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Aluminium PCB – Hitech Circuits Co., Limited, from China
1. What’s Aluminium LED PCB?
Aluminum LED PCB substrate is a metal - based copper-clad sheet with good heat dissipation. A single panel is generally composed of three layers of structure, namely the circuit layer (copper foil), insulation layer and metal base layer. It is commonly found in LED lighting products. There are two sides, the white side is used to weld the LED pins, and the other side is the natural color of aluminum, which is usually coated with heat-conducting gel and then in contact with the heat-conducting part. Among all metal core PCBS, Aluminum LED PCB is the most common type. The base material consists of an aluminum core and standard FR4. It features a thermal cladding that dissipates heat in an efficient manner while cooling components and improving the overall performance of the product. Currently, aluminum-backed PCBS are considered solutions for high power and tight tolerance applications.
2. Aluminum LED PCB with Copper Layer, Dielectric Layer & Aluminum Layer
Aluminum LED PCB has a similar layout to any other printed circuit boards with copper layer(s), solder mask layer(s) and silkscreen(s). Instead of having a fiberglass or plastic substrate, Aluminum LED PCB is made from metal core substrate, which consists of copper layer, dielectric layer and aluminum layer. This substrate is called as Aluminum based copper clad laminate (CCL). The glass reinforced and ceramic filled dielectric layer in-between copper layer and aluminum layer is very thin, but plays a very important role of electric insulation and thermal conductivity (because of minimum thermal resistance) from copper layer to aluminum base. The copper is etched into conductors and metal base is to withdraw thermal (/heat). The superior heat transfer capacity of Aluminum-based PCB helps cooling components while eliminating problems associated with managing fragile ceramics.
3. Thermal conductivity of Aluminium LED PCB
The general thermal conductivity of Aluminum LED PCB is 0.3, 0.6, 1.0, 1.5, 2.0, 3.0, 5.0, 122W/m.k, etc., among which 0.3-1.0w /m.k is the general conductive Aluminum LED PCB, 1.5W/m.k is the middle conductive Aluminum LED PCB, 2.0-3.0w /m.k is the high conductive Aluminum LED PCB. 5.0W/m.k is thin abasal substrate, and 122W/m.k is ultra-high conductivity Aluminum LED PCB, also known as ALC Aluminum LED PCB.
At present, the common Aluminum LED PCB on the market has a thermal conductivity of 1.0, 1.5, 2.0W/m.k high conductivity type Aluminium LED, wherein the thermal conductivity of 1.0W/m.k Aluminum LED PCB is called general Aluminum LED PCB, its insulation layer is composed of epoxy glass cloth bonded sheet; Aluminum LED PCB with thermal conductivity of 1.5W/m.k is called high heat dissipation Aluminum LED PCB, and its insulation layer is composed of epoxy resin or other resins with high thermal conductivity; The Aluminum LED PCB with a thermal conductivity of 2.0W/m.k is called the Aluminum LED PCB for high-frequency circuit, and the insulating layer is composed of polyolefin resin or Polyimide resin glass cloth bonded sheet. The thermal conductivity of Aluminum LED PCB varies according to the copper layer in the circuit. Different processes produce different levels of thermal conductivity.
We currently support Aluminum based CCLs from Ventec, GDM and BoYu with thermal conductivity from 1.0 ~ 7 W/m•K. The Aluminum LED PCB prices of Ventec is much higher than that with GDM and BOYU since material cost, and the prices of high thermal conductivity is higher than low thermal conductivity. Hitechpcb provides a wide range of electrical and thermally conductive interface pads, thermally conductive gap filler, thermal phase change materials and thermally conductive electrically insulating materials, as well as specialized equipment for high volume Aluminum LED PCB manufacturing. Choosing Hitech Circuits PCB as your Aluminum LED PCB supplier, just send your Gerber files and fabrication notes to us, we will deliver qualitied PCB boards to you on time.
4. Dielectric Constant of Aluminium LED PCB
The dielectric constant of Aluminum LED PCB substrate is a special detection method for Aluminum LED PCB. It is a variable Q value series resonance method through the measurement of dielectric constant and dielectric loss factor. The sample and tuning capacitor are connected in series to the high frequency circuit to measure the series circuit The principle of Q value.
The performance of Aluminum LED PCB includes requirements such as peel strength, surface resistivity, minimum breakdown voltage, dielectric constant, flammability and thermal resistance.
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Your leading PCB High Volume PCB Assembly supplier in China
With 15 years of experience and high efficiency in PCB assembly and manufacturing, HITECH CIRCUITS is the perfect source for Big Batch PCB assembly on a limited budget. If you are looking for a large PCBA assembly within your budget, we will be your ideal choice. HITECH CIRCUITS has more than 15 years of experience in the OEM/PCBA manufacturing and assembly of printed circuit boards, advanced production technology and equipment, professional engineers and purchasing team to provide our partners with personalized and complete process solutions. HITECH CIRCUITS’s supply chain services deliver supply chain innovation on demand. We offer a bold, yet proven service solution designed to grow market share and profit. Our innovative approach to managing the supply chain offers a complete business model that delivers the talent and transformative tools necessary to create predictability, reliability, and responsiveness across your entire supply chain. Our practitioners are passionate about supply chains. We have spent a generation understanding, refining and building the best in intelligent supply chains. We provide talent on-demand with expertise in data analytics and strategic technologies that can help you predict, plan and respond more effectively.
Some designs require assemblies in small volume, maybe just prototypes, while others require them in high volume. At SMT house, High Volume, Large Volume, or Big Batch PCB Assembly always refers to printed board assembly projects with quantities more than 5K pieces. HitechPCB has the capability to offer high volume PCB assembly services to meet your requirements of high-quality, competitive price, on-time delivery and smooth communication in any manner of full turnkey, consigned and partial turnkey.
Also, if your business is involved in applications that require high-volume PCB assembly, the company to contact is HitechPCB, because we’re a complete turnkey solution for printed circuit boards assembly, we are ideally suited for bulk PCB assembly orders. Our state-of-the-art equipments, large facility and wide range of highly-qualified experts give us the capability of high-volume PCB assembly of up to 9,000,000.
We are also the perfect source if you’re looking for large-order PCB assembly on a budget. Because of our high level of efficiency and more than 10 years of experience with printed circuit board manufacturing and electronics assembly, we offer large printed circuit board orders at surprisingly competitive prices compared to other PCB manufacturers or PCB assembly companies.
Our large order PCB assembly process starts with a tested and practiced set of workflow guidelines for every phase of the process, from pre-order PCB design consultation with professional veteran engineers to PCB fabrication, components sourcing, PCB assembly, PCBA testing, PCBA inspection, PCBA packing and shipping all under the auspices of a highly-skilled production staff. You can be confident that no matter how many circuit boards you order, you will enjoy fast service, low prices and extremely high quality.
With our excellent after-sales service, 24 sales and technical support team, quick response service, we will be your best Big Batch PCB assembly manufacturer inChina. A wide variety of highly qualified experts
Why choose Hitechpcba Big Batch PCB Assembly
Compared to our competitors, Hitechpcba offers large printed circuit board orders at very competitive prices. The risky big batch PCB assembly process begins with a set of tried and tested workflow guidelines. From ordering PCB design to component procurement, manufacturing, testing, assembly, inspection, shipping and packaging. This is all under the guidance of our highly skilled production staff.
No matter how many boards you order, you'll love the fast response service, low cost, and surprisingly high quality.
Whether you are seeking for product designer, electrical engineer, system integrator, manufacturer, or big batch PCB manufacturing and assembly, low cost big batch PCB housing, electronic assembly services, Hitech Circuits PCB Assembly team will be your perfect choice for big batch PCB assembly plant inChina.
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