{"id":1149,"date":"2025-09-26T23:57:30","date_gmt":"2025-09-26T15:57:30","guid":{"rendered":"https:\/\/ulpcb.com\/?page_id=1149"},"modified":"2025-09-27T00:00:22","modified_gmt":"2025-09-26T16:00:22","slug":"al-pcb-board","status":"publish","type":"page","link":"https:\/\/ulpcb.com\/fr\/al-pcb-board\/","title":{"rendered":"AL PCB Board"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"1149\" class=\"elementor elementor-1149\">\n\t\t\t\t<div class=\"wd-negative-gap elementor-element elementor-element-5e77ba62 e-flex e-con-boxed e-con e-parent\" data-id=\"5e77ba62\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1ddb65b wd-el-breadcrumbs text-left elementor-widget elementor-widget-wd_element_breadcrumbs\" data-id=\"1ddb65b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_element_breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav class=\"wd-breadcrumbs\"><a href=\"https:\/\/ulpcb.com\/fr\/\">Home<\/a><span class=\"wd-delimiter\"><\/span><span class=\"wd-last\">Page<\/span><\/nav>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-3ddd1b87 e-flex e-con-boxed e-con e-parent\" data-id=\"3ddd1b87\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-15581321 e-con-full e-flex e-con e-child\" data-id=\"15581321\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-774ca00d wd-width-100 elementor-widget elementor-widget-wd_images_gallery\" data-id=\"774ca00d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_images_gallery.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-images-gallery photoswipe-images wd-carousel-container\" style=\"--wd-align-items:center; 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Its core feature is that it only contains a \"single - layer conductive circuit layer\". Through the three - layer composite structure of \"aluminum base material - thermally conductive insulating layer - single - layer copper foil circuit\", it achieves the dual functions of \"electrical connection + efficient heat dissipation\". Compared with multi - layer aluminum - based PCBs, it has more advantages in manufacturing process and cost control, while retaining the core heat - dissipation characteristics of aluminum - based PCBs. It is widely used in scenarios with medium - and low - power requirements, cost - sensitivity, and clear heat - dissipation needs, such as LED lighting, small - power modules, automotive auxiliary electronics, and other fields.<\/h2>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-23cc1cc e-con-full e-flex e-con e-child\" data-id=\"23cc1cc\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-38dd81c6 elementor-widget elementor-widget-wd_popup\" data-id=\"38dd81c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_popup.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"wd-button-wrapper text-left\" >\n\t\t\t<a class=\"btn btn-style-default btn-shape-rectangle btn-size-default wd-open-popup btn-color-primary btn-icon-pos-right\"  href=\"#quote\">\n\t\t\t\t<span class=\"wd-btn-text\" 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400V214.398c22.914 18.251 55.409 43.862 104.938 82.646 21.857 17.205 60.134 55.186 103.062 54.955 42.717.231 80.509-37.199 103.053-54.947 49.528-38.783 82.032-64.401 104.947-82.653V400H48z\"><\/path><\/svg>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t<\/a>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7c8ea970 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7c8ea970\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-4295dd97 e-flex e-con-boxed e-con e-parent\" data-id=\"4295dd97\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div 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Open items with Enter or Space, close with Escape and navigate using the Arrow keys.\" data-no-translation-aria-label=\"\">\n\t\t\t<div class=\"e-n-tabs-heading\" role=\"tablist\">\n\t\t\t\t\t<button id=\"e-n-tab-title-18140607571\" data-tab-title-id=\"e-n-tab-title-18140607571\" class=\"e-n-tab-title\" aria-selected=\"true\" data-tab-index=\"1\" role=\"tab\" tabindex=\"0\" aria-controls=\"e-n-tab-content-18140607571\" style=\"--n-tabs-title-order: 1;\">\n\t\t\t\t\t\t<span class=\"e-n-tab-title-text\">\n\t\t\t\tDescription\t\t\t<\/span>\n\t\t<\/button>\n\t\t\t\t\t<\/div>\n\t\t\t<div class=\"e-n-tabs-content\">\n\t\t\t\t<div id=\"e-n-tab-content-18140607571\" role=\"tabpanel\" aria-labelledby=\"e-n-tab-title-18140607571\" data-tab-index=\"1\" style=\"--n-tabs-title-order: 1;\" class=\"e-active elementor-element elementor-element-645173b0 e-con-full e-flex e-con e-child\" data-id=\"645173b0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"wd-negative-gap elementor-element elementor-element-266e65be e-flex e-con-boxed e-con e-child\" data-id=\"266e65be\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-3436290b elementor-widget elementor-widget-wd_text_block\" data-id=\"3436290b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_text_block.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"wd-text-block reset-last-child text-left\">\n\t\t\t\n\t\t\t<h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">I. Definition and Structural Analysis of Single - Layer Aluminum Base PCB<\/h3><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The single - layer aluminum base PCB is essentially a special - type PCB with a structure of \"single - layer circuit + aluminum - based support\". Structurally, from bottom to top (or from top to bottom, depending on the component soldering - side design), it is divided into three core layers, each with a clear function and working in coordination:<\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><div class=\"auto-hide-last-sibling-br mdbox-table-root table-container-GhL7Lo\" data-scroll-inline-overflow=\"true\" data-scroll-inline-at-start=\"true\" data-scroll-inline-start-overflow=\"false\" data-scroll-inline-at-end=\"false\" data-scroll-inline-end-overflow=\"true\"><div class=\"table-scroll-container-hgHkfW mdbox-table-scroll-container\"><table><thead><tr><th>Structural Layer<\/th><th>Core Components and Specifications<\/th><th>Thickness Range<\/th><th>Core Functions<\/th><\/tr><\/thead><tbody><tr><td>Aluminum Base Material Layer (Bottom \/ Support Layer)<\/td><td>Mostly use aluminum alloys of models 1050, 1060, or 5052. Among them, 1060 aluminum has high purity (\u226599.6%) and good thermal conductivity (thermal conductivity coefficient of 209W\/m\u00b7K), and 5052 contains magnesium elements, resulting in higher mechanical strength.<\/td><td>0.5 - 6mm (commonly 1.0 - 3.0mm)<\/td><td>\u2460 Serves as a physical support, providing a stable installation foundation with better bending and vibration resistance than FR - 4 substrates. \u2461 Acts as the main heat - dissipation channel, quickly spreading the heat conducted from the insulating layer (heat - dissipation efficiency can be further improved by attaching a heat sink, natural convection, or forced air - cooling on the surface). \u2462 Its lightweight feature (density of about 2.7g\/cm\u00b3, only 1\/3 of that of copper) reduces the weight of end - products.<\/td><\/tr><tr><td>Thermally Conductive Insulating Layer (Middle Layer)<\/td><td>Uses epoxy resin as the matrix, filled with thermal - conductive fillers (usually alumina for regular products, and boron nitride or silicon carbide for high - end products). Some products may add flame retardants (such as bromine - based or halogen - free flame retardants).<\/td><td>50 - 200\u03bcm (commonly 75 - 125\u03bcm)<\/td><td>\u2460 Electrical insulation: Isolates the aluminum base material from the copper - foil circuit to prevent short - circuits. The breakdown voltage should be \u22652kV (3 - 5kV for regular products), and the volume resistivity should be \u226510\u00b9\u2074\u03a9\u00b7cm. \u2461 Heat conduction: Serves as a \"heat bridge\", transferring the heat generated by components on the copper - foil circuit to the aluminum base material. The thermal conductivity coefficient is a core indicator (0.8 - 1.5W\/m\u00b7K for regular products, 2 - 3W\/m\u00b7K for high - thermal - conductivity products, much higher than the 0.2 - 0.3W\/m\u00b7K of the insulating layer of FR - 4 PCBs).<\/td><\/tr><tr><td>Copper - Foil Circuit Layer (Top \/ Conductive Layer)<\/td><td>Mostly electrolytic copper foil (low - cost and suitable for mass production), and a few high - precision scenarios use rolled copper foil (good flatness and bend - resistance). The thickness of the copper foil is selected according to the current demand.<\/td><td>1oz (35\u03bcm), 2oz (70\u03bcm), 3oz (105\u03bcm) (commonly 1oz - 2oz)<\/td><td>\u2460 Arranges conductive circuits: Forms the required circuit patterns through the etching process to achieve electrical connections between components (such as LED lamp beads, resistors, capacitors). \u2461 Bears component soldering: The surface can be treated with OSP (Organic Solderability Preservative), tin - plating, silver - plating, etc., to ensure soldering reliability and prevent copper - foil oxidation.<\/td><\/tr><\/tbody><\/table><\/div><\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Some single - layer aluminum base PCBs add a \"solder - mask layer\" on the surface of the copper - foil circuit layer (such as the matte white oil and matte black oil commonly used in LED lighting). The white - oil solder - mask layer can increase the light reflectivity (up to over 90%), reducing the light loss of LED light sources. The black - oil solder - mask layer has certain light - shielding properties, suitable for scenarios sensitive to light interference.<\/div><h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">II. Core Technical Features of Single - Layer Aluminum Base PCB<\/h3><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Although the single - layer aluminum base PCB has a simple structure, its technical advantages are concentrated in the three dimensions of \"heat - dissipation, process, and cost\", precisely matching the needs of medium - and low - power scenarios:<\/div><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(1) Heat - dissipation Efficiency: Solving the \"Overheating Failure\" Pain Point of Medium - and Low - power Components<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Compared with traditional single - sided FR - 4 boards (thermal conductivity coefficient of only 0.2 - 0.3W\/m\u00b7K), the heat - dissipation capacity of a single - layer aluminum base PCB is 3 - 10 times higher. The core logic lies in \"direct heat conduction to the aluminum base material\". Take an LED lamp bead as an example. When a 1W LED is working and soldered on an FR - 4 board, the junction temperature is likely to exceed 85\u2103 (causing accelerated light decay). However, when soldered on a single - layer aluminum base PCB, the heat is quickly transferred to the aluminum base material through the insulating layer, and the junction temperature can be reduced to below 60\u2103, significantly extending the LED lifespan (from 20,000 hours to over 50,000 hours). In addition, the \"large - area heat - dissipation characteristic\" of the aluminum base material does not require additional complex heat - dissipation structures (such as multi - layer heat - dissipation vias), especially suitable for the uniform heat - dissipation needs of \"long - strip - shaped and large - area\" lighting products like LED tubes and panel lights.<\/div><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(2) Manufacturing Process: Simplified Process, High Yield, and Suitable for Mass Production<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The manufacturing process of a single - layer aluminum base PCB is optimized based on the traditional single - sided board process, without complex processes such as multi - layer lamination and blind\/buried vias. The core steps include: \u2460 Pretreatment of the aluminum base material (cleaning, surface passivation to enhance adhesion to the insulating layer). \u2461 Coating of the insulating layer (evenly coating the thermally conductive insulating adhesive on the aluminum base material and forming the insulating layer through high - temperature curing). \u2462 Copper - foil lamination (pressing the copper foil and the insulating layer together under high - temperature and high - pressure to ensure the bonding strength). \u2463 Circuit fabrication (photolithography and etching to form conductive circuits). \u2464 Surface treatment and solder - mask layer printing. \u2465 Shape processing (cutting and drilling to meet installation requirements). The entire process has fewer procedures (only 1\/3 of that of multi - layer aluminum base PCBs), a high yield (the industry - average yield is over 95%, higher than the 85 - 90% of multi - layer aluminum base PCBs), and low equipment investment, making it suitable for mass orders of over 100,000 pieces per year.<\/div><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(3) Cost and Cost - performance: The \"Optimal Solution\" for Medium - and Low - power Scenarios<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Under the premise of meeting heat - dissipation requirements, the single - layer aluminum base PCB has significant cost advantages:<\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><ul class=\"auto-hide-last-sibling-br\"><li><strong>Material Cost<\/strong>: It does not require multiple layers of copper foils and prepregs. The unit price of the aluminum base material (about 20 - 30 yuan\/\u33a1) is lower than the cost of the composite base material of multi - layer boards.<\/li><li><strong>Processing Cost<\/strong>: The simplified process reduces the processing cost to only 50 - 60% of that of multi - layer aluminum base PCBs (for example, the processing cost of a 1\u33a1 single - layer aluminum base PCB is about 50 - 80 yuan, while that of a 2 - layer aluminum base PCB is about 120 - 150 yuan).<\/li><li><strong>Terminal Cost<\/strong>: Without additional heat - dissipation accessories (such as heat sinks and thermal pads), it can reduce the overall cost of end - products (for example, for LED tubes using a single - layer aluminum base PCB solution, the total cost is 15 - 20% lower than the FR - 4 + heat - sink solution).<\/li><\/ul><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">This characteristic of \"low cost + sufficient heat - dissipation\" makes it the first choice for medium - and low - power (\u226410W) scenarios, such as LED bulbs, small - switch power supplies, and automotive dashboard backlights.<\/div><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(4) Mechanical and Environmental Adaptability: Stable and Reliable, Suitable for Multiple Scenarios<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The mechanical strength of the aluminum base material is better than that of the FR - 4 substrate (flexural strength \u2265150MPa, while FR - 4 is about 100MPa), with strong vibration and impact resistance, suitable for automotive electronics (such as automotive ambient lights, reverse - radar modules) and industrial control (such as sensor modules) scenarios with vibration requirements. At the same time, the single - layer aluminum base PCB has a wide temperature - resistance range (-55\u2103 - 125\u2103, and some high - end products can reach 150\u2103) and a low water absorption rate (\u22640.1%). It is less likely to delaminate or crack in outdoor lighting and high - temperature industrial environments, with significantly higher reliability than traditional FR - 4 substrates.<\/div><h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">III. Typical Application Fields of Single - Layer Aluminum Base PCB<\/h3><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The application scenarios of single - layer aluminum base PCBs are concentrated in fields with \"medium - and low - power, high - heat - generation, and cost - sensitivity\". The core scenarios include:<\/div><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(1) LED Lighting Field: The Absolute Main Application<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">This is the most core market for single - layer aluminum base PCBs, accounting for over 70% of its total usage, specifically including:<\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><ul class=\"auto-hide-last-sibling-br\"><li><strong>Linear Lighting<\/strong>: LED tubes, light strips (using 1.0 - 1.6mm thick aluminum base material, suitable for long - strip - shaped heat - dissipation. The solder - mask layer is mostly white oil to improve light efficiency).<\/li><li><strong>Surface - light - source Lighting<\/strong>: LED panel lights, ceiling lights (using 2.0 - 3.0mm thick aluminum base material for large - area uniform heat - dissipation to prevent overheating in the middle area of the panel light).<\/li><li><strong>Low - power Lighting<\/strong>: LED bulbs, spotlights (using 0.8 - 1.2mm thin aluminum base material, balancing heat - dissipation and lightweight, reducing the weight of the lamp).<\/li><\/ul><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(2) Power and Drive Field: Miniature Power Modules<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">Suitable for small - power supplies with an output power \u226410W, such as:<\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><ul class=\"auto-hide-last-sibling-br\"><li><strong>Switching Power Supplies<\/strong>: Mobile - phone chargers, router power supplies (the single - layer aluminum base PCB can quickly dissipate the heat of the power chip, preventing overload protection caused by chip overheating).<\/li><li><strong>LED Drive Power Supplies<\/strong>: Integrated with LED lamp beads on the same aluminum base PCB (\"lamp - drive - integrated\" design), simplifying the lamp structure and reducing costs.<\/li><\/ul><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(3) Automotive Electronics Field: Auxiliary Electronic Modules<\/h4><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">The \"low - power, non - core\" modules in automotive electronics, such as:<\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><ul class=\"auto-hide-last-sibling-br\"><li><strong>Automotive Lighting<\/strong>: Ambient lights, dashboard backlights, reading lights (the aluminum base PCB is vibration - resistant, suitable for the bumpy environment during vehicle driving).<\/li><li><strong>Sensor Modules<\/strong>: Reverse - radar sensors, temperature sensors (wide temperature - resistance range, adapting to the temperature fluctuations in the engine compartment and vehicle cabin).<\/li><\/ul><h4 class=\"header-vfC6AV auto-hide-last-sibling-br\">(4) Industrial and Consumer Electronics: Specific High - heat - generating Components<\/h4><ul class=\"auto-hide-last-sibling-br\"><li><strong>Industrial Sensors<\/strong>: Signal - amplification modules of temperature and pressure sensors (the heat - dissipation of the aluminum base PCB can ensure the stable measurement accuracy of sensors).<\/li><li><strong>Consumer Electronics<\/strong>: Control and display modules of small home appliances (such as coffee - machine indicator lights, air - purifier indicator lights) (low - cost and suitable for mass production).<\/li><\/ul><h3 class=\"header-vfC6AV auto-hide-last-sibling-br\">IV. Key Selection Parameters of Single - Layer Aluminum Base PCB<\/h3><div class=\"auto-hide-last-sibling-br paragraph-JOTKXA paragraph-element br-paragraph-space\">When choosing a single - layer aluminum base PCB, the following parameters should be paid attention to ensure it meets the actual application requirements:<\/div><div class=\"container-utlnW2 md-box-line-break wrapper-d0Cc1k undefined\">\u00a0<\/div><ul class=\"auto-hide-last-sibling-br\"><li><strong>Aluminum Base Material Model and Thickness<\/strong>: For medium - and low - power applications with an emphasis on heat - dissipation, choose 1060 aluminum; for applications requiring mechanical strength, choose 5052 aluminum. The thickness is selected according to the installation space and heat - dissipation requirements, usually 1.0 - 3.0mm (0.5 - 1.0mm for limited - space scenarios, and 2.0 - 3.0mm for large - area heat - dissipation scenarios).<\/li><li><strong>Thermal Conductivity Coefficient of the Insulating Layer<\/strong>: For LED lighting, choose 0.8 - 1.5W\/m\u00b7K (sufficient and low - cost); for power modules, choose 1.5 - 2.0W\/m\u00b7K (to deal with high - heat - generation chips).<\/li><li><strong>Copper - Foil Thickness<\/strong>: Choose 1oz for small currents (\u22641A), 2oz for medium currents (1 - 3A), and 3oz for large currents (3 - 5A).<\/li><li><strong>Surface Treatment<\/strong>: Choose OSP for regular scenarios (low - cost); choose tin - plating\/silver - plating for humid environments (good corrosion resistance).<\/li><li><strong>Solder - Mask Layer Color<\/strong>: Choose white oil for LED lighting (high reflection); choose black oil for light - shielding scenarios; choose green oil for no special requirements (general purpose).<\/li><\/ul>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e2692d8 elementor-widget elementor-widget-wd_image_or_svg\" data-id=\"e2692d8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"wd_image_or_svg.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\n\t\t<div class=\"wd-image text-left\">\n\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/ulpcb.com\/wp-content\/uploads\/2025\/09\/AL-PCB.webp\" class=\"attachment-full size-full\" alt=\"The single - layer aluminum base PCB is the simplest in structure and the most widely used basic category among aluminum - based PCBs.\" srcset=\"https:\/\/ulpcb.com\/wp-content\/uploads\/2025\/09\/AL-PCB.webp 500w, https:\/\/ulpcb.com\/wp-content\/uploads\/2025\/09\/AL-PCB-300x300.webp 300w, https:\/\/ulpcb.com\/wp-content\/uploads\/2025\/09\/AL-PCB-150x150.webp 150w, https:\/\/ulpcb.com\/wp-content\/uploads\/2025\/09\/AL-PCB-12x12.webp 12w, https:\/\/ulpcb.com\/wp-content\/uploads\/2025\/09\/AL-PCB-45x45.webp 45w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/>\t\t\t\t\t<\/div>\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Home\u9875\u9762 AL PCB Board he single &#8211; layer aluminum base PCB is the simplest in structure and the most widely<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1149","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/pages\/1149","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/comments?post=1149"}],"version-history":[{"count":3,"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/pages\/1149\/revisions"}],"predecessor-version":[{"id":1153,"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/pages\/1149\/revisions\/1153"}],"wp:attachment":[{"href":"https:\/\/ulpcb.com\/fr\/wp-json\/wp\/v2\/media?parent=1149"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}