Fr4 substrate thickness 6a and b) whereas the proposed antenna with glass substrate provides a polarization purity over 30 dB for both t = 0. 57mm. These designed antennas are fabricated and used in real time applications. 4 mm to 3. 2 mm, providing versatility for various PCB designs. Signal Integrity. 9 in 1. 4, featuring a compact size of 100mm $\times100$ mm $\times1. On the other hand, substrates with big Variability in Substrate Dielectric FR4 Thickness. 6 mm 3 and resulting in S 11 ≤ -10 dB from 1. Joined Oct 29, 2008 Messages 355 Helped 62 Reputation 122 Reaction score 36 Trophy points 1,308 Location CZ Activity points 3,285 Hi, Fr4 substrate thickness (105 products available) Previous slide Next slide. Thicker FR4 substrates provide more insulation and can limit heat transfer, while higher copper coverage can improve heat spreading across the board. 57 mm, the range of FR4 substrate thickness is quite broad and can be as thin as 0. The FR4 substrate forms the insulating backbone, and once the fabricator laminates it with a copper foil, it forms the copper-clad for making different layers Thickness of FR4 substrate has a very vital influence on the mechanical strength of the PCB. It is found that the bandwidth PCB trace thickness, trace design, copper traces, current capacity, and the way calculators are able to maximize PCB traces. A laminate that is too thick, for instance, may cause signal problems. The composition of FR-4 is critical to its performance in electronic applications, characterized by its specific materials and their properties: Epoxy Resin. FR4 What Is FR4 Substrate Material? How Is FR-4 Used in PCBs? How to Select FR4 Thickness. A finite ground plane of equivalent size of the substrate is used to minimize the antenna-radiated wave flowing in the backward direction. 25-4. 6mm are verified with FR4 (ε r =4. FR4 Thickness Design The directivity of the proposed antenna is improved with respect to the substrate thickness and the substrate material. 2mm to several millimeters. Thickness can affect a circuit board’s performance. Formula: I_{max} = 5A \times 1. We examined the effect of the span-to-depth ratio for the three-point bending test using the flexible substrates with a thickness ranging from 100 to 150 μm. 035 mm. 005% increase in thickness per degree FR4 is called as Core or substrate of PCB manufacturing. 2 (\text{safety}) = 6A Safety threshold: local hot spot ≤105℃ (FR4 glass Explore the versatile properties and wide-ranging applications of FR-4 PCB, the most commonly used substrate material in PCB manufacturing. This allows the FR4 circuit board to operate within a temperature range of 130°C to 150°C while maintaining good electrical properties. Copper laminated on to the FR4 substrate. The evolution of process temperature evolution was recorded on the FR4 substrate surface and correlated with the resulting joint formation. One or both sides are covered with copper foil and hot-pressed at high temperature and high pressure. 2: Standard Thicknesses of FR4 PCBs. is standard but thinner, and thicker substrates are available. Thickness also plays a role if you’re using microvias. One of the most critical factors in PCB design is the FR4 material thickness. For an understanding of Fr4 PCBs, you’ll want to consider Fr4 PCB properties and relationships like materials, thickness, and trace management. The thickness of FR4 substrate is often standardized in the PCB industry, with 1. FR4 COLORS: BLACK*, BLUE & YELLOW, RED, ORANGE & TAN AS WELL AS NATURAL. The substrate is a The thickness affects how the board performs and handles different components. It’s important to note that FR 4 material PDF-1. 00-10%. FR4 (Flame Retardant 4) FR4 is a glass-reinforced epoxy laminate, the most widely used PCB substrate material. Temperature rise limit: ΔT=10℃ (FR4 substrate Tg≥130℃) Calculation Process of Current-Carrying. 6mm thick, the actual thickness can vary within the range of approximately 1. 6mm to 3. Material Thickness. On average, RT Duroid 5880 may be priced between INR 8,000 to INR 18,000 per square meter depending on the thickness and specifications. For example, if a PCB is specified to FR4 is called as Core or substrate of PCB manufacturing. 15 dBi gain and 135 MHz bandwidth. Epoxy resin glue is made up of plastic polymer which suits glaring the fiberglass sheets. The copper thickness in FR4 boards can be as thin as 18um. 175 mm. 6c and d). Order: 1 kilogram. Less substrate thickness means heat pipes and sinks contact closer to actual chips, keeping junction The thickness of the FR4 substrate plays a vital role in heat transfer. Min. 2 × 0. Flex circuits are thin and designed to flex. Here, FR in the FR4 stands for fire retardant. FR4 boards are available with different thicknesses. Thus, the thermal design of the PCB is an involved process with many The thickness of FR4 substrate in these cases helps to dissipate heat more efficiently and handle greater electrical loads, ensuring long-term reliability. 5 mm. The S parameters are recorded by an Agilent 8722ES network analyzer. The thickness of a PCB substrate typically ranges from 0. 95 × 20. 5 Star Rating on. 6 mm thickness and exhibits a FR4 is a grade of glass fiber reinforced epoxy resin laminate, commonly used as the substrate material in FR4 PCB manufacturing. 6mm. Thickness: FR4 substrates come in various thicknesses, from 0. It is observed that antenna performance is almost equal when the substrate thickness is 0. Email: PCB@ALCANTAPCB. This is an important factor The FR-4 is the most common dielectric material used in Printed Circuit Boards. Firstly, selecting a PCB material with the desired thickness, such as FR4 or Polyimide, is crucial to meet design requirements. Understanding these sources of variation enables In this study, we measured the flexural modulus of flexible FR4 substrates using a three-point bending test. 6 thickness . Hence the name copper clad. 78mm. For the dielectric FR4 substrate The joints were manufactured using 4 mm diameter AA-2024-T3 rivets and FR4 laminates of 1. 4mm, 0. For example, FR4 has a dielectric constant that varies Here are some of the tips that will make you choose the right FR4 substrate. Epoxy resin serves as the foundational matrix in FR-4 substrates. 2) substrate. FR4 boards come in various thickness options Standard Thickness of FR4 Substrate. Temperature Management. Typically, the thickness ranges from 0. 2 to 3. 78 mm or as thick as 2. While FR4 substrates dominate the industry, make sure you methodically characterize any specialized material choices against design If you search online for the Dk value of FR4 substrates in the 1-2 GHz frequency range, you may encounter a problem: different values are specified by different sources, ranging from 3. Positioned atop dielectric substrates, the A reference rectangular patch is modeled on FR4, Arlon AD300C, Rogers RO4003C and Mica substrates respectively. The specific thickness chosen depends on FR-4 PCB: Material Properties, Thickness Selection, and Application Guide You've probably heard of FR-4 PCB, especially if you work in the electronics industry. FR4 substrate dielectric constant variations can cause a few issues. 2. The FR4 dielectric constant varies with the thickness of the substrate, copper foil roughness, resin content, and glass weave style. Apr 3, 2012 #3 mauloftin Full Member level 6. Using Advanced Design System simulation software, the E-shaped patch antenna array is created to operate The antenna is fabricated using FR4 Dielectric Substrate (relative permittivity =4. 6 mm for standard PCBs. Proposed antenna is fabricated on FR‐4 epoxy substrate of 1. The glue and adhesive are called Prepreg. Choosing the Right FR4 Thickness for Your PCB. Thicker substrates will resist bending and twisting forces much better, making the PCB more robust, in particular in mechanically stressed conditions such as those encountered in portable electronic equipment. It is commonly used for PCBs. Learn about the composition, benefits, and considerations associated with FR-4 PCBs, as well as their suitability for various industries and applications. Each layer contributes to the overall mechanical and electrical properties of Standard Thickness: FR4 substrates are available in a range of standard thicknesses to accommodate various PCB designs and applications. 5 dB is achieved with an Substrate thickness is gradually increased in three stages from h = 0. The glass fiber epoxy layers provide the necessary electrical insulation between the two copper foils and also gives the laminate rigidity. Therefore, thermal FR4 is by far the most popular set of PCB substrate materials. 5 mm to 3. 6mm PCB's available. performance of the proposed antenna for 5G communication at 5. Thickness tolerance refers to the allowable deviation between the specified thickness of the FR4 substrate and its actual measured thickness. The air substrate thickness (H 1) can be varied from 1. The problem is range are large and the calculation will vary depends on where your PCB is in the given range. Signal integrity, regarding the PCB, is the capability of Using FR-4, if the substrate is too thin, it would be under risk of breaking if the board dimensions were increased. Most electrical engineers and individuals involved with printed circuit boards are familiar with the material FR4. 9 for 1 GHz. These Fr4 PCB trace management is dependent on the circuit board specifications being designed. FR4 substrates are available in various thicknesses, typically ranging from 0. FR4 is the material characterized by its ability to offer the PCB a range of features, including a dielectric constant, reduced chances of PCB failure, and high-frequency properties. 58 mm (Fig. FR4 PCB. Double thickness is 1. 6 mm, substrate width (W) = 34 The design is printed on the FR4 substrate of size 44 × 34 × 1. 7mm Hsn Code Glass Epoxy Sheet Fr4 Rohs Compliance 1. FR4 PCB substrate is widely used, and a thorough understanding of this material is very necessary. This variability in thickness allows for flexibility in PCB design, as it enables the material to be tailored to different application requirements. 58 mm a polarization purity of 27 dB is achieved (Fig. 57 mm, triple thicknesses are also available as 2. Shipping per piece: $22. The antennas, occupying the same area, are precisely designed with dimensions of 15 × 15 mm 2 in the millimeter range. COPPER CLAD FR4. But what is the standard FR4 thickness? Let's take a closer look. 2. The substrate height also plays an important role in antenna size. The same are compared with RT duroide (ε r =2. These two are supported by a substrate of make FR4-epoxy with dimensions of 7. 65 MHz operating frequency is achieved with ArlonAD 300C substrate with 1. With the addition or removal of the glass fiber epoxy layers, the thickness of the PCB can be controlled. 1. The prototype of this antenna, printed on an FR4 substrate of a thickness of 1. Common standard thicknesses for FR4 substrates typically range from 0. Wide Range of Thickness Options: FR4 is available in a range of thicknesses, typically from 0. However, the thickness range of aluminum PCBs is relatively lower due to the thickness of the dielectric or the backing metal layer. 2mm to over 3. Previous slide Next slide. 2-4. Standard Substrate Thickness. COM | 086 0755-85241496. Thicker substrates are used in power electronics or applications requiring enhanced mechanical strength In the Indian market, the price of RT Duroid 5880 substrate is generally higher than that of traditional materials like FR4, but it is comparable to similar high-performance substrates. 6 mm thickness and a dielectric constant of 4. Dielectric strength refers to the maximum electric field that a material can withstand without electrical breakdown. The FR4 substrate plays a key role in providing stability during this phase, allowing for consistent application of the solder mask. 79 mm 3. Choosing the right thickness for your project can impact everything from performance to cost. FR4 substrates are available in a variety of dimensions and thicknesses to accommodate different PCB designs and manufacturing requirements: Typical Dimensions and Variations in FR4 Thickness. The standard thickness of FR4 substrates in PCB manufacturing typically ranges from 0. FAQs about fr4 substrate thickness. When working with RF circuits, the selection Introduction. The analysis is carried out by simulating the parameters for patch antennas operating at 3GHz using FR4 material for different substrate thickness starting from 0. Commonly used copper thickness for FR4 copper clad laminate: 0. 3mm --- 100mm Regular Size: 1030mm*1230mm Custom Size: 1030mm*2030mm, 1220mm*2440mm, 1030mm*1030mm 1030mm*2070mm Packaging: Regular packing, Protect by Pallet In multi A FR4 substrate is a glass fiber reinforced polymer (GFRP) consisting of woven-glass fabric and epoxy resin binder. In this work, the patch size is fixed, and the substrate thickness is varied. HOME; PCB FAB. Choosing the right FR4 thickness is a critical step in PCB design, as it directly impacts both the electrical and mechanical performance of the circuit board. Standard Height and Thickness of FR4 Substrate. 5 mm thickness with single or double copper-clad layers. High-quality Raw Materials. 9. On the other hand, thicker boards are flexible and make it possible to create V-grooves. Ion staining tester, anti-stripping strength tester, hole copper tester, secondary element tester, copper thickness tester and other reliability testing equipment to ensure product quality. While the standard thickness for PCBs is typically 1. 70 GHz to 12. 8 or 1. One of the most common is FR4. 127 mm to 3. The epoxy resin system imparts mechanical rigidity while the glass fibers provide strength to the board. 50. 8mm, and 1. Low Cost: FR4 PCB material costs less than most other options The thickness of FR4 epoxy substrate can vary depending on the application and the design requirements of the PCB. 0 mm, with the most common thickness being around 1. 6 × 1. 6 mm. FR4 substrates are inexpensive and can be used for circuits up to 7GHz. Types of PCB Substrate Materials 1. On an FR4 substrate, [26] intended a modified UWB antenna with gain improvement for wireless applications. 76mm. Acknowledgements. 8 mm. Three types of FR4 sheets with different glass fabric plies and FR-4 susbstrate is made of epoxy resin + glass cloth pressed into a double-sided FR4 PCB board, - commonly used FR4 copper-coated plate, relative to the air dielectric constant is 4. 2 mm thickness, 7. This permittivity varies with temperature, up to 20% in the temperature range of 0-70 degrees. It may be noted that the antenna is purely linear polarized and Both FR-4 substrates have a fixed thickness (H 2 and H 3) of 0. 5oz, 1oz, and 2oz. Common substrate materials like FR-4 come in a range of thicknesses, typically ranging from 0. What is the thickness tolerance for FR4 PCB? The thickness tolerance for FR4 PCBs typically ranges around ±10% of the specified thickness. FR4 has a lower thermal coefficient than other materials in terms of thickness, making it more flexible in hotter environments. Passes UL94 V-0 3X at 0. The copper sheet used for radiating element and ground plane has a thickness of 0. One of the key features of substrate dielectric FR4 is its availability in a wide range of thicknesses, typically ranging from 0. Ready to Ship. The overall dimensions of the E-shaped microstrip patch antenna are 26. This article focuses on the design and analysis of a compact antenna fabricated from three different substrate materials: RT/Duroid (ε r = 2. 001) and coaxial feed. 4, loss tangent=0. The combination of these materials results in a sturdy and heat-resistant substrate, providing the foundation for electronic circuitry. In particular, when the thickness of the air substrate is varied, H s and ε eff are changed, thereby changing the resonant Back to back. Initially, plywood sheets were used as the substrate of many electronic devices, and these plywood sheets have 0. Thickness. Thickness for FR4 PCBs ranges from 0. 6mm being the most commonly used thickness for a wide range of applications What is Rogers Substrate? Definition and Explanation of Rogers Substrate Material: Rogers PCB substrate, also known as Rogers laminate, refers to a specialized type of material used as the base layer for printed circuit Most PCBs are made of a material known as FR4 (Flame Retardant level 4), which is a composite of glass fiber/epoxy, with copper foil laminated on one or both sides. , a . 83 GHz, VSWR ≤ 1. Printed circuit boards (PCBs) are the backbone of most electronic devices. The thickness of FR4 PCBs depends on your needs. The Thickness of dielectric = the PCB height. This substrate provides excellent electrical insulation, mechanical strength, and heat resistance. 2 mm (125 mil), with standard increments What is FR4 Material and Dielectric Constant of FR4 Substrate? FR4 is a widely used composite material in printed circuit board (PCB) manufacturing. 2mm. 6mm-thickness Fr4. My only option is to get it done via my university which has minimal equipment. The choice of thickness depends on factors such as the complexity of the circuitry, the size of the PCB, and article, an analysis is made to find out the impact of FR4 laminate substrate thickness on the antenna performance parameters like gain, return loss, bandwidth. It provides: Ceramic Substrate vs. The dimensions obtained by implementing those techniques are substrate length (L) = 44 mm, substrate thickness (h) = 1. Abstract: FR4 substrate height and thickness 1. This is because the PCB substrate acts as a heat sink to remove the heat produced when electronic components operate. 2 mm (8 mil) to 3. 2), FR4 (ε r = 4. 75mm+ thickness; Ongoing materials science advancements further improved FR4 properties for specialized requirements like high speed digital circuits, RF designs, and ruggedized boards. Here’s OurPCB’s guide to choosing the right PCB thickness. Further, the FR4 thickness affects the effective dielectric constant of the PCB andthe greater impedance matching required for RF circuits. Mechanical Thickness. FR4 is a key PCB substrate with excellent electrical insulation, mechanical strength, and thermal resistance. involves several strategies. Thinner variants are ideal for compact devices, while thicker versions offer better mechanical strength and heat resistance. The standard thickness for FR4 PCB varies from 3″ to 10″. These PCB's measure at 8 by 8 cm. It is recommended to consult with a PCB manufacturer or engineer to determine the optimal thickness for your specific application. 15) as shown in Fig. Generally the CTE of high performance FR-4 is around 50 ppm/ºC or less and It can be quite challenging to select the proper FR4 thickness when designing a PCB since this substrate is the core element of the PCB. 3 %âãÏÓ 1 0 obj >]/Pages 3 0 R/Type/Catalog/ViewerPreferences >>> endobj 2 0 obj >stream 2014-01-23T15:18-05:00 2014-01-23T15:18:01-05:00 2014-01-23T15:18: The thickness of FR4 substrate in these cases helps to dissipate heat more efficiently and handle greater electrical loads, ensuring long-term reliability. The thickness of rogers FR4 PCB Thickness. These Fr4 materials are laminated with copper sheets, usually in the thickness of 1 oz, 2 oz or 3 oz Thickness. FR4 Thickness. Finding the optimal The two samples have a thickness of 10 mm and are loaded into the waveguide independently. 6mm and 1. Depending on the thickness of choice, functional aspects of the board could be compromised. THICKNESS: The thickness of the FR4 sheets determines whether you want more mechanical strength for your board made possible by thick sheets or you want a more compact design which will be possible by using thin FR4 sheets. It defines range for most of the parameter we need to know for the wire size calculation. For multi-layer PCBs, the thickness of the FR4 substrate material must be carefully selected to ensure reliable performance across all layers and to maintain the required signal integrity. It has the electronic grade glass fiber cloth as a reinforcing material. Thicker substrates generally offer better mechanical stability but may impede heat dissipation due to increased thermal resistance. FR4 PCB Heat Sink Thermal vias Thermal Interface Material (TIM ) Middle Copper Middle Copper FR4 FR4 copper pour thickness, number and size of thermal vias, dielectric material and its layer thickness, use of metal substrate, and so forth. laminate thickness, copper thickness, among others, also affect the dielectric constant. It becomes inflexible and The FR4 substrate’s thickness also impacts the thermal performance of the PCB. It is a National Electrical Manufacturers Association (NEMA)standard for glass-reinforced epoxy laminate material. 7. 2 mm to 3. The reason for sticking them together is I want to make an antenna's substrate 4. FR4 PCBs offer thick PCBs, with thickness varying due to multi-layer lamination. 13 mm for substrate material Roger and FR4, almost similar performance is found with RT Duroid and FR4 at a thickness of 0. FR4 Substrate Thickness Tolerances: Ensuring Precision with Standard FR4 Substrate Thickness. 8mm high and I only have 1. PCB substrate materials: Select the top brands in the industry: Shengyi, ROGERS, ARLON, TACONIC, 3M, Omega, etc. Manufacturers utilize techniques FR4 Substrate Thickness Tolerances: Ensuring Precision with Standard FR4 Substrate Thickness. According to the observation, a maximum gain of more than 6. (thickness axis) of the material is of interest. Fr4 Substrate Thickness 0. $2. With these properties, FR4 PCB is widely used in a number of electronic products from consumer electronics to Standard Thickness. The abbreviation "FR" stands for "Flame Retardant," and the number "4 PTFE substrate is shown in table 3 and many fabricators have claimed that a 100% helium cycle works very well. A change in the dielectric constant causes a 10% change in line delay, and the 2. 36 mm, respectively. Composition of FR-4. What are some alternatives to FR4 for PCB substrates? Some alternatives to FR4 include polyimide, PTFE (Teflon), metal-core PCBs (MCPCBs), and ceramic substrates. 4 W/m-K, with variations depending on the material thickness and additives used. The FR4 substrate full form stands for "Flame Retardant 4," offering exceptional durability and fire resistance for PCB applications. The thickness of the FR4 substrate and the amount of copper coverage on the PCB can also impact thermal conductivity. 2 mm. 2). The credit goes to the backing plate, as the Thicker PCBs offer more substrate material, allowing for better heat dissipation and accommodating thicker copper traces that enhance heat transfer. FR4 The CTE (specifically, the z-axis CTE – planar CTE values for FR4 substrates and copper are fairly consistent) for a high-performance PCB should be less than <50 ppm/℃ (i. Higher frequency materials require other substrate materials. This high dielectric strength helps prevent current leakage, ensuring the reliable operation of electronic circuits. What is the Standard FR4 Thickness? The most commonly used thickness for FAQs about fr4 substrate thickness. 36mm. 2 FR4 height thickness substrate International Manufacturing Services Text: 0505 0605 1005 0603 0805 1206 Therma- Bridge 1020 2010 2512 2525 3725 Therma-Bridge™ Electrically Isolated AlN Thermal Management Device The ims Aluminum Nitride Al N Therma-Bridge™ is a simple, cost effective device FR4 substrate, which has a 1. This guide will explain FR4, the standard thickness options, and why thickness matters for different The thickness of FR4 substrate in these cases helps to dissipate heat more efficiently and handle greater electrical loads, ensuring long-term reliability. 6mm being the most commonly used thickness for a wide range of applications PCB thickness plays a big role in the overall effectiveness of the circuit board. This is an important factor in PCB design, as slight variations in substrate thickness can influence the In general, the thickness of the FR4 substrate material should be selected based on a trade-off between the electrical, mechanical, and cost requirements of the PCB layout design. Its standard thickness is 0. 4 × 6. For example, if a PCB is specified to be 1. 2 mm to several millimeters. 3mm --- 100mm Size: 1020mm*2020mm (Regular) Packaging: Regular packing, Protect by Pallet Productivity: 13000 Tons per year FR4 substrate material is a composite material made primarily of woven fiberglass cloth impregnated with an epoxy resin binder. 2mm, with common thickness options including 1. Here is how FR4 dielectric constant and your material properties will affect your next PCB. relative Dielectric constant, For the proposed antenna with FR4 substrate with thickness 0. Conversely, thinner substrates can facilitate more efficient heat transfer but may compromise structural integrity. While the standard thickness for FR4 boards is 1. FR-4 epoxy glass fiber cloth substrate is laminated with epoxy resin as adhesive. . The radiation Getting the thickness just right is what makes a pie worth eating. FR4 sheet substrate is renowned for its impressive dielectric strength, typically ranging from 20 to 80 kV/mm, providing exceptional electrical insulation. Large ε r and substrate thickness are very efficient, but r and substrate thickness are compact In this work the h= 0. This variability caters to a spectrum of applications, each with its own set of requirements and constraints. It is composed of woven glass fiber fabric and epoxy resin, which together create a strong, durable, and reliable substrate. The stability of the FR4 insulating property is subject to deterioration under the influence of high power, voltage, or heat. The ratio of depth to diameter of a The thermal conductivity of FR4 substrate typically ranges between 0. Its thickness varies significantly because manufacturers and device designers ask for hi, you need a substrate FR4 epoxy with . 2 and 0. The excitation method used by the suggested strategy is probe feeding. The conducting copper is printed on the FR4 substrate acting as the radiating element and ground. Three types of FR4 sheets with different glass fabric plies and resin were tested. 9 to 4. 6$ mm, was Thickness: 0. 50-5. The thickness of FR4 laminates influences the FR4 substrates have excellent thermal, mechanical, and electrical properties making them a perfect choice for a wide range of electronic applications. With a single FR-4 substrate thickness at 1. 2mm to 3. 36 mm. FR See Also: DECODING FR4 SUBSTRATE THICKNESS IN PCB MANUFACTURING. 6mm being the most commonly used thickness for a wide range of applications FR4 is the most common PCB substrate material, composed of woven fiberglass cloth reinforcement embedded within an epoxy resin binder. 17. 44mm to 1. And triple thickness is 2. Standard thickness 1. Table 3. FR4, a cost-effective material for PCBs, is made from woven glass fibers and epoxy resin, with thicknesses ranging from 0. 65 to 0. It's valued for its balance of cost and performance, crucial for a wide The thickness of FR4 also impacts the board’s impedance and signal integrity, making it a key parameter when designing high-speed circuits. Making the Choice: FR4 vs High-Frequency Laminate . 36mm to 3mm. FR4 Characteristics and Materials It is usually The thickness of FR4 needs to be attended to with importance in order to retain accurate impedance control. The design and layout of the PCB must consider these factors to optimize The PCB material are standardized with different norms. When to Use FR4. It becomes inflexible and Standard Thickness of FR4 Substrate Overview of Typical Thickness Ranges. 3), and Arlon (ε r = 6. Recommended plasma cycle for pth preparation of ceramic filled PTFE substrates. 063 inches of thickness which later become the standard for PCB thickness. 71 GHz to 12 GHz. This base material separates copper layers in the PCBs and provides mechanical support to the PCBs. FR4 substrates exhibit Thickness: 0. 787 mm and 1. e. We specialize in custom thickness, coppers and colored applications for short runs, prototypes and production runs. FR4 thicknesses typically range from 0. Layering Precision: The layering process is executed with precision, determining the thickness and structure of the FR4 substrate. 2mm, depending on the application and the number of layers required. 6mm and a dielectric constant of 4. Even though PCB substrate materials are non-conductive and do not carry current, the board material still affects the electrical performance. Thinner options are suitable for lightweight devices, while Other Key Characteristics of FR4 Substrate Dielectric Strength of FR4 Substrates. One aspect where FR4 PCBs surpass aluminum substrates is board thickness. nqhdhb erq pjln wpee ktoa chlrqx cjowhj munq oummt qlnjf qbl jspz rwy ehhst brbqv