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What is circuit board assembly?

Printed circuit board assembly is the process of connecting the electronic components with the wirings of printed circuit boards. Before printed circuits became the common component used in electronics, Point to point construction was used. PCBs can be single sided (one copper layer),double sided (two copper layers) or multi-layer (outer and inner layers). FR-4 glass epoxy is the primary insulating substrate.

What is PCB assembly process?

The assembly of printed circuit boards is a multiple step process that includes surface mount technology (SMT) and through hole technology.

What is PCBA manufacturing?

A circuit board prior to assembly of electronic components is known as PCB.
Once electronic components are soldered, the board is called Printed Circuit Assembly (PCA) or Printed Circuit Board Assembly (PCBA).

Steps & Tools required for PCB Design:

Step 1: Finalize your Circuit Design – Everything starts with the circuit design
Step 2: Choose PCB Design Software

Over Head Projector sheet (OHP sheets) , wax paper, Laser Printer, Electric Iron, Steel wool, Two plastic trays.Copper board/ PCB glass epoxy, FR4, FR10, etc. Black permanent marker. Etching solution (Ferric chloride) & Drill machine.

Types of printed circuit board 

·        Single Sided PCBs.

·        Double Sided PCBs. Multilayer PCBs.

·        Rigid PCBs.

·        Flex PCBs.

·        Rigid-Flex PCBs.


Following are the basic steps of PCB design.

• Set-Up • Imaging • Etching • Drilling • Masking • Silk Screening • Route • Electrical Test 

What is a Single Sided PCB?

Single sided PCBs are a type of circuit boards having components mounted on its one side, whereas the conducting wires are connected at the other side. Only the desired copper traces or pathways are left after etching. The conducting layers are typically made of thin copper foil. Basically, the board is coated with a solder mask that is in green color. Blue and red are some other colors available.

Multiple Layer PCBs

Circuit boards that are composed of various layers are known as multi-layer PCBs. These layers can be either thin etched boards or trace layers. In both cases, they are bonded with lamination. For lamination, the internal layers of the PCB are subjected to under extreme temperature.


Pcb materials comparison

There are many types of dielectrics that can be used to provide different insulating values as per requirements of the circuit. Unwanted copper is removed from the substrate after etching leaving only the desired copper traces or pathways.

FR stands for flame retardant.
FR-2 (phenolic cotton paper),
FR-3 (cotton paper and epoxy),
FR-4 (woven glass and epoxy),
FR-5 (woven glass and epoxy),
FR-6 (matte glass and polyester),
G-10 (woven glass and epoxy),
CEM-1 (cotton paper and epoxy),
CEM-2 (cotton paper and epoxy),
CEM-3 (non-woven glass and epoxy),
CEM-4 (woven glass and epoxy),
CEM-5 (woven glass and polyester).

What is PCA?

PCB populated with electronic components is a printed circuit assembly (PCA).

What are Pads in PCB?

You will solder components to the pads on the PCB.It is Location that components connect to.Pads will connect to traces.Traces are essentially the wiring of the PCB.

What is a silkscreen on a PCB?

Silkscreen, also known as legend, refers to the text-based, human-readable information that printed on the surface of a printed circuit board.

What is “surface mount”?
A way of attaching electronic components to a printed circuit board. Cheaper pcbs with no holes to drill.

Surface Mount vs Through Hole
Through-hole mounting is the process by which component leads are placed into drilled holes on a bare PCB.Once inserted through the designated hole in the PCB, the leads are soldered to pads which are located on the bottom of the board

LED Displays Electronics Manufacturing 

Custom Digital LED Displays


Machine Run Time Stopwatch For Industrial Applications

 Stopwatch LED Display for Sports Applications

Rally Stopwatch Timing Clock


Turn-key electronic pcb assembly

Turnkey PCB Assembly: A New Approach to Electronics Assembly

Turnkey PCB Assembly is cloud-based software and onshore PCB manufacturing, making producing printed circuit boards fast & hassle free.

Turnkey supplier of Electronic Manufacturing Services

PCB Design & PCB Manufacturing For Military, AeroSapce

We are a high reliability turnkey supplier of Electronic Manufacturing Services with a specialization inpcb design, pcb assembly, pcb manufacturing

Turnkey PCB Assembly - DCA Manufacturing

We have the manufacturing and sourcing expertise. Our full turnkey program offers you a fast and reliable way to manufacture your PCB or electronic assembly

Pcb design software online 

EasyEDA - Online PCB design & circuit simulator

EasyEDA is a free and easy to use circuit design, circuit simulator and pcb design that runs in your web browser.

PCBWeb - Free PCB Design Software

Hardware Design Made Easy. PCBWeb is a free CAD application for designing and manufacturing electronics hardware. Download. Windows Desktop.

CircuitMaker: Free PCB Design Software

CircuitMaker is the best free PCB design software by Altium for Open Source Hardware Designers, Hackers, Makers, Students and Hobbyists.

CircuitLab: Online schematic editor & circuit simulator

In-browser simulation and plotting lets you design and analyze faster

Design PCBs online and buy boards.

PCB Design. New PCB Design. Watch introduction video. Design PCBs online and buy boards with free worldwide shipping.

PCB Design Software | Innovation For PCB Design | PCB Tools Altium

The Best PCB Design Software | Altium creates high-powered tools for PCB designers with industry leading schematic capture, layout and prototyping

How to Read & Create Circuit Diagrams

Circuit Diagram - How to Create a Circuit Diagram - SmartDraw

It also allows you to create personal custom libraries of symbols you commonly use. Watch this quicktutorial on creating electrical circuit diagrams.

Skill Set: Reading circuit diagrams | Make: - Make Magazine

Circuit diagrams, aka schematics, are line drawings that show how a circuit'scomponents are connected together. 

Circuit Symbols and Circuit Diagrams - The Physics Classroom

Circuit Drawing Tips - Wilfrid Laurier University Physics Labs

Buy PCB Starter Kits Online India | Robomart

The Best Electronics Starter Kits - Lifehacker

DIY Customized Circuit Board : 12 Steps (with Pictures)

How to Make a Circuit Board: Make PCBs at home! | DIY Hacking

Create a simple circuit with just one battery, one bulb & one wire .

Electronic Project Kits for Schools, Makers and Hobbyists

PCB Manufacturing Process – A Step by Step Guide

The Cheapest PCB manufacturer in China -

Antex  Antex have been involved in the manufacturing of soldering irons for over 70 years.

Top 5 pcb manufacturers in the world


Advanced Circuits: Printed Circuit Board Manufacturer & PCB Assembly


Custom Circuit Boards: #1 PCB Manufacturing & Fabrication Company


Avanti Circuits: PCB Manufacturing & Fabrication | Printed Circuit Boards


Sierra Circuits | Printed Circuit Board (PCB) Manufacturing & Assembly


China PCB Prototype & Fabrication Manufacturer.


Breadboard Manufacturers & Suppliers

Best Breadboard, DIY PCB Breadboard Manufacturer In China


Best Breadboard, DIY PCB Breadboard Manufacturer In China –MOKO



Breadboard Killer

PCB Manufacturing the Easy Way



Breadboard Manufacturers, Suppliers & Exporters in India › Electrical Components



China Breadboard Manufacturers and Supplier




PCB Manufacturing Tutorial

PCB Manufacturing Tutorial - Sunstone Circuits


Making a PCB – PCB Manufacture step by step – Eurocircuits


PCB Manufacturing equipment


For all PCB Production Equipment requirements

Distributor of printed circuit board assembly, soldering and inspection equipment to the UK PCB assembly industry Home

We trade pcb, assembly, cleaning, production and electronic manufacturing equipment. We are specialized in test and inspection, multilayer, laminator


PCB Manufacturing Equipment - wkk distribution ltd.

WKK PCB Division focuses on providing customers with PCB manufacture equipment / material and relative products application service.



PCB Machine Manufacturers


Machines for Printed Circuit Board (PCB) Manufacturing

Machines available from Union Tool for the printed circuit board industry include the PCB roller coatermachines, automated PCB feeder / stacker


PCB Etching Machine / Printed Circuit Board Etching Equipment

Chemcut, the world's leading supplier of PCB etching equipment for advanced electronic interconnect fabrication of printed circuit boards.



Cirqoid is a printed circuit board prototyping machine, aimed at electronics enthusiasts and hobbyists. 


PCB Machine Manufacturers India,Printed Circuit Boards

We are India based manufacturer, supplier and exporter of printed circuit boards (PCBs) and PCBmachines like Scrubbing Machine, Dry Film Laminators






PCB ADS       PCB Manufacturing & Assembly Service Providers List.

PCB Directory of  Turn-key electronic pcb assembly service providers.

Electronics Manufacturing Services Electronics Circuit boards manufacturers, printed circuit boards manufacturers, printed circuit board assembly.

Printed circuit boards manufacturers, Contract Electronics Manufacturing. PCB Assembly. List of Printed circuit board assembly service providers (country wise)

Other Link:  COSYCOM INDIA : LED Clocks Manufacturers

LED Production Counter Displays, Numerical LED displays, Industry LED Displays, Industrial Production Counter Display Board for products count and other applications.


Pcb manufacturers in Australia


Entech Electronics

TCM Electronics Printed Circuit Board Assembly Adeladie

TCM Electronics provide the best value for money contract manufacturing service . TCM Electronics -Printed Circuit Board Assembly Adelaide South Australia.



B.E.C. Manufacturing, Printed Circuit Board Manufacturing Company

Electronics| PCB's | PCB | Manufacture | Manufacturing | Brisbane

Electronic Manufacturing including PCB (Printed Circuit Boards) Medical, Industrial & Mining Solutions here in Brisbane.



Breadboard Killer

Breadboard Killer is a prototype PCB service for hobbyists.


For fast and effective PCB manufacturing, Stencil & Assembly services.

We order PCBs in bulk from Asia's best manufacturers ... We offer our services in all major cities of Australia – Sydney, Melbourne, Brisbane, Perth, Adelaide etc



Electronic Assembly Pty Ltd: Prototyping, SMT, Thru Hole, Rework

Electronic Assembly 



PCB Assembly | Precision Electronic Technologies

PCB Assembly. With our Melbourne assembly plant and offshore partners we are able to provide you with all your assembly needs



Pcb manufacturers in China


China PCB manufacturer, Shenzhen PCB prototype maker.

We are leading PCB manufacturer and fabricator in Shenzhen, China.


Shenzhen KnownPCB Technology Co., Ltd. - china pcb supplier.

Shenzhen KnownPCB Technology Co., Ltd. is a professional electronics OEM and EMS companies to provide electronic solutions well-known enterprises

Pcb manufacturers in Canada


Permatech Electronics: PCBA



PCB Manufacturer | Omni Printed Circuit Boards


Pcb manufacturers in Europe

Eurocircuits – Online PCB Prototype and small series specialist

European Circuits: PCB Assembly & Manufacturers, Scotland, UK


Pcb manufacturers in Germany

Schoeller-Electronics: Technology leader for printed circuit boards

Quality made in Germany PCB manufacture and engineering services



Pcb manufacturers in Hong Kong

Prototype Printed Circuit Board (PCB) Manufacturer |StandardPCB

SPCB is a Hong Kong based PCB manufacturer

Evergreen (HK) PCB Ltd. index

Evergreen (HK) PCB Ltd. is a major PCB manufacturer in Asia to serve in diverse customers base such as electronics appliance, communication, educational 



Pcb manufacturers in India


Ronak Circuits | PCB Manufacturer | Multilayer PCB | Flexible PCB.

Ronak Circuits is one of the best PCB manufacturer in Gujarat.


New Delhi

PCB Manufacturers Delhi,Metal Core PCB,Single Double Side PCB.

Trax Circuit is one of the leading supplier of superior quality Printed Circuit Boards (PCB) which are made in conformity to the international quality standards.



Pcb manufacturers in Japan


Printed Circuit Boards & Assemblies - TOKYO COMPONENTS

Printed Circuit Boards & Assemblies


Pcb manufacturers in Malaysia

Kuala Lumpur

PCB Prototypes

We are a PCB manufacturer that specializes in PCB prototype and low volume PCB. 



Pcb manufacturers in New Zealand


Circuit Labs Ltd - NZ Printed Circuit Board Manufacture - prototype

Circuit Labs is a new boutique manufacturer of printed circuit boards based in Auckland.


Pcb manufacturers in Philippines

Tong Hsing Electronics (Phils.), Inc.


Pcb manufacturers in Russia

Printed Circuit Board Manufacturing: PCB plant Electroconnect ltd

Pcb manufacturers in Romania

About us - Mibatron

Mibatron SRL is a Romanian Company specialized in PCB assembly, offering Automated PCB Assembly, both Surface mount and Through Hole technology.


Pcb manufacturers in Singapore

PCB Assembly Cost Singapore | Low Volume Circuit Production

PCB assembly or circuit assembly cost involve soldering and mounting of electronic components onto the PCB boards.


Pcb manufacturers in Sri Lanka

Lanka PCB

Best Quality PCBS and Assemblies in Sri Lanka


Pcb manufacturer in South Africa


Jemstech – Your Quality PCB Assembler, South Africa



Central Circuits

Central Circuits CC is a manufacturer of printed circuit boards (PCB's) 




Electronic PCB manufacturing services | South Africa

Projects Concern Manufacturing is a contract electronics manufacturer based in Edenvale,Johannesburg, Gauteng.



C-Boards Home

C-Boards is a production outfit geared for the manufacture of same day prototype printed circuit boards (PCB's) for electronics designers and product developers 


Pcb manufacturers in Thailand



Pcb manufacturing in Taiwan

Taiwan PCB Electronics - PCB manufacturer, PCB layout.

We are a leading Taiwan PCB and PCB layout supplier and manufacturer specialized in PCB manufacturing, PCB PCB assembly, PCB layout, and PCB SMD.


Pcb manufacturing in USA

Los angeles

Los Angeles PCB Assembly

Los Angeles PCB Assembly specializes is quick prototype and short-run board assembly jobs.



PCB Assembly, Electronic Design | Milpitas, CA


San diego

San Diego PCB, Inc.


New York

PCB Assemblies, Electronic Design & Circuit Analysis - Rochester, NY

Elmgrove Technologies is a contract electronic manufacturer (CEM) specializing in design, assembly, and repair of printed circuit boards (PCBs)


Pcb manufacturers in UK


SKN Electronics Limited: Surface Mount PCB Assembly Specialists

SKN Electronics Ltd specialise in Surface mount PCB assembly and manufacture, based in a modern facility in Birmingham.



Contract Electronics Manufacturing. PCB Assembly. CEM PCBA EMS.



CEM Contract Electronics Manufacturing UK - Yorkshire | Electroparts

CEM Contract Electronics Manufacturing Yorkshire. SMT THP PCB assembly.


Pcb manufacturers in Vietnam


Thanh Long company is based in Vietnam and is a manufacturer of pcb, pcb assembly and coil transformer throughout the world.


More Links


SMD PCBs & Surface Mount Technology | PCB Train


Advanced PCBA Manufacturing & SMT


OEM - SMT, PCB Manufacturing Companies


odm - SMT Electronics Manufacturing

Photo plotter

Photoplotter - YouTube

Ucamco - Photoplotters

Bungard - Filmstar Raster-Photoplotter - YouTube 

Brushing Machine


PCB Brushing Machine, Hydraulic Scrap Baling Press, Cleaning

Film Developer Machine

Dry Film Photopolymer for Making Circuit Boards - Instructables 


How to make a PCB using a laminator - YouTube

PCB Lamination Process - Printed Circuit Board Lamination - YouTube  

Plating unit

PCB Plating Process - Printed Circuit Board Plating - YouTube 

Exposure system

Exposure Units & Etching Tanks | Etching Kits & Exposure Systems 

Spray Developer Unit

Printed Circuit Boards Spray Developer

Foam Etching Machine

pcb foam etching machine - YouTube

Multilayered PCB

Understanding PCB Manufacturing: Multilayer Assembly

CAD system

PCB Fabrication & CAD Software


Isolation milling a PCB from start to finish - YouTube  

Contour routing

Contour Routing | OrCAD

PCB Contour Routing with the ProtoMat E33 - YouTube

Trace Insulation

How to Quickly Find and Trace PCB Tracks (with Pictures) - Instructables

Ground Plane

Ground plane

Wire wrapping

Wire Wrapping vs. Soldering: How and When to Use Wire Wrapping


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