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Customized Pcb Supplier Making Machine China Printing Circuit Pcb Board Manufacture 1

Customized Pcb Supplier Making Machine China Printing Circuit Pcb Board Manufacture 2

Customized Pcb Supplier Making Machine China Printing Circuit Pcb Board Manufacture

Brand Name:

AND

Place of Origin:

China

Payments:

L/C,D/A,D/P,T/T,Western Union,MoneyGram,OA

MOQ:

1000

Lead Time:

1-100(pieces):3(days),>100(pieces):To be negotiated(days)

shipping:

Express · Ocean freight · Land freight · Air freight

Model Number:

TG150 TG170 TG180 high TG pcb

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Min Trace Width

0.075mm(3mil)

Min Space Width

0.075mm (3 mil)

Solder mask Color

Green , Red , Blue , Black , White

Min Laser hole size

0.1mm(4mil)

Layer

1-20

Impedance Control

YES

Hole tolerance

PTH:±0.075mm NPTH: ±0.05mm

Board Thickness Tolerance

±10%

Board Size

FR4

BGA Pitch

0.2 mm (8 mil)

Type

Double Sided PCB

Surface Finishing

HASL

Place of Origin

Guangdong, China

Min. Line Width

0.075mm (3 mil)

Min. Line Spacing

0.075mm (3 mil)

Min. Hole Size

0.15mm(6mil)

Copper Thickness

0.5 OZ--2.0OZ

Board Thickness

0.2 mm-3.8mm (8 mil-150 mil)

Base Material

FR-4 matirial

Quick Detail

supplied by are green, healthy, safe and pollution-free. They are well received by consumers. To manufacture Customized Pcb Supplier Making Machine China Printing Circuit Pcb Board Manufacture, the quality-approved raw materials is used into the production. The quality control is highlighted during production, ensuring the stable quality of the product. People can be assured that the product is guaranteed with high safety and security standards. It can withstand heavy use without the worry of security problems.

Spcification

* PCB Manufacturers including fabrication, assembly and prototyping

* PCB Assemblers and related services

* Manufacturer of laser cut metal stencils and SMD stencils

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* Tools, Soldering and Production equipment, Consumables suppliers, PCB making equipment

* For over 12 years PCB Assembly has been delivering superior quality and on-time delivery to its

customers.

* We will handle your order with the greatest care and responsibility.Give us a try,you will be happy you did!

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Printed Circuit Boards Assembly (PCBA) Process

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Step 1: Solder Paste Stenciling

The first step of PCB assembly is applying a solder paste to the board. This process is like screen-printing a shirt, except instead of a mask, a thin, stainless-steel stencil is placed over the PCB. This allows assemblers to apply solder paste only to certain parts of the would-be PCB. These parts are where components will sit in the finished PCB.

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Step 2: Pick and Place

After applying the solder paste to the PCB board, the PCBA process moves on to the pick and place machine, a robotic device places surface mount components, or SMDs, on a prepared PCB. SMDs account for most non-connector components on PCBs today. These SMDs are then soldered on to the surface of the board in the next step of PCBA process.

Traditionally, this was a manual process done with a pair of tweezers, in which assemblers had to pick and place components by hand. These days, thankfully, this step is an automated process among PCB manufacturers. This shift occurred largely because machines tend to be more accurate and more consistent than humans. While humans can work quickly, fatigue and eyestrain tends to set in after a few hours working with such small components. Machines work around the clock without such fatigue.

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Step 3: Reflow Soldering

Once the solder paste and surface mount components are all in place, they need to remain there. This means the solder paste needs to solidify, adhering components to the board. PCB assembly accomplishes this through a process called "reflow".

After the pick and place process concludes, the PCB board is transferred to a conveyor belt. This conveyor belt moves through a large reflow oven, which is somewhat like a commercial pizza oven. This oven consists of a series of heaters which gradually heat the board to temperatures around 250 degrees Celsius, or 480 degrees Fahrenheit. This is hot enough to melt the solder in the solder paste.

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Step 4: Inspection and Quality Control

Once the surface mount components are soldered in place after the reflow process, which doesn't stand for completion of PCBA and the assembled board needs to be tested for functionality. Often, movement during the reflow process will result in poor connection quality or a complete lack of a connection. Shorts are also a common side effect of this movement, as misplaced components can sometimes connect portions of the circuit that should not connect.

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Step 5: Through-Hole Component Insertion

Depending on the type of board under PCBA, the board may include a variety of components beyond the usual SMDs. These include plated through-hole components, or PTH components.

Step 6: Final Inspection and Functional Test

After the soldering step of the PCBA process is finished, a final inspection will test the PCB for its functionality. This inspection is known as a "functional test". The test puts the PCB through its paces, simulating the normal circumstances in which the PCB will operate. Power and simulated signals run through the PCB in this test while testers monitor the PCB's electrical characteristics.

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our service

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service guide

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Company Advantages

Located in is a company that mainly produces in industry. Our company operates our business based on integrity management and cooperation. We seek survival by quality and develop with innovation. Moreover, we obtain customers' trust with sincere service, so as to achieve cooperation and win-win with a common value. has a group of quality professionals, which provides strong support for corporate development. We understand the actual situation of the market, and then combine the needs of customers. In this way, we develop the most suitable solutions for customers and effectively meet their needs.
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