Are you looking for the best gold finger PCB factories in China to meet your electronic manufacturing needs? With so many options available, it can be overwhelming to choose the right one. In this article, we’ll compare the top gold finger PCB manufacturers in China, highlighting their strengths, specialties, and what sets them apart. Let’s dive in and find the perfect partner for your next project.

China Gold Finger Plating PCB Manufacturer

China Customized Gold Fingers PCB Suppliers, …

Product Details: Gold Fingers PCB, also known as Edge Connector, is used as the outlet of the board to connect to the network. The thickness of Gold fingers can range from 3-50u” due to its superior electrical conductivity, oxidation resistance, and wear resistance. Gold fingers are typically plated with hard gold to enhance wear resistance and are classified into standard, long and short, and segmented types. The process involves chamfering, usually at a 45° angle, and ensuring no copper exposure around the gold fingers.

Pros:
– Superior electrical conductivity
– Good oxidation resistance
– High wear resistance
– Corrosion resistance
– Suitable for frequent insertion and removal or mec…

Cons:
– High cost due to gold plating
– Lead residues can be present if not processed corr…
– Difficult to implement in high-density circuits wi…

Gold fingers

Gold Fingers pcb, Goldfingers Pcb Manufacturer- Uni-Venture

Product Details: Venture Electronics has over 10 years of experience in manufacturing gold finger PCBs. These PCBs utilize the latest materials and technology. Gold fingers are typically used for edge connectors and are plated with electrolytic gold over a nickel substrate to ensure high reliability and durability. The process involves electrolytic nickel and electrolytic gold plating to enhance the surface quality and extend the shelf life of the PCBs.

Pros:
– High reliability and durability due to electrolyti…
– Enhanced surface quality
– Extended shelf life
– Suitable for edge connectors
– Utilizes the latest materials and technology

Cons:
– Higher cost compared to other plating methods
– Requires specialized manufacturing processes

Step Gold finger PCB Manufacturers and Suppliers

Product Details: Step gold finger PCBs are coated with a layer of gold on the copper clad laminate through a special process. Gold is used due to its strong oxidation resistance and high electrical conductivity. The process involves nickel plating followed by gold plating, typically with the addition of cobalt to enhance wear resistance. These PCBs are designed for applications requiring reliable and durable connections, such as in computers, mobile phones, and other electronic devices.

Pros:
– High electrical conductivity and corrosion resista…
– Enhanced wear resistance with the addition of coba…
– Durable and reliable connections suitable for freq…

Cons:
– The process of coating with gold and nickel can be…
– Requires precise manufacturing to ensure the gold…

Guide to PCB Gold Fingers

Leading of Gold Finger PCB Manufacturing in China

Product Details: Gold fingers are gold-plated connectors placed along the edges of printed circuit boards (PCBs), primarily used for connecting secondary PCBs to motherboards. The thickness of the gold plating typically ranges from 3Us to 50Us. Hard gold, also known as electroplated hard gold, is often used due to its strength and durability. The process of assembling gold fingers involves precise steps, including ensuring the plating is smooth and even, and beveling the edges to create a strong interlacing pattern.

Pros:
– High conductivity: Gold is highly conductive, allo…
– Durability: Hard gold protects the fingers from we…
– Precision: Beveling ensures a strong, hand-in-glov…

Cons:
– Complex manufacturing: The process of assembling g…
– Specific placement requirements: Gold fingers must…

Gold Finger PCB

Product Details: Product type: 6 layers gold finger PCB. Board thickness: 1.60±0.15mm. Copper thickness: 2OZ outer layer, 1OZ inner layer. Minimum hole size: 0.50mm. Surface finish: ENIG, HASL, OSP, etc.

Pros:
– High-quality 6-layer PCB construction suitable for…
– Durable with 2OZ copper thickness on the outer lay…
– Versatile surface finish options including ENIG, H…

Cons:
– Specific requirements for board thickness and copp…
– No detailed information on lead time, pricing, or…

PCB Gold fingers(Edge connector)

Product Details: Gold fingers are gold-plated connectors located at the edge of a PCB, serving as connectors between the PCB and the motherboard. They are commonly used in devices like computer memory modules, graphics cards, and network cards. There are three types of gold fingers: regular (flush), segmented (intermittent), and long-short (uneven). The surface of the gold fingers should avoid copper plating, and they must be designed with chamfers, typically at a 45° angle. The minimum distance between gold fingers and the PCB board outline is 0.5mm, and no SMD components, plated holes, or solder pads are allowed within a 1mm range

of the gold fingers.

Pros:
– Provides superior conductivity, surface flatness,…
– Enhances the reliability of physical connections i…
– Available in different types (regular, segmented,…
– Immersion gold offers a cost-effective alternative…

Cons:
– Requires precise design and manufacturing to avoid…
– Needs careful placement to ensure no SMD component…
– Chamfers must be included, and their absence indic…
– Limited to specific applications where edge connec…

4L High TG LCC Gold-finger PCB

Product Details: The 4L High TG LCC Gold-finger PCB is made from high-quality raw materials, including High TG, FR4, and high-frequency materials like Rogers, Teflon, ARLON, and TYCONIC. It features a 4-layer construction, high wiring density, light weight, and thin thickness. The PCB is also known for its good bending properties and is suitable for various applications requiring high reliability and performance.

Pros:
– High wiring density
– Light weight
– Thin thickness
– Good bending properties
– High-quality raw materials
– Suitable for high-frequency applications

Cons:
– No specific cons mentioned in the product details.

Comparison Table

Company	Product Details	Pros	Cons	Website
China Gold Finger Plating PCB Manufacturer				www.viasion.com
China Customized Gold Fingers PCB Suppliers, …	Gold Fingers PCB, also known as Edge Connector, is used as the outlet of the board to connect to the…	– Superior electrical conductivity – Good oxidation resistance – High wear resistance – Corrosion re…	– High cost due to gold plating – Lead residues can be present if not processed corr… – Difficult…	www.ideaspcb.com
Gold fingers				jlcpcb.com
Gold Fingers pcb, Goldfingers Pcb Manufacturer- Uni-Venture	Venture Electronics has over 10 years of experience in manufacturing gold finger PCBs. These PCBs ut…	– High reliability and durability due to electrolyti… – Enhanced surface quality – Extended shelf…	– Higher cost compared to other plating methods – Requires specialized manufacturing processes	www.venture-mfg.com
Step Gold finger PCB Manufacturers and Suppliers	Step gold finger PCBs are coated with a layer of gold on the copper clad laminate through a special…	– High electrical conductivity and corrosion resista… – Enhanced wear resistance with the addition…	– The process of coating with gold and nickel can be… – Requires precise manufacturing to ensure t…	www.hontecmultipcb.com
Guide to PCB Gold Fingers				www.mclpcb.com
Leading of Gold Finger PCB Manufacturing in China	Gold fingers are gold-plated connectors placed along the edges of printed circuit boards (PCBs), pri…	– High conductivity: Gold is highly conductive, allo… – Durability: Hard gold protects the fingers…	– Complex manufacturing: The process of assembling g… – Specific placement requirements: Gold fing…	www.efpcb.com
Gold Finger PCB	Product type: 6 layers gold finger PCB. Board thickness: 1.60±0.15mm. Copper thickness: 2OZ outer la…	– High-quality 6-layer PCB construction suitable for… – Durable with 2OZ copper thickness on the o…	– Specific requirements for board thickness and copp… – No detailed information on lead time, pric…	www.pcbsourcing.com
PCB Gold fingers(Edge connector)	Gold fingers are gold-plated connectors located at the edge of a PCB, serving as connectors between…	– Provides superior conductivity, surface flatness,… – Enhances the reliability of physical connec…	– Requires precise design and manufacturing to avoid… – Needs careful placement to ensure no SMD c…	www.pcbway.com
4L High TG LCC Gold-finger PCB	The 4L High TG LCC Gold-finger PCB is made from high-quality raw materials, including High TG, FR4,…	– High wiring density – Light weight – Thin thickness – Good bending properties – High-quality raw m…	– No specific cons mentioned in the product details.	www.jsdpcb.com

Frequently Asked Questions (FAQs)

What is the purpose of gold fingers on a PCB?

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Gold fingers on a PCB are gold-plated contacts or connectors located on the edge of the board. They are used to establish electrical connections between the PCB and other components, such as a motherboard or another PCB. These gold-plated areas ensure high conductivity, resist corrosion and abrasion, and maintain signal quality over thousands of insertion cycles[2][5].

What are the common types of gold plating processes used for PCB gold fingers?

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There are two main types of gold plating processes: Electroplated Nickel Gold and Immersion Gold. Electroplated Nickel Gold is used for applications requiring high wear resistance and frequent insertion/removal, while Immersion Gold is preferred for high-precision PCBs with better conductivity and solderability. The choice depends on the specific needs of your PCB, such as the required thickness and durability[1][4].

Why is it challenging for some PCB factories to produce gold finger PCBs?

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Producing gold finger PCBs can be challenging due to the use of highly toxic gold salts like potassium cyanide, which only a few factories are qualified to handle. Additionally, the hard gold plating process generates chemical wastewater, and factories must have a sewage treatment license to comply with environmental regulations. These requirements limit the number of factories capable of producing high-quality gold finger PCBs[3].

What design specifications should you follow for gold fingers on a PCB?

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When designing gold fingers, ensure they are placed outward from the center of the PCB and at least 1.0mm away from the PCB outline. There should be no plated through holes (PTH) within 1.0mm of the gold fingers, and no solder mask or screen printing near them. The gold fingers should be chamfered, typically at a 45° angle, and all layers inside the gold finger area should have copper cutting[1].

How do you ensure the quality and reliability of gold finger PCBs?

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To ensure the quality and reliability of gold finger PCBs, it is crucial to follow strict manufacturing and inspection processes. This includes meticulous cleaning and surface preparation, precise gold plating, and thorough quality control checks. Manufacturers should also adhere to IPC standards and perform visual, X-ray, and electrical testing to validate the quality of the gold fingers. Regular maintenance and proper handling techniques are also essential to prevent damage and maintain performance[1][5].