Thermal Imager PCB Tester Machine

Thermal imager PCB tester machine is the worlds first equipment to use dual-spectral interleaved positioning technology. It is a boon for new generation who want quick maintenance equipment. By the use of intelligent technology thermal imager PCB tester machine can detect the motherboard chip operating temperature through powerful PC-side intelligent analysis software. It works on comparison of normal/abnormal motherboard and then it quickly identify the chip problem. PCB(printed circuit board) tester can greatly improves the efficiency and maintenance accuracy.

The main function of thermal imager PCB tester machine is  validation and functional testing of electronic devices. The tests include logical functions and electrical parameter. Thermal imager PCB tester machine can be valuable for non contact testing of circuit boards in the prototyping phases and designs, but are equally useful in production, soak testing, process monitoring, and quality assurance.

What to Test on Thermal Imager PCB Tester Machine!

Testing the printed circuit boards during the manufacturing of the equipment’s provides a high opportunity to manufacturer in identifying defects and other issues that would affect the final product performance. It will helps the manufacturer in addressing the defect before the final product which make it easier for them. It is an effective strategy that improves the quality while reducing expensive repairs, recalls and material wastage.

The thermal imager PCB tester machine consist of different parts and components. All the component have their own impact on the overall performance of the circuit and the electronic assembly as a whole. It is important to test the everything before manufacturing a machine and these includes_

–Electrical conductivity

-Mechanical strength

– Soldering quality

– Lamination-peel strength

– Quality of whole wall, etc.

PCB Testing Technique: 

Testing the printed circuit boards during the manufacturing of the equipment provides a high opportunity to manufacturer in identifying defects and other issues that would affect the final product performance. It will helps the manufacturer in addressing the defect before the final product which make it easier for them. Generally, testing involves the verification of feature design in case of visual, electrical, structural and functionality. There are various technique to test the design feature before manufacturing. The common method includes:

1. In circuit testing(ICT) 

ICT comprises of in-circuit tester which uses a software that can cover most of the defects that occur during the manufacturing process. Testers can use it to check for shorts, opens, resistance, capacitance, and inductance, in addition to verifying the polarity or orientation for devices such as diodes, transistors, and ICs.

Theoretically, it has potential to detect 99% of PCB faults. PCB can measure very low capacitance and also the inductance value. It will detect simple defect, programming and also it can easily interpret test reports.

2. Automated optical inspection(AOI) 

It uses multiple or one camera to analyze the PCB. It uses a type of software which compare the image from the PCB under test with those from a similar reference board. On other hand you can also compare it with ideal design specification. It also helps to verify the quality of the finished product.

AOI also use the another method rather than tests on the PCB under assembly, it can monitor the manufacturing process which enables the manufacturer to track the processes in real-time, and correct assembly defects such as potential component misalignment and misplacement. AOI method is only useful on PCB where the points to test are optically visible.

3. Automated X-ray inspection(AXI) 

It is a type of non-destructive testing technique which have the ability to detect invisible solder or when using the automatic optical inspection. The best part is that it doesn’t requires the physical touch with the PCB and can find the defects under the large IC packages.

As you know the name of the techniques is X-ray inspection so the method relies on the ability of materials to absorb the x-rays according to their thickness and atomic number. If the material is thick then  the solder absorb more x-ray and are more visible while the thinner material absorbs fewer x-rays it appear more transparent. This method is best for checking the board, its soldering, component orientation, its layer, alignment and other physical feature.

What Are The Different Types of PCBs With Its Advantage?

PCBs are often classified based on frequency, number of layers, and substrate used. Some popular types are discussed below.

• Single sided PCB

Single-sided thermal imager PCB tester machine are the basic type of circuit boards, containing only one layer of substrate or base material. The layer is covered with a thin layer of metal, that is, copper, which is a good conductor of electricity. These PCBs also contain a protective solder mask, which is applied on top of the copper layer along with a silkscreen layer. Some of the advantages that single-sided PCBs offer are:

Single-sided PCBs are used for volume production and are inexpensive.
These PCBs are used for simple circuits like power sensors, relays, sensors, and electronic toys.

• Double sided PCB

Double-sided PCBs have both sides of the substrate with a conductive layer of metal. The holes in the circuit board allow the metal parts to join from one side to the other. These thermal imager PCB tester machine connect the circuits on both sides using either of the two mounting schemes, i.e. through hole technology and surface mount technology. Through hole technology involves inserting lead components through pre-drilled holes in the circuit board, which are soldered to pads on opposite sides. Surface mount technology involves electrical components being placed directly on the surface of circuit boards. The advantages offered by double-sided PCBs are:

Surface mounting allows more circuits to be connected to the board compared to through-hole mounting.
These PCBs are used in a wide range of applications including mobile phone systems, power monitoring, test equipment. These PCBs are used in a wide range of applications, including mobile phone systems, power monitoring, test equipment, amplifiers, and many others.

• Multilayer PCB

Multilayer PCBs are printed circuit boards, comprising more than two layers of copper such as 4L, 6L, 8L, etc. These PCBs extend the technology used in double-sided PCBs. Multiple layers of a substrate board and insulating materials separate the layers on multilayer PCBs. PCBs are compact in size and offer weight and space benefits. Some of the advantages that multilayer printed circuit boards offer are:

Multilayer PCBs offer a high level of design flexibility.
These PCBs play an important role in high speed circuits. They provide more room for conductor pattern and power.

• Rigid PCB

Rigid PCBs refer to those types of PCB whose base material is made from a solid material and cannot be bent. Some outstanding advantages offered by them:
These PCBs are compact, ensuring the creation of a variety of complex circuits around them.
Rigid PCBs offer easy repair and maintenance as all components are clearly marked. Also, the signal routes are well organized.

• Flexible PCB

Flexible PCBs are built on a flexible base material. These PCBs come in single-sided, double-sided, and multilayer formats. This helps reduce complexity within the device assembly. These PCBs help save a lot of space, in addition to reducing the overall weight of the board.

Buying Guides on Thermal Imager PCB Tester Machine

If you are looking for a best PCB machine then it is difficult to find one which can fulfil all your needs and demand because there are varieties of PCB machine in the market and each have their own feature. But here we guide you some feature of a PCB machine so that you can choose the best of them.

Fabrication

Before buying a PCB machine must check its fabrication its comes in verities like Single sided, double-sided boards ,multilayer PCB, etc. which decode the work capacity of a PCBs and also they have their own feature so choose according to your need.

Resistors

PCB machine uses resistors that transmit electric current to produce voltage. If there is a parallel resistor in machine the results are somewhat skewed. And if the resistors are isolated then we get the indicative of the resistor and aren’t compromised by signals from other components. So before buying must check the resistor of the machine.

Size and weight

If you want a PCB machine for a factory purpose then you go with the heavy one because in factory there are heavy load of work on a machine and the work capacity of a machine depends on the size and weight. But if you need this for domestic purpose then you go with the mini PCB machine so that you can travel with it in emergency.

Price

The price of the PCB machine varies according to the brand and the components used inside the machine. Higher the price, high quality of machine. Lower the price, low quality of components. So choose according to your need and at budget friendly cost.

Warranty

If we invest a high amount of money on anything we must want warranty. So before buying must check the warranty of the product given by the manufacturer so that you can get help with the customer service. If you get the warranty on a machine then you can go with the any brand.

Conclusion

Most of the faults are undetected by logical tests.  These faults are easily detected by thermal imager PCB tester machine, not only detect the defect infact locate the defect on PCB. One disadvantage of using this machine is that it take too much time to detect a defect because of the thermal phenomena.

I hope you get the good idea about the PCB machine and must go through the buying guides before purchasing it.