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If you are a heavy prototyper or working on a multi-board project, you might be leaving money on the table. Most people think one stencil equals one PCB design—but if your boards are not too big, why pay for three stencils when you only need one? At JLCPCB, we want to help you optimize your workflow and keep your costs down. One of our most useful features is the ability to combine multiple different PCBs onto a single stencil frame. How to set it up: Find the Option: On the stencil order page, look for the "Multiple PCBs on one stencil" option. Select "Yes": This alerts our engineers that you are panelizing different designs together. The "Secret Sauce": Don't forget to add a stencil remark. Describe your panelization or specific placement requirements so our team can ensure the apertures align perfectly with your various boards. 🚀 Ready to Optimize Your Next Build? At JLCPCB, we support your custom designs with flexible manufacturing options that make your assembly faster, cheaper, and more precise. 🎁 Click to Claim Your $11 Stencil Coupon Here! Experience the premium PCB stencil now! ✨ New to JLCPCB? Sign up today to unlock your $123 New User Coupon Bundle!
Pro-Tip: How to Save Space & Money by Combining Multiple Designs on One Stencil 💡📦
SMT Stencil
We've all been there: you spend weeks perfecting a PCB layout, only to have the entire project sidelined by a bridge or a dry joint during reflow. Most of the time, the problem isn't your oven or your paste - it's the stencil. If you're tired of "good enough" results and want professional-grade assembly without the professional-grade price tag, here is how JLCPCB Stencils are designed to help you succeed: Precision That Actually Matters We don't just "cut holes". We use over 30 high-precision laser cutting machines to ensure every aperture is burr-free and razor-sharp. The Material: We use premium 304 HTA stainless steel. The Accuracy: We maintain tolerances as tight as ±0.003mm. This level of precision is the difference between a clean solder "brick" and a messy smear that leads to shorts. Pro Upgrades: Need even better release? Our electropolishing and nano-coating options significantly improve paste transfer efficiency and reduce bridging on fine-pitch components. Speed That Keeps Up with Your Ideas In the world of prototyping, time is your most valuable resource. 12-Hour Production: Our fully automated lines can have your stencil ready in as little as 12 hours. 24-Hour Shipping: Most orders are out the door within a day of confirmation. Unbeatable Value: Professional precision starts at just $3 (100 × 100mm). You get tier-1 manufacturing quality on a maker's budget. Your Design, Fully Supported Every project is unique, so we don't limit your options. Whether you need a framed stencil for a production line or a frameless one for your bench, we've got you covered. Advanced Options: From custom outlines and thicknesses to step stencils and ultrasonic-resistant adhesives, we support the complex modifications you need to turn your vision into a physical reality. 🚀 Upgrade Your Next Build for Less At JLCPCB, were committed to helping you build faster and better. Don't let a low-quality stencil be the bottleneck of your next great invention. 🎁 Click to Claim Your $11 Stencil Coupon Here! Experience the premium PCB stencil now! ✨ New User Bonus: Register today to unlock a $123 Welcome Coupon Bundle!
Stop Fighting Your Solder Paste: The Secret to a Perfect First-Pass Yield 🛠️✨
SMT Stencil
Limited Time Offer: Claim Your $11 PCB Stencil Coupon & Level Up Your Assembly with JLCPCB! ⚡
SMT Stencil
Stencil Design & Ordering: What are your biggest hurdles? Let’s solve them together! 🛠️
SMT Stencil
Show & Tell: What are you building with your JLCPCB Stencils? 🛠️📸
SMT Stencil
A high-precision PCB stencil is an investment in a frustration-free assembly. But even the best electropolished stencil will fail if it's warped or clogged with dried-up paste. If you want to extend your stencil's lifespan and guarantee consistent, professional-grade printing every time you hit the bench, maintenance is non-negotiable. Here are the industry-standard practices to keep your stencils in "day-one" condition: Never Let Paste Sit 🧼 Don't allow solder paste to accumulate. Clean your stencils immediately after each use. Dried paste in the apertures—especially for fine-pitch components—is incredibly difficult to remove and is the #1 cause of "clogged" apertures during your next build. Use the Right Solvents 🧪 Always use specified cleaning solvents (like IPA or dedicated stencil cleaners). Avoid harsh, non-approved chemicals that can degrade the surface tension of the metal or damage specialized nano-coatings. Using the correct cleaning solution protects the aperture integrity. Store it Flat or Suffer the Warp 📏 Metal has a memory. Always lay your stencils flat when not in use. Storing them upright or leaning them against a wall can lead to subtle warping. A warped stencil won't sit flush against your PCB, leading to "smearing" and messy solder bridges. 🚀 Pro-Level Stencils for Your Next Project At JLCPCB, we support your custom designs with high-precision manufacturing. Whether you need a standard laser-cut stencil or a premium nano-coated finish, we bring your designs to life so your assembly is faster and better. 🎁 Click to Claim your $11 Stencil Coupon Now! ✨ New to JLCPCB? Register now to unlock your $123 New User Bundle! 💬Let's talk about how you maintain your gear. Drop your tips in the comments below! 👇
Are You Accidentally Ruining Your Stencils? 🛠️ 3 Essential Rules for Cleaning & Maintenance
SMT Stencil
The difference between a "good" stencil and a "perfect" one often comes down to the manufacturing choices you make before hitting that order button. To ensure your PCB assembly is fast, clean, and defect-free, here are 4 Manufacturing Key Points we recommend focusing on: Stencil Thickness Selection The thickness of the design determines how much solder paste is applied. Focus primarily on the smallest pitch component on the board. Solder paste may adhere to the inner walls of the aperture in a thick stencil because of a phenomenon known as surface tension. A basic rule is that there should ideally be at least five solder particles in the smallest aperture. Stencil Material The type of material used to make the stencil will determine how well it removes solder paste from the apertures. Even though stainless steel is typically utilized, PCB designs that use fine pitch components can employ nickel, which is around 50% more expensive than stainless steel. The first generation of stencils were made by chemical etching, which was effective for larger apertures but became increasingly challenging to remove solder from as component sizes decreased. This resulted in the creation of laser-cut stencils, which enhanced paste release by producing a much finer, trapezoidal-shaped aperture. As component sizes shrank, the potential for electropolishing the aperture walls and, later, the method of electro-forming the stencil were developed. Apply Nano-Coating for Improved Paste Release Hydrophobic coatings are used in contemporary nano-coated stencils to lessen solder paste adhesion to the aperture walls. This is essentially a straightforward procedure used to apply a layer of nanomaterial on a plain stencil. What is this layer going to do? It increases solder paste release, prolongs stencil life, and lowers cleaning frequency. Consider Step Stencils for Mixed Assemblies This is further divided into two parts: Step-up stencils: Thicker regions for larger components. Step-down stencils: Thinner regions for fine-pitch components. It is used with boards having 0201 passive components and large connectors. We have covered a full detailed article on this topic, see from here. 🔥 Custom Precision, Powered by JLCPCB At JLCPCB, we support full customization to turn your design into reality. Our high-precision manufacturing ensures your PCB assembly is completed faster, better, and with pro-grade results. 🎁 Claim your $10 Stencil Coupon, and get your customized PCB Stencils here! 🚀 First user? Sign up to unlock your $123 Welcome Bundle.
From the Factory Floor: 4 Critical Stencil Manufacturing Tips to Save Your SMT Assembly 🛠️
SMT Stencil
Ever wonder why your solder paste release is inconsistent, even with a perfect design? The culprit isn't usually your paste or your iron - it's the microscopic texture of your stencil's aperture walls. If you're working with fine-pitch components (0402s, BGAs, or QFNs), here is why Electropolishing is the "secret sauce" for a successful build. Why Electropolishing? The Science of "Smooth" ✨ Most stencils are laser-cut. While incredibly precise, the laser leaves behind microscopic "slag" and jagged burrs on the walls of the holes. These tiny imperfections act like "teeth" that grab onto the solder paste, causing it to clog rather than transfer to your PCB. Electropolishing is a chemical-electrical bath that strips away a microscopic layer of the stainless steel. It rounds off those peaks and burrs, leaving the aperture walls mirror-smooth so the paste slides out effortlessly. Electropolishing vs. Other Finishing Methods 🔍 🚀 Level Up Your Assembly Game with JLCPCB At JLCPCB, we offer high-precision laser cutting with professional Electropolishing and Nano-coating options to ensure your PCB assembly achieves professional-grade results. Stop fighting the paste. Start stenciling like a pro. 🎁 Click to claim your $11 Stencil Coupon, and get your Electropolished Stencils here! ✨ First time at JLCPCB? Register now to unlock a $123 New User Coupon Bundle!
Is Your Solder Paste Sticking? The Secret is in the Stencil Walls!
SMT Stencil
If you're still hand-soldering SMD components pad-by-pad, you're playing life on "Hard Mode". Switching to a PCB Stencil and solder paste is the single biggest upgrade you can make for your workflow—but not all stencils are created equal. Depending on your pitch size and budget, the manufacturing process matters. Here's the breakdown: Chemical Etched Stencils (The "Old School" Choice) These are made by using a chemical etchant to eat through the metal. The Catch: The etching solution doesn't just go down; it goes sideways. This creates "undercutting," resulting in a slightly trapezoidal opening. Best for: Large components and hobbyist projects where ultra-precision isn't a dealbreaker. Laser-Cut Stencils (The Industry Standard) This is the "sweet spot" for 99% of us. A CNC laser cuts the apertures with incredible accuracy. The Perk: The laser naturally creates a slight inward taper. This actually helps the solder paste release cleanly from the stencil onto your board. Best for: Most modern SMD designs, including QFNs and 0402s. Electroformed Stencils (The Pro Tier) These aren't "cut"—they are "grown" atom-by-atom through nickel plating. The Perk: The walls are atom-level smooth. If you are dealing with ultra-fine pitch BGAs or 0201 components, this is the only way to ensure 100% consistent paste release. Best for: High-density, professional-grade production. 🚀 Level Up Your Assembly Ready to ditch the soldering iron and start stenciling? We've got you covered at JLCPCB. 🎁 Click to claim an $11 Stencil Coupon now! ✨ New to JLCPCB? Register now and grab a $123 New User Coupon Bundle to kickstart your next project.
Laser-Cut vs. Etched vs. Electroformed: Choosing the Right PCB Stencil 🛠️
SMT Stencil
Buying a stencil seems simple, but the wrong specs can ruin your first-pass yield. To get a perfect solder finish every time, you need to master these three factors: 1. Thickness: The Volume Controller The thickness determines exactly how much paste is deposited onto your pads. The Rule: High-density boards with fine-pitch BGAs/QFNs (0.5mm pitch) require thinner stencils to avoid bridging. For larger components, go thicker for better joint strength. Pro-Tip: If your board has mixed densities, you can adjust the "Solder Paste" layer in your CAD software (1:1 for general pitch, -10% for fine-pitch) to optimize paste volume without the high cost of localized thinning. 2. Material: Why Stainless Steel Wins While copper is an option, Stainless Steel is the industry favorite for a reason. Durability: It offers higher hardness and a much longer service life. Precision: It's the best material for clean, burr-free laser cutting, ensuring the paste releases smoothly every single time. 3. Size: Framed vs. Frameless Your stencil size is about more than just your PCB dimensions—it’s about your workflow. Framed Stencils: Best for automated lines. Ensure the stencil outline matches your printer's mounting requirements. Custom Frameless Stencils: Perfect for prototypes! If your board is under 10x10cm, don't waste money on a massive framed sheet. Below this text you can find commonly used specifications and sizes at JLCPCB about framed stencil: 🚀 JLCPCB Advantage: We support customized sizes for frameless stencils starting at only $3! They are lightweight, easy to store, and can even ship with your PCBs to save on freight. Quality assembly starts with the right stencil. 💰 Precision laser-cut stencils starting at $3! 🎁 Claim your $11 Coupon & $123 New User Rewards!
SMT Stencil 101: How to Pick the Perfect SMT Stencil for Your PCB 🛠️
SMT Stencil
Solder 64 LEDs in Seconds? The "Cheat Code" for High-Density SMD Projects. 🚀
SMT Stencil
If you're tired of mysterious solder bridges and "ghost" shorts on your fine-pitch BGAs, the problem might not be your oven—it's your stencil. As the visual proof shows, JLCPCB Nano-coated Stencils provide the "unfair advantage" your assembly line needs: Perfect Paste Definition: Say goodbye to non-uniform clumps. Our nano-tech ensures every deposit is a perfect "brick" with sharp, crisp edges. Superior Transfer Efficiency: The specialized coating forces the solder paste onto the pad, not stuck inside the apertures, ensuring consistent volume even on tiny pads. Long-Lasting Precision: While standard stencils lose accuracy after just 5 prints, the Nano-coated surface maintains peak performance for 30+ prints without a sweat. 🎁 Claim your FREE Nano-coated Stencil coupon and see the precision for yourself #JLCPCB#SMT #PCBAssembly#ElectronicsEngineering #PCBA#PrecisionManufacturing
Why Your SMT Yield Isn’t 100% And How JLCPCB Nano-Coated Stencils Fix It!🎯
SMT Stencil
If you've ever spent hours troubleshooting a shorted BGA or constantly wiping down your stencil during a production run, you know the struggle. Standard stencils are great for most jobs, but when you start working with 0201s, QFNs, or fine-pitch components, the margin for error shrinks fast. Thats where JLCPCB Nano-Coated Stencils come in. What exactly is Nano-Coating? Think of it like a high-tech "non-stick pan" for your solder paste. We apply a specialized hydrophobic and oleophobic coating to the surface and inside the apertures. This microscopic layer repels flux and paste, ensuring it goes onto your pads—not stuck to your stencil. The Practical Benefits Crisper Paste Release: The coating significantly reduces friction. You get sharper brick-like deposits and much better transfer efficiency on tiny apertures. 75% Less Cleaning: Because the underside stays cleaner for longer, you don't have to pause every 3-5 prints to wipe it down. This saves time and reduces the risk of smearing. Higher First-Pass Yield: Cleaner prints mean fewer bridges, fewer solder balls, and way less time spent on rework. Regular stencils are still our bread and butter, but if your design is high-density or you just want a smoother assembly experience, the Nano-coated version is a massive quality-of-life upgrade. Try Nano-Coating at JLCPCB We're currently offering FREE trial coupons for our Nano-coated stencils. Grab your coupon and level up your assembly here! Happy soldering!
Tired of Solder Bridging? Why Nano-Coating is a Game-Changer for Your Next SMT Project
SMT Stencil