Guides on PCB board Copying

How to copy a PCB board? It seems quite difficulty, but here, you will get the answer.
Actually, copying a printed Circuit Board is not so trouble and will reduce your price on buying a new pcb.

1. Get a piece of PCB, record all the strength of the model, parameters, and location, especially the diode, the direction of the three machine, IC gap directionon the paper. It is best to use a digital camera to take pictures of the components location.

2.Remove all the deviceand the tin in PAD hole.Usealcohol to clean thePCB, put it into the scanner, start POHTOSHOP, screen printing surface in the mode of color and print out the spare.

3. Use water-proof abrasive paper to slightly polishTOP LAYER and BOTTOMLAYER until the copper film starts shining, put it into the scanner, start PHOTOSHOP,color scanning the 2 layers respectively . Note that the position of them in the scanner must be horizontal or straight trees, otherwise, the scanning pictures will be useless.

4. Adjust contrast ratio, brightness of the canvas so that there will be strong comparison of the parts with copper file and part without copper film.Then convert this figure into black and white, check if the line is clear or not. If not clear, repeat this step. If clear, save it with the format of black and white BMP, TOP.BMP and BOT.BMP.

5. Transferthe two BMP format files into PROTEL format respectively and input the two layers to PROTEL. If the pad and via position of the two layers can be coincided, it shows that the first few steps were well done.If there is a deviation, then the third step should be repeated.

6.Transfer TOP.BMP into TOP.PCB. Note that it should be transferred to the SILK layer, also the yellow layer,then you can draw the line in the TOP layer. Then you can put the components based on the drawing in step 2. When finished, delete the silk layer.

7.Import TOP.PCB and BOT.PCB in the PROTEL and combine them into one graph,that will be ok.

8.Print TOP LAYER, BOTTOM LAYER into transparencies (1:1 ratio) respectively by a laser printer. Put the film on thePCB and compare if there is any error. If no, ok, you will be accomplished.

Daily work of a PCB trader

 ShenZhen is a city with high pace. It is just like a program that everyone is doing his own part to make sure the program(city, country) can be functioned normally. Work, off work and work. From a macro perspective, it looks rigid and boring.However, when it comes to an individual, things is much different, every one from different field is leading a colorful and fulfilling life. Here I would like to introduce the daily work of a PCB trader.

What’s the most import for a PCB trader, of course it is the customer. So every detailed job a trader do is closely connected with the customer.

1. Search for customers and send developing email. 

From some business platform such as Alibaba and Global Source, you may get some inquiries PCB Manufacturer. However, that’s far from enough. In sales industry, there is a saying goes that as a International trader, it is your customer from any other platforms except for Alibaba and Global Source that proves your ability. So to increase your performance and show your ability, search for customers and send developing emails is a must. You can search from all kinds of platforms such as google, facebook, linked in, twitter and other websites. Only if you can find customer, any way is acceptable.

  2. Deal with inquiries and send quotation. 

After first step, you will have some inquires, they will ask for exact quotation. For a PCB trader, you must make sure they have gerberfile and inform you the quantity. If they can provide, then things become easy. Send gerberfile to engineer for technical data, share the bom list to purchaser to get a best price for electronic components. After that, you need to calculate the PCB price and combine it with component price, find a suitable time to send the quotation to your customer for PCB prototypes producing. The reason why I emphasis on suitable time is because of time lag from different countries. It will be much more useful if you can send the quotation when they’re on work. After that, what you need to do is to wait for reply and follow up in a timely pace.

      3. Negotiation. 

This is the most challenging job and I like it best. After your quotations, there maybe some customers that interest in your PCB, PCBA, or any others, they will reply you and keep contact with you and negotiate with you to get a best price. Based on my experience, the India like to bargain the most and most European customers would not like to do that. Sometimes you may feel boring and angry when a customer force you to price down, but most of the time you may feel excited and a sense of achievement when you win the fight.

     4. Production. 

When you win the price fight and get an order from your customer, you need to arrange the production and update the progress to your client timely. Besides, you need to confirm every detail with your factory and customer in case of any error. So you must be a careful person and at the same time good at communication. 

     5. Shipping. 

After production finished, you need to ship the PCB or PCBA. If your customer have his own shipping agent, it is easy, what you will do is just deliver the goods to the agent he specified. However if he don’t have shipping agent and account, you need to contact you own shipping agent to ship. Besides, for the goods with total value more than 5000rmb,you need to prepare the customs clearance.

     6. Feedback. 

Once your customers get the PCB, he may do some test to match his end product, if the your PCB can’t pass the test, you need to keep in touch with him and re-manufacture for them when needed. Only in this way can you have a good business relationship with your customer and they may place repeat order for you.

   

A Beginners Guide to Printed Circuit Boards

New to PCB and Want to know what is pcb, and how is pcb can do for you. Well, this is the guide for you. Printed Circuit Boards (PCBs) are integral in our highly digitized world. They connect different electronic components in a device. A PCB consists of a substrate, electronic components, and copper traces. The base of the PCB itself is non-conductive but copper lines are etched on this base so as to electrically connect the different components. PCBs ensure precision and high-speed connectivity while being rugged in nature.Types of Printed Circuit Boards:





There are three kinds of PCB as below:

1. Single Sided Board: This kind of PCB, as the name suggests, has a single substrate. The electronic components are mounted on one side and the copper traces are etched on the other. The simplest of its kind, single-sided PCBs are used when the circuitry is simple and the budget is low.

2. Double Sided Board: Like the single-sided board, this PCB consists of a single substrate. The difference lies in the electronic components and copper traces, which are mounted and etched on both sides of the board. Thus, the number of components and conductor lines are much higher in a double sided board than in single-sided boards. This type of PCB uses through-hole and surface-mount construction to assemble the different components.

3. Multi-Layered Board: This PCB type consists of several circuit boards connected together. The copper traces connect the different layers by means of small plated-through holes called vias. Multi-layered PCBs are always connected in even numbers. When additional circuits are connected, heat becomes a problem. This brought up the need to insulate the layers. Thus, an insulating material is placed between two layers. This PCB type is used in extremely complex applications that demand high-density connections such as computers, cars, mobile phones and military equipment among others.

A thorough understanding of the various types of PCBs will help the user match the right type of circuit board with his application. The complexity of the circuit would determine the usage of the correct PCB.

About China Printed Circuit Board Manutacturer - Wonderfulpcb

Wonderfulpcb Specialized in PCB prototyping and production for years, we have complete manufacturing facilities and testing equipments(such as flying probe tester, automatic optical inspection machine, etc), allowing us to offer fast turn-around, low-cost and high quality printed circuit boards to our customers.

Shenzhen Wonderful Technology Co.,Ltd was founded in 1996, Located in Shenzhen Guangdong Province, China. In 2002, it was founded in HongKong, named WONDERFUL PCB (HK) LIMITED. It has already owned three production bases. We specialize in manufacturing and selling high-precision, high-density double-sided PCBs and multilayer PCBs. Our company can manufacture for you with samples, medium volume or mass production with rapid delivery and services.

Our products can be widely applied to a variety of fields, including communication, computers, medical equipments, consumer electronics and automobile industry. With 16 years' efforts and experience, our company provides customer-oriented and sufficient one-stop service. We have won good reputation in PCb field and are considered as reliable and long-term cooperation manufacturer at home and abroad.

We have been certificated by ISO9001:2000, ISO14001:2004 and UL. Our company implements 3TTQC system (Technology system, Training System, Quality System, Customer System) to enable larger manufacturing capacity, qualified and reliable products, on-time delivery, competitive prices and perfect customer service to truly meet customers' demands.



Our company's goal is to be one of leading PCB manufactor suppliers with prominent performance and technology in China.

We have our own PCB line and SMT line in the house, we do not outsource your orders.

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