion is one the best Isola PCB manufacturers in China.