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Gerber Files Printed Circuit Board PCB Fabrication for Home Appliance
♦ What's Gerber File?
A Gerber file is the standard file format used in the PCB (Printed Circuit Board) industry to describe the physical characteristics of each layer of a PCB design. Think of it as the "blueprint" or "recipe" that PCB manufacturers use to fabricate the actual board.
Here's a more detailed explanation:
Purpose: Gerber files tell the manufacturer precisely where to place copper (traces, pads), where to create solder mask openings, where to apply silkscreen markings (component outlines, text), and where to drill holes. Each layer of the PCB (e.g., top copper, bottom copper, top solder mask, bottom silkscreen, drill holes) is typically represented by a separate Gerber file.
Format: The format is an open ASCII vector format. It essentially describes shapes (like lines, arcs, circles, and polygons) using coordinates and drawing commands. It can also include aperture definitions, which define the shapes and sizes of the drawing tools (like pens or flash pads) used to create the features.
Evolution:
Standard Gerber (RS-274-D): An older version that required a separate aperture file. It's largely obsolete now.
Extended Gerber (RS-274X): The most common format currently. It includes the aperture definitions within the file itself, making it a complete, self-contained description of the layer. This is what most people mean when they say "Gerber file" today.
Gerber X2: A newer version that adds extra metadata to the files, like design attributes (pad types, component information, layer stack-up details). This helps manufacturers automate processing and perform better DFM (Design for Manufacturability) checks.
File Extension: Gerber files typically have extensions like .gbr, .gb, .gbo, .gtl, .txt (for drill files), or sometimes .art. The naming convention often indicates the layer (e.g., .gtl for "Gerber Top Layer", .gbl for "Gerber Bottom Layer", .gto for "Gerber Top Overlay" (silkscreen)).
Importance: Gerber files are the de facto standard for transferring PCB design data to manufacturers. Almost all PCB design software (EDA tools) can generate Gerber files, and all PCB fabrication houses accept them.
♦ Technical Parameters
Item
Specification
Laers
1~64
Board thickness
0.1mm-10.0mm
Material
FR-4,CEM-1/CEM-3,PI,High Tg,Rogers
Max panel size
32"×48"(800mm×1200mm)
Min hole size
0.075mm
Min line width
3mil(0.075mm)
Surface finish
OSP,HASL,Imm Gold/Nickel/Ag, Electric gold
Copper thickness
0.5-15 OZ
Soldermask
Green/Yellow/Black/White/Red/Blue
Silkscreen
Red/Yellow/Black/White
Min PAD
5mil(0.13mm)
Inter package
Vacuum
Outer package
Carton
Outline tolerance
±0.75mm
Hole tolerance
PTH:±0.05 NPTH:±0.025
Certificate
UL,ISO 9001,ISO14001,IATF16949
Special request
Blind hole+Gold finger+ BGA
Material Suppilers
Shengyi, KB, Nanya, ITEQ,etc.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Employee Number:
>800
Ecer Certification:
Verified Supplier
DQS Electronic is located in Shenzhen, focusing on PCB Layout Design, PCB Fabrication, Electronic Components Sourcing, SMT, PCB Assembly and Testing. We are a one-stop EMS electronic manufacturing company committed to providing global customers with rapid prototyping and mass production.
Our produ...
DQS Electronic is located in Shenzhen, focusing on PCB Layout Design, PCB Fabrication, Electronic Components Sourcing, SMT, PCB Assembly and Testing. We are a one-stop EMS electronic manufacturing company committed to providing global customers with rapid prototyping and mass production.
Our produ...