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How To Open Gerber Files | Ultimate Beginners Guide

Date:

2024-09-21

Author:

Della

Theme:

Gerber File

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How To Open Gerber Files | Ultimate Beginners Guide

Introduction: Why You Need to Understand Gerber Files

If you’re new to electronics, you’ve probably heard the term “Gerber files” when it comes to printed circuit boards (PCBs).

Whether you’re just getting started with PCB design or you’ve received Gerber files from a manufacturer, it’s essential to know how to open and view these files.

Gerber files are the blueprint of your PCB. Without them, it’s almost impossible to manufacture your board correctly. In this guide, I’ll show you how to open Gerber files and give you a good foundation for managing them effectively.

gerber file

What Are Gerber Files?

Gerber files, often with a .gbr or .grb extension, are the standard file format used in PCB design to describe the layers of your printed circuit board.
 
They tell the manufacturer how to make each layer of your PCB, including copper traces, solder masks, and silkscreens. If you don’t have these files, your PCB design is not finished, and you can’t get your board made.

Why Do You Need Gerber Files Instead of Schematics?

While a schematic is an important part of PCB design, it only shows the electrical connections in your circuit. Gerber files, on the other hand, give the manufacturer detailed instructions on how to make each layer of your PCB.
 
They make sure that every part of your board is made the way it’s supposed to be. If you don’t have Gerber files, the manufacturer won’t know how to turn your schematic into a real PCB.
gerber (1)

How to Open Gerber Files: A Step-by-Step Guide

To open Gerber files, you need special software called a Gerber viewer. These tools let you look at each layer of your PCB design before you send it to the manufacturer. Here are some popular ones and how to use them:
1. ViewMate:
  • Download and Install: ViewMate is a free Gerber viewer that a lot of people use. Go to the official website and download it. Then install it on your computer.
 
  • Open Gerber Files: After you install it, open the software. Click on “File” and then “Open” to load your Gerber files. You can look at each layer by itself and zoom in to see the details.
 
  • Check for Errors: Use ViewMate’s tools to look for problems in your PCB design.
gerber (4)
2. Gerbv:
  • Download and Install: Gerbv is another free option available for Windows, Linux, and Mac OS. It’s open-source and easy to use.
  • Open Gerber Files: Launch Gerbv and open your Gerber files by dragging and dropping them into the interface or using the “File” > “Open” menu.
  • Inspect Layers: With Gerbv, you can turn each layer of your PCB on and off so you can look at it.
3. Altium Designer:
  • Why Use Altium: Altium Designer isn’t free, but it’s a professional tool that has a lot of features for designing PCBs and looking at Gerber files.
  • Opening Files: Open Altium Designer, go to “File” > “Import Wizard” and select your Gerber files.
  • Advanced Features: You can look at your Gerber files with Altium. If you need to, you can even change them. It’s a complete solution for designing PCBs.
4. Online Gerber Viewers:
  • Convenience: If you don’t want to install software, you can use an online Gerber viewer like the one from PCBWay. You can upload your files and look at them right in your web browser.
  • How to Use: Simply upload your Gerber files to the viewer, and it will display your PCB design.
gerber (8)

How to Convert Gerber Files to PDF

You might need to turn your Gerber files into a PDF so you can put them in documentation or send them to someone. Here’s how to do it:
 

1.Online Conversion Tools: Sites like DocHub let you drag your Gerber file onto the page, and it’ll turn it into a PDF for you.

2.Using Software: Some Gerber viewers, like ViewMate, will let you save your Gerber files as a PDF right from the software.

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Understanding Stencil Information and Its Importance

In addition to Gerber files, you might hear about stencil information, especially if you’re working on something with surface-mount technology (SMT).
 
Stencil files are important because they tell you where to put solder paste on your PCB. This makes sure that your parts get soldered on right and work like they’re supposed to.
 
Why Is It Important? If you don’t have the right stencil information, you might put the solder paste in the wrong place.
 
This can make your connections bad or even make your board not work at all. Make sure you include good stencil data with your Gerber files so your board gets made right.

Summary

Being able to open and look at Gerber files is a big deal if you’re working on PCBs.
 
If you know how to use Gerber viewers and you make sure you have good Gerber and stencil files, you’ll be in good shape to handle your PCB projects from beginning to end.
 
If you keep working with PCBs and you get good at these things, your designs will get made right and you’ll be able to get them done faster.
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