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Newbies, please read before posting! Welcome to JLCHUB Community! Welcome to JLCHUB — an engineer-driven community specializing in electronics/mechanical manufacturing, embedded systems, automation, and innovative hardware technologies. Here you can: 🔧 Get expert solutions to complex engineering challenges 🚀 Gain visibility for your innovative projects 💡 Stay updated on industry trends and technologies 🤝 Connect with industry professionals and JLC engineers 📌 The following content is the New User Essential Guide. （Please spend a few minutes reviewing it—it will help you use the community more smoothly.） Navigation Menu (Anchor Links Available) Jump to your desired section: JLCHUB Posting Guidelines JLCHUB Community Module Guide JLCHUB Q&A User Guide User Points & Growth System Welcome Newbies!🎉 Calling all engineers, students, developers, and makers! Whatever your specialty: 🛠️ PCB/PCBA Design & Manufacturing 🔌 Embedded Systems (MCU/RTOS/Linux) ⚙️ CNC/3D Printing/Machining **📊 Core Engineering **(Control Systems, Thermal, Signal Processing) **🏭 JLC Services **(JLCPCB/JLCCNC/JLC3DP) You've found your tribe! Connect with fellow tech enthusiasts and industry experts.
JLCHUB Community Navigation
JLCHUB
【What is PCB Etching?】 In short, etching is the chemical or physical process of removing unwanted copper from a substrate to reveal your designed circuit pattern. It’s the "make or break" step in PCB manufacturing. 【Top 3 Etching Techniques Compared】 Wet Etching (The Industry Standard) 🧪 How it works: Uses chemical solutions (Acidic or Alkaline) to dissolve excess copper. Pros: Cost-effective, high speed, perfect for mass production. Cons: Risks "undercutting" (sideways etching), which can limit fine-line precision. Best for: Standard boards and inner layer circuits. Dry / Plasma Etching (The Precision Play) ⚡ How it works: Uses plasma gases in a vacuum to bombard the surface. Pros: Exceptional precision with zero liquid waste; no "undercutting" issues. Cons: Expensive equipment and slower throughput. Best for: High-density interconnect (HDI) boards and ultra-fine designs. Laser Etching (The Clean Alternative) 🎯 How it works: A high-energy laser beam "evaporates" copper directly. Pros: No chemicals needed; highly flexible for rapid prototyping. Cons: Not suitable for large-scale production due to cost and time. 【3 Tips for Engineers to Avoid Failure】 Mind the Undercut: Account for "Etch Factor" in your design to ensure your trace width remains accurate after chemical processing. Surface Preparation: Even a fingerprint can cause etching defects—cleanliness is key! Post-Etch Care: Ensure thorough rinsing and immediate surface finishing (like HASL or ENIG) to prevent copper oxidation. Join the Conversation: When designing high-speed circuits, which factor do you prioritize more: production cost or trace edge precision? Let’s discuss in the comments! #PCBDesign#ElectronicsEngineering #HardwareDesign#JLCPCB #Manufacturing#TechTips #PCB##JLCPCB#
Comparing PCB Etching Techniques
PCB
Most 3D printing projects don’t start as “showpieces.”
SLA (Resin)
MJF vs SLS: Which 3D Printing Process is Right for You? Choosing the right 3D printing process can make all the difference! Here's how JLC's MJF and SLS processes stack up: 🔹 MJF (Multi Jet Fusion) ✅ Minimum engraved details: 0.5 mm deep & 0.5 mm wide for fine, detailed designs. ✅ Built in 3 days – perfect for projects with complex geometries and multi-part production that need to be completed urgently. 🔸 SLS (Selective Laser Sintering) ✅ Minimum engraved details: 0.8 mm deep & 0.8 mm wide, ideal for intricate details and fine finishes. ✅ Also built in 3 days but great for large-scale prints and high-volume production, providing strong, flexible parts with a smooth finish. Which process suits your project best? 🤔 👉Learn more about the differences bewtween the processes 🔗https://jlc3dp.com/blog/sls-vs-mjf
MJF vs SLS: Which 3D Printing Process is Right for You?
SLS (Nylon)
Designing an MJF 3D printed part — stuck between PA12 or PA12S?
MJF (Nylon)
We’ve crafted this transparent gear cover for a maker, allowing a clear view of the fine mechanical structure inside. The result? A sleek and functional design! 💡 Material: Made with JLC3DP’s transparent material, it showcases both the interior and exterior design with impressive clarity. 🔍 Benefit: The transparent finish highlights intricate details, bringing a fresh perspective to mechanical designs. 👨‍💻 It’s not just about looks – this cover also enhances performance, offering an excellent balance of aesthetics and functionality. 👾 Whether for design showcases or custom builds, JLC3DP’s 3D printing technology offers endless creative possibilities! ✨ Interested in customizing parts for your next project? Explore our 3D printing services today! https://jlc3dp.com/
Transparent Gear Cover by JLC3DP – Precision and Clarity in Every Detail!
SLA (Resin)